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INTAKE-AIR SYSTEM LOCATION INDEX [MZI-3.5]
Fig. 1: Identifying Intake-Air System Components
INTAKE-AIR SYSTEM DIAGRAM [MZI-3.5]
2007 Mazda CX-9 Grand Touring
2007 Mazda CX-9 Grand Touring
2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9
2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9
2007 ENGINE PERFORMANCE
Intake-Air System (MZI-3.5) - CX-9

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Summary of Contents for Mazda CX-9 Grand Touring 2007

  • Page 1 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 INTAKE-AIR SYSTEM LOCATION INDEX [MZI-3.5] Fig. 1: Identifying Intake-Air System Components...
  • Page 2 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Fig. 2: Intake-Air System Diagram INTAKE-AIR SYSTEM VACUUM HOSE ROUTING DIAGRAM [MZI-3.5]...
  • Page 3 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Fig. 3: Intake-Air System Vacuum Hose Routing Diagram INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.5] WARNING: When the engine and intake-air system are hot, they can badly burn. Turn off the engine and wait until they are cool before removing the intake-air system.
  • Page 4 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 3. Remove the engine cover. (see ENGINE COVER REMOVAL/INSTALLATION [MZI-3.5] .) 4. Remove in the order indicated in the table. 5. Install in the reverse order of removal.
  • Page 5 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Fig. 4: Identifying Intake-Air System Components With Torque Specifications INTAKE MANIFOLD REMOVAL NOTE...
  • Page 6 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 1. Drain the engine coolant. (see ENGINE COOLANT REPLACEMENT [MZI-3.5] .) 2. Disconnect the upper radiator hose. Fig. 5: Identifying Intake Manifold Components 3. Disconnect the lower radiator hose.
  • Page 7 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Fig. 6: Identifying Thermostat Components With Torque Specifications INTAKE MANIFOLD INSTALLATION NOTE 1. Tighten the intake manifold installation bolts in the order shown. Intake manifold installation bolt tightening torque 8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf}...
  • Page 8 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Fig. 8: Identifying Dynamic Chamber Bolt Tightening Sequence AIR CLEANER ELEMENT INSPECTION [MZI-3.5] 1. Remove the air cleaner element. (See INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI- 3.5].) 2. Verify that the air cleaner element surface is free of dirt.
  • Page 9 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Fig. 9: Identifying Throttle Body Connector Terminals CIRCUIT OPEN/SHORT INSPECTION 1. Disconnect the PCM connector. 2. Inspect the following wiring harnesses for open or short (continuity check).
  • Page 10 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Intake-Air System (MZI-3.5) - CX-9 Open circuit If there is no continuity, the circuit is open. Repair or replace the wiring harness. Throttle body terminal A and PCM terminal 2BO Throttle body terminal B and PCM terminal 2BR Short circuit If there is continuity, the circuit is shorted.
  • Page 11 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 CHARGING SYSTEM LOCATION INDEX [MZI-3.5] Fig. 1: Identifying Battery And Generator Location Courtesy of MAZDA MOTORS CORP.
  • Page 12 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 Fig. 2: Identifying Battery Components With Torque Specifications Courtesy of MAZDA MOTORS CORP. BATTERY BOX INSTALLATION NOTE 1. Install the battery box so that the side with the notch points toward the front fender (LH).
  • Page 13 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 ELECTROLYTE SPECIFIC GRAVITY 1. Measure the electrolyte specific gravity using a hydrometer. If it is less than the specification, recharge the battery. (See BATTERY RECHARGING [MZI- 3.5].) Battery electrolyte specific gravity [20 °C {68 °F}] 1.22-1.29...
  • Page 14 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 2. Disconnect the negative battery cable. 3. Connect the tester between the negative battery terminal and negative battery cable, leave the battery undisturbed for 30 min , and then measure the back-up current.
  • Page 15 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 3. Connect a battery charger to the battery and adjust the charging current as follows. Battery slow charge current 80D26L (55): 5.5-6.5 A Battery quick charge current [30 min] 80D26L (55): 35 A 4.
  • Page 16 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 REMOVAL/INSTALLATION [MZI-3.5] .) 4. Remove the cooling fan component. (see FAN MOTOR REMOVAL/INSTALLATION [MZI-3.5] .) 5. Remove the front splash shield (RH). 6. Remove the generator and A/C drive belt. (see DRIVE BELT REMOVAL/INSTALLATION [MZI- 3.5] .)
  • Page 17 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 Fig. 6: Identifying Generator Lower Bolt Courtesy of MAZDA MOTORS CORP. GENERATOR REMOVAL NOTE 1. Remove the generator from above the engine compartment. GENERATOR INSTALLATION NOTE 1. Tighten the upper and lower bolts temporarily.
  • Page 18 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 INSPECTION [MZI-3.5] .) 3. Turn off all electrical loads. 4. Start the engine. 5. Verify that the generator rotates smoothly without any noise while the engine is running.
  • Page 19 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 value. 1. Verify that the battery is fully charged. 2. Verify that the generator and A/C drive belt deflection/tension is correct. (see DRIVE BELT INSPECTION [MZI-3.5] .) 3. Disconnect the negative battery cable.
  • Page 20 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 1.8-2.2 ohm Fig. 8: Measuring Resistance Between Slip Rings Using With Tester Courtesy of MAZDA MOTORS CORP. 2. Verify that there is no continuity between the slip ring and core using a tester.
  • Page 21 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 Fig. 10: Identifying Stator Coil Connector Terminals Courtesy of MAZDA MOTORS CORP. If there is any malfunction, replace the stator. Fig. 11: Terminals Continuity Chart Courtesy of MAZDA MOTORS CORP.
  • Page 22 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 1. Inspect brushes for wear. If any brush is worn almost to or beyond the limit, replace all of the brushes. Generator brush length Standard: 22.5 mm {0.89 in} Minimum: 5.0 mm {0.20 in}...
  • Page 23 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. Rectifier (Using an analog circuit tester) 1. Inspect for continuity of the diodes using an analog circuit tester. If not as specified, replace the rectifier.
  • Page 24 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 1. Inspect for abnormal noise, looseness, and sticking. Replace the bearing if necessary. Fig. 16: Inspecting Bearing For Abnormal Noise, Looseness And Sticking Courtesy of MAZDA MOTORS CORP.
  • Page 25 2007 Mazda CX-9 Grand Touring 2007 ELECTRICAL Charging System (MZI-3.5) - CX-9 Fig. 17: Exploded View Of Generator With Torque Specifications Courtesy of MAZDA MOTORS CORP.
  • Page 26 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 2007 ENGINE Cooling System (MZI-3.5) - CX-9 2007 ENGINE Cooling System (MZI-3.5) - CX-9 COOLING SYSTEM LOCATION INDEX [MZI-3.5]...
  • Page 27 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9...
  • Page 28 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 1: Identifying Cooling System Components Courtesy of MAZDA MOTORS CORP. COOLING SYSTEM SERVICE WARNINGS [MZI 3.5] WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot.
  • Page 29 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 2: Identifying "Fl22" Mark On Cooling System Cap Courtesy of MAZDA MOTORS CORP. 1. Verify that the engine coolant level in the coolant reserve tank is between the F and L marks.
  • Page 30 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 painted surface, rinse it off quickly. NOTE: If the "FL22" mark is shown on or near the cooling system cap, use FL22 type engine coolant. FL22 type engine coolant is shipped as a diluted solution. Use the solution as is when replacing coolant.
  • Page 31 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 ENGINE COOLANT REPLACEMENT [MZI-3.5] WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot.
  • Page 32 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 6: Identifying "Fl22" Mark On Cooling System Cap Courtesy of MAZDA MOTORS CORP. 1. Remove the cooling system cap. Fig. 7: Identifying Cooling System Cap Courtesy of MAZDA MOTORS CORP.
  • Page 33 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 8: Identifying Radiator Drain Plug Courtesy of MAZDA MOTORS CORP. Antifreeze solution mixture percentage (Except FL22 type engine coolant) ENGINE COOLANT PROTECTION CHART Volume percentage (%) Engine coolant protection Gravity at 20 °C {68 °F}...
  • Page 34 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 2. Run the engine at idle for 1 min. 3. Repeat steps (1), (2) approx. 2 times. 4. Operate the heater at the maximum temperature and airflow, and verify that hot air blows from vent.
  • Page 35 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 9: Installing SST To Radiator Cap Tester Courtesy of MAZDA MOTORS CORP. If the gauge needle drops, it may indicate water leakage. Repair or replace the applicable part.
  • Page 36 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 10: Attaching Cooling System Cap To SST Courtesy of MAZDA MOTORS CORP. COOLANT RESERVE TANK REMOVAL/INSTALLATION [MZI-3.5] WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot.
  • Page 37 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 11: Identifying Coolant Reserve Tank And Hose With Torque Specifications Courtesy of MAZDA MOTORS CORP. RADIATOR REMOVAL/INSTALLATION [MZI-3.5] WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot.
  • Page 38 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 12: Identifying Radiator Components Courtesy of MAZDA MOTORS CORP. UPPER MOUNT RUBBER BRACKET REMOVAL NOTE CAUTION: Do not apply force excessively and in the directions that are not specified, otherwise the upper mount rubber bracket could be damaged.
  • Page 39 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 13: Inserting Flathead Screwdriver Into Upper Mount Rubber Bracket Notch Courtesy of MAZDA MOTORS CORP. 2. Apply force in the direction shown by the arrow. Fig. 14: Applying Downward Force Courtesy of MAZDA MOTORS CORP.
  • Page 40 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 1. Disconnect the negative battery cable. 2. Drain the engine coolant. (See ENGINE COOLANT REPLACEMENT [MZI-3.5].) 3. Remove the air cleaner and fresh air duct component. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 41 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Install a new O-ring if necessary. 2. Apply clean engine coolant to the O-ring. 3. Install the O-ring. THERMOSTAT INSPECTION [MZI-3.5] 1. Inspect the thermostat for the following.
  • Page 42 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 1. Drain the engine oil. (see ENGINE OIL REPLACEMENT [MZI-3.5] .) 2. Remove the engine and transaxle component. (see ENGINE REMOVAL/INSTALLATION [MZI- 3.5] .) 3. Secure the engine and transaxle component using a hoist and the SST.
  • Page 43 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. Fig. 18: Identifying Water Pump Components With Torque Specifications Courtesy of MAZDA MOTORS CORP. UPPER TIMING CHAIN GUIDE (RH) REMOVAL NOTE 1. Loosen the upper timing chain guide (RH) bolt A.
  • Page 44 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 20: Identifying Upper Timing Chain Guide Bolt Courtesy of MAZDA MOTORS CORP. WATER PUMP REMOVAL NOTE NOTE: When the water pump is removed, the engine coolant may flow through the cylinder block and penetrate the oil pan.
  • Page 45 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 22: Identifying Water Pump Bolts Tightening Sequence Courtesy of MAZDA MOTORS CORP. FAN MOTOR REMOVAL/INSTALLATION [MZI-3.5] WARNING: Never remove the cooling system cap or loosen the radiator drain plug while the engine is running, or when the engine and radiator are hot.
  • Page 46 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Fig. 23: Identifying Fan Motor Components With Torque Specifications Courtesy of MAZDA MOTORS CORP. ATF OIL COOLER PIPE REMOVAL NOTE...
  • Page 47 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 1. Remove the ATF oil cooler pipe with the hoses still connected. Position the ATF oil cooler pipe so that it is out of the way. COOLING FAN COMPONENT REMOVAL NOTE 1.
  • Page 48 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 1. Connect the M-MDS to the DLC-2. 2. Start and warm up the engine. 3. Monitor the engine coolant temperature with the M-MDS. Fig. 25: Identifying DLC-2 Connector Courtesy of MAZDA MOTORS CORP.
  • Page 49 2007 Mazda CX-9 Grand Touring 2007 ENGINE Cooling System (MZI-3.5) - CX-9 Idling OFF More than 106 °C {223 °F} Dual fan control module DUAL FAN CONTROL MODULE SPECIFICATION Inspection Result Condition Engine coolant temp. IG SW ON or idling OFF Less than 96 °C {205 °F} 0 V (Fan stops.) Idling 96-106 °C {205-223 °F}...
  • Page 50 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ACCESSORIES & BODY, CAB Cruise Control System (MZI-3.5) - CX-9 2007 ACCESSORIES & BODY, CAB Cruise Control System (MZI-3.5) - CX-9 2007 ACCESSORIES & BODY, CAB Cruise Control System (MZI-3.5) - CX-9 CRUISE CONTROL SWITCH INSPECTION [MZI-3.5]...
  • Page 51 2007 Mazda CX-9 Grand Touring 2007 ACCESSORIES & BODY, CAB Cruise Control System (MZI-3.5) - CX-9 Fig. 2: Identifying Cruise Control Switch Connector Terminals...
  • Page 52 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 2007 MAZDA CX-9 2007 MAZDA CX-9 BUZZERS, RELAYS & TIMERS BUZZERS, RELAYS & TIMERS LOCATION Component Location A/C Relay In main fuse block. BACK-UP LIGHT Relay In main fuse block.
  • Page 53 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Component Location Auto Light-Off Control Module Behind left side of dash. See Fig. 27. Auto Light/Wiper Control Module Behind left side of dash. See Fig. 27. AWD Control Module Behind left end of dash. See Fig. 37.
  • Page 54 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Rear Airflow Mode Actuator Under rear of center console. Rear Air Mix Actuator Under rear of center console. Rear Blower Motor Under center console. Rear Washer Motor In washer fluid reservoir. Rear Wiper Motor Center of liftgate.
  • Page 55 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Passenger-Side Side Air Bag Sensor No.1 Near base of right "B" pillar. Passenger-Side Side Air Bag Sensor No. 2 Near base of right "C" pillar. PLG Touch Sensor (Left/Right) At respective side of tailgate.
  • Page 56 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Horn Switch In steering wheel. Key Reminder Switch In steering column. Oil Pressure Switch Lower left front of engine. Parking Brake Switch Top of parking brake assembly. Power Steering Pressure Switch Right front side of engine.
  • Page 57 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Passenger-Side Air Bag Module No.1 Behind right side of dash. Passenger-Side Air Bag Module No.2 Behind right side of dash. Passenger-Side Curtain Air Bag Module Top of right "C" pillar. Passenger-Side Pre-Tensioner Seat Belt Base of right "B"...
  • Page 58 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 C-35 (70 Pin) Right side of engine compartment. See Fig. 10. C-39 (Yellow, 4 Pin) Behind right side of dash. See Fig. 17. C-40 (6 Pin) Under driver's seat. See Fig. 43.
  • Page 59 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 1: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 60 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 2: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 61 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 3: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 62 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 4: Engine Compartment Courtesy of MAZDA MOTORS CORP. Fig. 5: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 63 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 6: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 64 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 7: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 65 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 8: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 66 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 9: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 67 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 10: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 68 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 11: Engine Compartment Courtesy of MAZDA MOTORS CORP.
  • Page 69 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 12: Right Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 70 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 13: Right Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 71 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 14: Dash Courtesy of MAZDA MOTORS CORP. Fig. 15: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 72 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 16: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 73 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 17: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 74 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 18: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 75 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 19: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 76 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 20: Center Console Courtesy of MAZDA MOTORS CORP.
  • Page 77 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 21: Center Console Courtesy of MAZDA MOTORS CORP.
  • Page 78 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 22: Center Console Courtesy of MAZDA MOTORS CORP.
  • Page 79 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 23: Center Console Courtesy of MAZDA MOTORS CORP.
  • Page 80 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 24: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 81 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 25: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 82 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 26: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 83 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 27: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 84 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 28: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 85 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 29: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 86 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 30: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 87 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 31: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 88 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 32: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 89 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 33: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 90 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 34: Right Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 91 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 35: Right Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 92 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 36: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 93 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 37: Dash Courtesy of MAZDA MOTORS CORP.
  • Page 94 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 38: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 95 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 39: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 96 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 40: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 97 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 41: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 98 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 42: Under Driver's Seat Courtesy of MAZDA MOTORS CORP.
  • Page 99 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 43: Under Driver's Seat Courtesy of MAZDA MOTORS CORP.
  • Page 100 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 44: Driver's Seat Courtesy of MAZDA MOTORS CORP.
  • Page 101 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 45: Under Front Passenger's Seat Courtesy of MAZDA MOTORS CORP.
  • Page 102 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 46: Front Passenger's Seat Courtesy of MAZDA MOTORS CORP.
  • Page 103 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 47: Left Kick Panel Courtesy of MAZDA MOTORS CORP.
  • Page 104 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 48: Right Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 105 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 49: Right Rear Door Courtesy of MAZDA MOTORS CORP. Fig. 50: Right Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 106 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 51: Right Rear Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 107 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 52: Right Rear Of Vehicle Courtesy of MAZDA MOTORS CORP. Fig. 53: Roof Courtesy of MAZDA MOTORS CORP.
  • Page 108 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 54: Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 109 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 55: Left Rear Door Courtesy of MAZDA MOTORS CORP. Fig. 56: Right Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 110 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 57: Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 111 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 58: Roof Courtesy of MAZDA MOTORS CORP.
  • Page 112 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 59: Roof Courtesy of MAZDA MOTORS CORP. Fig. 60: Roof Courtesy of MAZDA MOTORS CORP.
  • Page 113 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 61: Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 114 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 62: Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 115 2007 Mazda CX-9 Grand Touring 2007 MAZDA CX-9 Fig. 63: Left Side Of Vehicle Courtesy of MAZDA MOTORS CORP. Fig. 64: Left Rear Of Vehicle Courtesy of MAZDA MOTORS CORP.
  • Page 116 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 EMISSION SYSTEM LOCATION INDEX [MZI-3.5] ENGINE COMPARTMENT SIDE Fig.
  • Page 117 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 EXHAUST SYSTEM SIDE Fig. 2: Identifying Emission System Components (Exhaust System) Courtesy of MAZDA MOTORS CORP. FUEL TANK SIDE Fig. 3: Identifying Emission System Components 2WD (Fuel Tank)
  • Page 118 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 4: Identifying Emission System Components AWD (Fuel Tank) Courtesy of MAZDA MOTORS CORP. EMISSION SYSTEM DIAGRAM [MZI-3.5]...
  • Page 119 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 5: Emission System Diagram Courtesy of MAZDA MOTORS CORP. CHARCOAL CANISTER, CANISTER VENT (CV) SOLENOID VALVE, AIR FILTER COMPONENT REMOVAL/INSTALLATION [MZI-3.5] 1. Disconnect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 120 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 6: Identifying Charcoal Canister, CV Solenoid Valve, And Air Filter With Torque Specifications Courtesy of MAZDA MOTORS CORP. CHARCOAL CANISTER, CANISTER VENT (CV) SOLENOID VALVE, AIR FILTER COMPONENT INSPECTION [MZI-3.5]...
  • Page 121 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 7: Identifying Charcoal Canister Airflow Port Courtesy of MAZDA MOTORS CORP. 5. Connect the battery positive voltage to CV solenoid valve terminal A. 6. Pressurizing from the fuel tank side of the charcoal canister, verify that the CV solenoid valve is open and that there is airflow through the air filter.
  • Page 122 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 9: Identifying CV Solenoid Valve Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 10: Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP. Open circuit If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
  • Page 123 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 LEAKAGE INSPECTION 1. Perform the following SST (Evaporative Emission System Tester 134-01049) self-test: NOTE: If the tester does not work correctly during self-test, refer to the tester operators manual for more detailed procedures.
  • Page 124 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 5. Wait (maximum 20 s ) until the left display reads 13.9 to 14.0 in of water. If the reading is slightly below the specification, adjust it using the regulator knob.
  • Page 125 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 PURGE SOLENOID VALVE INSPECTION [MZI-3.5] AIRFLOW INSPECTION 1. Disconnect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .) 2. Disconnect the quick release connector from the purge solenoid valve. (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [MZI-3.5].)
  • Page 126 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 15: Identifying Purge Solenoid Valve Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 16: Identifying Relay Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 17: Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP.
  • Page 127 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Purge solenoid valve terminal A and main relay No.1 terminal D Purge solenoid valve terminal B and PCM terminal 1BC Short circuit If there is continuity, the circuit is short. Repair or replace the harness.
  • Page 128 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION [MZI-3.5] NOTE: The PCV valve cannot be reassembled once it is removed because the tabs will have been broken. Inspect the PCV valve without removing it from the vehicle.
  • Page 129 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 CIRCUIT OPEN/SHORT INSPECTION 1. Disconnect the PCM connector. 2. Inspect the following wiring harnesses for open or short circuit (continuity check). Fig. 20: Identifying PCV Valve Heater Control Connector Terminals Courtesy of MAZDA MOTORS CORP.
  • Page 130 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 22: Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP. Open circuit If there is no continuity, there is an open circuit. Repair or replace the wiring harness.
  • Page 131 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 POSITIVE CRANKCASE VENTILATION (PCV) VALVE HEATER FITTING INSPECTION [MZI-3.5] RESISTANCE INSPECTION 1. Disconnect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .) 2. Disconnect the PCV valve heater fitting connector.
  • Page 132 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 25: Identifying PCV Valve Heater Fitting Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 26: Identifying Relay Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 27: Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP.
  • Page 133 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 If there is no continuity, there is an open circuit. Repair or replace the wiring harness. PCV valve heater fitting terminal A and main relay No.1 terminal D...
  • Page 134 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 this, always complete the "Fuel Line Safety Procedure", while referring to the "BEFORE SERVICE PRECAUTION". QUICK RELEASE CONNECTOR TYPE CAUTION: There are five types of quick release connectors. Verify the type and location, and install/remove properly.
