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2007
Mazda
CX-7
Workshop
Manual
FOREWORD
This manual contains on-vehicle service
and/or diagnosis procedures for the Mazda
CX-7.
For proper repair and maintenance,
a thorough familiarization with this manual is
important, and it should always be kept in a
handy place for quick and easy reference.
All the contents of this manual, including
drawings and specifications, are the latest
available at the time of printing.
As modifications affecting repair or
maintenance occur, relevant information
supplementary to this volume will be made
available at Mazda dealers. This manual
should be kept up-to-date.
Mazda Motor Corporation reserves the right
to alter the specifications and contents of
this manual without obligation or advance
notice.
All rights reserved. No part of this book may
be reproduced or used in any form or by any
means, electronic or mechanical—including
photocopying and recording and the use of
any kind of information storage and retrieval
system—without permission in writing.
Mazda Motor Corporation
HIROSHIMA, JAPAN
APPLICATION:
This manual is applicable to vehicles
beginning with the Vehicle Identification
Numbers (VIN), and related materials
shown on the following page.
CONTENTS
ENGINE
SUSPENSION
DRIVELINE/AXLE
BRAKES
TRANSMISSION/TRANSAXLE
STEERING
HEATER, VENTILATION &
AIR CONDITIONING (HVAC)
RESTRAINTS
BODY & ACCESSORIES
© 2006 Mazda Motor Corporation
PRINTED IN U.S.A., FEBRUARY 2006
Form No. 1871–1U–06B
Part No. 9999–95–034B–07
Title
Section
00
01
02
03
04
05
06
07
08
09
AI

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   Summary of Contents for Mazda CX-7 2007

  • Page 1: General Information

    Manual SUSPENSION DRIVELINE/AXLE FOREWORD This manual contains on-vehicle service BRAKES and/or diagnosis procedures for the Mazda CX-7. TRANSMISSION/TRANSAXLE For proper repair and maintenance, a thorough familiarization with this manual is STEERING important, and it should always be kept in a HEATER, VENTILATION &...

  • Page 2: Vehicle Identification Numbers

    VEHICLE IDENTIFICATION NUMBERS (VIN) JM3 ER29L✻7# 100001— JM3 ER293✻7# 100001— RELATED MATERIALS Material Name MNAO Part No. Mazda Material No. Mazda CX-7 2007 Service Highlights 9999–95–045F–07 3416–1U–06B Engine Workshop Manual L3 WITH TC 9999–95–0L3T–06 1833–1U–05H Automatic Transaxle and Transfer Workshop Manual 9999–95–0AW6–07 1874–1U–06B...

  • Page 3

    GENERAL INFORMATION SECTION 00-00 Toc of SCT GENERAL INFORMATION ..00-00 Toc of SCT 00-00 GENERAL INFORMATION VEHICLE IDENTIFICATION SST ......00-00–19 NUMBER (VIN) CODE .

  • Page 4

    (1814 2267 kg) — Resraint system 2= with Curtain and Side air bags Carline, Series ER= Mazda CX-7 JM3= Mazda/Multi-purpose vehicle category/U.S.A. World manufacturer identification acxuuw00002316 End Of Sie VEHICLE IDENTIFICATION NUMBER (VIN) id000000100300 JM3 ER29L*7# 100001— JM3 ER293*7# 100001—...

  • Page 5

    GENERAL INFORMATION HOW TO USE THIS MANUAL id000000800100 Range of Topics • This manual contains procedures for performing all required service operations. The procedures are divided into the following five basic operations: — Removal/Installation 00-00 — Disassembly/Assembly — Replacement — Inspection —...

  • Page 6

    GENERAL INFORMATION Repair procedure 1. Most repair operations begin with an overview illustration. It identifies the components, shows how the parts fit together, and describes visual part inspection. However, only removal/installation procedures that need to be performed methodically have written instructions. 2.

  • Page 7

    GENERAL INFORMATION Symbols • There are eight symbols indicating oil, grease, fluids, sealant, and the use of SST or equivalent. use. These symbols show application points or use of these materials during service. Symbol Meaning Kind 00-00 New appropriate Apply oil engine oil or gear New appropriate Apply brake fluid...

  • Page 8

    GENERAL INFORMATION Troubleshooting Procedure Basic flow of troubleshooting CUSTOMER ARRIVES WARNING LIGHT* NO WARNING LIGHT* ON/FLASHING WITH SYMPTOM CHECK FOR CHECK DTC IGNITION ON TEST, IDLING PRIORITIZED DTC TEST WITHOUT DTC DIAGNOSE BY DTC DIAGNOSE BY SYMPTOM (ON-BOARD DIAGNOSTIC) (SYMPTOM TROUBLESHOOTING) DTC TABLE 1.

  • Page 9

    GENERAL INFORMATION Procedures for Use Using the basic inspection (section 05) • Perform the basic inspection procedure before symptom troubleshooting. • Perform each step in the order shown. • The reference column lists the location of the detailed procedure for each basic inspection. •...

  • Page 10

    GENERAL INFORMATION Using the DTC troubleshooting flow • DTC troubleshooting flow shows diagnostic procedures, inspection methods, and proper action to take for each DTC. DETECTION CONDITION describes the condition under which the DTC is TROUBLE CONDITION detected. DTC P0103 DTC PO103 MAF circuit high input PCM monitors input voltage from TP sensor after ignition key is turned on.

  • Page 11

    GENERAL INFORMATION Using the diagnostic index • Malfunction symptoms are listed in the diagnostic index under symptom troubleshooting. • The exact malfunction symptoms can be selected by following the index. TROUBLESHOOTING ITEM DESCRIPTION Page 00-00 (See 01-03-6 MELT NO.1 MAIN OR Melting of main or other fuses OTHER FUSE) MIL comes on...

  • Page 12

    GENERAL INFORMATION Using the quick diagnosis chart • The chart lists the relation between the symptom and the cause of the malfunction. • The chart is effective in quickly narrowing down the relation between symptom and cause of the malfunction. It also specifies a range of common causes when multiple malfunction symptoms occur.

  • Page 13

    GENERAL INFORMATION Using the symptom troubleshooting • Symptom troubleshooting shows diagnostic procedures, inspection methods, and proper action to be taken for each trouble symptom. DESCRIPTION 00-00 describes what kind of TROUBLE TROUBLE SYMPTOM SYMPTOM Engine flares up or slips when upshifting or down shifting When accelerator pedal is depressed for driveway, engine speed increase but vehicle speed increase slowly.

  • Page 14

    GENERAL INFORMATION UNITS id000000100400 Electrical current A (ampere) Electric power W (watt) Electric resistance ohm Electric voltage V (volt) mm (millimeter) Length in (inch) kPa (kilo pascal) Negative pressure mmHg (millimeters of mercury) inHg (inches of mercury) kPa (kilo pascal) kgf/cm (kilogram force per square Positive pressure...

  • Page 15

    Special Service Tools • Use special service tools or the equivalent when they are required. 49 SE01 310 acxuuw00002395 Malfunction Diagnosis System • Use the Mazda modular diagnostic system (M-MDS) for malfunction diagnosis. 00-00–13 Revised 7/2006 (Ref. No. R065/06)

  • Page 16

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) GENERAL INFORMATION Disconnection of the Negative Battery Cable • When working with the negative battery cable disconnected, wait for 1 min or more to allow the back up power supply of the SAS control module to deplete its stored power after the cable is disconnected.

  • Page 17

    GENERAL INFORMATION Disassembly • If the disassembly procedure is complex, requiring many parts to be disassembled, all parts should be marked in a place that will not affect their performance or external appearance, and 00-00 identified so that reassembly can be performed easily and efficiently.

  • Page 18

    GENERAL INFORMATION Reassembly • Standard values, such as torques and certain adjustments, must be strictly observed in the reassembly of all parts. • If removed, these parts should be replaced with new ones: — Oil seals — Gaskets — O-rings —...

  • Page 19

    GENERAL INFORMATION Hose Clamps • When reinstalling, position the hose clamp in the original location on the hose and squeeze the clamp lightly with large pliers to ensure a good fit. 00-00 acxuuw00000018 Torque Formulas • When using a torque wrench-SST or equivalent combination, the specified torque must be recalculated due to the extra length that the SST or equivalent adds to the torque wrench.

  • Page 20

    GENERAL INFORMATION Note • When only the front or rear wheels are rotated on a chassis dynamometer or equivalent, the DSC CM determines that there is a malfunction in the DSC and illuminates the following lights: — ABS warning light —...

  • Page 21

    • Some global SST or equivalent are used as SSTs necessary for vehicle repair. Note that these SSTs are marked with global SST numbers. • Note that a global SST number is written together with a corresponding Mazda SST number as shown below. Example (section **-60)

  • Page 22

    GENERAL INFORMATION INSTALLATION OF RADIO SYSTEM id000000800300 • If a radio system is installed improperly or if a high-powered type system is used, the CIS and other systems may be affected. When the vehicle is to be equipped with a radio, observe the following precautions: —...

  • Page 23

    GENERAL INFORMATION Connectors Disconnecting connectors • When disconnecting a connector, grasp the NO GOOD connectors, not the wires. GOOD 00-00 acxuuw00000454 • Connectors can be disconnected by pressing or pulling the lock lever as shown. acxuuw00000455 Locking connector • When locking connectors, listen for a click indicating they are securely locked.

  • Page 24

    GENERAL INFORMATION Inspection Caution • To prevent damage to the terminal, wrap a thin wire around the tester probe before inserting into terminal. • When a tester is used to inspect for continuity or measuring voltage, insert the tester probe from GOOD NO GOOD the wiring harness side.

  • Page 25

    GENERAL INFORMATION Replacement • Use the appropriate tools to remove a terminal as shown. When installing a terminal, be sure to insert it until it locks securely. • Insert a thin piece of metal from the terminal side of the connector and with the terminal locking tab 00-00 pressed down, pull the terminal out from the TYPE A...

  • Page 26

    GENERAL INFORMATION Fuse Replacement • When replacing a fuse, be sure to replace it with one of the same capacity. If a fuse malfunctions again, the circuit probably has a short and the wiring should be inspected. • Be sure the negative battery terminal is disconnected before replacing a main fuse. •...

  • Page 27

    GENERAL INFORMATION Other When it is necessary to show the terminal side of the vehicle wiring harness-side connectors, such as the DLC-2 following connectors, the viewing orientation is from the terminal side. • Main fuse block and the main fuse block relays 00-00 •...

  • Page 28

    GENERAL INFORMATION Ohmmeter Caution • Do not connect the ohmmeter to any circuit where voltage is applied. This will damage the ohmmeter. • The ohmmeter is used to measure the resistance NO GOOD between two points in a circuit and to inspect for continuity and short circuits.

  • Page 29

    GENERAL INFORMATION JACKING POSITIONS, VEHICLE LIFT (2 SUPPORTS) AND SAFETY STAND (RIGID RACK) POSITIONS id000000800500 Jacking Positions Warning • Improperly jacking a vehicle is dangerous. The vehicle can slip off the jack and cause serious 00-00 injury. Use only the correct front and rear jacking points and block the wheels. •...

  • Page 30

    GENERAL INFORMATION Vehicle Lift Positions Front and rear Warning • Lifting a vehicle that is not stabilized is dangerous. The vehicle can slip off the lift and cause serious injury and/or vehicle damage. Make sure that the vehicle is on the lift horizontally by adjusting the height of the support at the end of the arm of the lift.

  • Page 31

    GENERAL INFORMATION TOWING id000000800600 • Proper lifting and towing are necessary to prevent damage to the vehicle. Particularly when towing a AWD vehicle, where all the wheels are connected to the drive train, proper transporting of the vehicle is absolutely essential to avoid damaging the drive system. Government and local laws must be followed.

  • Page 32

    GENERAL INFORMATION Towing a AWD Vehicle Warning • Towing a AWD vehicle with either the front or rear wheels on the ground is dangerous as the drive train could be damaged, or the vehicle could trail away from the tow truck and cause an accident.

  • Page 33

    GENERAL INFORMATION 4. Hook the tying rope to the tiedown eyelet. 00-00 acxuuw00000519 acxuuw00000520 Caution • If the tiedown eyelet is not securely tightened, it may loosen or disengage from the bumper when tying down the vehicle. Make sure that the tiedown eyelet is securely tightened to the bumper. End Of Sie TIEDOWN HOOK id000000800700...

  • Page 34

    GENERAL INFORMATION IDENTIFICATION NUMBER LOCATIONS id000000800800 Vehicle Identification Number (VIN) acxuuw00002317 Engine Identification Number End Of Sie FRONT acxuuw00000346 00-00–32...

  • Page 35

    • In accordance with new regulations, SAE (Society of Automotive Engineers) standard names and abbreviations are now used in this manual. The table below lists the names and abbreviations that have been used in Mazda manuals up to now and their SAE equivalents.

  • Page 36

    GENERAL INFORMATION ABBREVIATIONS id000000801000 Antilock Brake System Left Rear Accessories Limited Slip Differential Automatic Locking Retractor Motor Automatic Transaxle Fluid Maximum Automatic Transaxle Minimum All-Wheel Drive Oil Control Valve Body Control Module Positive Crankcase Ventilation BTDC Before Top Dead Center Portable Diagnostic Software Calibration ID Parameter Identification...

  • Page 37

    GENERAL INFORMATION PRE-DELIVERY INSPECTION id000000801100 Pre-Delivery Inspection Table Exterior INSPECT and ADJUST, if necessary, the following items to specification: ❏ Glass, exterior bright metal and paint for damage 00-00 ❏ Wheel lug nuts ❏ All weatherstrips for damage or detachment ❏...

  • Page 38

    GENERAL INFORMATION Under hood— engine running at operating temperature INSPECT the following items: ❏ Automatic transaxle fluid level ❏ Operation of idle-up system for electrical load, air conditioner or power steering (if equipped) ❏ Ignition timing ❏ Idle speed ❏ Operation of throttle position sensor ❏...

  • Page 39

    *2: According to state/provincial and federal regulations, failure to perform maintenance on these items will not void your emissions warranties. However, Mazda recommends that all maintenance services be performed at the recommended time or mileage/kilometer period to ensure long-term reliability.

  • Page 40

    GENERAL INFORMATION Schedule 2: CANADA, Puerto Rico and (Unique Driving Conditions) for U.S.A. • Repeated short-distance driving • Driving in dusty conditions • Driving with extended use of brakes • Driving in areas where salt or other corrosive materials are used •...

  • Page 41

    *2: According to state/provincial and federal regulations, failure to perform maintenance on these items will not void your emissions warranties. However, Mazda recommends that all maintenance services be performed at the recommended time or mileage/kilometer period to ensure long-term reliability.

  • Page 43: Charging System, Ignition System, Starting System, Cooling System, Cruise Control System, Fuel System, Exhaust System

    ENGINE SECTION 01-02 Toc of SCT ON-BOARD DIAGNOSTIC EMISSION SYSTEM [L3 WITH TC] ... . . 01-02 [L3 WITH TC] ... . . 01-16 SYMPTOM TROUBLESHOOTING CHARGING SYSTEM [L3 WITH TC] .

  • Page 44

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0038[L3 WITH TC]... . . 01-02–34 DTC P0481[L3 WITH TC] ... . 01-02–154 DTC P0069[L3 WITH TC]... . . 01-02–36 DTC P050A[L3 WITH TC] .

  • Page 45

    ON-BOARD DIAGNOSTIC [L3 WITH TC] ON-BOARD DIAGNOSTIC WIRING DIAGRAM[L3 WITH TC] id010239800100 FUEL INJECTOR NO.1 FUEL INJECTOR NO.4 01-02 FUEL INJECTOR NO.3 FUEL INJECTOR NO.2 FUEL INJECTOR RELAY IAT SENSOR SENSOR HO2S HEATER (FRONT) HO2S HEATER (REAR) SENSOR FAN CONTROL MODULE NO.1 COOLING FAN RELAY NO.1 FUEL PRESSURE SENSOR...