  • Page 135 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. TYPE B REMOVAL NOTE: If the quick release connector is removed, replace the retainer with a new one. 1. Push the retainer.
  • Page 136 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 31: Disconnecting Type C Fuel Hoset From Fuel Pipe Courtesy of MAZDA MOTORS CORP. TYPE D REMOVAL CAUTION: The quick release connector may be damaged if the release tab is bent excessively.
  • Page 137 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 33: Identifying Fuel Hose And Fuel Pipe Courtesy of MAZDA MOTORS CORP. TYPE E REMOVAL CAUTION: The quick release connector may be damaged if the release tab is bent excessively.
  • Page 138 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 35: Connecting Quick Release Connector Courtesy of MAZDA MOTORS CORP. TYPE B INSTALLATION CAUTION: Be sure to replace the retainer with a new one to prevent gas leakage.
  • Page 139 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 36: Identifying Fuel Hose And Checker Tab Courtesy of MAZDA MOTORS CORP. TYPE C INSTALLATION NOTE: If the quick release connector O-ring is damaged or has slipped, replace the fuel hose.
  • Page 140 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 A checker tab is integrated with the quick release connector for new fuel hoses and evaporative hoses. Remove the checker tab from the quick release connector after the connector is completely engaged with the fuel pipe.
  • Page 141 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Emission System (MZI-3.5) - CX-9 Fig. 39: Inserting Fuel Pipe Straight To End Of Quick Release Connector Courtesy of MAZDA MOTORS CORP.
  • Page 142 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 CONTROL SYSTEM LOCATION INDEX [MZI-3.5]...
  • Page 143 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 1: Identifying Control System Components Courtesy of MAZDA MOTORS CORP. CONTROL SYSTEM DIAGRAM [MZI-3.5]...
  • Page 144 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 2: Control System Diagram Courtesy of MAZDA MOTORS CORP. PCM REMOVAL/INSTALLATION [MZI-3.5] NOTE: For replace the PCM, Setup the M-MDS and perform the PCM configuration. (See PCM CONFIGURATION [MZI-3.5].) 1.
  • Page 145 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 3: Identifying PCM Components With Torque Specifications Courtesy of MAZDA MOTORS CORP. PCM INSPECTION [MZI-3.5] CAUTION: The PCM terminal voltage can vary with the conditions when measuring and changes due to aged deterioration on the vehicle, causing false diagnosis.
  • Page 146 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 4: Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP. PCM CONNECTOR TERMINALS REFERENCE Measured/PID Values Units Sensors/Inputs 48 KM/H 89 KM/H Measured/PID KOEO Hot Idle...
  • Page 147 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 2.6/-0.01 2.6/-0.01 2.6/-0.01 2.6/-0.01 DCV/psi VBAT/OFF 0.1/ON (E) VBAT/OFF VBAT/OFF DCV/ON-OFF 0.1/OFF VBAT/ON (E) 0.1/OFF 0.1/OFF DCV/ON-OFF FEPS 0.5-0.6 0.5-0.6 0.5-0.6 0.5-0.6 sees 0.1 (P) HO2S12 HO2S22...
  • Page 148 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 EVMV EVAPCV 8.3/75 3.6/27 3.6/27 3.8/29 DCV/% WAC/ACCR ON-OFF HTR12 VBAT/OFF 0.2/ON 0.2/ON 0.2/ON DCV/ON-OFF HTR22 VBAT/OFF 0.2/ON 0.2/ON 0.2/ON DCV/ON-OFF CD6F (CYL 6) VBAT VBAT VBAT...
  • Page 149 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 VCTADVERR2 0.06 -0.43 PCM CONNECTOR TERMINALS REFERENCE Measured/PID Values Other Units Measured/PID KOEO Hot Idle 48 KM/H (30MPH) 89 KM/H (55MPH) ETCVREF VREF VPWR VBAT VBAT VBAT...
  • Page 150 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 1. Disconnect the PSP switch connector. 2. Start the engine. 3. Verify no continuity between the PSP switch terminals while rotating the steering wheel. If there is continuity, verify that P/S oil pump is normal and replace the PSP switch. (see POWER STEERING OIL PUMP DISASSEMBLY/ASSEMBLY .)
  • Page 151 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 If there is continuity, the circuit is shorted. Repair or replace the wiring harness. PSP switch terminal A and body ground MASS AIR FLOW (MAF)/INTAKE AIR TEMPERATURE (IAT) SENSOR REMOVAL/INSTALLATION [MZI-3.5]...
  • Page 152 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 VOLTAGE INSPECTION 1. Remove the MAF sensor with the connector still connected. 2. Turn the ignition switch to the ON position. 3. Verify that the MAF sensor output voltage (M-MDS monitor item: MAF) changes when wind is introduced gradually to the sensor part of the MAF sensor.
  • Page 153 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Open circuit If there is no continuity, the circuit is open. Repair or replace the wiring harness. MAF/IAT sensor terminal A and main relay No.1 terminal D...
  • Page 154 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 9: Identifying Intake Air Temperature (IAT) Sensor Connector Terminals Courtesy of MAZDA MOTORS CORP. IAT sensor characteristics graph (reference) Fig. 10: IAT Sensor Characteristics Graph Courtesy of MAZDA MOTORS CORP.
  • Page 155 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 11: Identifying MAF/IAT Sensor & PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP. 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].) 2. Inspect the following wiring harnesses for open or short. (Continuity inspection) Open circuit If there is no continuity, the circuit is open.
  • Page 156 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 NOTE: Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (see HOW TO USE THIS MANUAL .) VOLTAGE INSPECTION 1.
  • Page 157 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. CIRCUIT OPEN/SHORT INSPECTION Fig. 14: Identifying Throttle Body & PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP. 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].) 2.
  • Page 158 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 If there is continuity, there is a short circuit. Repair or replace the wiring harness. Throttle body terminal C and power supply Throttle body terminal C and body ground...
  • Page 159 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 If voltage is not as following table, perform the "Circuit Open/Short Inspection". If there is no open or short circuit, replace accelerator pedal. (see ACCELERATOR PEDAL REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 160 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Open circuit If there is no continuity, there is an open circuit. Repair or replace the wiring harness. APP sensor terminal B and PCM terminal 1 AC...
  • Page 161 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. REMOVAL 1. Disconnect the negative battery cable. 2. Remove the following part for easier access. 1. Remove the Catalytic Converter (WU-TWC) (LH).(see EXHAUST SYSTEM REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 162 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 If not within the specification, replace the CKP sensor. (See CRANKSHAFT POSITION (CKP) SENSOR REMOVAL/INSTALLATION [MZI-3.5].) If the monitor item status/specification (reference) is not within the specification, even though the resistance is within the specification, perform the "Circuit Open/Short Inspection".
  • Page 163 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 CKP sensor terminal A and power supply CKP sensor terminal A and body ground CKP sensor terminal B and power supply CKP sensor terminal B and body ground CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZI-3.5]...
  • Page 164 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 VISUAL INSPECTION 1. Remove the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZI-3.5].) 2. Verify that there are no metal shavings on the CMP sensor. 3. Install the CMP sensor. (See CAMSHAFT POSITION (CMP) SENSOR REMOVAL/INSTALLATION [MZI-3.5].)
  • Page 165 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 21: Identifying CMP Sensor & PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP. 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].) 2. Inspect the following harness for open or short circuit. (Continuity check)
  • Page 166 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 CMP sensor (LH) terminal B and power supply FRONT HEATED OXYGEN SENSOR (HO2S) REMOVAL/INSTALLATION [MZI-3.5] HO2S (LH) REMOVAL/INSTALLATION 1. Disconnect the negative battery cable. 2. Remove the engine cover. (see ENGINE COVER REMOVAL/INSTALLATION [MZI-3.5] .) 3.
  • Page 167 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 4. Remove the HO2S (RH) using the SST. NOTE: Apply a light coat of anti-seize lubricant to the threads of the HO2S. 5. Install in the reverse order of removal.
  • Page 168 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 24: Front HO2S Outputs Voltage Graph Courtesy of MAZDA MOTORS CORP. If not within the specification, inspect the front HO2S for an open or short circuit. (See FRONT HEATED OXYGEN SENSOR (HO2S) VOLTAGE INSPECTION.) Then if there is no...
  • Page 169 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 25: Identifying HO2S Sensor Connector Terminals Courtesy of MAZDA MOTORS CORP. CIRCUIT OPEN/SHORT INSPECTION 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].) 2. Inspect the following wiring harness for open or short (continuity check).
  • Page 170 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 26: Identifying Front HO2S & PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP. Open circuit If there is no continuity, the circuit is open. Repair or replace the harness.
  • Page 171 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 If there is continuity, the circuit is shorted. Repair or replace the harness. HO2S (RH) terminal A and power supply HO2S (RH) terminal A and body ground...
  • Page 172 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 27: View Of LH HO2S With Torque Specifications Courtesy of MAZDA MOTORS CORP. HO2S (RH) REMOVAL/INSTALLATION 1. Disconnect the negative battery cable. 2. Remove the following part for easier access.
  • Page 173 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Engine speed (PID: RPM) Rear HO2S voltage (PID: O2S12, O2S22) 3. Drive the vehicle and decelerate the engine speed by releasing the accelerator pedal fully when the engine speed is 3,000 rpm or more.
  • Page 174 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 3-30 ohms Fig. 30: Identifying HO2S & PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP. CIRCUIT OPEN/SHORT INSPECTION 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].)
  • Page 175 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 31: Identifying PCM, HO2S And Main Relay 2 Connector Terminals Courtesy of MAZDA MOTORS CORP. Open circuit If there is no continuity, the circuit is open. Repair or replace the harness.
  • Page 176 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 If there is continuity, the circuit is shorted. Repair or replace the harness. HO2S (RH) terminal A and power supply HO2S (RH) terminal A and body ground...
  • Page 177 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 32: Identifying Tray Under Converter Housing Courtesy of MAZDA MOTORS CORP. Fig. 33: Identifying Water Inlet Pipe And KS Connector With Torque Specifications Courtesy of MAZDA MOTORS CORP.
  • Page 178 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 RESISTANCE INSPECTION 1. Turn the ignition switch to LOCK. 2. Disconnect the KS connector. 3. Measure the resistance between the KS terminals. KS(RH): KS terminals A and B KS(LH): KS terminals C and D If not as specified, replace the KS.
  • Page 179 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].) 2. Inspect the following wiring harnesses for open or short. (Continuity inspection) Open circuit If there is no continuity, the circuit is open. Repair or replace the wiring harness.
  • Page 180 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 3. Remove the intake manifold. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI- 3.5] .) 4. Disconnect the CHT sensor connector. 5. Remove the CHT sensor using the following tools.
  • Page 181 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 CYLINDER HEAD TEMPERATURE (CHT) SENSOR INSPECTION [MZI-3.5] NOTE: Before performing the following inspection, make sure to follow the procedure as indicated in the troubleshooting flowchart. (see HOW TO USE THIS MANUAL .)
  • Page 182 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Fig. 38: Identifying CHT Sensor & PCM Related Connector Terminals Courtesy of MAZDA MOTORS CORP. 1. Disconnect the PCM connector. (See PCM REMOVAL/INSTALLATION [MZI-3.5].) 2. Inspect the following wiring harnesses for open or short. (Continuity inspection) Open circuit If there is no continuity, the circuit is open.
  • Page 183 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 FUEL TANK PRESSURE SENSOR INSPECTION [MZI-3.5] VOLTAGE INSPECTION 1. Remove the evaporative hose component. (see FUEL TANK REMOVAL/INSTALLATION [MZI- 3.5] .) 2. Turn the ignition switch to the ON position.
  • Page 184 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Control System (MZI-3.5) - CX-9 Open circuit If there is no continuity, the circuit is open. Repair or replace the wiring harness. Fuel tank pressure sensor terminal A and PCM terminal 1AB...
  • Page 185 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Service Tools - Engine (MZI-3.5) - CX-9 2007 ENGINE Service Tools - Engine (MZI-3.5) - CX-9 2007 ENGINE Service Tools - Engine (MZI-3.5) - CX-9 ENGINE SST [MZI-3.5]...
  • Page 186 2007 Mazda CX-9 Grand Touring 2007 ENGINE Service Tools - Engine (MZI-3.5) - CX-9 2: 303- 1: 49 G033 102 D121 2: - Puller Handle Support (Component part of 49 F034 2A0) 1: 49 G033 105 1: 49 UN30 2: -...
  • Page 187 2007 Mazda CX-9 Grand Touring 2007 ENGINE Service Tools - Engine (MZI-3.5) - CX-9 Oil seal installer 3125A0) Remover (Component part of 3125A0) 1: 49 T013 101 1: 49 N013 1: 49 L018 001 101A 2: - 2: - Body (Component part of 49 N013...
  • Page 188 2007 Mazda CX-9 Grand Touring 2007 ENGINE Service Tools - Engine (MZI-3.5) - CX-9 2: - Radiator cap tester adapter set 2: - Adapter Hose 1: - 2: 134- 1: 49 B019 901B 2: - Oil pressure gauge (Component part...
  • Page 189 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Technical Data (MZI-3.5) - CX-9 2007 ENGINE Technical Data (MZI-3.5) - CX-9 2007 ENGINE Technical Data (MZI-3.5) - CX-9 ENGINE TECHNICAL DATA [MZI-3.5] ENGINE TECHNICAL DATA SPECIFICATION Item...
  • Page 190 2007 Mazda CX-9 Grand Touring 2007 ENGINE Technical Data (MZI-3.5) - CX-9 min] Terminal B: B+ Generator standard voltage [IG- Terminal A: B+ Terminal RC: Approx. 1 V or less Terminal LI: Approx. 1 V Terminal B: 12-16 V Generator standard voltage [Idle, Terminal A: 12-16 V 20 °C {68 °F}]...
  • Page 191 2007 Mazda CX-9 Grand Touring 2007 ENGINE Technical Data (MZI-3.5) - CX-9 commutator Minimum: 0.2 mm {0.008 in} Standard: 12.3 mm {0.48 in} Starter brush length Minimum: 5.5 mm {0.22 in} Standard: 15.0-20.4 N {1.53-2.08 kgf, 3.38-4.58 lbf} Starter brush spring force Minimum: 2.75 N {0.28 kgf, 0.62 lbf}...
  • Page 192 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 2007 ENGINE Mechanical (MZI-3.5) - CX-9 2007 ENGINE Mechanical (MZI-3.5) - CX-9 MECHANICAL LOCATION INDEX [MZI-3.5]...
  • Page 193 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 1: Exploded View Of Mechanical Components Courtesy of MAZDA MOTORS CORP. ENGINE COVER REMOVAL/INSTALLATION [MZI-3.5]...
  • Page 194 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 1. Remove the engine cover in the order indicated in the figure. NOTE: Firmly pull the engine cover near the locations shown to disengage the retainers. 2. Install in the reverse order of removal.
  • Page 195 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 3: Identifying Drive Belt Auto Tensioner Indicator Mark Courtesy of MAZDA MOTORS CORP. POWER STEERING OIL PUMP DRIVE BELT 1. Visually inspect the power steering oil pump drive belt for damage and cracks.
  • Page 196 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 7. Install the generator and A/C drive belt. NOTE: When the generator and A/C drive belt is replaced with a new one, the drive belt auto tensioner indicator mark is aligned with the nominal belt length mark.
  • Page 197 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 5: Identifying Drive Belt Auto Tensioner Indicator Mark Courtesy of MAZDA MOTORS CORP. POWER STEERING OIL PUMP DRIVE BELT 1. Remove the generator and A/C drive belt. (See GENERATOR AND A/C DRIVE BELT.) 2.
  • Page 198 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 6: Removing Power Steering Drive Belt Using SST Courtesy of MAZDA MOTORS CORP. 3. Install the power steering oil pump drive belt. 1. Install the SST according to the following steps.
  • Page 199 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 7: View Of Clamp Adapter Courtesy of MAZDA MOTORS CORP. 2. Position the power steering oil pump drive belt around the SST and the power steering oil pump pulley.
  • Page 200 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 9: Verifying Drive Belt Is Fully Attached To Pulleys Courtesy of MAZDA MOTORS CORP. 4. Install the generator and A/C drive belt. (See GENERATOR AND A/C DRIVE BELT.) 5.
  • Page 201 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. 6. Turn the drive belt auto tensioner pulley by hand and verify that it rotates smoothly. Replace the drive belt auto tensioner if necessary.
  • Page 202 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 sprocket is in the position shown in the figure. In this position, the No.1 cylinder is at the TDC of the compression stroke. Fig. 12: Identifying Camshaft Timing Marks On Camshaft Sprockets Courtesy of MAZDA MOTORS CORP.
  • Page 203 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 13: Identifying Valve Clearance Adjustment Locations Courtesy of MAZDA MOTORS CORP. 3. Mark the crank pulley and engine front cover as shown in the figure. 4. Rotate the crankshaft clockwise 360° so that the No.5 cylinder is at TDC of the compression stroke.
  • Page 204 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 14: Identifying Mark On Crank Pulley And Engine Front Cover Courtesy of MAZDA MOTORS CORP. VALVE CLEARANCE ADJUSTMENT 1. Follow the cylinder head gasket replacement procedure and remove the camshafts and camshaft sprocket as a single unit.
  • Page 205 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 3. Perform "Fuel Line Safety Procedure". Leave the fuel pump relay removed. (see BEFORE REPAIR PROCEDURE [MZI-3.5] .) 4. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.5].) 5. Remove the dynamic chamber and throttle body as a single unit. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 206 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Compression Pressure Limit Chart kPa {kgf/cm , psi} COMPRESSION PRESSURE LIMIT CHART Maximum Minimum Maximum Minimum Maximum Minimum Maximum Minimum pressure pressure pressure pressure pressure pressure pressure pressure 1,131...
  • Page 207 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 158} 118} 188} 141} 218} 163} 248} 186} 1,103 1,310 1,517 1,138 1,724 1,289 827 {8.43, 979 {9.98, {11.24, {13.35, {15.46, {11.60, {17.57, {13.14, 120} 142} 160} 190} 220}...
  • Page 208 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 7. Remove the power steering oil pump drive belt. (See DRIVE BELT REMOVAL/INSTALLATION [MZI-3.5].) 8. Remove the power steering oil pump. (see POWER STEERING OIL PUMP REMOVAL/INSTALLATION .) 9. Remove in the order indicated in the table.
  • Page 209 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 17: Identifying Engine Components With Torque Specification Courtesy of MAZDA MOTORS CORP. CRANKSHAFT PULLEY LOCK BOLT REMOVAL NOTE 1. Remove the starter. (see STARTER REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 210 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 2. Set a flathead screwdriver to the drive plate in the position indicated in the figure to lock the crankshaft rotation. 3. Remove the crankshaft pulley lock bolt and washer.
  • Page 211 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 20: Removing Crankshaft Pulley Using SST Courtesy of MAZDA MOTORS CORP. FRONT OIL SEAL REMOVAL NOTE 1. Remove the front oil seal using a flathead screwdriver as shown.
  • Page 212 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 22: Identifying Cylinder Head Cover Bolts (RH) Removal Sequence Courtesy of MAZDA MOTORS CORP. Fig. 23: Identifying Cylinder Head Cover Bolts (LH) Removal Sequence Courtesy of MAZDA MOTORS CORP.
  • Page 213 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 24: Removing Hole Seal Courtesy of MAZDA MOTORS CORP. ENGINE FRONT COVER AND NO.3 ENGINE MOUNT BRACKET REMOVAL NOTE 1. Loosen the engine front cover and No.3 engine mount bracket installation bolts in the order shown in the figure.
  • Page 214 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 26: Identifying Engine Front Cover Bolts Courtesy of MAZDA MOTORS CORP. OCV COMPONENT REMOVAL NOTE 1. Loosen the OCV component installation bolts in the order shown in the figure.
  • Page 215 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. TIMING CHAIN COMPONENT REMOVAL NOTE CAUTION: Do not rotate the crankshaft counterclockwise. The timing chains may bind, causing engine damage. 1. Turn the crankshaft clockwise so that the crankshaft keyway is in the 11 o'clock position. (This will position the No.1 cylinder at TDC.)
  • Page 216 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 30: Marking Timing Chain Courtesy of MAZDA MOTORS CORP. 3. Remove the timing chain in the following order. 1. Chain tensioner 2. Timing chain 3. Tensioner arm 4. Chain guide 5.
  • Page 217 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 1. Tighten the OCV component installation bolts in the order shown in the figure. Fig. 32: Identifying OCV Bolt (RH) Installation Sequence Courtesy of MAZDA MOTORS CORP. Fig. 33: Identifying OCV Bolt (LH) Installation Sequence Courtesy of MAZDA MOTORS CORP.
  • Page 218 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 34: Identifying Crankshaft Keyway Courtesy of MAZDA MOTORS CORP. 2. Place alignment marks on the timing chain corresponding to each of the alignment marks on the timing sprocket.
  • Page 219 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 36: Pushing Down Link Plate Of Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP. 4. Secure the chain tensioner using a vice attached with a soft base, and slowly press the plunger back shown in the figure while pressing down the link plate.
  • Page 220 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 7. Install the timing chain in the following order. 1. Crankshaft sprocket 2. Chain guide 3. Tensioner arm 4. Timing chain 5. Chain tensioner Tightening torque 8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf} Fig.
  • Page 221 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 ENGINE FRONT COVER AND NO.3 ENGINE MOUNT BRACKET INSTALLATION NOTE 1. Apply the silicon sealant (Loctite 5900) to the engine front cover shown in the figure. Silicon sealant thickness A: 5.0-6.0 mm {0.197-0.236 in}...
  • Page 222 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 42: Identifying Engine Front Cover And Engine Mount No. 3 Bolt Tightening Sequence Courtesy of MAZDA MOTORS CORP. 2. Tighten the engine front cover installation bolts in the order in 2 steps in the order shown in the figure.
  • Page 223 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 CYLINDER HEAD COVER OIL SEAL INSTALLATION NOTE NOTE: Installation of new seals is only required if damaged seals were removed during disassembly of the engine. 1. Push the OCV attachment hole seals and spark plug tube attachment hole seals slightly in by hand.
  • Page 224 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 46: Applying Silicone Sealant To Cylinder Head Cover LH Courtesy of MAZDA MOTORS CORP. 2. Install the cylinder head cover with a new gasket. 3. Tighten the bolts in the order as shown.
  • Page 225 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 48: Identifying Cylinder Head Cover Bolt (LH) Tightening Sequence Courtesy of MAZDA MOTORS CORP. FRONT OIL SEAL INSTALLATION NOTE NOTE: Apply clean engine oil to the front oil seal bore in the engine front cover.
  • Page 226 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 NOTE: Lubricate the contact surface (exterior area of inner diameter) of the front oil seal with clean engine oil. 1. Install the crankshaft pulley, washer, and SST to the crankshaft.
  • Page 227 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 52: Using Screwdriver To Lock Drive Plate Courtesy of MAZDA MOTORS CORP. CYLINDER HEAD GASKET REPLACEMENT [MZI-3.5] WARNING: Fuel vapor is hazardous. It can very easily ignite, causing serious injury and damage.
  • Page 228 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 REMOVAL/INSTALLATION [MZI-3.5] .) 7. Remove the Intake manifold. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI- 3.5] .) 8. Remove both WU-TWCs together with both exhaust manifolds as a single unit. (see EXHAUST SYSTEM REMOVAL/INSTALLATION [MZI-3.5] .)
  • Page 229 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 53: Identifying Upper Engine Components With Torque Specification Courtesy of MAZDA MOTORS CORP. CAMSHAFT COMPONENT REMOVAL NOTE CAUTION: Do not rotate the crankshaft counterclockwise. The timing chains may bind, causing engine damage.
  • Page 230 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 2) on the timing chain. If any timing marks are missing, mark the timing chain. When marking the crankshaft sprocket side timing chain, change the mark color. When the timing chain is replaced with a new one, mark the new timing chain at the same positions as the removed timing chain.
  • Page 231 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. 3. Mark the camshaft timing chain at the positions where it is aligned with each of the camshaft sprocket on both banks. Fig. 56: Identifying Marks On Camshaft Timing Chain (LH)
  • Page 232 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 57: Identifying Marks On Camshaft Timing Chain (RH) Courtesy of MAZDA MOTORS CORP. 4. Remove the timing chain in the following order. 1. Chain tensioner 2. Timing chain 3.
  • Page 233 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 58: Identifying Chain Tensioner, Timing Chain, Tensioner Arm, Chain Guide And Crankshaft Sprocket Removal Sequence Courtesy of MAZDA MOTORS CORP. 5. Rotate the crankshaft counterclockwise until the keyway is in the 9 o'clock position.
  • Page 234 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 removed from. Do not mix the caps. Fig. 61: Identifying Timing Marks Courtesy of MAZDA MOTORS CORP. 9. Loosen the LH bank camshaft cap bolts in several passes in the order shown in the figure and remove the camshaft cap.
  • Page 235 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 63: Inserting Wire Into Camshaft Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP. 13. Put a wrench to the position shown in the figure on the RH bank camshaft, rotate the RH bank camshaft counterclockwise, and set the camshaft to the neutral position.
  • Page 236 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 65: Aligning Timing Marks Courtesy of MAZDA MOTORS CORP. 14. Loosen the RH bank camshaft cap bolts in several passes in the order shown in the figure and remove the camshaft cap.
  • Page 237 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. CYLINDER HEAD INSTALLATION NOTE NOTE: The cylinder head bolts must be replaced with new bolts. The bolts are torque-to-yield designed and cannot be reused.
  • Page 238 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 1. Assemble the camshaft timing chain tensioners on both sides. Tightening torque 8.5-11.5 N.m {87-117 kgf.cm, 76-101 in.lbf} NOTE: Install the camshaft, camshaft sprocket and camshaft timing chain of the both bank as a single unit.
  • Page 239 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 70: Positioning Camshaft Component (RH) Onto Cylinder Head Courtesy of MAZDA MOTORS CORP. 3. Install the RH bank camshaft caps and temporarily tighten the camshaft cap bolts evenly in the order shown in several passes.
  • Page 240 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 72: Inserting Wire Into Camshaft Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP. 5. Using the RH bank camshaft sprocket installation bolt at the position shown in the figure, rotate the RH bank camshaft clockwise.
  • Page 241 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 75: Aligning Colored Links On Camshaft Timing Chain With Marks On Camshaft Sprockets Courtesy of MAZDA MOTORS CORP. 2. Position the camshafts onto the cylinder head (LH) in the neutral position as shown.
  • Page 242 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 77: Identifying LH Camshaft Cap Bolt Tightening Sequence Courtesy of MAZDA MOTORS CORP. 4. Remove the retaining wire inserted into the camshaft timing chain tensioner (LH). Fig. 78: Inserting Wire Into Camshaft Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP.
  • Page 243 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 FRONT OIL SEAL REPLACEMENT [MZI-3.5] 1. Disconnect the negative battery cable. 2. Remove the engine cover. (See ENGINE COVER REMOVAL/INSTALLATION [MZI-3.5].) 3. Position the power steering reserve tank out of the way. (see POWER STEERING OIL PUMP REMOVAL/INSTALLATION .)
  • Page 244 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 80: Identifying Crankshaft Pulley Lock Bolt And No. 3 Motor Mount With Torque Specification Courtesy of MAZDA MOTORS CORP. CRANKSHAFT PULLEY LOCK BOLT REMOVAL NOTE 1. Remove the cover as shown in the figure.
  • Page 245 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 81: Identifying Cover With Fastener Courtesy of MAZDA MOTORS CORP. 2. Set a wrench to the drive plate bolt at the position shown in the figure to lock the crankshaft rotation.
  • Page 246 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 83: Identifying No. 1 Engine Mount Bolt "C" Courtesy of MAZDA MOTORS CORP. 2. Remove the No.1 engine mount bracket bolts A and B as shown. Fig. 84: Identifying Engine Mount No. 1 Bracket Bolts A And B Courtesy of MAZDA MOTORS CORP.
  • Page 247 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 85: Identifying Front Cooler Pipe And Bolt Courtesy of MAZDA MOTORS CORP. 5. Install the SST using the following procedure. CAUTION: Refer to the SST instruction manual for the basic handing procedure.
  • Page 248 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 87: Identifying Right Rear Shaft Of Right Shock Absorber Courtesy of MAZDA MOTORS CORP. 3. Install the left/right front shaft of the SST with front foot No.2 to the bolt shown in the figure.
  • Page 249 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 89: Supporting Engine Using SST Courtesy of MAZDA MOTORS CORP. CRANKSHAFT PULLEY REMOVAL NOTE 1. Slightly loosen the SST (49 C017 5A0) support and tilt the engine to the lower side slightly.
  • Page 250 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 91: Removing Crankshaft Pulley Using SST Courtesy of MAZDA MOTORS CORP. FRONT OIL SEAL REMOVAL NOTE 1. Remove the front oil seal using a flathead screwdriver as shown.
  • Page 251 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 93: Installing Front Oil Seal Courtesy of MAZDA MOTORS CORP. CRANKSHAFT PULLEY INSTALLATION NOTE NOTE: Lubricate the contact surface (exterior area of inner diameter) of the front oil seal with clean engine oil.
  • Page 252 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 95: Tightening Crankshaft Pulley Nut Courtesy of MAZDA MOTORS CORP. NO.3 ENGINE MOUNT INSTALLATION NOTE 1. Using the SST (49 C017 5A0), tilt up the engine until it is vertical.
  • Page 253 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 97: Identifying Engine Mount No. 1 Bracket Bolt C Courtesy of MAZDA MOTORS CORP. 4. Temporarily tighten the No.3 engine mount bolt and nuts in the order shown in the figure.
  • Page 254 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 99: Identifying Engine Mount No. 3 Bracket Bolt And Nut Tightening Sequence Courtesy of MAZDA MOTORS CORP. 6. Remove the SST (49 C017 5A0). 7. Install the following parts.
  • Page 255 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 1. Rotate the crankshaft clockwise, and set a wrench to the drive plate bolt at the position shown in the figure to lock the crankshaft rotation. 2. Tighten the new crankshaft pulley lock bolt in 4 steps.
  • Page 256 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 1. Remove the automatic transaxle. (see AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL] .) 2. Remove the drive plate. (see DRIVE PLATE REMOVAL/INSTALLATION [AW6A-EL, AW6AX- EL] .) 3. Remove in the order indicated in the table.
  • Page 257 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 NOTE: Lubricate the rear oil seal lips and bore with clean engine oil. 1. Push the rear oil seal slightly in by hand. 2. Tap the rear oil seal in evenly using the SST and a hammer.
  • Page 258 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 8. Disconnect the vacuum hose. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI- 3.5] .) 9. Remove the air cleaner. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI-3.5] .) 10. Remove the resonance chamber. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI- 3.5] .)
  • Page 259 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 4. Engine accessories operation 30. Perform a road test. NOTE: If the engine is overhauled and installed to the vehicle, perform the road test and verify that there is no malfunction.
  • Page 260 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 106: Identifying Engine Mounts With Torque Specifications...
  • Page 261 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. NO.1 ENGINE MOUNT REMOVAL NOTE 1. Remove the front under cover A and front under cover B. (see FRONT UNDER COVER REMOVAL/INSTALLATION .) 2. Remove the transverse member. (see TRANSVERSE MEMBER REMOVAL/INSTALLATION .) 3.
  • Page 262 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 the transaxle falls it could be damaged or cause injury. 2. Secure the engine, transaxle, and crossmember component using a hoist. Fig. 109: Securing Engine And Transaxle Using Engine Jack And Attachment Courtesy of MAZDA MOTORS CORP.
  • Page 263 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 111: Identifying No.3 Engine Mount Stud Bolts Courtesy of MAZDA MOTORS CORP. 2. Secure the engine and the transaxle using an engine jack and attachment as shown. Fig. 112: Securing Engine And Transaxle Using Engine Jack And Attachment Courtesy of MAZDA MOTORS CORP.
  • Page 264 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 surface does not adhere. Fig. 114: Identifying No.4 Engine Mount Bracket Bolt And Nut Tightening Sequence Courtesy of MAZDA MOTORS CORP. 2. Temporarily tighten the No.4 engine mount bracket in the order shown in the figure until the flange surface firmly adheres.
  • Page 265 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. 6. Tighten the bolts on the No.1 engine mounting bracket in the order of A, B. Tightening torque 93.1-116.6 N.m {9.50-11.8 kgf.m, 68.7-85.9 ft.lbf} Fig.
  • Page 266 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 11. Temporarily tighten the No.3 engine mount bolt and nuts in the order shown in the figure. Fig. 119: Identifying No.3 Engine Mount Bolt And Nut Tightening Sequence Courtesy of MAZDA MOTORS CORP.
  • Page 267 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 74.5-104.9 N.m {7.60-10.6 kgf.m, 55.0-77.3 ft.lbf} Fig. 121: Identifying No.4 Engine Mount Nut And Bolt Tightening Sequence Courtesy of MAZDA MOTORS CORP. ENGINE DISASSEMBLY/ASSEMBLY [MZI-3.5] 1. Remove the transaxle from the engine. (see AUTOMATIC TRANSAXLE REMOVAL/INSTALLATION [AW6A-EL, AW6AX-EL] .)
  • Page 268 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 122: Identifying Engine External Components With Torque Specification Courtesy of MAZDA MOTORS CORP. NO.3 ENGINE MOUNT STAY (ENGINE FRONT COVER SIDE) INSTALLATION NOTE 1. Tighten the No.3 engine mount stay (engine front cover side) in the order shown in the figure.
  • Page 269 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 123: Identifying No.3 Engine Mount Stay With Tightening Sequence Courtesy of MAZDA MOTORS CORP. WATER INLET PIPE INSTALLATION NOTE 1. Apply clean engine coolant to the O-ring. VARIABLE VALVE TIMING ACTUATOR REMOVAL/INSTALLATION [MZI-3.5] WARNING: Fuel vapor is hazardous.
  • Page 270 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 5. Remove the ignition coils. (see IGNITION COIL REMOVAL/INSTALLATION [MZI-3.5] .) 6. Remove the dipstick. 7. Remove the power steering oil pump drive belt. (See DRIVE BELT REMOVAL/INSTALLATION [MZI-3.5].) 8.
  • Page 271 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 125: Identifying Variable Valve Timing Actuator With Torque Specification Courtesy of MAZDA MOTORS CORP. VARIABLE VALVE TIMING ACTUATOR COMPONENT REMOVAL NOTE CAUTION: Do not rotate the crankshaft counterclockwise. The timing chains may bind, causing engine damage.
  • Page 272 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 126: View Of Crankshaft Keyway At 11 O'Clock Position Courtesy of MAZDA MOTORS CORP. 2. Mark the timing chain at the position of each timing sprocket timing mark.
  • Page 273 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 128: Identifying Timing Mark On Camshaft Sprocket (LH) Courtesy of MAZDA MOTORS CORP. Fig. 129: Identifying Timing Mark On Camshaft Sprocket (RH) Courtesy of MAZDA MOTORS CORP.
  • Page 274 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 4. Remove the timing chain in the following order. 1. Chain tensioner 2. Timing chain 3. Tensioner arm 4. Chain guide 5. Crankshaft sprocket Fig. 130: Identifying Chain Tensioner, Timing Chain, Tensioner Arm, Chain Guide And Crankshaft Sprocket With Removal Sequence Courtesy of MAZDA MOTORS CORP.
  • Page 275 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 132: Inserting Wire Into Camshaft Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP. 8. Install the SST onto the camshafts (LH). NOTE: The camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled.
  • Page 276 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 134: Inserting Wire Into Camshaft Timing Chain Tensioner Courtesy of MAZDA MOTORS CORP. 12. Install the SST onto the camshafts (RH). NOTE: The camshaft sprocket is integrated with the variable valve timing actuator and cannot be disassembled.
  • Page 277 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 136: Aligning Marks On Camshaft Timing Chain And Both Intake And Exhaust Side Camshaft Sprockets (RH) Courtesy of MAZDA MOTORS CORP. Fig. 137: Aligning Marks On Camshaft Timing Chain And Both Intake And Exhaust Side Camshaft Sprockets (LH) Courtesy of MAZDA MOTORS CORP.
  • Page 278 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 2. Install the variable valve timing actuator, camshaft timing chain and the exhaust camshaft sprocket of the RH bank as a single unit. 3. Remove the retaining wire inserted into the camshaft timing chain tensioner (RH).
  • Page 279 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 8. Rotate the crankshaft clockwise until the keyway is in the 11 o'clock position. (This will position the No.1 cylinder at TDC.) 9. Follow the "TIMING CHAIN REMOVAL/INSTALLATION" procedure and install the timing chain.
  • Page 280 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 12. Install in the reverse order of removal. Fig. 141: Identifying Oil Control Valve And Bolts Courtesy of MAZDA MOTORS CORP. OIL CONTROL VALVE (OCV) INSPECTION [MZI-3.5] COIL RESISTANCE INSPECTION 1.
  • Page 281 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 1. Disconnect the negative battery cable. 2. Remove the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [MZI-3.5].) 3. Verify that the spool valve in the OCV is in the maximum valve timing retard position as indicated in the figure.
  • Page 282 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 terminal A 6. Stop applying battery positive voltage and verify that the spool valve returns to the maximum valve timing retard position. If not as specified, replace the OCV. (See OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [MZI-3.5].)
  • Page 283 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Fig. 146: Identifying DLC2 Connector Courtesy of MAZDA MOTORS CORP. IGNITION TIMING INSPECTION 1. Perform "Engine Tune-up Preparation". (See ENGINE TUNE-UP PREPARATION.) NOTE: The ignition timing cannot be adjusted.
  • Page 284 2007 Mazda CX-9 Grand Touring 2007 ENGINE Mechanical (MZI-3.5) - CX-9 Electrical load on: 630-730 rpm Power steering oil pump operation: 600-700 rpm A/C and heater operation: 570-850 rpm [-40-49°C {-40-120°F}] IDLE MIXTURE INSPECTION 1. Perform "Engine Tune-up Preparation". (See ENGINE TUNE-UP PREPARATION.) 2.
  • Page 285 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Exhaust System (MZI-3.5) - CX-9 2007 ENGINE Exhaust System (MZI-3.5) - CX-9 2007 ENGINE Exhaust System (MZI-3.5) - CX-9 EXHAUST SYSTEM INSPECTION [MZI-3.5] 1. Start the engine and inspect each exhaust system component for exhaust gas leakage.
  • Page 286 2007 Mazda CX-9 Grand Touring 2007 ENGINE Exhaust System (MZI-3.5) - CX-9...
  • Page 287 2007 Mazda CX-9 Grand Touring 2007 ENGINE Exhaust System (MZI-3.5) - CX-9 Fig. 1: Exploded View Of Exhaust System Components With Torque Specifications WARM UP THREE WAY CATALYTIC CONVERTER (WU-TWC) (RH) REMOVAL NOTE 1. Remove the joint shaft. (see JOINT SHAFT REMOVAL/INSTALLATION [2WD] .) 2.
  • Page 288 2007 Mazda CX-9 Grand Touring 2007 ENGINE Exhaust System (MZI-3.5) - CX-9 1. Install the WU-TWC (RH) insulator. 2. Temporarily tighten WU-TWC (RH) bracket. 3. Temporarily tighten WU-TWC (RH) bracket (L type) (engine side). 4. Push up the engine. 5. Install the WU-TWC (RH).
  • Page 289 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 FUEL SYSTEM LOCATION INDEX [MZI-3.5] ENGINE COMPARTMENT SIDE Fig.
  • Page 290 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 2: Identifying Fuel System Components 2WD (Fuel Tank) Courtesy of MAZDA MOTORS CORP.
  • Page 291 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 3: Identifying Fuel System Components AWD (Fuel Tank) Courtesy of MAZDA MOTORS CORP. FUEL SYSTEM DIAGRAM [MZI-3.5]...
  • Page 292 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 4: Fuel System Diagram Courtesy of MAZDA MOTORS CORP. BEFORE REPAIR PROCEDURE [MZI-3.5] WARNING: Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel.
  • Page 293 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 5. Start the engine. 6. After the engine stalls, crank the engine several times. 7. Turn the ignition switch to LOCK position. 8. Install the fuel pump relay.
  • Page 294 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Standard There shall be no leakage after 5 min. 4. After reinstallation, repeat step 2-3 in the fuel leakage inspection. Fig. 6: Identifying DLC-2 Connector Courtesy of MAZDA MOTORS CORP.
  • Page 295 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 7: Identifying Main Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP. 6. After repair, assemble the system and repeat Steps 4-5. FUEL LINE PRESSURE INSPECTION [MZI-3.5] WARNING: Fuel line spills and leakage are dangerous.
  • Page 296 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 valve. 6. Verify that the selector is in N position. Fig. 9: Identifying Special Tool Courtesy of MAZDA MOTORS CORP. 7. Start the fuel pump using the following procedure.
  • Page 297 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 10: Identifying DLC-2 Connector Courtesy of MAZDA MOTORS CORP. 2. Using a jumper wire, short fuel pump relay terminals C and D in the main fuse block.
  • Page 298 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2. Disconnect the negative battery cable to stop the fuel pump. 10. Disconnect the fuel pressure gauge and connect the fuel pipe. 11. Complete the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) FUEL TANK REMOVAL/INSTALLATION [MZI-3.5]...
  • Page 299 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 12: Identifying Schrader Valve Cap And Fuel Distributor Courtesy of MAZDA MOTORS CORP. 7. Start the fuel pump using the following procedure. Using M-MDS 1. Connect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .) 2.
  • Page 300 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2. Using a jumper wire, short fuel pump relay terminals C and D in the main fuse block. 3. Connect the negative battery cable and operate the fuel pump.
  • Page 301 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 15: Exploded View Of Fuel Tank Components With Torque Specifications Courtesy of MAZDA MOTORS CORP. Fuel-filler pipe protector removal note 1. Remove the rear tire (LH).
  • Page 302 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2. Remove the spare tire. 3. Remove the main silencer (LH). (see EXHAUST SYSTEM REMOVAL/INSTALLATION [MZI- 3.5] .) 4. Remove the main silencer insulator (LH). 5. To lower the rear crossmember, perform the following procedure: 1.
  • Page 303 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 1. Connect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .) 2. Connect the M-MDS to the DLC-2. 3. Using the simulation function FP, start the fuel pump.
  • Page 304 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 8. When essentially no fuel is being discharged, stop the fuel pump. 9. Disconnect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .) 10. To remove the propeller shaft, remove the following parts: 1.
  • Page 305 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 20: Exploded View Of Fuel Tank Components With Torque Specifications Courtesy of MAZDA MOTORS CORP. Fuel-filler pipe protector removal note 1. Remove the rear tire (LH).
  • Page 306 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2. Remove the spare tire. 3. Remove the main silencer (LH). (see EXHAUST SYSTEM REMOVAL/INSTALLATION [MZI- 3.5] .) 4. Remove the main silencer insulator (LH). 5. To lower the rear crossmember, perform the following procedure: 1.
  • Page 307 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 21: Identifying Fuel Pump Unit And Drain Plug - 2WD Courtesy of MAZDA MOTORS CORP. 2. Apply a pressure of 3 kPa {23 mmHg, 0.9 inHg} to port A and wait for a while.