  • Page 46

    ON-BOARD DIAGNOSTIC [L3 WITH TC] EGR VALVE EVAP SYSTEM LEAK DETECTION PUMP TP SENSOR PURGE SOLENOID VALVE BRAKE SWITCH NO.1 WASTEGATE CONTROL SOLENOID VALVE BRAKE SWITCH NO.2 VARIABLE SWIRL SOLENOID VALVE VARIABLE SWIRL SHUTTER VALVE SWITCH REFRIGERANT PRESSURE SWITCH (HIGH, LOW) THROTTLE REFRIGERANT PRESSURE SWITCH (MIDDLE) ACTUATOR...

  • Page 47

    ON-BOARD DIAGNOSTIC [L3 WITH TC] MONITORING SYSTEM AND CONTROL SYSTEM DEVICE RELATIONSHIP CHART[L3 WITH TC] id010239800200 ×: Applicable 01-02 Component Input Battery Ignition switch A/C switch, refrigerant pressure switch (high, low pressure) TP sensor ECT sensor IAT sensor MAF sensor HO2S (front) HO2S (rear) Fuel gauge sender unit...

  • Page 48

    ON-BOARD DIAGNOSTIC [L3 WITH TC] FOREWORD[L3 WITH TC] id010239800300 • 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 01-02-13 DTC TABLE[L3 WITH TC].) —...

  • Page 49

    ON-BOARD DIAGNOSTIC [L3 WITH TC] OBD-II DIAGNOSTIC MONITORING TEST RESULTS[L3 WITH TC] id010239800700 • These result from the intermittent monitor system technical data, which are used to determine whether the system is normal or not. They also display the system’s thresholds and diagnostic results. The intermittent monitor system monitors the oxygen sensor, EVAP purge system, catalyst and the EGR system.

  • Page 50

    ON-BOARD DIAGNOSTIC [L3 WITH TC] 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. • When using the IDS (notebook PC) 1.

  • Page 51

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Simulation Function 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. • When using the IDS (notebook PC) 1. Select the “Toolbox” tab. 2.

  • Page 52

    ON-BOARD DIAGNOSTIC [L3 WITH TC] AFTER REPAIR PROCEDURE[L3 WITH TC] id010239801100 1. Connect the M-MDS to the DLC-2. 2. Cycle the ignition switch from the off to the ON position. 3. Any retrieved DTCs. 4. Clear all diagnostic data using the M-MDS. End Of Sie DLC-2 acxuuw00001892...

  • Page 53

    ON-BOARD DIAGNOSTIC [L3 WITH TC] EGR System Repair Verification Drive Mode 1. Perform “PCM Adaptive Memory Production Drive Mode” first. 2. Verify all accessory loads (A/C, headlights, blower fan, rear window defroster) are off. 3. Drive the vehicle as shown in the graph. 4.

  • Page 54

    ON-BOARD DIAGNOSTIC [L3 WITH TC] EVAP System Repair Verification Drive Mode Note • If “EVAP System Repair Verification Drive Mode” cannot be performed (it is impossible to drive the vehicle under this drive mode condition), perform the EVAP system test procedure as an alternative. 1.

  • Page 55

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] Engine speed Vehicle speed Step Time Vehicle condition (rpm) (km/h {mph}) Idle the engine after the cooling fan T1: More than 10 s N3: Idle 0 {0} has stopped...

  • Page 56

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02-37 × P0089 Fuel pressure regulator performance Other C, O, R DTC P0089[L3 WITH TC].) (See01-02-38 Fuel pressure regulator control circuit ×...

  • Page 57

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type Engine cooling (See01-02-74 × P0126 Coolant thermostat stuck open system DTC P0126, P0128[L3 Engine cooling × P0128 Coolant thermostat stuck open WITH TC].) system (See01-02-76 01-02 ×...

  • Page 58

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02- 112 DTC × P0245 Turbocharger wastegate solenoid low Other C, O, R P0245[L3 WITH TC].) (See01-02- 114 DTC × P0246 Turbocharger wastegate solenoid high Other C, O, R P0246[L3...

  • Page 59

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02- Change over valve (COV) (EVAP 142 DTC × P0446 system leak detection pump) stuck C, R P0446[L3 close WITH TC].) (See01-02- 01-02 EVAP control system leak detected EVAP system 144 DTC ×...

  • Page 60

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02- 168 DTC × P0571 Brake switch circuit malfunction Other P0571[L3 WITH TC].) (See01-02- Internal control module memory 170 DTC × P0601 C, O, R check sum error P0601[L3 WITH TC].)

  • Page 61

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02- 191 DTC × P2096 Target A/F feedback system too lean Fuel system P2096[L3 WITH TC].) (See01-02- 01-02 194 DTC × P2097 Target A/F feedback system too rich Fuel system P2097[L3 WITH TC].)

  • Page 62

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02- 220 DTC × P2178 Fuel system too rich at off idle Fuel system C, R P2178[L3 WITH TC].) (See01-02- 223 DTC × P2187 Fuel system too lean at idle Fuel system C, R P2187[L3...

  • Page 63

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] Self-test Memory DTC No. Condition Monitor item Page function type (See01-02- 251 DTC × P2502 Generator terminal B circuit open – C, R P2502[L3 WITH TC].) (See01-02- 01-02 Generator output voltage signal no 252 DTC ×...

  • Page 64

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0011[L3 WITH TC] id010239801600 DTC P0011 CMP Timing over-advanced • Actual valve timing is over-advanced by 17 ° (when the following conditions are met) from the target valve timing when the OCV is controlled at the maximum valve timing retard condition.

  • Page 65

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF DTC P0011 Yes Replace the PCM, then go to the next step. (See 01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH COMPLETED • Make sure to reconnect all the disconnected TC].) connectors. Go to the next step. •...

  • Page 66

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TIMING CHAIN INSTALLATION Yes Go to the next step. • Stop the engine. Reinstall the timing chain, then go to Step 8. • Remove the timing chain cover. • Is the camshaft timing mark at the correct point? (See 01-10-10 TIMING CHAIN REMOVAL/ INSTALLATION[L3 WITH TC].)

  • Page 67

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0016[L3 WITH TC] id010239801800 DTC P0016 CKP-CMP correlation • The PCM monitors the input pulses from the CKP sensor and CMP sensor. If the input pulse pick-up timing do not match each other, the PCM determines that the camshaft position does not coincide with the crankshaft position.

  • Page 68

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT CKP SENSOR FOR FOREIGN Yes Remove foreign material from the CKP sensor, then go to Step 13. MATERIAL • Remove the CKP sensor. Go to the next step. • Inspect the CKP sensor for foreign material. •...

  • Page 69

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0030 Front HO2S heater control circuit problem • Front HO2S heater malfunction • Connector or terminal malfunction • Open circuit in wiring harness between front HO2S heater terminal 2D and PCM terminal 2C POSSIBLE •...

  • Page 70

    ON-BOARD DIAGNOSTIC [L3 WITH TC] End Of Sie DTC P0031[L3 WITH TC] id010239802000 DTC P0031 Front HO2S heater circuit low input • The PCM monitors the front HO2S heater output voltage. If the PCM turns the front HO2S heater off or on but the front HO2S heater circuit voltage remains low the PCM determines that the front HO2S heater circuit has a malfunction.

  • Page 71

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY RELATED REPAIR INFORMATION Yes Perform the repair or diagnosis according to the available repair information. AVAILABILITY • If the vehicle is not repaired, go to the next step. • Verify related Service Bulletins and/or on-line repair information availability.

  • Page 72

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0032[L3 WITH TC] id010239802100 DTC P0032 Front HO2S heater circuit high input • The PCM monitors the front HO2S heater output voltage. If the PCM turns the front HO2S heater on or off but the front HO2S heater circuit voltage remains high the PCM determines that the front HO2S heater circuit has a malfunction.

  • Page 73

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 74

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0037[L3 WITH TC] id010239802200 DTC P0037 Rear HO2S heater circuit low input • The PCM monitors the rear HO2S heater output voltage. If the PCM turns the rear HO2S heater on or off but the rear HO2S heater circuit voltage remains low the PCM determines that the rear HO2S heater circuit has a malfunction.

  • Page 75

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT REAR HO2S CONNECTOR FOR Yes Repair or replace the terminal, then go to Step 9. POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the rear HO2S connector. •...

  • Page 76

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0038[L3 WITH TC] id010239802300 DTC P0038 Rear HO2S heater circuit high input • The PCM monitors the rear HO2S heater output voltage. If the PCM turns the rear HO2S heater off but the rear HO2S heater circuit voltage remains high the PCM determines that the rear HO2S heater circuit has a malfunction.

  • Page 77

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 78

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0069[L3 WITH TC] id010239802400 DTC P0069 Manifold absolute pressure/atmospheric pressure correlation • PCM monitors differences between intake manifold vacuum and atmospheric pressure. If the difference is below –12 kPa {–90 mmHg, –3.5 inHg} or above 12 kPa {90 mmHg, 3.5 inHg} when the following conditions are met, the PCM determines that there is a MAP sensor performance problem.

  • Page 79

    ON-BOARD DIAGNOSTIC [L3 WITH TC] End Of Sie DTC P0089[L3 WITH TC] id010239802500 DTC P0089 Fuel pressure regulator performance • If the fuel pressure average value measured by the PCM exceeds the specification when the camshaft is rotating at a specified rate, the PCM determines that there is a fuel pressure regulator performance problem.

  • Page 80

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0091[L3 WITH TC] id010239802600 DTC P0091 Fuel pressure regulator control circuit low • When the PCM turns the spill valve control solenoid valve off but the spill valve control solenoid valve control circuit voltage is low, the PCM determines that the spill valve control solenoid valve control circuit has malfunction.

  • Page 81

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT HIGH PRESSURE FUEL PUMP Yes Repair or replace the terminal, then go to Step 8. CONNECTOR FOR POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the high pressure fuel pump connector.

  • Page 82

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0092[L3 WITH TC] id010239802700 DTC P0092 Fuel pressure regulator control circuit high • When the PCM turns the spill valve control solenoid valve on but the spill valve control solenoid valve circuit voltage is high, the PCM determines that the spill valve control solenoid valve control circuit has malfunction.

  • Page 83

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record the FREEZE FRAME DATA on the repair order, • Has the FREEZE FRAME DATA been then go to the next step. recorded? VERIFY RELATED REPAIR INFORMATION Yes Perform the repair or diagnosis according to the available...

  • Page 84

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0096[L3 WITH TC] id010239802800 DTC P0096 Boost air temperature sensor circuit range/performance problem • If the intake air temperature is higher than the engine coolant temperature by 23 °C {41.4 °F} for 1.2 s with the ignition switch turn to the ON position*, the PCM determines that there is a boost air temperature sensor circuit range/performance problem.

  • Page 85

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 86

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0097[L3 WITH TC] id010239802900 DTC P0097 Boost air temperature sensor circuit low • If the PCM detects that the boost air temperature sensor voltage is 0.1 V or less, the PCM determines that the boost air temperature sensor circuit voltage is low. Diagnostic support note DETECTION •...

  • Page 87

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 88

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0098[L3 WITH TC] id010239803000 DTC P0098 Boost air temperature sensor circuit high • If the PCM detects that the boost air temperature sensor voltage is 4.96 V or more, the PCM determines that the boost air temperature sensor circuit voltage is high. Diagnostic support note DETECTION •...

  • Page 89

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT MAP/BOOST AIR TEMPERATURE Yes Repair or replace the terminal, then go to Step 8. SENSOR CONNECTOR FOR POOR Go to the next step. CONNECTION • Turn the ignition switch off. • Disconnect the MAP/boost air temperature sensor connector.

  • Page 90

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0101[L3 WITH TC] id010239803100 DTC P0101 MAF circuit range/performance problem • PCM monitors the mass intake air flow amount when the engine is running. — If the mass intake air amount is above 71.8 l/s for 6 s and engine speed is below 2,000 rpm with the engine running, the PCM determines that detected mass intake air flow amount is too high.

  • Page 91

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT PCM CONNECTOR FOR POOR Yes Repair terminal, then go to the next step. CONNECTION Go to the next step. • Disconnect the PCM connector. • Check for poor connection (damaged, pulled- out pins, corrosion, etc.).

  • Page 92

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0102[L3 WITH TC] id010239803200 DTC P0102 MAF circuit low input • PCM monitors input voltage from the MAF sensor when engine is running. If the input voltage is below 0.21 V, the PCM determines that the MAF circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 93

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 94

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0103[L3 WITH TC] id010239803300 DTC P0103 MAF circuit high input • The PCM monitors input voltage from the MAF sensor when the engine is running. If the input voltage is above 4.9 V, the PCM determines that the MAF circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 95

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 96

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0107[L3 WITH TC] id010239803400 DTC P0107 MAP sensor circuit low input • PCM monitors input voltage from the MAP sensor when the intake air temperature is above –10 °C {14 °F}. If the input voltage is below 0.10 V, the PCM determines that the MAP sensor circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 97

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Recorded FREEZE FRAME DATA on the repair order, then • Has the FREEZE FRAME DATA been go to the next step. recorded? VERIFY RELATED REPAIR INFORMATION Yes Perform the repair or diagnosis according to the available...

  • Page 98

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0108[L3 WITH TC] id010239803500 DTC P0108 MAP sensor circuit high input • PCM monitors input voltage from the MAP sensor when the intake air temperature is above –10 °C {14 °F}. If the input voltage is above 4.9 V, the PCM determines that MAP sensor circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 99

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 100

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0111[L3 WITH TC] id010239803600 DTC P0111 IAT circuit performance problem • If the intake air temperature is higher than the engine coolant temperature by 18 °C {32.4 °F} for 1.2 s with the ignition switch turn in the ON position*, the PCM determines that there is an IAT sensor circuit range/ performance problem.

  • Page 101

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0112[L3 WITH TC] id010239803700 DTC P0112 IAT circuit low input • The PCM monitors the IAT sensor signal. If the PCM detects on IAT sensor voltage below 0.06 V, the PCM determines that the IAT sensor circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 102

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 103

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0113[L3 WITH TC] id010239803800 DTC P0113 IAT circuit high input • The PCM monitors the IAT sensor signal. If the PCM detected IAT sensor voltage above 4.9 V, the PCM determines that the IAT sensor circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 104

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT IAT SENSOR CONNECTOR FOR Yes Repair or replace the terminal, then go to Step 9. POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the MAF/IAT sensor connector. •...

  • Page 105

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0116[L3 WITH TC] id010239803900 DTC P0116 ECT circuit range/performance problem • The PCM monitors the maximum value and minimum value of engine coolant temperature when the engine is started and5 min have been passed after leaving the vehicle 6 h or more. If the difference between the maximum and the minimum values of the engine coolant temperature is below 6 °C {10.8 °F}, the PCM determines that there is an ECT circuit range/performance problem.

  • Page 106

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT ECT SENSOR Yes Replace the ECT sensor, then go to Step 6. • Inspect the ECT sensor. (See01-40-24 ENGINE COOLANT TEMPERATURE (ECT) SENSOR REMOVAL/INSTALLATION[L3 WITH TC].) (See01-40-25 ENGINE COOLANT TEMPERATURE (ECT) SENSOR Go to the next step.

  • Page 107

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0117 ECT sensor circuit low input ECT SENSOR 01-02 ECT SENSOR WIRING HARNESS-SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O 2G 2C...

  • Page 108

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT ECT SIGNAL CIRCUIT FOR SHORT Yes Repair or replace the wiring harness for a short to ground, then go to Step 7. TO GROUND • Turn the ignition switch off. Go to the next step. •...

  • Page 109

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0118 ECT sensor circuit high input ECT SENSOR 01-02 ECT SENSOR WIRING HARNESS-SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O 2G 2C...

  • Page 110

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT ECT SENSOR SIGNAL CIRCUIT FOR Yes Repair or replace the wiring harness for a short to power supply, then go to Step 9. SHORT TO POWER • Turn the ignition switch to the ON position Go to the next step.

  • Page 111

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0122 TP sensor No.1 circuit low input TP SENSOR NO.1 (THROTTLE BODY) 01-02 THROTTLE BODY HARNESS SIDE CONNECTOR HARNESS SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O...

  • Page 112

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT POWER SUPPLY CIRCUIT VOLTAGE Yes Go to the next step. AT THROTTLE BODY CONNECTOR Repair or replace for an open circuit between throttle body connector terminal B (harness-side) and PCM connector Note terminal 2AO (harness-side).