  • Page 308 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 22: Identifying Fuel Pump Unit And Drain Plug - AWD Courtesy of MAZDA MOTORS CORP. Fig. 23: Identifying Fuel Pump Unit And Drain Plug - 2WD Courtesy of MAZDA MOTORS CORP.
  • Page 309 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. NONRETURN VALVE INSPECTION [MZI-3.5] WARNING: Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage.
  • Page 310 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete the "Fuel Line Safety Procedure". Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage.
  • Page 311 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 26: Identifying Schrader Valve And Fuel Distributor Courtesy of MAZDA MOTORS CORP. 2. Connect the M-MDS to the DLC-2. 3. Using the simulation function "FP", start the fuel pump.
  • Page 312 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 of fuel being discharged from the hose and stop operation of the fuel pump when essentially no fuel is being discharged. Fig. 28: Identifying Main Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP.
  • Page 313 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 30: Identifying Fuel Pump Unit Components - AWD With Torque Specifications Courtesy of MAZDA MOTORS CORP. FUEL PUMP UNIT DISASSEMBLY/ASSEMBLY [MZI-3.5] 1. Disassemble in the order indicated in the table.
  • Page 314 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 NOTE: To improve start ability, the fuel pump control operates the fuel pump unit when the ignition switch is turned to the ON position. Due to this, fuel pressure is rapidly increased and fuel control is stabilized.
  • Page 315 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 33: Identifying Fuel Pump Unit Connector Terminals Courtesy of MAZDA MOTORS CORP. Standard B+ (Ignition switch at ON) Without using M-MDS 1. Disconnect the negative battery cable. (see BATTERY REMOVAL/INSTALLATION [MZI-3.5] .) 2.
  • Page 316 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fuel pump continuity If not within the specification, inspect the following: Fuel pump relay Wiring harnesses and connectors between battery-fuel pump relay- fuel pump Fig. 35: Identifying Fuel Pump Unit Connector Terminals Courtesy of MAZDA MOTORS CORP.
  • Page 317 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 36: Identifying Fuel Pump Unit Connector Terminals Courtesy of MAZDA MOTORS CORP. CIRCUIT OPEN/SHORT INSPECTION 1. Inspect the following wiring harnesses for open or short circuit (continuity check).
  • Page 318 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fuel pump unit terminal D and body ground Fuel pump unit terminal C and fuel pump relay terminal D Short circuit If there is continuity, the circuit is short. Repair or replace the harness.
  • Page 319 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 3. Pull out the fuel hose straight from the fuel pipe and disconnect it. 4. Cover the disconnected quick release connector and fuel pipe with vinyl sheeting or a similar material to prevent it from scratches or dirt.
  • Page 320 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 41: Installing Quick Release Connector Courtesy of MAZDA MOTORS CORP. FUEL INJECTOR REMOVAL/INSTALLATION [MZI-3.5] WARNING: Fuel is very flammable liquid. If fuel spills or leaks from the pressurized fuel system, it will cause serious injury or death and facility breakage.
  • Page 321 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 7. Complete the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) FUEL INJECTOR REMOVAL NOTE CAUTION: Use of a deformed injector retaining clip will cause the injector to not engage correctly.
  • Page 322 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 2. Pull the clip parallel to the injector groove, and remove it from the injector. 3. Discard the clip. Fig. 45: Identifying Injector Groove Courtesy of MAZDA MOTORS CORP.
  • Page 323 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 OPERATION TEST 1. Carry out the "Fuel Injector Operation Inspection". (see ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZI-3.5] .) If not as specified, perform the further inspection for the fuel injectors.
  • Page 324 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 48: Identifying Fuel Injector Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 49: Identifying Main Fuse Block Connector Terminals Courtesy of MAZDA MOTORS CORP. Fig. 50: Identifying PCM Connector Terminals Courtesy of MAZDA MOTORS CORP.
  • Page 325 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 If there is no continuity, the circuit is open. Repair or replace the harness. No.1 cylinder fuel injector terminal A and PCM terminal 2BJ No.2 cylinder fuel injector terminal A and PCM terminal 2BM No.3 cylinder fuel injector terminal A and PCM terminal 2BF...
  • Page 326 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Fuel System (MZI-3.5) - CX-9 Fig. 51: Identifying Fuel Injector Atomization Pattern Courtesy of MAZDA MOTORS CORP. PRESSURE REGULATOR INSPECTION [MZI-3.5] NOTE: Due to the adoption of the mechanical returnless fuel system, the pressure regulator cannot be inspected separately.
  • Page 327 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 IGNITION SYSTEM LOCATION INDEX [MZI-3.5] Fig. 1: Identifying Ignition System Components IGNITION COIL REMOVAL/INSTALLATION [MZI-3.5]...
  • Page 328 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 Fig. 2: Identifying Ignition Coil And Connector With Torque Specifications IGNITION COIL INSPECTION [MZI-3.5] SECONDARY COIL RESISTANCE INSPECTION 1. Remove the ignition coils. (See IGNITION COIL REMOVAL/INSTALLATION [MZI-3.5].) 2.
  • Page 329 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 CAUTION: If a spark plug that is not as specified is installed, engine performance will be deteriorated. Install only the specified spark plug when replacing. 1. Disconnect the negative battery cable.
  • Page 330 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 CLEANING CAUTION: Carbon may adhere to the tip of the spark plug during vehicle delivery or repeated short distance driving during the winter time. If there is any malfunction such as rough idling or start difficulty due to carbon adhesion causing plug fouling, burn off the carbon by performing no-load racing of the engine.
  • Page 331 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Ignition System (MZI-3.5) - CX-9 RESISTANCE INSPECTION 1. Measure the resistance of the spark plug using a tester as shown in the figure. If not within the specification, replace the spark plug.
  • Page 332 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 2007 ENGINE Lubrication (MZI-3.5) - CX-9 2007 ENGINE Lubrication (MZI-3.5) - CX-9 LUBRICATION SYSTEM LOCATION INDEX [MZI-3.5] Fig. 1: Identifying Lubrication System Components Location Courtesy of MAZDA MOTORS CORP.
  • Page 333 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 If the oil level is below the L mark, add engine oil. Fig. 2: Identifying Engine Oil Level (Dipstick) Courtesy of MAZDA MOTORS CORP. ENGINE OIL REPLACEMENT [MZI-3.5] WARNING: Hot engines and engine oil can cause severe burns.
  • Page 334 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 NOTE: The amount of residual oil in the engine can vary according to factors such as the replacement method and oil temperature. Verify the oil level after engine oil replacement.
  • Page 335 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 2. Remove the engine cover. 3. Remove the fan control module No.2 with the connectors still connected (Dual fan control module) (see FAN MOTOR REMOVAL/INSTALLATION [MZI-3.5] .) 4. Remove the oil pressure switch.
  • Page 336 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 10.7-24.5 N.m {1.1-2.4 kgf.m, 7.9-18.0 ft.lbf} 14. Install the fan control module No.2 (Dual fan control module) (see FAN MOTOR REMOVAL/INSTALLATION [MZI-3.5] .) 15. Connect the negative battery cable.
  • Page 337 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 6. Start the engine and confirm that there is no oil leakage. If there is oil leakage, repair or replace the applicable part. 7. Inspect the oil level. (See ENGINE OIL LEVEL INSPECTION [MZI-3.5].) Fig.
  • Page 338 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 If there is oil leakage, repair or replace the applicable part. 11. Inspect the oil level. (See ENGINE OIL LEVEL INSPECTION [MZI-3.5].) 12. Inspect for engine coolant leakage. (see ENGINE COOLANT LEAKAGE INSPECTION [MZI-3.5] .) Fig.
  • Page 339 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 Continuous exposure to USED engine oil has caused skin cancer in laboratory mice. Protect your skin by washing with soap and water immediately after working with engine oil. NOTE: The following procedure "OIL PAN REMOVAL/INSTALLATION"...
  • Page 340 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 4. Engine accessories operation. 18. Perform a road test. Fig. 8: Identifying Oil Pan Components With Torque Specification Courtesy of MAZDA MOTORS CORP. ENGINE MOUNTING/DISMOUNTING Mounting 1. Remove the WU-TWC (RH) bracket. (AWD) Fig.
  • Page 341 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 2. Install the SSTs (arms) to the cylinder block four holes as shown in the figure, and hand-tighten the bolts (M10 x 1.5T length 90 mm {3.55 in}). Fig. 10: Identifying Cylinder Block Holes For SST Installation Courtesy of MAZDA MOTORS CORP.
  • Page 342 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 Fig. 12: Identifying SST On Bolts, Nuts, And Plate With Specifications Courtesy of MAZDA MOTORS CORP. 8. Mount the engine on the SST (engine stand). WARNING: Self-locking brake system of the engine stand may not be effective when the engine is held in an unbalanced position.
  • Page 343 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 Fig. 14: Locating Oil Pan 2 Threaded Holes Courtesy of MAZDA MOTORS CORP. OIL PAN INSTALLATION NOTE CAUTION: Apply silicon sealant in a single, unbroken line around the whole perimeter.
  • Page 344 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 A: Approx. 3.0 mm {0.12 in} B: 5.0-6.0 mm {0.20-0.23 in} C: 10.0 mm {0.39 in} Fig. 16: Applying Silicone Sealant To Oil Pan Courtesy of MAZDA MOTORS CORP.
  • Page 345 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 5. Using a straightedge, align the oil pan flush with the rear of the cylinder block at the two areas as shown. Fig. 18: Aligning Oil Pan Flush With Rear Of Cylinder Block Courtesy of MAZDA MOTORS CORP.
  • Page 346 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 laboratory mice. Protect your skin by washing with soap and water immediately after working with engine oil. NOTE: The following procedure "OIL PUMP REMOVAL/INSTALLATION" is performed after the engine and transaxle component is removed from the vehicle.
  • Page 347 2007 Mazda CX-9 Grand Touring 2007 ENGINE Lubrication (MZI-3.5) - CX-9 Fig. 20: Lifting Engine And Transaxle Courtesy of MAZDA MOTORS CORP. Fig. 21: Identifying Oil Pump And O-Ring With Torque Specifications Courtesy of MAZDA MOTORS CORP.
  • Page 348 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 FOREWORD [MZI-3.5] When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to following flowchart.
  • Page 349 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 When using the PDS (Pocket PC) 1. Select "Module Tests". 2. Select "PCM". 3. Select "Self Test". 3. Then, select the "Retrieve CMDTCs" and perform procedures according to directions on the M-MDS screen.
  • Page 350 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Fig. 3: Identifying DLC-2 Connector Courtesy of MAZDA MOTORS CORP. FREEZE FRAME PID DATA ACCESS PROCEDURE 1. Connect the M-MDS to the DLC-2. 2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
  • Page 351 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 ON-BOARD SYSTEM READINESS TESTS ACCESS PROCEDURE 1. Connect the M-MDS to the DLC-2. 2. After the vehicle is identified, select the following items from the initial screen of the M-MDS.
  • Page 352 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 1. Connect the M-MDS to the DLC-2. 2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. When using the IDS (laptop PC) 1.
  • Page 353 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 AXLE Axle ratio BARO Barometric pressure Brake switch Off/On Brake pressure applied switch Off/On CATT11_DSD Estimated catalytic converter temperature (RH) °C CATT21_DSD Estimated catalytic converter temperature (LH) °C...
  • Page 354 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 MFF_LOAD Engine load at the time of misfire MFF_RNTM Engine running time at time of misfire MFF_RPM Engine speed at the time of misfire MFF_SOAK Engine off soak time prior to misfire...
  • Page 355 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 TP sensor No. 2 VPWR Battery voltage Vehicle speed VT ACT1 Actual valve timing (RH) ° VT ACT2 Actual valve timing (LH) ° VT DIFF1 Difference between target and actual valve timing °...
  • Page 356 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 1. Connect the M-MDS to the DLC-2. 2. After the vehicle is identified, select the following items from the initial screen of the M-MDS. When using the IDS (laptop PC) 1.
  • Page 357 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 When using the PDS (Pocket PC) 1. Select "Module Tests". 2. Select "PCM". 3. Select "Self Test". 4. Select "Retrieve CMDTCs". 3. Verify the DTC according to the directions on the M-MDS screen.
  • Page 358 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 5. After completion of repairs, clear all DTCs stored in the PCM, while referring to "AFTER REPAIR PROCEDURE". Fig. 10: Identifying DLC-2 Connector Courtesy of MAZDA MOTORS CORP.
  • Page 359 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The fuel tank level should be between 1/2 and 3/4 full with 3/4 full being the most desirable. The evaporative emission system monitor can only operate during the first 30 min of the engine operation.
  • Page 360 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 results. Clears the status of the OBD-II system monitors is reset. Sets DTC P1000. Start the engine without turning the ignition switch off. Idle the engine for 15 s.
  • Page 361 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CCM (Engine) Executes the idle air control Stop the vehicle. portion of the CCM. Idle the engine for 2 min with the selector lever in the D range.
  • Page 362 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 If the EVAP monitor is not completed and the IAT was out of the 4.4-37.8 °C {40- 100 °F} range, or the altitude is above 2,438 m {8,000 ft} , the "EVAP...
  • Page 363 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 10: A1: 82 Highest Misfire Rate Type A (engine 200 rpm) 10: A1: 83 Highest Misfire Rate Type B (engine 1000 rpm) 10: A1: 84 Inferred Catalyst Mid-Bed Temperature °C...
  • Page 364 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (engine 1000 rpm) 10: A7: 0B Cylinder No.6 average misfire counts for last 10 DC 10: A7: 0C Cylinder No.6 misfire counts for last/current DC 10: A7: 80 Cylinder No.6 Type A Misfire Rate...
  • Page 365 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 P0112 IAT sensor circuit low input (See DTC P0112 [MZI-3.5].) P0113 IAT sensor circuit high input (See DTC P0113 [MZI-3.5].) P0114 IAT sensor Intermittent/erratic (See DTC P0114 [MZI-3.5].)
  • Page 366 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 P0202 Injector circuit/open-cylinder No.2 (See DTC P0202 [MZI-3.5].) P0203 Injector circuit/open-cylinder No.3 (See DTC P0203 [MZI-3.5].) P0204 Injector circuit/open-cylinder No.4 (See DTC P0204 [MZI-3.5].) P0205 Injector circuit/open-cylinder No.5 (See DTC P0205 [MZI-3.5].)
  • Page 367 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 P0351 Ignition coil No.1 primary/secondary (See DTC P0351, 0352, circuit 0353, 0354, 0355, 0356 [MZI-3.5].) P0352 Ignition coil No.2 primary/secondary (See DTC P0351, 0352, circuit 0353, 0354, 0355, 0356 [MZI-3.5].)
  • Page 368 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 P0506 IAC system RPM lower than expected (See DTC P0506 [MZI-3.5].) P0507 IAC system RPM higher than expected (See DTC P0507 [MZI-3.5].) P050E Cold start engine exhaust temperature...
  • Page 369 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 P0690 ECM/PCM power relay sense circuit (See DTC P0690 [MZI-3.5].) high P1000 OBD II systems readiness test not (See DTC P1000 [MZI-3.5].) complete P1001 KOER not able to complete, KOER (See DTC P1001 [MZI-3.5].)
  • Page 370 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 P2107 Throttle actuator control module (See DTC P2107 [MZI-3.5].) processor P2110 Throttle actuator control system - forced (See DTC P2104, P2105, limited RPM P2110 [MZI-3.5].) P2111 Throttle actuator control system - stuck (See DTC P2111 [MZI-3.5].)
  • Page 371 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 U0155 Communication error to instrument THE LOCATION OF A MALFUNCTION cluster [MULTIPLEX COMMUNICATION SYSTEM] .) Internal control module software U0300 incompatibility The fuel cap warning light illuminates.
  • Page 372 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0010 [MZI-3.5] DTC P0010 DETECTION CONDITION AND POSSIBLE CAUSE DTC P0010 CMP actuator circuit open (RH) The PCM monitors the OCV (RH) circuit to the PCM for high and low voltage.
  • Page 373 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0010 DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 374 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 available? Go to the next step. INSPECT OCV (RH) CONNECTOR Repair or replace suspected part, then go to FOR POOR CONNECTION Step 10. Turn the ignition switch off.
  • Page 375 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the ignition switch off. Inspect for continuity between OCV (RH) terminal B (wiring harness-side) and body ground. Is there continuity? INSPECT PCM CONNECTOR FOR...
  • Page 376 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0011 [MZI-3.5] DTC P0011 DETECTION CONDITION AND POSSIBLE CAUSE DTC P0011 CMP timing over-advanced (RH)
  • Page 377 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 [MZI-3.5] .) INSPECT OCV (RH) Replace the OCV (RH), then go to the next step. (see OIL CONTROL VALVE (OCV) Inspect the OCV (RH). REMOVAL/INSTALLATION [MZI- 3.5]. ) (see OIL CONTROL VALVE (OCV) INSPECTION [MZI-3.5].
  • Page 378 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0012 DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS Go to the next step. BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 379 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 disconnected connectors. 3.5] .) Clear the DTC from the PCM memory using the M-MDS. Turn the ignition switch off. Start the engine and warm it up completely.
  • Page 380 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins...
  • Page 381 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 memory using the M-MDS. Go to the next step. Start the engine. Is the same DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].)
  • Page 382 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0020 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 383 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT OCV (LH) CONNECTOR Repair or replace suspected part, then go to FOR POOR CONNECTION Step 10.
  • Page 384 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the ignition switch to the ON position (Engine off). Inspect for continuity between OCV (LH) terminal B (wiring harness-side) and body ground.
  • Page 385 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0021 [MZI-3.5] DTC P0021 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0021 CMP timing over-advanced (LH)
  • Page 386 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 [MZI-3.5] .) INSPECT OCV (LH) Replace the OCV (LH), then go to the next step. (see OIL CONTROL VALVE (OCV) Inspect the OCV (LH). REMOVAL/INSTALLATION [MZI- 3.5]. ) (see OIL CONTROL VALVE (OCV) INSPECTION [MZI-3.5].
  • Page 387 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0022 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS Go to the next step. BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 388 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 disconnected connectors. 3.5] .) Clear the DTC from the PCM memory using the M-MDS. Turn the ignition switch off. Start the engine and warm it up completely.
  • Page 389 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Go to the next step.
  • Page 390 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0053, P0054, P0059, P0060 [MZI-3.5] DTC P0053, P0054, P0059, P0060 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 391 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9...
  • Page 392 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0053, P0054, P0059, P0060 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 393 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 harness-side) and HO2S Repair or replace suspected part, Go to terminal C (wiring harness- Step 9 side) HO2S terminal A (wiring harness-side) and HO2S terminal D (wiring harness-...
  • Page 394 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to Step 9. INSPECT HO2S CASE FOR SHORT Replace the PCM. Go to the next step. TO POWER SUPPLY, HTR, AND Replace the HO2S. SIGNRTN (See FRONT HEATED OXYGEN SENSOR .)
  • Page 395 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 sensed throttle position to mass air flow readings. If during a KOER self- DETECTION test, the comparison of the TP sensor and MAF sensor readings are not...
  • Page 396 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is the TP2 PID more than 2.44 V and the LOAD PID less than 30%? INSPECT FOR TP2 SIGNAL LOW Repair or replace the malfunctioning part, VERSUS LOAD WHILE DRIVING then go to Step 8.
  • Page 397 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0102 [MZI-3.5] DTC P0102 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0102 MAF circuit low input...
  • Page 398 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0102 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 399 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Go to the next step.
  • Page 400 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 MAF sensor terminal C (wiring harness-side) and PCM terminal 1AJ (wiring harness-side) MAF sensor terminal D (wiring harness-side) and PCM terminal 1AN (wiring harness-side) Are there continuity?
  • Page 401 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the ignition switch to the ON position (Engine off). Clear the DTC from the PCM memory using the M-MDS. Start engine and warm it up completely.
  • Page 402 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0103 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 403 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 404 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (see MASS AIR FLOW (MAF.) 3.5]. ), then go to Step 7. SENSOR INSPECTION [MZI- 3.5].) Go to the next step. Is there malfunction? VERIFY TROUBLESHOOTING OF Replace PCM, then go to the next step.
  • Page 405 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Short to ground circuit between MAF sensor terminal C and PCM terminal 1AJ Short to ground circuit between MAF sensor terminal D and PCM terminal 1AN Connector or terminal malfunction...
  • Page 406 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0104 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to next step.
  • Page 407 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to next step. Measure voltage between the following terminals: MAF sensor terminal C (wiring harness-side) and body ground MAF sensor terminal D (wiring harness-side) and body ground...
  • Page 408 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Inspect for continuity between the following terminals: MAF sensor terminal C and PCM terminal 1AJ MAF sensor terminal D and PCM terminal 1AN Are there continuity? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to next step.
  • Page 409 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 the CHT by more than a calibrated value, typically 17 °C {30 °F}. POSSIBLE CAUSE IAT sensor malfunction DIAGNOSTIC PROCEDURE DTC P0111 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION...
  • Page 410 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE" Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0112 [MZI-3.5] DTC P0112 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0112 IAT sensor circuit low input DETECTION Indicates that the sensor signal is less than the self-test minimum.
  • Page 411 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0112 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 412 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 413 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 memory using the M-MDS. Go to the next step. Start engine and warm it up completely. Is same DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection.
  • Page 414 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0113 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 415 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 416 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Disconnect PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Are there any malfunction? INSPECT IAT SENSOR SIGNAL Go to the next step.