  • Page 113

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0123 TP sensor No.1 circuit high input TP SENSOR NO.1 (THROTTLE BODY) 01-02 THROTTLE BODY HARNESS SIDE CONNECTOR HARNESS SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O...

  • Page 114

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT TP1 SIGNAL CIRCUIT FOR OPEN Yes Go to the next step. CIRCUIT Repair or replace for short to a power supply. Then, go to • Turn ignition switch to the ON position (Engine Step 10.

  • Page 115

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 116

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0126, P0128[L3 WITH TC] id010239815400 DTC P0126 Coolant thermostat stuck open DTC P0128 DTC P0126 • If the ECT signal never exceeds 71 °C {160 °F} after engine start for specified period, PCM determines that the coolant thermostat is stuck open.

  • Page 117

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY MONITORING CONDITION FOR Yes Take corrective action (e.g. cool down engine), then repeat this step. REPAIR VERIFICATION • Make sure to reconnect all disconnected Go to the next step for DTC P0126 or go to step 7 for DTC connectors.

  • Page 118

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF DTC P0128 Yes Go to the next step. COMPLETED Replace PCM, then go to the next step. • Start engine and turn off E/L and A/C. • Access DIAGNOSTIC MONITORING TEST RESULTS using the M-MDS and monitor TEST #10: E1: 80 (Heat radiation ratio) or #10: E1: 81 (ECT).

  • Page 119

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0131 Front HO2S circuit low input FRONT HO2S 01-02 FRONT HO2S WIRING HARNESS-SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O 2G 2C...

  • Page 120

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FRONT HO2S CIRCUIT FOR SHORT Yes Repair or replace the wiring harness for a possible short to ground, then go to Step 10. TO GROUND • Turn the ignition switch off. Go to the next step.

  • Page 121

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0132[L3 WITH TC] id010239804700 DTC P0132 Front HO2S circuit high input • The PCM monitors the input voltage from the front HO2S when the engine is running. If the input voltage is less than 1.0 V for 2 s, the PCM determines that the front HO2S circuit voltage is high. Diagnostic support note •...

  • Page 122

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY RELATED PENDING OR STORED DTC Yes Go to the appropriate DTC troubleshooting procedures. • Turn the ignition switch off, then to the ON (See01-02-13 DTC TABLE[L3 WITH TC].) position (Engine off). Go to the next step.

  • Page 123

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0133[L3 WITH TC] id010239804800 DTC P0133 Front HO2S circuit slow response • An oxygen sensor malfunction can be detected by measuring the average frequency of the oxygen sensor signal, time required to pass from rich to lean, and the time required to pass from lean to rich. •...

  • Page 124

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY CURRENT INPUT SIGNAL STATUS Yes Go to Step 8. • Warm up the engine. Go to the next step. • Access the O2S11 PID using the M-MDS. • Inspect the PID under the following accelerator pedal conditions in NEUTRAL.

  • Page 125

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF DTC P0133 Yes Replace the PCM, then go to the next step. (See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH COMPLETED • Make sure to reconnect all disconnected TC].) connectors. Go to the next step. •...

  • Page 126

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0134 Front HO2S no activity detected FRONT HO2S MAIN RELAY FRONT HO2S HEATER FRONT HO2S WIRING HARNESS-SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O...

  • Page 127

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION IDENTIFY TRIGGER DTC FOR FREEZE FRAME Yes Go to the next step. DATA Go to troubleshooting procedures for the DTC on the • Is DTC P0134 on the FREEZE FRAME DATA? FREEZE FRAME DATA. (See01-02-13 DTC TABLE[L3 WITH TC].) VERIFY CURRENT INPUT SIGNAL STATUS Yes Go to Step 8.

  • Page 128

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0137[L3 WITH TC] id010239805000 DTC P0137 Rear HO2S circuit low input • The PCM monitors the input voltage from the rear HO2S. If the input voltage from the rear HO2S sensor is below 0.1 V for 41.6 s, the PCM determines that the circuit input is low. MONITORING CONDITIONS —...

  • Page 129

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 130

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0138[L3 WITH TC] id010239805100 DTC P0138 Rear HO2S circuit high input • The PCM monitors the input voltage from the rear HO2S. If the input voltage from the rear HO2S sensor is above 1.2 V for 0.8 s, the PCM determines that the circuit input is high. Diagnostic support note •...

  • Page 131

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 132

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0139[L3 WITH TC] id010239805200 DTC P0139 Rear HO2S circuit problem • The PCM monitors the rich (0.4 V) to lean (0.3 V) response time of the rear HO2S. The PCM measures the response time when the following conditions are met. The PCM determines that the rear HO2S response deteriorated when the measured response time is more than the threshold value (130 ms) five consecutive times.

  • Page 133

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY RELATED PENDING AND STORED Yes Go to DTC P0443 troubleshooting procedures, then go to Step 13. • Turn the ignition switch off, then to the ON Go to the next step. position (Engine off).

  • Page 134

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT SEALING OF ENGINE COOLANT Yes Go to the next step. PASSAGE Repair or replace the malfunctioning part according to • Perform the “ENGINE COOLANT LEAKAGE inspection results. INSPECTION.” Then go to the next step. (See01-12-6 ENGINE COOLANT LEAKAGE INSPECTION[L3 WITH TC].) •...

  • Page 135

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0140 Rear HO2S no activity detected REAR HO2S 01-02 REAR HO2S WIRING HARNESS-SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 1BE 1BA 1AW 1AS 1AO 1AK 1AG 1AC 1Y 1U 1Q 1M 1E 1A 1BF 1BB 1AX 1AT 1AP 1AL 1AH 1AD 1Z 1V 1R 1N 1F 1B 1BG 1BC 1AY 1AU 1AQ 1AM 1AI 1AE 1AA 1W 1S 1O 1G 1C...

  • Page 136

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY CURRENT INPUT SIGNAL STATUS Yes Go to Step 8. • Warm up the engine. Go to the next step. • Access the O2S12 or the P0140 PID using the M-MDS. • Verify the PID while racing the engine at least 10 times in NEUTRAL.

  • Page 137

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0192[L3 WITH TC] id010239805400 DTC P0192 Fuel pressure sensor circuit low input • If the input voltage from the fuel pressure sensor is less than 0.19 V for 1.3 s, the PCM determines that the fuel pressure sensor circuit is low.

  • Page 138

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL PRESSURE SENSOR Yes Repair or replace the terminal, then go to Step 7. CONNECTOR FOR POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the fuel pressure sensor connector. •...

  • Page 139

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0193 Fuel pressure sensor circuit high input FUEL PRESSURE SENSOR 01-02 FUEL PRESSURE SENSOR HARNESS SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O...

  • Page 140

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT PCM CONNECTOR FOR POOR Yes Repair or replace the terminal, then go to Step 8. CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the PCM connector. •...

  • Page 141

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0201 Injector circuit/open cylinder No.1 FUEL INJECTOR NO.1 01-02 FUEL INJECTOR NO.1 WIRING HARNESS-SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O 2G 2C...

  • Page 142

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL INJECTOR NO.1 CIRCUIT FOR Yes Repair or replace the wiring harness for a possible short to power supply, then go to Step 10. SHORT TO POWER SUPPLY • Turn the ignition switch to the ON position Go to the next step.

  • Page 143

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0202[L3 WITH TC] id010239805700 DTC P0202 Injector circuit/open cylinder No.2 • If the fuel injection verification signal is not input at 255 times continuously even though the PCM drives the fuel injector No.2, the PCM determines that there is an open circuit in the fuel injector No.2 control circuit. MONITORING CONDITION —...

  • Page 144

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL INJECTOR NO.2 CONNECTOR Yes Repair or replace the terminal, then go to Step 10. FOR POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the fuel injector No.2 connector. •...

  • Page 145

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0203[L3 WITH TC] id010239805800 DTC P0203 Injector circuit/open cylinder No.3 • If the fuel injection verification signal is not input at 255 times continuously even though the PCM drives fuel injector No.3, the PCM determines that there is an open circuit in the fuel injector No.3 control circuit. MONITORING CONDITION —...