  • Page 417 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P0114 [MZI-3.5] DTC P0114 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0114 IAT sensor Intermittent/erratic DETECTION Indicates the sensor signal was intermittent during the CCM.
  • Page 418 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Replace if necessary, then go to Step 6. Access the PCM and monitor the IAT PID. While observing the PID, perform the following: Tap on the sensor to...
  • Page 419 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P0116 [MZI-3.5] DTC P0116 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0116 CHT sensor circuit range/performance Indicates the engine coolant temperature logic test has failed. This DTC indicates that the CHT value is higher than the calibrated value and could prevent 1 or more OBD monitors from completing.
  • Page 420 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 available? VERIFY RELATED PENDING Go to appropriate DTC inspection. CODE OR STORED DTC (See DTC TABLE [MZI-3.5].) Verify the related PENDING CODE or stored DTCs. Go to the next step.
  • Page 421 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0119 CHT sensor circuit intermittent/erratic DETECTION Indicates the ECT circuit became intermittently open or shorted while the CONDITION engine was running. Harness malfunction Connector or terminal malfunction...
  • Page 422 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Tap on the sensor to simulate road shock Wiggle the sensor connector Is there a large change in the voltage reading? INSPECT ELECTRONIC ENGINE Repair if necessary, then go to Step 7.
  • Page 423 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is same DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR Troubleshooting completed.
  • Page 424 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0122 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 425 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 426 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT TP GROUND CIRCUIT Go to the next step. FOR OPEN CIRCUIT Turn the ignition switch off. Repair or replace suspected part, then go to Step 9.
  • Page 427 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0123 [MZI-3.5] DTC P0123 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0123 TP sensor No.1 circuit high input DETECTION The TP sensor No.1 circuit was flagged as a concern by the PCM indicating a high CONDITION voltage.
  • Page 428 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0123 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 429 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 F (wiring harness-side) and body Go to the next step. ground. Is the voltage B+? INSPECT TP SENSOR SIGNAL Go to the next step. CIRCUITS FOR SHORT EACH...
  • Page 430 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0128 [MZI-3.5] DTC P0128 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0128 Coolant thermostat (coolant temp below thermostat regulating temperature)
  • Page 431 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to Step 5. Scalding engine coolant and steam may shoot out and cause serious injury. It may also damage the engine and cooling system. Turn off the engine and wait until it is cool.
  • Page 432 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE (See DTC TABLE [MZI-3.5].) Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0132, P0138, P0152, P0158 [MZI-3.5] DTC P0132, P0138, P0152, P0158 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 433 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE...
  • Page 434 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0132, P0138, P0152, P0158 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 435 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Perform the "INTERMITTENT Turn the ignition switch off. CONCERN TROUBLESHOOTING". Turn the ignition switch to the ON Then go to the next step. position (Engine off). Access the PCM and monitor the HO2S signal PID.
  • Page 436 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair if necessary. Then go to the next Disconnect all the PCM step. connectors. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly.
  • Page 437 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Contaminated HO2S Exhaust leaks Open circuit in wiring harness between PCM terminal 2Y (wiring harness- side) and front HO2S (RH) terminal B (wiring harness-side) Open circuit in wiring harness between PCM terminal 2BG (wiring harness-...
  • Page 438 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Fig. 11: HO2S Circuit Diagram Courtesy of MAZDA MOTORS CORP. DIAGNOSTIC PROCEDURE DTC P0133, P0139, P0153, P0159 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA...
  • Page 439 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 440 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 OPEN CIRCUIT IN WIRING Repair or replace suspected part, Then go HARNESS to Step 17. Turn the ignition switch off. Remove the jumper wire (s). Visually inspect the HO2S wiring...
  • Page 441 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 harness-side) and PCM Go to Step 10. terminal 2BG (wiring harness-side) PCM terminal 1BJ (wiring harness-side) and PCM terminal 2U (wiring harness-side) PCM terminal 1BJ (wiring harness-side) and PCM...
  • Page 442 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CIRCUITS FOR OPEN CIRCUIT IN Repair or replace suspected part, Then go WIRING HARNESS to Step 17. NOTE: Verify the wiring harness terminals are in the proper location.
  • Page 443 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, Then go Turn the ignition switch off. to Step 17. Disconnect the HO2S connector. Disconnect the PCM connector. Measure the resistance between...
  • Page 444 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is the resistance less than 5 ohms? INSPECT INTERNAL Go to the next step. RESISTANCE OF HO2S HEATER Measure the resistance between the suspect HO2S terminal A and Install a new HO2S.
  • Page 445 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The system is correctly. Go to the next Disconnect all the PCM step. connectors. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly.
  • Page 446 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and excessive current draw. DETECTION The test fails when the current draw exceeds a calibrated limit or an open or short CONDITION circuit is detected. Short to ground between HO2S terminal A and HO2S terminal C...
  • Page 447 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9...
  • Page 448 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0135, P0141, P0155, P0161 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 449 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 proper assembly. Is a concern present? INSPECT POWER SUPPLY IN Turn the ignition switch off. Go to the next WIRING HARNESS step. Disconnect suspect HO2S connector. Turn the ignition switch to the ON position (Engine off).
  • Page 450 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 HARNESS Repair or replace suspected part, Go to Step 12. For DTC P0135, measure the resistance between PCM terminal 2J and front HO2S (RH) terminal For DTC P0141, measure the...
  • Page 451 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The system is correctly. Go to the next Disconnect all the PCM step. connectors. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly.
  • Page 452 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Damaged or worn fuel pump Damaged or contaminated MAF sensor DIAGNOSTIC PROCEDURE DTC P0148 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step.
  • Page 453 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify that the battery is fully charged. Verify that there is clean sufficient fuel. Is a concern present? INSPECT ALL SYSTEM RELATED Go to the next step.
  • Page 454 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Pressurize the fuel system. Refer to the Workshop Fuel System for the Fuel System Pressure Release procedure to pressurize the fuel system. Compare the fuel pressure reading to the Fuel System Specification Chart.
  • Page 455 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. When the fuel pump is commanded off, the fuel pressure may substantially decrease and then stabilize. NOTE: During output state control, the fuel pump stays commanded on for only approx.
  • Page 456 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair the cause of the restriction. Then go Disconnect the fuel supply line at to the next step. the fuel pump. Check the fuel supply line for restriction.
  • Page 457 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The test fails when the adaptive fuel tables reach a rich calibrated limit. Fuel System: Damaged or leaking fuel pulse damper Fuel filter plugged or dirty Damaged or worn fuel pump...
  • Page 458 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 available? VERIFY RELATED PENDING Go to the appropriate DTC troubleshooting CODE OR STORED DTCS procedures. (See DTC TABLE [MZI-3.5].) Turn the ignition switch off then to the ON position (Engine off).
  • Page 459 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. engine load, when the vacuum leak represents a small portion of the total air flow When calculating the total fuel correction in the following...
  • Page 460 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 rpm less than 15%? LOCATE VACUUM LEAK Repair if necessary. Then go to the next step. CAUTION: Do not clamp or pinch a hard plastic hose. Use a vacuum cap or equivalent to restrict the hose.
  • Page 461 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 A vacuum leak is still present. Go to Step 101 °C {180-215 °F} and the intake air temperature less than 46 °C {115 °F}. Access the PCM and monitor the SHRTFT1 and SHRTFT2 PIDs.
  • Page 462 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Connect the HO2S connector. Relieve the fuel pressure. Connect the mechanical fuel pressure gauge. Pressurize the fuel system. Turn the ignition switch to the ON position (Engine running).
  • Page 463 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 for exposed wiring, contamination, Replace the HO2S. Then go to Step 13. corrosion and correct assembly. Repair if necessary. Measure the voltage between HO2S terminal B and D on the component side.
  • Page 464 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is the PENDING CODE for this DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR Troubleshooting completed.
  • Page 465 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 466 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Replace the fuel pump unit. NOTE: Then go to Step 9. For vehicle specific fuel pressure ranges, refer to the "FUEL LINE PRESSURE INSPECTION ". Remove the jumper wire(s).
  • Page 467 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Increase the engine speed to 2,000 rpm for 3 min. Turn the ignition switch to the ON position (Engine running). Monitor the signal voltage. Is the voltage more than 0.5 V at...
  • Page 468 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0201 [MZI-3.5] DTC P0201 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0201 Injector circuit/open-cylinder No.1...
  • Page 469 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0201 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 470 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT FUEL INJECTOR NO.1 Repair or replace suspected part, then go CONNECTOR FOR POOR to Step 8.
  • Page 471 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the fuel injector No. 1. (see FUEL INJECTOR INSPECTION [MZI-3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next DTC P0201 HAS BEEN COMPLETED step.
  • Page 472 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0202 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 473 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT FUEL INJECTOR NO.2 Repair or replace suspected part, then go CONNECTOR FOR POOR to Step 8.
  • Page 474 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the fuel injector No.2. (see FUEL INJECTOR INSPECTION [MZI-3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next DTC P0202 HAS BEEN COMPLETED step.
  • Page 475 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0203 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 476 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT FUEL INJECTOR NO.3 Repair or replace suspected part, then go CONNECTOR FOR POOR to Step 8.
  • Page 477 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the fuel injector No.3. (see FUEL INJECTOR INSPECTION [MZI-3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next DTC P0203 HAS BEEN COMPLETED step.
  • Page 478 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0204 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 479 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT FUEL INJECTOR NO.4 Repair or replace suspected part, then go CONNECTOR FOR POOR to Step 8.
  • Page 480 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the fuel injector No.4. (see FUEL INJECTOR INSPECTION [MZI-3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next DTC P0204 HAS BEEN COMPLETED step.
  • Page 481 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0205 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 482: Table Of Contents

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT FUEL INJECTOR NO.5 Repair or replace suspected part, then go CONNECTOR FOR POOR to Step 8.
  • Page 483 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the fuel injector No.5. (see FUEL INJECTOR INSPECTION [MZI-3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next DTC P0205 HAS BEEN COMPLETED step.
  • Page 484 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0206 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 485: Connector For Poor Connection

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT FUEL INJECTOR NO.6 Repair or replace suspected part, then go CONNECTOR FOR POOR to Step 8.
  • Page 486 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the fuel injector No.6. (see FUEL INJECTOR INSPECTION [MZI-3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next DTC P0206 HAS BEEN COMPLETED step.
  • Page 487 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0222 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 488: Turn The Ignition Switch To The On Position (Engine Off)

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 489: No Repair Or Replace Suspected Part, Then Go To Step

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, then go to Inspect for continuity between Step 9. throttle body connector terminal C (wiring harness-side) and PCM terminal 2AD (wiring harness- side).
  • Page 490 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0223 [MZI-3.5] DTC P0223 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0223 TP sensor No.2 circuit high input DETECTION The TP sensor No.2 circuit was flagged as a concern by the PCM indicating a high...
  • Page 491 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0223 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 492: No Repair Or Replace Suspected Part, Then Go To Step

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 493 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT TP SENSOR NO.2 Replace the throttle body, then go to Step Inspect the TP sensor No.2. (see THROTTLE POSITION (TP) SENSOR INSPECTION Go to the next step.
  • Page 494 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P0230 [MZI-3.5] DTC P0230 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0230 FP primary circuit The PCM monitors the fuel pump circuit output from the PCM. The test fails whe...
  • Page 495 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0230 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 496 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? VERIFY RELATED PENDING CODE Go to appropriate DTC inspection. OR STORED DTC (See DTC TABLE [MZI-3.5].) Verify the related PENDING CODE or stored DTCs.
  • Page 497 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 pump relay connector terminal E Go to the next step. (harness-side) and body ground. Is there continuity? INSPECT FUEL PUMP CONTROL Go to the next step. CIRCUIT FOR OPEN CIRCUIT Turn the ignition switch off.
  • Page 498 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0231 [MZI-3.5] DTC P0231 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0231 FP secondary circuit low DETECTION The PCM monitors the fuel pump monitor circuit. The test fails if the PCM comm CONDITION the fuel pump ON and B+ voltage is not detected on the FPM circuit.
  • Page 499 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0231 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 500 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 position (Engine off). to Step 9. Measure voltage between fuel pump relay connector terminal C (wiring harness-side) and body ground. Is voltage B+ ? INSPECT FUEL PUMP MONITOR Go to the next step.
  • Page 501 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P0232 [MZI-3.5] DTC P0232 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0232 FP secondary circuit high The PCM monitors the fuel pump monitor circuit. This test fails when the PCM de voltage on the fuel pump monitor circuit while the fuel pump is commanded OFF.
  • Page 502 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0232 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 503 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 availability. next step. Is any related Service Bulletins Go to the next step. available? VERIFY RELATED PENDING CODE Go to appropriate DTC inspection. OR STORED DTC (See DTC TABLE [MZI-3.5].) Verify the related PENDING CODE or stored DTCs.
  • Page 504 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT FUEL PUMP MONITOR Go to the next step. CIRCUIT FOR OPEN CIRCUIT Repair or replace suspected part, then go Turn the ignition switch off. to Step 10.
  • Page 505 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0297 [MZI-3.5] DTC P0297 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0297 Vehicle over speed condition...
  • Page 506 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 of the above conditions? VERIFY TROUBLESHOOTING OF Replace PCM, then go to the next step. DTC P0297 HAS BEEN (see PCM COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Verify that all disconnected connectors are reconnected.
  • Page 507 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 MAF sensor contamination Excess air suction in intake air system (between MAF/IAT sensor and dynamic chamber) Vacuum hoses damages or improper connection Fuel pump malfunction Fuel pressure regulator malfunction...
  • Page 508 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 stored DTCs. Are other DTCs present? VERIFY CURRENT INPUT Inspect the suspected circuit or part or both SIGNAL STATUS (KEY TO according to inspection results. ON/IDLE) (see PCM INSPECTION [MZI-3.5] .) Then go to Step 18.
  • Page 509 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. INSPECT IGNITION SYSTEM Go to the next step. OPERATION Perform the spark test. Repair or replace the malfunctioning part according to the spark test results, then go to Step 18.
  • Page 510 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECTION [MZI-3.5] .) Then go to Step 18. Go to Step 18. INSPECT FUEL LINE FROM FUEL Replace suspected fuel line, then go to Step PUMP TO FUEL DELIVERY PIPE...
  • Page 511 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 system work properly? INSPECT OPERATION OF PURGE Go to the next step. SOLENOID VALVE Inspect the purge control system Repair or replace the malfunctioning part operation. according to the purge control system inspection results, then go to Step 18.
  • Page 512 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. stop. Step back while the pressure escapes When you are sure all the pressure is gone, press down on the cap using the cloth, turn it, and remove it.
  • Page 513 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTC present? DTC P0301, P0302, P0303, P0304, P0305, P0306, P0316 [MZI-3.5] DTC P0301, P0302, P0303, P0304, P0305, P0306, P0316 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0301 P0301: Cylinder No.1 misfire detected...
  • Page 514 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 515 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (see SPARK PLUG Cracks REMOVAL/INSTALLATION Excess wear [MZI-3.5] .) Go to the next step. Is any problem found on the spark plug? INSPECT IGNITION SYSTEM Yes Go to the next step.
  • Page 516 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is there the misfire DTC for the cylinder which has a suspected fuel injector? INSPECT FOR AIR SUCTION AT Yes Repair or replace the suspected part, then INTAKE AIR SYSTEM go to Step 13.
  • Page 517 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 filling opening? Go to the next step. NOTE: Large bubbles are normal since they are remaining air coming from the engine coolant passage. INSPECT ENGINE COMPRESSION Yes Go to the next step.
  • Page 518 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The PCM is unable to learn and correct for mechanical inaccuracies in the DETECTION crankshaft pulse wheel tooth spacing. This DTC disables the misfire CONDITION monitor. Crankshaft pulse wheel teeth malfunction...
  • Page 519 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 for damaged teeth. Inspect the crankshaft pulse wheel for wobble. Check for a loose crankshaft pulse wheel. Check the CKP sensor for damage. Are the CKP sensor and...
  • Page 520 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE". Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0320 [MZI-3.5] DTC P0320 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0320 Ignition/distributor engine speed input circuit...
  • Page 521 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0320 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 522 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins available? VERIFY RELATED PENDING Go to the appropriate DTC CODE OR STORED DTCs troubleshooting.
  • Page 523 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 connector. Go to Step 8. Turn the ignition switch to the ON position [(Engine off). Measure the voltage between: CKP sensor terminal A on the wiring harness side and...
  • Page 524 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, Then go Turn the ignition switch off. to Step 13. Disconnect the PCM connector. Measure the resistance between: CKP sensor terminal A and...
  • Page 525 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CKP sensor connector B on the wiring harness side and battery negative Are any voltage present? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step.
  • Page 526 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Connector or terminal malfunction KS malfunction DIAGNOSTIC PROCEDURE DTC P0325 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 527 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 528 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Disconnect the PCM sensor connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Are there any malfunction? INSPECT KS (RH) CIRCUIT FOR Go to the next step.
  • Page 529 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0330 [MZI-3.5] DTC P0330 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 530 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0330 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 531 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins available? INSPECT KS CONNECTOR FOR Repair or replace suspected part, then go to POOR CONNECTION Step 9.
  • Page 532 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 connector. Go to the next step. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Are there any malfunction? INSPECT KS (LH) CIRCUIT FOR Go to the next step.
  • Page 533 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE". Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0340 [MZI-3.5] DTC P0340 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0340 CMP sensor (RH) circuit...
  • Page 534 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0340 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 535 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 536 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 disconnected. Turn the ignition switch to the ON position (Engine running). With the engine running, determine if the generator is still noisy. Does the noise remain constant...
  • Page 537 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Disconnect PCM connector. Check for poor connection (such as damaged, pulled-out pins, and corrosion). Are there any malfunction? INSPECT CMP SENSOR (RH) Go to the next step.
  • Page 538 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0344 [MZI-3.5] DTC P0344 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0344 CMP sensor (RH) circuit intermittent DETECTION The test fails when the PCM detects an intermittent signal from the CMP sensor.
  • Page 539 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0344 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 540 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 541 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 disconnected. Turn the ignition switch to the ON position (Engine running). With the engine running, determine if the generator is still noisy. Does the noise remain constant...
  • Page 542 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Disconnect PCM connector. Check for poor connection (such as damaged, pulled-out pins, and corrosion). Are there any malfunction? INSPECT CMP SENSOR (RH) Go to the next step.
  • Page 543 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0345 [MZI-3.5] DTC P0345 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0345 CMP sensor (LH) circuit...
  • Page 544 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0345 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 545 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 546 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 disconnected. Turn the ignition switch to the ON position (Engine running). With the engine running, determine if the generator is still noisy. Does the noise remain constant...
  • Page 547 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Disconnect PCM connector. Check for poor connection (such as damaged, pulled-out pins, and corrosion). Are there any malfunction? INSPECT CMP SENSOR (LH) Go to the next step.
  • Page 548 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0349 [MZI-3.5] DTC P0349 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0349 CMP sensor (LH) circuit intermittent...
  • Page 549 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0349 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 550 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 551 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 disconnected. Turn the ignition switch to the ON position (Engine running). With the engine running, determine if the generator is still noisy. Does the noise remain constant...
  • Page 552 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Disconnect PCM connector. Check for poor connection (such as damaged, pulled-out pins, and corrosion). Are there any malfunction? INSPECT CMP SENSOR (LH) Go to the next step.
  • Page 553 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0351, 0352, 0353, 0354, 0355, 0356 [MZI-3.5] DTC P0351, 0352, 0353, 0354, 0355, 0356 (MZI-3.5) DETECTION CONDITION AND POSSIBLE...
  • Page 554 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0351, 0352, 0353, 0354, 0355, 0356 (MZI-3.5) DIAGNOSTIC PROCEDURE...
  • Page 555 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 556 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 ignition coil terminal C (wiring Go to the next step. harness-side) and body ground. Is the voltage B+ ? INSPECT IGNITION COIL SIGNAL Repair or replace suspected part, then go to CIRCUIT FOR SHORT TO Step 10.
  • Page 557 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 C (wiring harness-side) and PCM terminal 2AA (wiring harness-side) Ignition coil No.6 terminal C (wiring harness-side) and PCM terminal 2AE (wiring harness-side) Are there continuity? INSPECT IGNITION COIL Go to the next step.
  • Page 558 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0420, P0430 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0420 P0420: Catalyst system efficiency below threshold (RH) DTC P0430 P0430: Catalyst system efficiency below threshold (LH)
  • Page 559 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins available? VERIFY RELATED PENDING Go to the appropriate DTC CODE OR STORED DTCs troubleshooting.
  • Page 560 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is the PENDING CODE for this DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE".
  • Page 561 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step.
  • Page 562 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Replace a new component if necessary. Go Connect the EVAP system tester to Step 7. SST 218-0002 or equivalent to the EVAP test port. Perform the EVAP System Leak Test.
  • Page 563 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 displays "13.80"and "14.20")? INSPECT FOR LEAKS IN Repair or replace the component if COMPLETE EVAP SYSTEM necessary. Go to Step 12. Verify CV solenoid valve is closed.
  • Page 564 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 BETWEEN FUEL TANK VAPOR the next step. TUBE AND FUEL TANK FILLER PIPE Transfer the plug from the fuel vapor hose joint to the fuel tank vapor tube.
  • Page 565 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P0443 [MZI-3.5] DTC P0443 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 566 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0443 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 567 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT PURGE SOLENOID Repair or replace suspected part, then go to VALVE CONNECTOR FOR POOR Step 10.
  • Page 568 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the ignition switch off. Disconnect PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction? INSPECT PURGE SOLENOID Go to the next step.
  • Page 569 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE". Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0446 [MZI-3.5] DTC P0446 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0446 CV solenoid valve control circuit Monitors the CV solenoid valve circuit for an electrical failure.