  • Page 146

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL INJECTOR NO.3 CONNECTOR Yes Repair or replace the terminal, then go to Step 10. FOR POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the fuel injector No.3 connector. •...

  • Page 147

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0204[L3 WITH TC] id010239805900 DTC P0204 Injector circuit/open cylinder No.4 • If the fuel injection verification signal is not input at 255 times continuously even though the PCM drives fuel injector No.4, the PCM determines that there is an open circuit in the fuel injector No.4 control circuit. MONITORING CONDITION —...

  • Page 148

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL INJECTOR NO.4 CONNECTOR Yes Repair or replace the terminal, then go to Step 10. FOR POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the fuel injector No.4 connector. •...

  • Page 149

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0222[L3 WITH TC] id010239806000 DTC P0222 TP sensor No.2 circuit low input • If PCM detects that the TP sensor No.2 voltage is below 0.2 V after the ignition switch to the ON position, the PCM determines that TP circuit has a malfunction.

  • Page 150

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT TP SENSOR CONNECTOR FOR Yes Repair or replace the terminal, then go to Step 8. POOR CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the TP sensor connector. •...

  • Page 151

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0223[L3 WITH TC] id010239806100 DTC P0223 TP sensor No.2 circuit high input • If the PCM detects that the TP sensor No.2 voltage is above 4.85 V after the ignition switch to the ON position, the PCM determines that the TP circuit has a malfunction.

  • Page 152

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT TP SENSOR Yes Go to the next step. • Perform the TP sensor inspection. Replace the throttle body, then go to Step 8. (See01-40-32 THROTTLE POSITION (TP) SENSOR INSPECTION[L3 WITH TC]) •...

  • Page 153

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0234[L3 WITH TC] id010239806200 DTC P0234 Turbocharger over boost condition • If the manifold absolute pressure or charging efficiency are more than the specification for the specified period of time, the PCM determines that the turbocharger is in an over boost condition. MONITORING CONDITIONS —...

  • Page 154

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0245[L3 WITH TC] id010239806300 DTC P0245 Turbocharger wastegate solenoid low • When the PCM turns the wastegate control solenoid valve off but the wastegate control solenoid valve circuit voltage is low, the PCM determines that the wastegate control solenoid valve control circuit voltage is low.

  • Page 155

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record the FREEZE FRAME DATA on the repair order, • Has the FREEZE FRAME DATA been then go to the next step. recorded? VERIFY RELATED REPAIR INFORMATION Yes Perform repair or diagnosis according to the available...

  • Page 156

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0246[L3 WITH TC] id010239806400 DTC P0246 Turbocharger wastegate solenoid high • When the PCM turns the wastegate control solenoid valve on but the wastegate control solenoid valve circuit voltage is high, the PCM determines that the wastegate control solenoid valve control circuit voltage is high.

  • Page 157

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT WASTEGATE CONTROL SOLENOID Yes Replace the wastegate control solenoid valve, then go to Step 7. VALVE • Inspect the wastegate control solenoid valve. (See01-13-5 INTAKE AIR SYSTEM REMOVAL/ INSTALLATION[L3 WITH TC].) (See01-13-14 WASTEGATE CONTROL SOLENOID VALVE INSPECTION[L3 WITH Go to the next step.

  • Page 158

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0300 Random misfire detected • CKP sensor malfunction • CMP sensor malfunction • Ignition coil malfunction • Ignition system malfunction • MAF sensor contamination • Excess air suction in intake air system (between MAF sensor and intake manifold) •...

  • Page 159

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY CKP SENSOR INSTALLATION Yes Retighten the CKP sensor, then go to Step. CONDITION Go to the next step. • Inspect the CKP sensor for looseness. • Is the CKP sensor loose? INSPECT IGNITION COIL HARNESSES Yes Go to the next step.

  • Page 160

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT OPERATION OF PURGE CONTROL Yes Go to the next step. SOLENOID VALVE Replace the purge control solenoid valve, then go to Step • Turn the ignition switch off. • Connect the vacuum pump to the purge control solenoid valve and apply vacuum to the solenoid.

  • Page 161

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL PRESSURE (LOW-SIDE) Yes Go to the next step. • Connect the fuel pressure gauge between the Inspect for the following. • Fuel line restriction fuel pump and the high pressure fuel pump. •...

  • Page 162

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 163

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL INJECTOR WIRING HARNESS Yes Go to the next step. • Remove the intake air system parts. Inspect the fuel injector wiring harnesses. • Disconnect the fuel injector connector on Repair or replace if necessary, then go to Step 14. suspected cylinder.

  • Page 164

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0327[L3 WITH TC] id010239806700 DTC P0327 Knock sensor circuit low input • PCM monitors the input signal from the knock sensor when the engine is running. If the input voltage at the PCM terminals between 2V and 2U is below 0.12 V, the PCM determines that the knock sensor circuit has a malfunction.

  • Page 165

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT KNOCK SENSOR Yes Go to the next step. • Perform the knock sensor inspection. Replace the knock sensor, then go to the next step. (See01-40-47 KNOCK SENSOR (KS) INSPECTION[L3 WITH TC]) •...

  • Page 166

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0328[L3 WITH TC] id010239806800 DTC P0328 Knock sensor circuit high input • PCM monitors the input signal from the knock sensor when the engine is running. If the input voltage at the PCM terminals between 2V and 2U is below 4.9 V, the PCM determines that the knock sensor circuit has a malfunction.

  • Page 167

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 168

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0335[L3 WITH TC] id010239806900 DTC P0335 CKP sensor circuit malfunction • If the PCM does not receive the input voltage from the CKP sensor for 4.2 s while the MAF is 2.0 g/s {0.26 lb/min.} or above, the PCM determines that the CKP sensor circuit has a malfunction.

  • Page 169

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 170

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT CKP SENSOR Yes Go to the next step. • Turn the ignition switch off. Inspect the CKP sensor pulse wheel for damage. Replace • Perform the CKP sensor inspection. the CKP sensor pulse wheel and go to the next step. (See01-40-43 CRANKSHAFT POSITION (CKP) SENSOR INSPECTION[L3 WITH TC]) •...

  • Page 171

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0340 Camshaft position (CMP) sensor circuit malfunction MAIN RELAY CMP SENSOR 01-02 CMP SENSOR WIRING HARNESS SIDE CONNECTOR WIRING HARNESS-SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O...

  • Page 172

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT CMP CIRCUIT FOR SHORT TO Yes Repair or replace the suspected wiring harness, then go to Step 15. POWER • Turn ignition switch OFF. Go to the next step. • Disconnect the CMP sensor connector. •...

  • Page 173

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT STOPPER PIN MECHANISM Yes Go to the next step. • Remove the timing chain. Replace the variable valve timing actuator, then go to Step • Inspect the stopper pin. (See01-10-27 VARIABLE VALVE TIMING ACTUATOR INSPECTION[L3 WITH TC].) •...

  • Page 174

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 175

    ON-BOARD DIAGNOSTIC [L3 WITH TC] End Of Sie DTC P0403[L3 WITH TC] id010239807100 DTC P0403 EGR valve (stepper motor) circuit malfunction • PCM monitors the input voltage from the EGR valve. If the voltage remain low or high, the PCM determines that the EGR valve circuit has a malfunction.

  • Page 176

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 177

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT CONTROL CIRCUIT FOR OPEN Yes Go to the next step. CIRCUIT Repair or replace harness for open circuit then go to the • Remove the PCM with PCM connector next step. connected.

  • Page 178

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY RELATED REPAIR INFORMATION Yes Perform the repair or diagnosis according to the available repair information. AVAILABILITY • If the vehicle is not repaired, go to the next step. • Verify related Service Bulletins and/or on-line repair information availability.

  • Page 179

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0441[L3 WITH TC] id010239041100 DTC P0441 Evaporative emission control system incorrect purge flow • PCM measures the purge line pressure under the following conditions. If the vacuum between the charcoal canister and the intake manifold does not reach the specification, PCM determines that the EVAP system is clogged.

  • Page 180

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION LOCATE LEAK POINT Yes Repair leakage or replace the part, then go to Step 10. • Inspect the following for leakage using the Go to the next step. ultrasonic leak detector. — Charcoal canister —...

  • Page 181

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0442[L3 WITH TC] id010239807500 DTC P0442 Evaporative emission control system leak detected (small leak) • PCM measures the pump load current (EVAP line pressure) when the specified period has passed after the EVAP system is sealed when the monitoring conditions are met. If the load does not reach the reference current value within the specified period, the PCM determines that the EVAP system has a small leak.

  • Page 182

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT PURGE SOLENOID VALVE Yes Go to the next step. • Inspect purge solenoid valve is stuck closed. Replace the purge solenoid valve, then go to Step 10. (See01-16-9 PURGE SOLENOID VALVE INSPECTION[L3 WITH TC].) •...

  • Page 183

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0443 EVAP control system purge control valve circuit malfunction MAIN RELAY PURGE SOLENOID VALVE 01-02 PURGE SOLENOID VALVE WIRING HARNESS SIDE CONNECTOR WIRING HARNESS SIDE CONNECTOR 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B...

  • Page 184

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT PURGE SOLENOID VALVE POWER Yes Go to the next step. SUPPLY CIRCUIT FOR OPEN CIRCUIT Repair or replace the wiring harness for an open circuit, • Turn ignition switch to the ON position (Engine then go to Step 10.

  • Page 185

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0446 Change over valve (COV) (EVAP system leak detection pump) stuck close MAIN RELAY EVAP SYSTEM LEAK DETECTION PUMP 01-02 EVAP SYSTEM LEAK DETECTION PUMP PCM WIRING WIRING HARNESS-SIDE CONNECTOR HARNESS-SIDE CONNECTOR 1BE 1BA 1AW 1AS 1AO 1AK 1AG 1AC 1Y 1U 1Q 1M 1E 1A 1BF 1BB 1AX 1AT 1AP 1AL 1AH 1AD 1Z 1V 1R 1N 1F 1B...

  • Page 186

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF DTC P0446 Yes Replace the PCM, then go to the next step. COMPLETED Go to the next step. • Make sure to reconnect all disconnected connectors. • Turn the ignition switch to the ON position (Engine off).

  • Page 187

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 188

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY POOR CONNECTION OF VACUUM Yes Connect the vacuum hose correctly, then go to Step 17. HOSE Go to the next step. • Verify the vacuum hose installation condition between the fuel tank and the charcoal canister.

  • Page 189

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0456[L3 WITH TC] id010239807900 DTC P0456 Evaporative emission control system leak detected (very small leak) • PCM measures the pump load current (EVAP line pressure) when a specified period has passed after the EVAP system is sealed when monitoring conditions are met. If the load does not reach the reference load value or the rate of the load increase is lower than the specification within a specified period, the PCM determines that the EVAP system has a very small leak.

  • Page 190

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION LOCATE LEAK POINT Yes Repair the leakage or replace the part, then go to Step 10. • Check for leakage for the following using the Go to the next step. Evaporative Emission Tester —...

  • Page 191

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0461[L3 WITH TC] id010239808000 DTC P0461 Fuel gauge sender unit circuit range/performance • PCM monitors the fuel level voltage difference before and after the PCM-calculated fuel consumption has reached 25 L {26.4 US qt., 22 Imp qt.}. If the difference is 5% less than the PCM-calculated fuel consumption, the PCM determines that the fuel gauge sender unit range/performance is in error.

  • Page 192

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0462[L3 WITH TC] id010239808100 DTC P0462 Fuel gauge sender unit circuit low input • The PCM monitors the signals of the fuel level and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects that the fuel level or fuel gauge sender unit output voltage is too low, the PCM determines that the fuel gauge sender unit circuit has a malfunction.

  • Page 193

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0463[L3 WITH TC] id010239808200 DTC P0463 Fuel gauge sender unit circuit high input • The PCM monitors the signals of the fuel level and fuel gauge sender unit output voltage from the instrument cluster. If the PCM detects that the fuel level or fuel gauge sender unit output voltage is too high, the PCM determines that the fuel gauge sender unit circuit has a malfunction.

  • Page 194

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0480[L3 WITH TC] id010239807400 DTC P0480 Fan control circuit problem • The PCM monitors the input voltage from the fan control module No.1. If the voltage remains low or high, the PCM determines that the fan control circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 195

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record the FREEZE FRAME DATA on the repair order, • Has the FREEZE FRAME DATA been then go to the next step. recorded? VERIFY RELATED REPAIR INFORMATION Yes Perform the repair or diagnosis according to the available...

  • Page 196

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0481[L3 WITH TC] id010239815200 DTC P0481 Fan control circuit problem • The PCM monitors the input voltage from the fan control module No.2. If the voltage remains low or high, the PCM determines that the fan control circuit has a malfunction. Diagnostic support note DETECTION •...

  • Page 197

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FAN CONTROL MODULE No.2 Yes Repair or replace the wiring harness for an open circuit, then go to Step 9. SIGNAL CIRCUIT FOR SHORT TO POWER SUPPLY Go to the next step.

  • Page 198: Dtc P050a

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P050A Cold start idle air control system performance • The air into the fuel line by exchange or re-installation • Electronic throttle control system malfunction POSSIBLE • Throttle valve stuck or blockage CAUSE •...

  • Page 199

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY AFTER REPAIR PROCEDURE Yes Go to the applicable DTC troubleshooting.(See01-02-13 • Perform the AFTER REPAIR PROCEDURE. DTC TABLE[L3 WITH TC].) (See01-02-10 AFTER REPAIR Go to the next step.

  • Page 200

    2007 Mazda CX-7 Workshop Manual (1871–1U–06B) ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VISUALLY INSPECT CMP SENSOR AND PULSE Yes Replace the suspected part, then go to Step 10. WHEEL Go to the next step. • Visually inspect for CMP sensor and pulse wheel.

  • Page 201

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF DTC P0500 Yes Replace the PCM, then go to the next step. (See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH COMPLETED • Make sure to reconnect all disconnected TC].) connectors. Go to the next step. •...

  • Page 202

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT A/C MAGNETIC CLUTCH OPERATION Yes Go to “A/C ALWAYS ON / A/C COMPRESSOR RUNS CONTINUOUSLY.” of ENGINE SYMPTOM TROUBLESHOOTING then go to Step 9. Note • The following test should be performed for (See01-03-5 ENGINE SYMPTOM TROUBLESHOOTING[L3 WITH TC].) vehicles with A/C.

  • Page 203

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 204

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF DTC P0506 Yes Replace the PCM, then go to the next step. COMPLETED Go to the next step. • Make sure to reconnect all disconnected connectors. • Start the engine. •...

  • Page 205

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT ELECTRONIC THROTTLE CONTROL Yes Go to the next step. SYSTEM MALFUNCTION Replace the necessary parts, then go to the next step. • Inspect the following parts: — APP sensor (See01-40-33 ACCELERATOR PEDAL POSITION (APP) SENSOR INSPECTION[L3 WITH TC].) 01-02...

  • Page 206

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0550[L3 WITH TC] id010239808800 DTC P0550 PSP switch circuit malfunction • The PCM monitors the PSP switch signal, If the input voltage is low voltage (switch stays on) for 1 min. when the VSS is above 60.0 km/h {37.4 mph} and the ECT is above 60 °C {140 °F}, the PCM determines that the PSP switch circuit has a malfunction.

  • Page 207

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT PSP CONNECTOR FOR POOR Yes Repair or replace the terminal, then go to Step 8. CONNECTION Go to the next step. • Turn the ignition switch off. • Disconnect the PSP connector. •...

  • Page 208

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0564[L3 WITH TC] id010239808900 DTC P0564 Cruise control switch circuit malfunction • The PCM monitors the cruise control switch signal. If the PCM detects that any one of following switches (Main, CANCEL, SET/COAST, RESUME/ACCEL) remains on for 2 min, the PCM determines that the cruise control switch circuit has a malfunction.

  • Page 209

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY RELATED REPAIR INFORMATION Yes Perform the repair or diagnosis according to the available repair information. AVAILABILITY • If the vehicle is not repaired, go to the next step. • Check for related Service Bulletins and/or on- line repair information availability.

  • Page 210

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0571[L3 WITH TC] id010239809000 DTC P0571 Brake switch circuit problem • The PCM monitors the change in the input voltage for brake switch No.1 and No.2. If the PCM detects that both brake switches No.1 and No.2 remain on or off for 15 s, it determines that the brake switch circuit has a malfunction.