  • Page 570 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0446 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 571 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Is any related Service Bulletins available? INSPECT CV SOLENOID VALVE Repair or replace suspected part, then go to CONNECTOR FOR POOR Step 10.
  • Page 572 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the ignition switch off. Disconnect PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction? INSPECT CV SOLENOID VALVE Go to the next step.
  • Page 573 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0451 [MZI-3.5] DTC P0451 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 574 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 available? VERIFY RELATED PENDING Go to the appropriate DTC CODE OR STORED DTCs troubleshooting. (See DTC TABLE [MZI-3.5].) Turn the ignition switch off then to the ON position (Engine off).
  • Page 575 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The system is correctly. Go to the next Disconnect all the PCM step. connectors. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly.
  • Page 576 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DETECTION sensor input signal to the PCM. The test fails when the signal average drops below CONDITION minimum allowable calibrated parameter. Fuel tank pressure sensor malfunction Connector or terminal malfunction...
  • Page 577 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0452 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 578 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Measure resistance between PCM terminal 1AB (wiring harness- side) and PCM terminal 1AL (wiring harness-side) Is the resistance more than 10 kilohms? INSPECT FUEL TANK PRESSURE Go to the next step.
  • Page 579 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The PCM monitors the evaporative emission (EVAP) control system fuel tank pre DETECTION sensor input signal to the PCM. The test fails when the signal average jumps abov CONDITION minimum allowable calibrated parameter.
  • Page 580 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0453 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 581 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform the repair or diagnosis according INFORMATION AVAILABILITY to the available repair information. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 582 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is there any malfunction? VERIFY FUEL TANK PRESSURE Go to the next step. SENSOR CIRCUIT FOR OPEN CIRCUIT Inspect for continuity between the following circuits: Repair or replace suspected part, then go to Fuel tank pressure sensor Step 9.
  • Page 583 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 REMOVAL/INSTALLATION [MZI- Make sure to reconnect all 3.5] .) disconnected connectors. Turn ignition switch to the ON position (Engine off). Clear the DTC from the PCM memory using the M-MDS.
  • Page 584 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins available? VERIFY RELATED PENDING Go to the appropriate DTC CODE OR STORED DTCs troubleshooting.
  • Page 585 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONDITION EVAP system when there is -1.74 kPa (PID FTP_H2O displays "-7.0" or less vacuum for a 30 seconds evaluation time. After-market EVAP hardware (such as fuel-filler cap) not conforming to required specifications.
  • Page 586 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 EVAP SYSTEM LEAK necessary. (see FUEL TANK REMOVAL/INSTALLATION [MZI- Check for the presence of a fuel- 3.5] .) filler cap. Do not tighten or check (see FUEL TANK PRESSURE for correct installation at this time.
  • Page 587 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 position (Engine off). Replace the fuel tank vapor line(s). Go to Step 8. Using M-MDS tester, select the Diagnostic Data Link. Select the PCM. Select the Active Command Modes.
  • Page 588 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Verify that all disconnected connectors are reconnected. Turn the ignition switch to the ON position (Engine off). Clear the DTC from the PCM memory using the M-MDS.
  • Page 589 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 availability. Go to the next step. Is any related Service Bulletins available? VERIFY RELATED PENDING Go to the appropriate DTC CODE OR STORED DTCs troubleshooting. (See DTC TABLE [MZI-3.5].) Turn the ignition switch off then to the ON position (Engine off).
  • Page 590 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 position (Engine off). Go to the next step. Clear the DTC from the PCM memory using the M-MDS. Start the engine and run it at idle. Retrieve DTCs using the M-MDS.
  • Page 591 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 the repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY REPAIR INFORMATION Perform repair or diagnosis according to AVAILABILITY the available Service Bulletins. If the vehicle is not repaired, go to the next step.
  • Page 592 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0461 [MZI-3.5] DTC P0461 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 593 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY STORED DTC IN Go to the appropriate DTC inspection. INSTRUMENT CLUSTER (see DTC TABLE [INSTRUMENT CLUSTER] .) Turn the ignition switch off then to the ON position (Engine off).
  • Page 594 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Fuel pump malfunction Incorrectly installed fuel gauge POSSIBLE CAUSE Instrument cluster malfunction Fuel gauge malfunction Fuel level input signal circuit malfunction DIAGNOSTIC PROCEDURE DTC P0462 (MZI-3.5) DIAGNOSTIC PROCEDURE...
  • Page 595 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 connectors reconnected. Go to the next step. Clear the DTC from the PCM memory using the M-MDS. Perform the "KOEO/KOER self- test". (See KOEO/KOER SELF TEST [MZI-3.5].)
  • Page 596 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record the FREEZE FRAME DATA on Has FREEZE FRAME DATA the repair order, then go to the next step. been recorded? VERIFY REPAIR INFORMATION Perform repair or diagnosis according to AVAILABILITY the available Service Bulletins.
  • Page 597 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0480 [MZI-3.5] DTC P0480 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 598 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 terminal 1AM Short to ground circuit between fan control module terminal 1 B and PCM terminal 1 AM Open circuit between fan control module terminal 1C and cooling fan relay...
  • Page 599 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0480 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 600 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, then go to Measure voltage between the Step 10. following circuits: Dual fan control module Fan control module No.1 terminal 1A (wiring harness-side) and body ground.
  • Page 601 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the ignition switch to the ON position (Engine off). Measure the voltage between the following circuits: Dual fan control module Fan control module No. 1...
  • Page 602 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT PCM CONNECTOR FOR Repair or replace suspected part, then go to POOR CONNECTION Step 10. Turn the ignition switch off. Disconnect PCM connector. Inspect for poor connection (such Go to the next step.
  • Page 603 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See KOEO/KOER SELF TEST Go to the next step. [MZI-3.5].) Are any DTCs present? VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR...
  • Page 604 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 605 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECTION [MZI-3.5] .) Is the engine compression normal? INSPECT FOR RESTRICTION IN Replace malfunctioning part, then go to EXHAUST SYSTEM AND TWC the next step. Go to the next step.
  • Page 606 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Sludged throttle body Vacuum leakage POSSIBLE CAUSE Throttle body malfunction PCM malfunction DIAGNOSTIC PROCEDURE DTC P0506 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step.
  • Page 607 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PASSAGE then go to the next step. Go to the next step. Is the throttle body clogged? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step.
  • Page 608 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 609 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 connectors reconnected. Go to the next step. Start the engine. Clear the DTC from the PCM memory using the M-MDS. Depress brake pedal for 14 s or more .
  • Page 610 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 611 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 EXHAUST SYSTEM AND TWC the next step. Go to the next step. Is there any restriction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step.
  • Page 612 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Short to ground circuit between PCV valve heater fitting terminal B and PCM term Short to power circuit between PCV valve heater control terminal B and PCM term...
  • Page 613 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9...
  • Page 614 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P053A (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 615 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT PCV VALVE HEATER Repair or replace suspected part, then go to CONTROL AND PCV VALVE Step 10. HEATER FITTING CIRCUIT FOR SHORT TO POWER SUPPLY Turn the ignition switch to the ON position (Engine off).
  • Page 616 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, then go to Inspect for continuity between the Step 10. following circuit: PCV valve heater control terminal B (wiring harness- side) and PCM terminal...
  • Page 617 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0579 [MZI-3.5]...
  • Page 618 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0579 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 619 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 availability. Go to the next step. Is any related Service Bulletins available? INSPECT CRUISE CONTROL Repair or replace suspected part, then go to SWITCH CONNECTOR FOR POOR Step 9.
  • Page 620 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next Step. Disconnect the PCM connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Are there any malfunction? INSPECT CRUISE CONTROL Go to the next step.
  • Page 621 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Retrieve DTCs using the M-MDS. Is the PENDING CODE for this DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR...
  • Page 622 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0581 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 623 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 availability. Go to the next step. Is any related Service Bulletins available? INSPECT CRUISE CONTROL Repair or replace suspected part, then go to SWITCH CONNECTOR FOR POOR Step 8.
  • Page 624 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 terminal B and PCM terminal 1AT Cruise control switch terminal C and PCM terminal 1AP Is there continuity? INSPECT CRUISE CONTROL Replace the cruise control switch, then go SWITCH to the next step.
  • Page 625 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0600 [MZI-3.5] DTC P0600 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0600 Serial communication link DETECTION Indicates an error occurred in the PCM. This DTC may be set alone or in CONDITION combination with P2105.
  • Page 626 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 connectors are reconnected. Go to the next step. Turn the ignition switch to the ON position (Engine off). Clear the DTC from the PCM memory using the M-MDS.
  • Page 627 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 availability. Reprogram the vehicle ID using the M- MDS, then go to the next step. Is any related Service Bulletins available? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step.
  • Page 628 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Loose battery connection DIAGNOSTIC PROCEDURE DTC P0603 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step.
  • Page 629 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY available Service Bulletins.
  • Page 630 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 The system is correctly. Go to the next Visually inspect for: step. Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly.
  • Page 631 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONDITION Module reprogramming POSSIBLE CAUSE Aftermarket performance products. PCM malfunction DIAGNOSTIC PROCEDURE DTC P0604 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step.
  • Page 632 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Procedure". Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0605 [MZI-3.5] DTC P0605 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0605 PCM read only memory (ROM) error DETECTION The PCM ROM has been corrupted.
  • Page 633 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 memory using the M-MDS. Go to next step. Perform the "KOEO and KOER self-test". (See KOEO/KOER SELF TEST [MZI-3.5].) Retrieve DTCs using the M-MDS. Is the PENDING CODE for this...
  • Page 634 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Perform PCM reprograming using the M- Is any related Service Bulletins MDS, then go to next step. available? VERIFY TROUBLESHOOTING OF Replace the PCM, go to the next step.
  • Page 635 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 636 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P060A, P060C, P061D (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P060A P060A: Internal control module monitoring processor performance DTC P060C P060C: Internal control module main processor performance...
  • Page 637 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 3.5] .) Disconnect all the PCM connectors. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly. Go to the next step.
  • Page 638 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P060B Internal control module A/D processing performance DETECTION Indicates that an error occurred in the PCM. CONDITION POSSIBLE CAUSE PCM malfunction DIAGNOSTIC PROCEDURE DTC P060B (MZI-3.5) DIAGNOSTIC PROCEDURE...
  • Page 639 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly. Retrieve DTCs using the M-MDS.
  • Page 640 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONDITION Module reprogramming POSSIBLE CAUSE Aftermarket performance products. PCM malfunction. DIAGNOSTIC PROCEDURE DTC P0610 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step.
  • Page 641 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform the "After Repair Procedure". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P061B [MZI-3.5] DTC P061B (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 642 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 stored DTCs. Go to the next step. Is other DTCs present? INSPECT FOR CORRECT PCM Replace the PCM, then go to the next step. OPERATION (see PCM REMOVAL/INSTALLATION [MZI- 3.5] .)
  • Page 643 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P061C [MZI-3.5] DTC P061C (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P061C Internal control module engine RPM performance DETECTION Indicates that a calculation error occurred in the PCM.
  • Page 644 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 SENT TO PCM Inspect the CKP sensor or related harness. Repair or replace suspected part, then go to the next step. NOTE: The battery should be fully charged and the starting system should be functioning properly.
  • Page 645 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Retrieve the DTCs using the M- MDS. Is the PENDING CODE for this DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection.
  • Page 646 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CODE OR STORED DTCs troubleshooting. (See DTC TABLE [MZI-3.5].) Turn the ignition switch off then to the ON position (Engine off). Verify related pending code or Go to the next step.
  • Page 647 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P0620 [MZI-3.5] DTC P0620 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0620 Generator control circuit DETECTION The PCM reads the generator and sends a DTC through the network when the CONDITION generator indicates a concern.
  • Page 648 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0620 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 649 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 650 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Turn the engine switch off. Inspect for poor connection (such as damaged/pulled-out terminals, corrosion). Are there any malfunction? INSPECT GENERATOR CIRCUIT Go to the next step.
  • Page 651 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 memory using the M-MDS. Go to the next step. Perform the "KOEO or KOER self-test" using the M-MDS. (See KOEO/KOER SELF TEST [MZI-3.5].) Is the PENDING CODE for the...
  • Page 652 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0625 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 653 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 654 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT GENERATOR CIRCUIT Go to the next step. FOR OPEN CIRCUIT Repair or replace suspected part, then go to Inspect the continuity between Step 10. generator terminal B (wiring...
  • Page 655 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0626 [MZI-3.5] DTC P0626 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0626 Generator field terminal circuit high...
  • Page 656 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0626 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 657 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 658 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, then go to Inspect for continuity between Step 9. generator terminal RC (wiring harness-side) and PCM terminal 2S (wiring harness-side). Is there continuity?
  • Page 659 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P0642 [MZI-3.5] DTC P0642 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0642 Sensor reference voltage circuit low DETECTION Indicates the reference voltage circuit is lower than reference voltage minimum.
  • Page 660 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0642 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED. Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 661 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 662 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECTION [MZI-3.5] .) Go to the next step. Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step. DTC P0642 HAS BEEN...
  • Page 663 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0643 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED. Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 664 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 665 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (see FUEL TANK PRESSURE Go to the next step. SENSOR INSPECTION [MZI- 3.5] .) Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step.
  • Page 666 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Open circuit in wiring between A/C relay terminal E and PCM terminal 1N POSSIBLE CAUSE Short to ground in wiring between A/C relay terminal E and PCM terminal 1 N...
  • Page 667 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9...
  • Page 668 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0645 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 669 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Measure voltage between A/C relay terminal A (wiring harness- side) and body ground. Is voltage B+ ? INSPECT A/C RELAY CONTROL Repair or replace suspected part, then go to CIRCUIT FOR SHORT TO POWER Step 12.
  • Page 670 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT A/C RELAY Go to the next step. Replace the A/C relay. Start the engine. Inspect A/C relay. Turn on the A/C switch. Wait for 15 s .
  • Page 671 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P0685 [MZI-3.5] DTC P0685 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0685 ECM/PCM power relay control circuit/open This DTC sets when the ignition switch position run circuit indicates the key is in...
  • Page 672 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9...
  • Page 673 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P0685 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 674 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Verify that all disconnected connectors reconnected. Clear the DTC from the PCM memory using the M-MDS. Perform the "KOEO or KOER self-test" using the M-MDS.
  • Page 675 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE...
  • Page 676 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0689 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 677 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CIRCUIT FOR OPEN CIRCUIT Repair or replace suspected part, then go to Step 7. Turn the ignition switch to the ON position (Engine off). Measure the voltage between PCM terminal 1 BD (wiring harness-side) and body ground.
  • Page 678 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0690 [MZI-3.5] DTC P0690 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P0690 ECM/PCM power relay sense circuit high This DTC sets when the passive anti theft system (PATS) system indicates the key...
  • Page 679 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE...
  • Page 680 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P0690 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 681 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 OPERATION The system is correctly. Go to the next step. Disconnect all the PCM connectors. Visually inspect for: Pushed out pins Corrosion Connect all the PCM connectors and verify that they seat correctly.
  • Page 682 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DETECTION P1000 indicates that the OBD-II monitor testing is not complete. CONDITION The vehicle is new from the factory and has not yet completed an OBD-II Drive Cycle.
  • Page 683 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See OBD-II DRIVE MODE [MZI- Has the customer requested DTC 3.5].) P1000 be cleared from the PCM Inform customer that if the law in the memory? state requires additional driving in order...
  • Page 684 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 685 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Retrieve DTCs using the M-MDS. Is the PENDING CODE for this DTC present? VERIFY AFTER REPAIR Go to the applicable DTC inspection.
  • Page 686 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P1101 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to next step.
  • Page 687 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY available Service Bulletins. Verify related Service Bulletins If vehicle is not repaired, go to next availability. step. Is any related Service Bulletins Go to the next step.
  • Page 688 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair or replace suspected part, then go to Inspect continuity between MAF Step 10. sensor terminal C (wiring harness- side) and PCM terminal 1AJ (wiring harness-side). Is there continuity?
  • Page 689 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE (See DTC TABLE [MZI-3.5].) Perform "AFTER REPAIR PROCEDURE". Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P1127 [MZI-3.5] DTC P1127 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 690 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Perform the KOER self-test, then go to the Turn the ignition switch to the ON next step. position (Engine running) (See KOEO/KOER SELF TEST [MZI- Verify that the engine is at normal 3.5].)
  • Page 691 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 POSSIBLE CAUSE Sludge around the throttle plate DIAGNOSTIC PROCEDURE DTC P115E (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 692 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step. DTC P115E HAS BEEN (see PCM COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Verify that all disconnected connectors reconnected.
  • Page 693 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 694 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 1 second of operation. For Does the engine start? intermittent Stalls while driving, verify the M-MDS tester to PCM communication during concern. If a PCM communication error...
  • Page 695 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P1285 P1285: Cylinder head over temperature condition DTC P1299 P1299: Cylinder head over temperature protection active P1285 indicates that an engine overheat condition was sensed by the CHT sensor.
  • Page 696 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair if necessary. Then go to the next very careful when removing the step. cap. Wrap a thick cloth around it and slowly turn it counterclockwise to the first stop.
  • Page 697 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is there any malfunction? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step. DTC P1285, P1299 HAS BEEN (see PCM COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Verify that all disconnected connectors are reconnected.
  • Page 698 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY FREEZE FRAME DATA Go to next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to next step. Has FREEZE FRAME DATA...
  • Page 699 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC present? VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step. DTC P1288 HAS BEEN (see PCM COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Verify that all disconnected connectors reconnected.
  • Page 700 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P1289 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 701 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 702 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CHT sensor terminal B (wiring harness-side) and PCM terminal 2AN (wiring harness-side). Are there continuity? INSPECT CHT SENSOR Replace the CHT sensor, then go to the next step.
  • Page 703 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P1290 CHT sensor circuit low input DETECTION Indicates a CHT sensor circuit short to ground. CONDITION Short to ground in wiring harness between CHT sensor terminal B and PCM term...
  • Page 704 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P1290 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 705 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Verify that all disconnected connectors reconnected. Clear the DTC from the PCM memory using the M-MDS. Perform the KOEO or KOER self- test using the M-MDS.
  • Page 706 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 repair order, then go to the next step. Has FREEZE FRAME DATA been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 707 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONNECTION Go to the next step. Disconnect the CKP sensor connector. Inspect for poor connection (such as damaged/pulled-out pins, corrosion). Is there any malfunction? INSPECT CKP SENSOR...
  • Page 708 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step. DTC P1336 HAS BEEN (see PCM COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Make sure to reconnect all disconnected connectors.
  • Page 709 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and/or on-line repair information the next step. availability. Is any related Service Bulletins Go to the next step. available? INSPECT THE BATTERY Inspect charging system. (see QUICK DIAGNOSTIC CHART [MZI-3.5] .)
  • Page 710 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONDITION P1450 indicates the Self-Test has detected that the EVAP system is unable to bleed up fuel tank vacuum. POSSIBLE CAUSE Blockages or kinks in the charcoal canister tube or purge solenoid valve outlet tube (between fuel tank, CV solenoid valve and charcoal canister).
  • Page 711 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair the hoses, tubes or components if Verify kinks or bends in the fuel necessary. Go to Step 9. vapor hoses and tubes. Visually inspect the charcoal...
  • Page 712 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 2.80 V? EVAP SYSTEM LEAK TEST Go to the next step. Connect all disconnected connectors and hoses. Leakage still exists. Perform the EVAP system leak Locate leak point and repair.
  • Page 713 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONDITION malfunction. Open circuit between PCV valve heater control terminal A and main relay No.1 Open circuit between PCV valve heater fitting terminal A and main relay No.1...
  • Page 714 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Fig. 12: PCV Heater Control Circuit Diagram Courtesy of MAZDA MOTORS CORP.
  • Page 715 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P145E (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 716 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT PCV VALVE HEATER Repair or replace suspected part, then go to CONTROL AND PCV VALVE Step 9. HEATER FITTING CIRCUIT FOR SHORT TO GROUND Turn the ignition switch off.
  • Page 717 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Inspect the PCV valve heater control and PCV valve heater fitting. (see POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION [MZI-3.5]. ) (see POSITIVE CRANKCASE...
  • Page 718 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DETECTION The DTC sets when the PCM receives a request for A/C during the self-test. CONDITION A/C or defrost on during self-test A/C relay circuit short to voltage...
  • Page 719 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY TROUBLESHOOTING OF Replace the PCM, then go to the next step. DTC P1464 HAS BEEN (see PCM COMPLETED REMOVAL/INSTALLATION [MZI- 3.5] .) Verify that all disconnected connectors reconnected.
  • Page 720 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step. Has FREEZE FRAME DATA...
  • Page 721 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P1501 [MZI-3.5] DTC P1501 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P1501 Vehicle speed sensor (VSS) out of self-test range Indicates that the vehicle speed input signal is out of the self-test range. If...
  • Page 722 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Verify that all disconnected connectors reconnected. Clear the DTC from the PCM memory using the M-MDS. Perform the "KOEO or KOER self-test" using the M-MDS.
  • Page 723 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P1633 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 724 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 725 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE". (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P1635 [MZI-3.5] DTC P1635 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES...
  • Page 726 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Access the data of the tire size. Is it the same as a equipped tire? VERIFY GENUINE TIRES ARE Go to the next step. INSTALLED Change to the genuine tire, then go to the next step.
  • Page 727 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P1639 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 728 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P1650 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P1650 PSP switch out of self-test range In the KOEO self-test, this DTC indicates the PSP input to the PCM is high.
  • Page 729 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY available Service Bulletins. Verify related Service Bulletins If vehicle is not repaired, go to next and/or on-line repair information step.
  • Page 730 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INSPECT FOR CORRECT PCM Go to the next step. OPERATION Disconnect all the PCM connectors. The system is correctly. Go to the next step. Visually inspect for:...
  • Page 731 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DTC P1674 Control module software corrupted DETECTION Indicates that an error occurred in the PCM. This DTC is set in combination CONDITION with P2105. Software incompatibility issue...
  • Page 732 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 PROCEDURE". Troubleshooting completed. (see KOEO/KOER SELF TEST [MZI-3.5].) Are any DTC present? DTC P1703 [MZI-3.5] DTC P1703 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P1703 Brake switch out of self-test range...
  • Page 733 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P1703 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to next step.
  • Page 734 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 availability. step. Is any related Service Bulletins Go to next step. available? VERIFY THE BRAKE PEDAL WAS Go to next step. APPLIED Perform the KOER self-test. Apply and release the brake pedal during...
  • Page 735 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify the following values when the brake pedal to the floor and releasing. Brake pedal fully depressed: more than 10 V Brake pedal fully released: less than 1.0 V...
  • Page 736 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P2100 [MZI-3.5] DTC P2100 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P2100...
  • Page 737 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2100 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 738 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins...
  • Page 739 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Throttle body terminal B and PCM terminal 2BR Are there continuity? INSPECT TP SENSOR SIGNAL Go to the next step. CIRCUITS FOR SHORT EACH OTHER Turn the ignition switch off.
  • Page 740 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform "AFTER REPAIR PROCEDURE". Troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P2101 [MZI-3.5]...
  • Page 741 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2101 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 742 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins...
  • Page 743 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 connectors reconnected. Go to the next step. Start the engine. Clear DTC from PCM memory using M-MDS. Perform the "KOEO/KOER Self- Test". (See KOEO/KOER SELF TEST [MZI-3.5].)
  • Page 744 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Perform the PCM reprogramming procedure.
  • Page 745 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Clear the DTC from the PCM memory using the M-MDS. Perform the KOEO and KOER self test. Retrieve DTCs using the M-MDS.
  • Page 746 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2107 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record the FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 747 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins...
  • Page 748 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Inspect the throttle actuator. (see INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [MZI- (see THROTTLE BODY 3.5] .) INSPECTION [MZI-3.5] .) Go to the next step. Is there any malfunction? INSPECT FOR CORRECT PCM Go to the next step.
  • Page 749 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P2111 [MZI-3.5] DTC P2111 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P2111 Throttle actuator control system - stuck open DETECTION This PCM fault status indicates the throttle plate is at a more angle than command...
  • Page 750 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2111 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 751 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 752 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Turn the ignition switch off. Remove the air hose from the throttle body. Visually inspect for throttle plate obstructions or sludge. Slowly, push the throttle plate to wide open and release.
  • Page 753 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Make sure the throttle body connector is properly connected. Turn the ignition switch off. Inspect the throttle actuator control motor for damaged housing, wiring harness connector, and wiring harness.
  • Page 754 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 (See AFTER REPAIR Troubleshooting completed. PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P2112 [MZI-3.5] DTC P2112 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P2112 Throttle actuator control system - stuck closed...
  • Page 755 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2112 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED...
  • Page 756 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Record FREEZE FRAME DATA on the Has FREEZE FRAME DATA repair order, then go to the next step. been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins.
  • Page 757 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Turn the ignition switch off. Remove the air hose from the throttle body. Visually inspect for throttle plate obstructions or sludge. Slowly, push the throttle plate to wide open and release.
  • Page 758 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Make sure the throttle body connector is properly connected. Turn the ignition switch off. Inspect the throttle actuator control motor for damaged housing, wiring harness connector, and wiring harness.
  • Page 759 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Are any DTCs present? DTC P2121, P2126, P2131 [MZI-3.5] DTC P2121, P2126, P2131 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P2121 APP sensor No.1 circuit range/performance DTC P2126 APP sensor No.2 circuit range/performance...
  • Page 760 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2121, P2126, P2131 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 761 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 762 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Repair if necessary.Then go to Step 12. Turn the ignition switch off. Disconnect the APP sensor connector. Turn the ignition switch to the ON position (Engine off).
  • Page 763 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 ohms B and C or G: 580-1,340 ohms D or F and C or G: 200-470 ohms Are all the resistances within specifications? INSPECT APP SENSOR SIGNAL Go to the next step.
  • Page 764 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 body ground P2131: APP sensor terminal B and body ground Are there continuity? INSPECT APP SENSOR SIGNAL Repair or replace suspected part, then go CIRCUIT FOR SHORT TO POWER to Step 12.
  • Page 765 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 E and B Repair or replace suspected part, then go to the next step. E and D or F E and C or G P2126 H and E...
  • Page 766 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Troubleshooting completed. Perform "AFTER REPAIR PROCEDURE". (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTCs present? DTC P2122 [MZI-3.5] DTC P2122 (MZI-3.5) DETECTION CONDITION AND POSSIBLE CAUSES DTC P2122 APP sensor No.1 circuit low input...
  • Page 767 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2122 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 768 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 769 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 POSITION (APP) SENSOR Go to the next step. INSPECTION [MZI-3.5]. ) Is there any malfunction? INSPECT PCM CONNECTOR FOR Repair or replace suspected part, then go to POOR CONNECTION Step 7.
  • Page 770 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Open circuit wiring harness between APP sensor terminal C and PCM terminal 1A Open circuit wiring harness between APP sensor terminal E and PCM terminal 1A Short to power supply in wiring harness between APP sensor terminal F and PCM...
  • Page 771 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2123 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 772 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 773 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 harness-side). Repair or replace suspected part, then go to Step 8. APP sensor terminal F and PCM terminal 1BA. APP sensor terminal D and PCM terminal 1Y.
  • Page 774 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE". DTC troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P2127 [MZI-3.5]...
  • Page 775 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2127 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 776 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 777 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 POSITION (APP) SENSOR Go to the next step. INSPECTION [MZI-3.5]. ) Is there any malfunction? INSPECT PCM CONNECTOR FOR Repair or replace suspected part, then go to POOR CONNECTION Step 7.
  • Page 778 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Open circuit wiring harness between APP sensor terminal C and PCM terminal 1A Open circuit wiring harness between APP sensor terminal H and PCM terminal 1A Short to power supply in wiring harness between APP sensor terminal F and PCM...
  • Page 779 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2128 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 780 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 781 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 harness-side). Repair or replace suspected part, then go to Step 8. APP sensor terminal F and PCM terminal 1BA. APP sensor terminal D and PCM terminal 1Y.
  • Page 782 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE". DTC troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P2132 [MZI-3.5]...
  • Page 783 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2132 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 784 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 785 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 POSITION (APP) SENSOR Go to the next step. INSPECTION [MZI-3.5]. ) Is there any malfunction? INSPECT PCM CONNECTOR FOR Repair or replace suspected part, then go to POOR CONNECTION Step 7.
  • Page 786 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Open circuit wiring harness between APP sensor terminal C and PCM terminal 1A Open circuit wiring harness between APP sensor terminal B and PCM terminal 1A Short to power supply in wiring harness between APP sensor terminal F and PCM...
  • Page 787 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2133 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 788 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 been recorded? VERIFY RELATED REPAIR Perform repair or diagnosis according to INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step.
  • Page 789 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 harness-side). Repair or replace suspected part, then go to Step 8. APP sensor terminal F and PCM terminal 1BA. APP sensor terminal D and PCM terminal 1Y.
  • Page 790 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY AFTER REPAIR Go to the applicable DTC inspection. PROCEDURE (See DTC TABLE [MZI-3.5].) Perform the "AFTER REPAIR PROCEDURE". DTC troubleshooting completed. (See AFTER REPAIR PROCEDURE [MZI-3.5].) Are any DTC present? DTC P2135 [MZI-3.5]...
  • Page 791 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DTC P2135 (MZI-3.5) DIAGNOSTIC PROCEDURE STEP INSPECTION ACTION...
  • Page 792 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 VERIFY FREEZE FRAME DATA Go to the next step. HAS BEEN RECORDED Record the FREEZE FRAME DATA on the repair order, then go to the next step.
  • Page 793 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 body ground. Go to the next step. Throttle body terminal C (wiring harness-side) and body ground. Are there voltage B+ ? INSPECT TP SENSOR SIGNAL Go to the next step.
  • Page 794 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 CONDITION rich condition. The test fails when the fuel control system no longer detects switching for a calibrated amount of time. Front HO2S malfunction Fuel injector malfunction...
  • Page 795 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 FREEZE FRAME DATA? VERIFY CURRENT INPUT SIGNAL Go to the next step. STATUS Connect the M-MDS to the DLC- Inspect the malfunctioning part according Verify the following PIDs.
  • Page 796 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 the intake-air system. Go to the next step. Is there any malfunction? VERIFY CURRENT INPUT SIGNAL Go to the next step. STATUS OF MAF SENSOR Connect the M-MDS to the DLC- Replace the MAF/IAT sensor, then go to Start the engine.
  • Page 797 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Replace the fuel pump unit, then go to the Visually inspect for fuel leakage in next step. the fuel system. (see FUEL PUMP UNIT Is there fuel leakage? REMOVAL/INSTALLATION [MZI- 3.5] .)
  • Page 798 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Front HO2S malfunction Fuel injector malfunction Insufficient fuel line pressure Leakage exhaust gas POSSIBLE CAUSE Air suction at intake-air system malfunction Leakage fuel MAF sensor malfunction ECT sensor malfunction...
  • Page 799 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Inspect the malfunctioning part according Connect the M-MDS to the DLC- to the inspection results. Then go to Step 11. Verify the following PIDs. (see PCM INSPECTION [MZI- 3.5] .)
  • Page 800 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Access the MAF PID. Verify that the MAF PID changes quickly according to engine speed. Is the PID normal? INSPECT FRONT HO2S Inspect the related wiring harnesses If there is no malfunction Replace the HO2S, then go to Step 11.
  • Page 801 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Go to the next step. Perform no load racing at the engine speed of 2,500-3,500 rpm for 60s or more, then idle the engine for 60s or more.
  • Page 802 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Perform the PCM reprogramming procedure. Is any related Service Bulletins...
  • Page 803 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 position (Engine off). Go to the next step. Clear the DTC from the PCM memory using the M-MDS. Perform no load racing at the engine speed of 2,500-3,500 rpm for 60s or more, then idle the engine for 60s or more.
  • Page 804 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 INFORMATION AVAILABILITY the available Service Bulletins. Verify related Service Bulletins If the vehicle is not repaired, go to and/or on-line repair information the next step. availability. Perform the PCM reprogramming procedure.
  • Page 805 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 engine speed of 2,500-3,500 rpm Go to the next step. for 60s or more, then idle the engine for 60s or more. Perform the KOEO and KOER self-test.
  • Page 806 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 and/or on-line repair information the next step. availability. Go to the next step. Is any related Service Bulletins available? VERIFY RELATED PENDING Go to the appropriate DTC CODE OR STORED DTCs troubleshooting.
  • Page 807 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE On-Board Diagnostic (MZI-3.5) - CX-9 Is DTC P260F present? INSPECT FOR CORRECT PCM Go to the next step. OPERATION Disconnect all the PCM connectors. The system is correctly. Go to the next Visually inspect for: step.
  • Page 808 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 2007 ENGINE Starting System (MZI-3.5) - CX-9 2007 ENGINE Starting System (MZI-3.5) - CX-9 STARTING SYSTEM LOCATION INDEX [MZI-3.5] Fig. 1: Identifying Starting System Components Location STARTER REMOVAL/INSTALLATION [MZI-3.5]...
  • Page 809 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 2: Identifying Starter Components With Torque Specifications STARTER INSPECTION [MZI-3.5] ON-VEHICLE INSPECTION 1. Verify that the battery is fully charged. 2. The starter is normal if it rotates smoothly and without any noise when the engine is cranked.
  • Page 810 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 3: Starter Circuit Diagram MAGNETIC SWITCH OPERATION INSPECTION Pull-out test NOTE: Depending on the battery charge condition, the starter motor pinion may rotate while in an extended state. This is due to current flowing to the starter motor through the pull-in coil to turn the starter motor, and does not indicate an abnormality.
  • Page 811 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 5: Connecting Battery Positive Voltage To Terminal M And Ground PINION GAP INSPECTION 1. Pull out the drive pinion with the battery positive voltage connected to terminal S and the starter body grounded.
  • Page 812 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 7: Measuring Pinion Gap STARTER INNER PARTS INSPECTION Armature 1. Verify that there is no continuity between the commutator and the core at each segment using a tester.
  • Page 813 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 3. Place the armature on V-blocks, and measure the runout using a dial indicator. Starter armature runout 0.1 mm {0.004 in} max. Fig. 10: Measuring Runout Using Dial Indicator 4.
  • Page 814 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Minimum: 0.2 mm {0.008 in} Fig. 12: Measuring Segment Groove Undercut Depth Of Commutator Magnetic switch 1. Inspect for continuity between terminals S and M using a tester.
  • Page 815 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 14: Inspecting Continuity Between Terminal S And Body Using Tester 3. Verify that there is no continuity between terminals M and B using a tester. If there is continuity, replace the magnetic switch.
  • Page 816 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 17: Identifying Minimum Brush Length 3. Measure the brush spring force using a spring balance. If not within the minimum specification, replace the brush and brush holder component.
  • Page 817 2007 Mazda CX-9 Grand Touring 2007 ENGINE Starting System (MZI-3.5) - CX-9 Fig. 19: Exploded View Of Starter Components With Torque Specifications...
  • Page 818 2007 Mazda CX-9 Grand Touring 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 FOREWORD [MZI-3.5] When the customer reports a vehicle malfunction, check the malfunction indicator lamp (MIL) indication and diagnostic trouble code (DTC), then diagnose the malfunction according to the following flowchart: If a DTC exists, diagnose the applicable DTC inspection, (see DTC TABLE [MZI-3.5] .)
  • Page 819 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 illuminated ILLUMINATES [MZI-3.5].) 2 MIL illuminates incorrectly. The starter does not (See NO.3 WILL NOT 3 Will not crank work. CRANK [MZI-3.5].) The starter cranks the (See NO.4 HARD TO...
  • Page 820 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 cruising. Engine runs Acceleration/cruise The engine speed rough. fluctuates during acceleration or cruising. Misses Acceleration/cruise The engine misses during acceleration or (See NO.11 ENGINE cruising. STALLS/QUITS, ENGINE...
  • Page 821 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 system 20 Fuel odor (in engine compartment) Gasoline fuel smell or (See NO.20 FUEL ODOR (IN visible leakage ENGINE COMPARTMENT) [MZI-3.5].) 21 Engine noise Engine noise from (See NO.21 ENGINE NOISE...
  • Page 822 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fig. 2: Quick Diagnostic Chart (MZI-3.5) Courtesy of MAZDA MOTORS CORP.
  • Page 823 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fig. 3: Quick Diagnostic Chart (MZI-3.5) Courtesy of MAZDA MOTORS CORP.
  • Page 824 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fig. 4: Quick Diagnostic Chart (MZI-3.5) Courtesy of MAZDA MOTORS CORP.
  • Page 825 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fig. 5: Quick Diagnostic Chart (MZI-3.5) Courtesy of MAZDA MOTORS CORP. NO.1 MELTING OF MAIN OR OTHER FUSES [MZI-3.5] DESCRIPTION AND POSSIBLE CAUSES MELTING OF MAIN OR OTHER FUSES...
  • Page 826 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 [TROUBLESHOOTING HINTS] Inspect condition of fuse. DESCRIPTION AND POSSIBLE CAUSES Damaged fuse Related wiring harness MAIN MAIN fuse IGKEY2 fuse Ignition switch Generator FUEL PUMP fuse FAN1 fuse...
  • Page 827 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 IG KEY2 IGKEY2 fuse Ignition switch STA fuse Starter relay Starter ENG.IGA ENG.IGA fuse Fuel pump relay Diode Fan relay (Single fan control module) Fan relay No.1 (Dual fan control module) Fan relay No.2 (Dual fan control module)
  • Page 828 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fan control module No.2 (Dual fan control module) ENG+B ENG+B fuse Generator STA fuse Starter relay ENG BAR ENG BAR fuse Front HO2S (RH) Front HO2S (LH)
  • Page 829 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Condenser Ignition coil No.1 Ignition coil No.2 Ignition coil No.3 Ignition coil No.4 Ignition coil No.5 Ignition coil No.6 NO.2 MIL ILLUMINATES [MZI-3.5] DESCRIPTION AND POSSIBLE CAUSES...
  • Page 830: Description And Possible Causes

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis. If vehicle is repaired, troubleshooting completed. If vehicle is not repaired or additional diagnostic information is not available, replace the PCM.
  • Page 831 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 DTC P1260 is displayed. Turn the ignition switch to the ON Go to the next step. position. Connect the coil connector securely. Is the coil connector securely connected Return to Step 1.
  • Page 832 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 system Between coil terminal A and instrument cluster terminal 1G Between coil terminal B and instrument cluster terminal 1E Is there any malfunction? Inspect the following wiring harnesses...
  • Page 833 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Transmission in Park or Neutral (AT) Are all items normal? Connect the M-MDS to the DLC-2. Go to the next step. Turn ignition switch to the ON position.
  • Page 834 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Open circuit in wiring harness between main relay and PCM terminal 1BO or 1BJ Open circuit in wiring harness between main relay terminal E and PCM terminal 1BM Main relay is stuck open.
  • Page 835 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Erratic signal to ignition coil Vacuum leakage Poor fuel quality Starting system malfunction Spark plug malfunction Air leakage from intake-air system Erratic signal from CKP sensor Erratic signal from CMP sensor...
  • Page 836 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE DIAGNOSTIC PROCEDURE STEP INSPECTION RESULTS ACTION Inspect for the following: Go to the next step. Vacuum leakage Proper fuel quality (such as proper octane, contamination, winter/summer blend) Service if necessary.
  • Page 837 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 crankshaft pulley normal? Replace the malfunctioning part. Remove and shake the PCV valve. Go to the next step. Does the PCV valve rattle? Replace the PCV valve.
  • Page 838 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Is there any contamination? Visually inspect the exhaust system Replace the suspected part. part. Is there any deformed exhaust system Go to the next step. part? Inspect the starting system.
  • Page 839 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Electrical connector disconnection Open or short circuit in fuel pump body and related wiring harness No battery power supply to PCM or poor GND Inadequate fuel pressure...
  • Page 840 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Connect the M-MDS to the DLC-2. Both conditions appear: Do the following conditions appear? Go to Step 3. Either or other condition appears: The engine is not completely Go to the next step.
  • Page 841 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 With advanced keyless entry system: Go to the next step, (with advanced keyless entry system.) Go to Step 8. (without advanced keyless Between coil terminal A and entry system.)
  • Page 842 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Service if necessary. Vacuum connection Repeat Step 9. Air cleaner element No air leakage from intake-air system No restriction of intake-air system Proper sealing of intake manifold...
  • Page 843 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Are the TP1, TP2 PID indicates the TP sensor closed throttle position? Wiring harnesses and connectors for following: PCM terminal 2BO-TP sensor terminal A PCM terminal 2BR-TP...
  • Page 844 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Access RPM PID. Inspect for the following: Is RPM PID indicating engine speed during engine cranking? Open or short circuit in CKP sensor Open or short circuit in wiring...
  • Page 845 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Short check connector terminal F/P to Inspect the fuel pump relay and fuel body GND using a jumper wiring. pump circuit. Turn the ignition switch to the ON Inspect the fuel line for clogging.
  • Page 846 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Does variable valve timing control results. function properly? Is the engine compression correct? Inspect the valve timing. Inspect for cause. Verify test results. If normal, return to diagnostic index to service any additional symptoms.
  • Page 847 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Restriction in intake-air system Restriction in exhaust system Disconnected electrical connector Open or short circuit in fuel pump body and related wiring harness Inadequate fuel pressure Fuel pump mechanical malfunction Fuel leakage from injector Fuel injector is clogged.
  • Page 848 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE STEP INSPECTION RESULTS ACTION Connect the M-MDS to the DLC-2. Both conditions appear: Do any of the following conditions Go to Step 3. appear? Either or other condition appears: Engine does not completely Go to the next step.
  • Page 849 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 B1681, B2103, B1213 Inspect the following wiring harnesses Repair or replace the suspected wiring and connectors: harness and connector. With advanced keyless entry system: Between coil terminal A and...
  • Page 850 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Is there any malfunction? Verify the following: Go to the next step. Vacuum connection External fuel shut off or accessory (such as kill switch, alarm) Fuel quality: proper octane,...
  • Page 851 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 PCM terminal 1BL or 1BG Main relay is stuck open. Open or poor GND circuit (PCM terminal 1D, 1J, 1BP, 1BK) Poor connection of vehicle body No DTC is displayed: Go to the next step.
  • Page 852 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 PCM terminal 2AH-TP sensor terminal E PCM terminal 2Z-TP sensor terminal F Does the engine start with the throttle Go to Step 29. valve closed? Go to the next step.
  • Page 853 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Is spark plug wet, covered with carbon carbon: or grayish white? Inspect for fuel leakage from injector. Spark plug is grayish white: Inspect the fuel injector for clogging.
  • Page 854 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Inspect the variable valve timing Go to the next step. control system operation. Repair or replace the malfunctioning (See ENGINE CONTROL SYSTEM part. OPERATION INSPECTION [MZI- 3.5].)