  • Page 211

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY RELATED PENDING CODE OR Yes Go to the applicable DTC inspection. (See01-02-13 DTC TABLE[L3 WITH TC].) STORED DTC • Turn the ignition switch off then to the ON Go to the next step. position (Engine off).

  • Page 212

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0601[L3 WITH TC] id010239809100 DTC P0601 Internal control module memory check sum error • PCM internal memory check sum error. Diagnostic support note • This is a continuous monitor (CCM). DETECTION • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle. CONDITION •...

  • Page 213

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 214

    ON-BOARD DIAGNOSTIC [L3 WITH TC] End Of Sie DTC P0606[L3 WITH TC] id010239809400 DTC P0606 ECM/PCM processor • PCM internal CPU malfunction. Diagnostic support note • This is a continuous monitor (CCM). DETECTION • MIL illuminates if the PCM detects the above malfunction condition during the first drive cycle. CONDITION •...

  • Page 215

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY TROUBLESHOOTING OF P0607 Yes Replace PCM, go to the next step. (See01-40-6 PCM REMOVAL/INSTALLATION[L3 WITH COMPLETED • Make sure to reconnect all disconnected TC].) connectors. Go to the next step. • Clear the DTC from the PCM memory using the M-MDS.

  • Page 216

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0638[L3 WITH TC] id010239809800 DTC P0638 Throttle actuator control range/performance • The PCM compares the actual TP with the target TP when the engine is running. If the difference is more than the specification, the PCM determines that there is a throttle actuator control circuit range/ performance problem.

  • Page 217

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P0703 Brake switch No.1 circuit malfunction • Brake switch malfunction • Poor connection of the brake switch connector or the PCM connector • Short to the power supply between brake switch terminal D and PCM connector terminal 1AB POSSIBLE •...

  • Page 218

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION CLASSIFY BRAKE SWITCH OR CIRCUIT Yes Go to the next step. • Connect the M-MDS to the DLC-2. Go to Step 7. • Access the BOO PID. • Connect a jumper wire between brake switch terminal B and D (harness-side).

  • Page 219

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY AFTER REPAIR PROCEDURE Yes Go to the applicable DTC inspection. • Perform the “After Repair Procedure”. (See01-02-13 DTC TABLE[L3 WITH TC].) (See01-02-10 AFTER REPAIR Troubleshooting completed. PROCEDURE[L3 WITH TC].) • Are any DTCs present? End Of Sie 01-02 WM: DTC P12XX...

  • Page 220

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P2004[L3 WITH TC] id010239810200 DTC P2004 Variable swirl control system shutter valve stuck open • PCM monitors the mass variable swirl shutter valve position using the variable swirl shutter valve switch. If the PCM turns variable swirl solenoid valve on but variable swirl shutter valve position still remains open (variable swirl shutter valve switch is on), the PCM determines that the variable swirl shutter valve is stuck open.

  • Page 221

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 222

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT VARIABLE SWIRL SOLENOID VALVE Yes Repair or replace the terminal, then go to Step 13. OR VARIABLE SWIRL SHUTTER VALVE Go to the next step. SWICTH CONNECTOR FOR POOR CONNECTION • Turn the ignition switch to off. •...

  • Page 223

    ON-BOARD DIAGNOSTIC [L3 WITH TC] End Of Sie DTC P2006[L3 WITH TC] id010239810300 DTC P2006 Variable swirl control system shutter valve stuck closed • PCM monitors the mass variable swirl shutter valve position using the variable swirl shutter valve switch. If PCM turns the variable swirl solenoid valve off but the variable swirl position still remains closed (variable swirl shutter valve switch is off), the PCM determines that the variable swirl shutter valve is stuck closed.

  • Page 224

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 225

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT VARIABLE SWIRL SOLENOID VALVE Yes Repair or replace the wiring harness for a short to ground, then go to the next step. OR VARIABLE SWIRL SHUTTER VALVE SWITCH SIGNAL CIRCUIT FOR SHORT TO Go to the next step.

  • Page 226

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P2009[L3 WITH TC] id010239810400 DTC P2009 Variable swirl solenoid valve control circuit low • PCM monitors the variable swirl solenoid valve control signal. If the PCM turns variable swirl solenoid valve off but the voltage still remains low, the PCM determines that the variable swirl solenoid valve control circuit has a malfunction.

  • Page 227

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT VARIABLE SWIRL SOLENOID VALVE Yes Go to the next step. • Perform the variable swirl solenoid valve Replace the variable swirl solenoid valve, then go to Step 9. inspection. (See01-13-13 VARIABLE SWIRL SOLENOID VALVE INSPECTION[L3 WITH TC].) •...

  • Page 228

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P2010[L3 WITH TC] id010239810500 DTC P2010 Variable swirl solenoid valve control circuit high • PCM monitors the variable swirl solenoid valve control signal. If the PCM turns variable swirl solenoid valve on but the voltage still remains high, the PCM determines that the variable swirl solenoid valve control circuit has a malfunction.

  • Page 229

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 230

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P2088[L3 WITH TC] id010239810600 DTC P2088 OCV actuator circuit low • PCM monitors the OCV voltage. If the PCM detects that the OCV control voltage (calculated from OCV) is below the threshold voltage (calculated from battery positive voltage), the PCM determines that the OCV circuit has a malfunction.

  • Page 231

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA HAS BEEN Yes Go to the next step. RECORDED Record FREEZE FRAME DATA on the repair order, then go • Has the FREEZE FRAME DATA been to the next step.

  • Page 232

    ON-BOARD DIAGNOSTIC [L3 WITH TC] End Of Sie DTC P2089[L3 WITH TC] id010239810700 DTC P2089 OCV actuator circuit high • PCM monitors the OCV voltage. If the PCM detects that the OCV control voltage (calculated from OCV) is above the threshold voltage (calculated from battery positive voltage), the PCM determines that the OCV circuit has a malfunction.

  • Page 233

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT PCM CONNECTOR FOR POOR Yes Repair terminal, then go to Step 7. CONNECTION Go to the next step. • Turn the ignition switch to off. • Disconnect the PCM connector. • Inspect for poor connection at PCM terminal 2AF.

  • Page 234

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 235

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY CURRENT INPUT SIGNAL STATUS OF Yes Go to the next step. FRONT HO2S Visually inspect for the exhaust gas leakage between the • Connect the M-MDS to the DLC-2. exhaust manifold and front HO2S. •...

  • Page 236

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION INSPECT FUEL PRESSURE (LOW-SIDE) Yes Go to the next step. • Connect the fuel pressure gauge between fuel Inspect for following: • Fuel line restriction pump and high pressure fuel pump. • Measure the low side fuel pressure. •...

  • Page 237

    ON-BOARD DIAGNOSTIC [L3 WITH TC] Diagnostic procedure STEP INSPECTION ACTION VERIFY FREEZE FRAME DATA AND Yes Go to the next step. DIAGNOSTIC MONITORING TEST RESULTS Record the FREEZE FRAME DATA and DIAGNOSTIC HAVE BEEN RECORDED MONITORING TEST RESULTS on the repair order, then •...

  • Page 238

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION VERIFY CURRENT INPUT SIGNAL STATUS OF Yes Go to the next step. FRONT HO2S Visually inspect for exhaust gas leakage between the • Connect the M-MDS to the DLC-2. exhaust manifold and front HO2S. •...

  • Page 239

    ON-BOARD DIAGNOSTIC [L3 WITH TC] DTC P2100[L3 WITH TC] id010239811000 DTC P2100 Throttle actuator circuit open • PCM monitors the electronic throttle valve motor current. If the PCM detects that the electronic throttle valve motor current is below the threshold current, the PCM determines that the electronic throttle valve motor circuit has a malfunction.

  • Page 240

    ON-BOARD DIAGNOSTIC [L3 WITH TC] STEP INSPECTION ACTION CLASSIFY INTERMITTENT CONCERN OR Yes Go to the next step. CONTINUOUS CONCERN Go to INTERMITTENT CONCERNS • Clear the DTC using the M-MDS. TROUBLESHOOTING procedure. Ȃ