  • Page 855 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Remove thermostat and inspect operation. ECT and thermostat are normal. (see THERMOSTAT Go to the next step. REMOVAL/INSTALLATION [MZI- Access ECT PID on the M-MDS. 3.5] .)
  • Page 856 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Purge solenoid valve malfunction Improper operation of electronic throttle control system Idle learning of electronic throttle control system is not completed Erratic or no signal from CMP sensor...
  • Page 857 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 (see AFTER REPAIR PROCEDURE [MZI-3.5] .) CAUTION: Disconnecting/connecting quick release connector without cleaning it may cause damage to fuel pipe and quick release connector. Always clean quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
  • Page 858 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 position (Engine off). (see DTC TABLE [MZI-3.5] .) Retrieve any DTCs. No DTC is displayed: Are there any DTCs displayed? Go to the next step. Is the engine overheating? Go to symptom troubleshooting "No.17...
  • Page 859 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Inspect the spark plug condition. Spark plug is wet or covered with Is the spark plug wet, covered with carbon: carbon or grayish white? Inspect for fuel leakage from injector.
  • Page 860 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 air system components. If system is normal, go to the next step. Disconnect the vacuum hose between Check if purge solenoid valve is stuck the purge solenoid valve and the intake open mechanically.
  • Page 861 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 DESCRIPTION AND POSSIBLE CAUSES FAST IDLE/RUNS ON The engine speed continues at fast idle after warm-up. DESCRIPTION The engine runs after the ignition switch is turned off.
  • Page 862 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 If the TR PID is not normal: Inspect TR switch and related wiring harness for vibration or intermittent open/short circuit. If the PSP PID is not normal:...
  • Page 863 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Accelerator pedal position sensor or related circuit malfunction Accelerator pedal position sensor misadjustment TP sensor or related circuit malfunction POSSIBLE CAUSE MAF sensor or related circuit malfunction...
  • Page 864 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 3.5].) results. Does the electronic throttle control system function properly? Disconnect the vacuum hose between Inspect the evaporative emission the purge solenoid valve and the intake control system.
  • Page 865 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 (see PCM REMOVAL/INSTALLATION [MZI-3.5] .) NO.11 ENGINE STALLS/QUITS, ENGINE RUNS ROUGH, MISSES, BUCK/JERK, HESITATION/STUMBLE, SURGES [MZI-3.5] DESCRIPTION AND POSSIBLE CAUSES ENGINE STALLS/QUITS-ACCELERATION/CRUISE ENGINE RUNS ROUGH-ACCELERATION/CRUISE MISSES-ACCELERATION/CRUISE BUCK/JERK-ACCELERATION/CRUISE/DECELERATION...
  • Page 866 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Restriction in exhaust system Intermittent open or short circuit in fuel body pump circuit Inadequate fuel pressure Fuel pump mechanical malfunction Check valve (two-way) malfunction integrated with fuel tank...
  • Page 867 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 STEP INSPECTION RESULTS ACTION Verify the following: Go to the next step. Vacuum connection Air cleaner element No air leakage from intake-air system No restriction of intake-air system Service if necessary.
  • Page 868 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 TP1, TP2 PID: Inspect if output signal from TP sensor changes smoothly. VSS PID: Inspect for open circuit of VSS and related wiring harness intermittently. Visually inspect the CKP sensor and Go to the next step.
  • Page 869 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 3.5] .) Visually inspect for fuel leakage at fuel Go to the next step. injector O-ring and fuel line. Inspect the fuel injector. Service if necessary. If the fuel injector is normal, replace the Is fuel line pressure held after ignition fuel pump unit.
  • Page 870 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Drive the vehicle. Go to the next step. Does the engine condition improve? Visually inspect the CMP sensor and Go to the next step. projections of camshaft pulley.
  • Page 871 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Vacuum leakage Poor fuel quality Erratic signal to ignition coil Engine overheating Throttle body malfunction Spark plug malfunction PCV valve malfunction Improper valve timing due to jumping out of timing chain...
  • Page 872 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 disconnecting/connecting, and make sure that it is free of foreign material. DIAGNOSTIC PROCEDURE DIAGNOSTIC PROCEDURE STEP INSPECTION RESULTS ACTION Verify the following: Go to the next step.
  • Page 873 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 MAF sensor and related wiring harness. TP1, TP2 PID: Inspect if output signal TP sensor changes smoothly. IAT PID: Inspect for air suction in intake-air system. If normal, inspect intermittent short circuit of IAT sensor and related wiring harnesses.
  • Page 874 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 ignition switch to ON position? (see FUEL PUMP UNIT (see FUEL LINE PRESSURE REMOVAL/INSTALLATION [MZI- INSPECTION [MZI-3.5] .) 3.5] .) High: Replace the fuel pump unit. (see FUEL PUMP UNIT REMOVAL/INSTALLATION [MZI- 3.5] .)
  • Page 875 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Is the engine compression correct? Inspect the following: Valve timing Internal transaxle components Brake system for dragging Inspect for cause. Verify test results. If normal, return to diagnostic index to service any additional symptoms.
  • Page 876 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE REPAIR PROCEDURE" and "AFTER REPAIR PROCEDURE" described in this manual.
  • Page 877 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 3.5] .) High: Replace the fuel pump unit. (see FUEL PUMP UNIT REMOVAL/INSTALLATION [MZI- 3.5] .) Inspect the knock sensor. Inspect ignition timing. Is the knock sensor normal? Replace the knock sensor.
  • Page 878: Diagnostic Procedure Step

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Improper engine compression Exhaust system clogging WARNING: The following troubleshooting flow chart contains fuel system diagnosis and repair procedures. Read following warnings before servicing fuel system: Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage.
  • Page 879: Are There Any Dtcs Displayed

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Retrieve any DTCs. No DTC is displayed: Are there any DTCs displayed? Go to the next step. Access ECT PID. Go to the next step. Drive vehicle while monitoring PID.
  • Page 880: (See Engine Symptom Troubleshooting [Mzi-3.5].)

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Is engine compression correct? Inspect the valve timing. Inspect for cause. Verify test results. If normal, return to diagnostic index to service any additional symptoms. (See ENGINE SYMPTOM TROUBLESHOOTING [MZI-3.5].) If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
  • Page 881 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Improper engine compression Improper valve timing WARNING: The following troubleshooting flow chart contains fuel system diagnosis and repair procedures. Read following warnings before servicing fuel system: Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage.
  • Page 882 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Turn the ignition switch to the ON Go to appropriate DTC inspection. position (Engine off). (see DTC TABLE [MZI-3.5] .) Retrieve any DTCs. No DTC is displayed: Are there any DTCs displayed? Go to the next step.
  • Page 883: Results Action

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Inspect for fuel saturation inside Replace the charcoal canister. charcoal canister. Inspect the fuel tank vent system. Is excess amount of liquid fuel present Then, go to the next step.
  • Page 884 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Does the PCV valve rattle? Replace the PCV valve. Inspect for the following: Inspect the internal engine parts such as valves, valve guides, valve stem seals, cylinder head drain passage, External leakage and piston rings.
  • Page 885 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Improper tension of drive belt Drive belt damage DIAGNOSTIC PROCEDURE DIAGNOSTIC PROCEDURE STEP INSPECTION RESULTS ACTION Inspect the following: Go to the next step. Engine coolant level...
  • Page 886 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 step. Connect the M-MDS to the DLC-2. Go to the next step. Access AC_REQ PID. Inspect the following: Start the engine and idle it. Turn the A/C switch and fan switch on.
  • Page 887 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 temperature gauge and heat gauge unit. Verify test results. If normal, return to diagnostic index to service any additional symptoms. (See ENGINE SYMPTOM TROUBLESHOOTING [MZI-3.5].) If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
  • Page 888 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 operation. Inspect for both ECT PID and (See ENGINE CONTROL SYSTEM temperature gauge on instrument OPERATION INSPECTION [MZI- cluster readings. 3.5].) If the temperature gauge on the...
  • Page 889 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Black smoke (Rich fuel mixture): Air cleaner restriction Intake-air system is collapsed or restricted. Fuel return line is restricted. Excessive fuel pressure Improper engine compression Injector fuel leakage...
  • Page 890: Yes Dtc Is Displayed

    2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Remove and shake the PCV valve. Inspect for the following: Does the PCV valve rattle? Damaged valve guide, stems or valve seals Blocked oil drain passage in...
  • Page 891 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Measure fuel line pressure during idle. fuel pump unit. Is fuel line pressure correct during (see FUEL PUMP UNIT idle? REMOVAL/INSTALLATION [MZI- (see FUEL LINE PRESSURE 3.5] .) INSPECTION [MZI-3.5] .)
  • Page 892 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage. Always keep sparks and flames away from fuel. Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage.
  • Page 893 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Connect the M-MDS to the DLC-2. DTC is displayed: Turn the ignition switch to the ON Go to the appropriate DTC inspection. position (Engine off). (see DTC TABLE [MZI-3.5] .) Retrieve any DTCs.
  • Page 894 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Air leakage from intake-air system Rumble or grind noise: Improper drive belt tension Improper P/S fluid level Rap or roar noise: POSSIBLE CAUSE Dynamic dumper looseness Exhaust system looseness...
  • Page 895 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Spark plug looseness Intake-air system leakage Go to the next step. Is a rapping or roar noise present? Inspect looseness for followings: Dynamic dumper Intake-air system Exhaust system Go to the next step.
  • Page 896 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Inspect the following components for Inspect the following systems: loose attaching bolts or worn parts: Wheels Cooling fan Drive belt and pulleys Driveline Generator Suspension Engine mounts...
  • Page 897 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 DIAGNOSTIC PROCEDURE STEP INSPECTION RESULTS ACTION Connect the M-MDS to the DLC-2. DTC is displayed: Turn the ignition switch to the ON Go to the appropriate DTC inspection.
  • Page 898 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 If vehicle is not repaired or additional diagnostic information is not available, replace the PCM. (see PCM REMOVAL/INSTALLATION [MZI-3.5] .) NO.24 A/C IS ALWAYS ON OR A/C COMPRESSOR RUNS CONTINUOUSLY [MZI-3.5]...
  • Page 899 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Disconnect refrigerant pressure switch Inspect for short to GND in wiring connector. harness between refrigerant pressure Start the engine and turn A/C switch on. switch and PCM terminal 1R.
  • Page 900 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Accelerator pedal position sensor malfunction POSSIBLE CAUSE Accelerator pedal position sensor misadjustment Loosely installed accelerator pedal position sensor DIAGNOSTIC PROCEDURE DIAGNOSTIC PROCEDURE STEP INSPECTION RESULTS ACTION Does A/C compressor disengage when Go to the next step.
  • Page 901 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 WARNING: The following troubleshooting flow chart contains fuel system diagnosis and repair procedures. Read following warnings before servicing fuel system: Fuel vapor is hazardous. It can easily ignite, causing serious injury and damage.
  • Page 902 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Is fuel line pressure correct at idle? Inspect fuel pump relay and fuel pump (see FUEL LINE PRESSURE circuit. INSPECTION [MZI-3.5] .) Inspect the fuel line for clogging.
  • Page 903 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Inadequate fuel filling speed WARNING: The following troubleshooting flow chart contains the fuel system diagnosis and repair procedures. Read the following warnings before servicing the fuel system: Fuel vapor is hazardous.
  • Page 904 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Nonreturn valve does not operate properly: Replace nonreturn valve. Verify test results. If normal, return to diagnostic index to service any additional symptoms. (See ENGINE SYMPTOM TROUBLESHOOTING [MZI-3.5].) If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
  • Page 905 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 (see AFTER REPAIR PROCEDURE [MZI-3.5] .) CAUTION: Disconnecting/connecting quick release connector without cleaning it may cause damage to fuel pipe and quick release connector. Always clean quick release connector joint area before disconnecting/connecting, and make sure that it is free of foreign material.
  • Page 906 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 available, replace the PCM. (see PCM REMOVAL/INSTALLATION [MZI-3.5] .) NO.29 SPARK PLUG CONDITION [MZI-3.5] DESCRIPTION AND POSSIBLE CAUSES SPARK PLUG CONDITION DESCRIPTION Incorrect spark plug condition NOTE: Inspecting spark plugs condition can determine whether problem is related to a specific cylinder or possibly all cylinders.
  • Page 907 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fuel line spills and leakage are dangerous. Fuel can ignite and cause serious injuries or death and damage. Fuel can also irritate skin and eyes. To prevent this, always complete "BEFORE REPAIR PROCEDURE"...
  • Page 908 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Inspect compression pressure at Go to the next step. suspected malfunctioning cylinder. Repair or replace the malfunctioning Is compression pressure correct? part. (see COMPRESSION INSPECTION [MZI-3.5] .) Install all spark plugs.
  • Page 909 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 For No.4 cylinder: 2BH Are all above items normal? For No.5 cylinder: 2BB For No.6 cylinder: 2BD Replace the fuel injector. Is the air cleaner element free of Go to the next step.
  • Page 910 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Perform the purge control inspection. Go to the next step. (When engine can be started.) Repair or replace the malfunctioning (See ENGINE CONTROL SYSTEM part. OPERATION INSPECTION [MZI- 3.5].)
  • Page 911 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 If normal, return to diagnostic index to service any additional symptoms. (See ENGINE SYMPTOM TROUBLESHOOTING [MZI-3.5].) If malfunction remains, inspect related Service Bulletins and/or On-line Repair Information and perform repair or diagnosis.
  • Page 912 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Fig. 6: Inspecting Wiring Harness Courtesy of MAZDA MOTORS CORP. INSPECTION METHOD FOR SENSOR CONNECTORS OR WIRING HARNESSES 1. Connect the M-MDS to the DLC-2. 2. Turn the ignition switch to the ON position (Engine off).
  • Page 913 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 3. Access PIDs for the switch you are inspecting. 4. Vibrate the sensor slightly with your finger. If PID value is unstable or malfunction occurs, check for poor connection or poorly mounted sensor or both.
  • Page 914 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 1. Connect the M-MDS to the DLC-2 if you are inspecting sensors or switches. 2. Turn the ignition switch to the ON position (Engine off). NOTE: If the engine starts and runs, perform the following steps at idle.
  • Page 915 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 CAUTION: Compare the M-MDS monitor voltage with the measurement voltage using the digital measurement system function. If you use another tester, misreading may occur. When measuring voltage, attach the tester GND to the GND of the PCM that is being tested, or to the engine itself.
  • Page 916 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Coupler (pin holder) damage Pin discoloration (blackness) If there are no problems, proceed to next investigation below. STANDARD POWER SUPPLY SYSTEM INSPECTION FOR VARIABLE RESISTANCE TYPE 1 Confirm that the #3 terminal is at 5 V .
  • Page 917 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Courtesy of MAZDA MOTORS CORP. GND SYSTEM INSPECTION FOR VARIABLE RESISTANCE TYPE 2 Confirm that terminal sensor #4 is at 0 V . If it is at 0 V , inspect the sensor.
  • Page 918 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Female terminal opening is loose. Coupler (pin holder) damage Pin discoloration (blackness) If the #3 terminal measures other than B+ , inspect the following: Open or short circuit in wiring harness Harness/pin crimp is loose or disconnected.
  • Page 919 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 GND SYSTEM INSPECTION FOR THERMISTOR TYPE Confirm that terminal sensor #3 is at 0 V . If it is at 0 V , inspect the sensor. If necessary, replace the sensor.
  • Page 920 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 2. Connect the M-MDS to the DLC-2. 3. Verify that P0506, P0507 is not displayed. If P0506, P0507 are displayed, perform DTC inspection. (see DTC TABLE [MZI-3.5] .) 4.
  • Page 921 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 INSPECTION [MZI-3.5] .) If the PID reading is out of range, perform the following: Remove the air duct from throttle valve body. Verify that the throttle valve opens when throttle pedal is depressed.
  • Page 922 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 1. Warm up the engine and idle it. 2. Connect the M-MDS to the DLC-2. 3. Select the RPM and FUELSYS1 PIDs. 4. Monitor the both PIDs while performing the following steps.
  • Page 923 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 4. Measure voltage at wiring harness side fuel pump connector terminal B. Specification B+ (Ignition switch at on) If the voltage is as specified, inspect the following:...
  • Page 924 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 Go to the next step. Inspect the spark plugs for damage, Replace spark plugs, then go to the next wear, and proper plug gap. step. Are the spark plugs normal? Ignition system is normal.
  • Page 925 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 PURGE CONTROL SYSTEM INSPECTION If simulation function of the M-MDS is used: 1. Start the engine. 2. Disconnect the vacuum hose between the purge solenoid valve and the charcoal canister.
  • Page 926 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 (see DTC TABLE [MZI-3.5] .) 5. Access EVAPCP and ECT PIDs. 6. Verify that the ECT PID is more than 78 °C {173 °F} . If the ECT PID reading indicates less than 78 °C {173 °F} , perform the ECT inspection.
  • Page 927 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 3. Perform the KOER self-test. (see KOEO/KOER SELF TEST [MZI-3.5] .). 4. Verify that the DTC P0483 is not shown and the cooling fan operates during the KOER self-test.
  • Page 928 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 If the spool valve is stuck in advance direction, replace the OCV. (see OIL CONTROL VALVE (OCV) REMOVAL/INSTALLATION [MZI-3.5]. ) 2. Connect the OCV. 3. Turn the ignition switch to ON position.
  • Page 929 2007 Mazda CX-9 Grand Touring 2007 ENGINE PERFORMANCE Symptom Troubleshooting (MZI-3.5) - CX-9 If not as specified, inspect the following: OCV (LH) Harnesses and connectors between OCV (LH) and PCM have an open or short circuit. If as specified, inspect the following left bank hydraulic passages for clogging or leakage or both.
  • Page 930 1. Verify that the control valve on the panel is in the HOLD position then open the nitrogen bottle valve. 2. Remove the fuel-filler cap from the vehicle. If the fuel-filler cap is not a MAZDA part or equivalent, replace it. NOTE: INSPECT FUEL FILLER CAP AND FILLER NECK Visually inspect for damage, insufficient sealing, rust, cracks or warps for filler cap and filler neck.
  • Page 931 8. If the gauge and the flow meter do not settle to a measurable level after 2-3 min , then refer to the Mazda Workshop Manual to verify that the canister vent valve is properly closed. If canister vent valve is properly closed.
  • Page 932 AIR CONDITIONING...
  • Page 933 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 934 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 1: Automatic A/C Circuit, Dual Fans (1 of 3)
  • Page 935 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 936 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 2: Automatic A/C Circuit, Dual Fans (2 of 3)
  • Page 937 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 938 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 3: Automatic A/C Circuit, Dual Fans (3 of 3)
  • Page 939 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 940 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 4: Automatic A/C Circuit, Single Fan (1 of 3)
  • Page 941 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 942 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 5: Automatic A/C Circuit, Single Fan (2 of 3)
  • Page 943 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 944 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 6: Automatic A/C Circuit, Single Fan (3 of 3) ANTI-LOCK BRAKES...
  • Page 945 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 946 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 7: Anti-lock Brakes Circuit ANTI-THEFT...
  • Page 947 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 948 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 8: Forced Entry Circuit...
  • Page 949 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 950 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 9: Immobilizer Circuit BODY CONTROL MODULES...
  • Page 951 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 952 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 10: Body Control Modules Circuit COMPUTER DATA LINES...
  • Page 953 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 954 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 11: Computer Data Lines Circuit COOLING FAN...
  • Page 955 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 956 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 12: Cooling Fan Circuit, Dual Fans...
  • Page 957 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 958 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 13: Cooling Fan Circuit, Single Fan CRUISE CONTROL...
  • Page 959 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 960 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 14: Cruise Control Circuit DEFOGGERS...
  • Page 961 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 962 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 15: Defoggers Circuit ENGINE PERFORMANCE 3.5L...
  • Page 963 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 964 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 16: 3.5L, Engine Performance Circuit (1 of 4)
  • Page 965 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 966 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 17: 3.5L, Engine Performance Circuit (2 of 4)
  • Page 967 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 968 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 18: 3.5L, Engine Performance Circuit (3 of 4)
  • Page 969 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 970 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 19: 3.5L, Engine Performance Circuit (4 of 4) EXTERIOR LIGHTS...
  • Page 971 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 972 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 20: Backup Lamps Circuit...
  • Page 973 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 974 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 21: Exterior Lamps Circuit GROUND DISTRIBUTION...
  • Page 975 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 976 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 22: Ground Distribution Circuit HEADLIGHTS...
  • Page 977 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 978 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 23: Headlights Circuit, W/ Auto Lights Off...
  • Page 979 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 980 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 24: Headlights Circuit, W/O Auto Lights Off HORN...
  • Page 981 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 982 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 25: Horn Circuit INSTRUMENT CLUSTER...
  • Page 983 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 984 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 26: Instrument Cluster Circuit (1 of 2)
  • Page 985 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 986 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 27: Instrument Cluster Circuit (2 of 2)
  • Page 987 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 988 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 28: Multi-Information System Circuit INTERIOR LIGHTS...
  • Page 989 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 990 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 29: Courtesy Lamps Circuit...
  • Page 991 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 992 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 30: Instrument Illumination Circuit MEMORY SYSTEMS...
  • Page 993 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 994 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 31: Driver"s Memory Seat Circuit (1 of 2)
  • Page 995 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 996 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 32: Driver"s Memory Seat Circuit (2 of 2) NAVIGATION...
  • Page 997 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 998 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 33: Navigation Circuit POWER DISTRIBUTION...
  • Page 999 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9...
  • Page 1000 2007 Mazda CX-9 Grand Touring 2007 SYSTEM WIRING DIAGRAMS Mazda - CX-9 Fig. 34: Power Distribution Circuit (1 of 2)

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