Mitsubishi Lancer Evolution IX 2006 Workshop Manual
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Mitsubishi Lancer Evolution IX 2006 Workshop Manual

Mitsubishi Lancer Evolution IX 2006 Workshop Manual

Engine cooling
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ENGINE COOLING
GENERAL INFORMATION . . . . . . . .
LUBRICANT. . . . . . . . . . . . . . . . . . . .
SEALANT. . . . . . . . . . . . . . . . . . . . . .
SPECIAL TOOLS. . . . . . . . . . . . . . . .
TROUBLESHOOTING . . . . . . . . . . . .
ON-VEHICLE SERVICE. . . . . . . . . . .
GROUP 14
CONTENTS
14-2
FAN CONTROLLER CHECK . . . . . . . . . . .
CHECK . . . . . . . . . . . . . . . . . . . . . . . . . . . .
14-2
COOLING FAN MOTOR CHECK . . . . . . . .
14-2
THERMOSTAT . . . . . . . . . . . . . . . . . .
REMOVAL AND INSTALLATION . . . . . . . .
14-2
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
14-3
WATER PUMP . . . . . . . . . . . . . . . . . .
14-3
REMOVAL AND INSTALLATION . . . . . . . .
14-15
REMOVAL AND INSTALLATION . . . . . . . .
14-15
INSPECTION. . . . . . . . . . . . . . . . . . . . . . . .
14-15
14-15
RADIATOR . . . . . . . . . . . . . . . . . . . . .
14-16
REMOVAL AND INSTALLATION . . . . . . . .
14-1
14-16
14-17
14-17
14-18
14-18
14-19
14-20
14-20
14-22
14-22
14-23
14-24
14-24

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Summary of Contents for Mitsubishi Lancer Evolution IX 2006

  • Page 1: Table Of Contents

    14-1 GROUP 14 ENGINE COOLING CONTENTS GENERAL INFORMATION ..14-2 FAN CONTROLLER CHECK ... 14-16 FAN CONTROL RELAY CONTINUITY CHECK ......14-17 SERVICE SPECIFICATIONS.

  • Page 2: General Information

    14-2 ENGINE COOLING GENERAL INFORMATION GENERAL INFORMATION M1141000100456 The cooling system is designed to keep every part of coolant through the radiator as well so that the heat the engine at appropriate temperature in whatever absorbed by the coolant may be radiated into the air. condition the engine may be operated.

  • Page 3: Special Tools

    14-3 ENGINE COOLING SPECIAL TOOLS SPECIAL TOOLS M1141000600592 Tool Number Name MB991223 Harness set Making voltage and A: MB991219 A: Check harness resistance measurement B: MB991220 B: LED harness during troubleshooting C: MB991221 C: LED harness A: Connector pin contact D: MB991222 adapter pressure inspection...
  • Page 4 14-4 ENGINE COOLING TROUBLESHOOTING INSPECTION PROCEDURE FOR TROUBLE SYMPTOMS INSPECTION PROCEDURE 1: Cooling fan does not operate Cooling fan drive circuit <L.H. drive vehicles> INPUT SIGNAL ENGINE FUSIBLE CONTROL · A/C SWITCH · VEHICLE SPEED LINK RELAY · ENGINE SENSOR COOLANT TEMPERATURE SENSOR...
  • Page 5 14-5 ENGINE COOLING TROUBLESHOOTING Cooling fan drive circuit <R.H. drive vehicles> INPUT SIGNAL ENGINE FUSIBLE CONTROL · A/C SWITCH · VEHICLE SPEED RELAY LINK · ENGINE SENSOR COOLANT TEMPERATURE SENSOR ENGINE ENGINE- CONTROL SYSTEM CONTROL RELAY SMOOTHING CIRCUIT RADIATOR FIELD EFFECT INPUT SIGNAL TRANSISTOR PROCESSING...
  • Page 6 14-6 ENGINE COOLING TROUBLESHOOTING TECHNICAL DESCRIPTION STEP 3. Check for harness damage between • The cause could be a malfunction of the fan con- fusible link No.2 and fan control relay connector troller power supply or earth circuit. A-09X terminal 4. •...
  • Page 7 14-7 ENGINE COOLING TROUBLESHOOTING STEP 5. Check for harness damage between J/C Connector: A-09X (6) C-105 and fan control relay connector A-09X. NOTE: A-09X Connector: A-13 <LHD> Relay box side A-13 (B) AC310900AB Connector: C-105 <LHD> AC210877AC Connector: C-31 <RHD> C-105 AC310901AB C-31...
  • Page 8 14-8 ENGINE COOLING TROUBLESHOOTING Q: Are the harness wires between fan control relay STEP 10. Measure the output circuit voltage at connector A-09X terminal 3 and earth damaged? engine-ECU connector C-121 terminal 18 by Repair or replace them, then go to Step 13. YES : backprobing.
  • Page 9 14-9 ENGINE COOLING TROUBLESHOOTING STEP 11. Check the harness wire between Connector: C-121 <LHD> engine-ECU connector C-121 and fan controller connector A-17. Engine-ECU NOTE: Connector: A-13 <LHD> A-13 (B) C-121 (GR) 2221 11 10 3534 2827 AC210877AC Component side Connector: C-31 <RHD> AC505254 AC Connector: C-121 <RHD>...
  • Page 10 14-10 ENGINE COOLING TROUBLESHOOTING (2) Pull out terminal No.18. STEP 12. Check the fan controller at engine-ECU (3) Turn the ignition switch to the "ON" position. connector C-121. Q: Does the cooling fan motor operate? Connector: C-121 <LHD> Replace the engine-ECU. Then go to Step YES : Replace the fan controller.
  • Page 11 14-11 ENGINE COOLING TROUBLESHOOTING TECHNICAL DESCRIPTION STEP 3. Measure the output circuit voltage at • The fan controller has variable control of the cool- engine-ECU connector C-121 terminal 18 by ing fan motor speed using signals transmitted backprobing. from the engine-ECU. Connector: C-121 <LHD>...
  • Page 12 14-12 ENGINE COOLING TROUBLESHOOTING (2) Start the engine and allow it to idle. STEP 4. Measure the output circuit voltage at (3) Turn the A/C switch to the "ON" position. engine-ECU connector C-121 terminal 18 by (4) Measure the voltage between terminal No.18 and backprobing.
  • Page 13 14-13 ENGINE COOLING TROUBLESHOOTING STEP 5. Check the harness wire between Connector: C-121 <LHD> engine-ECU connector C-121 and fan controller connector A-17. Engine-ECU NOTE: Connector: A-13 <LHD> A-13 (B) C-121 (GR) 2221 11 10 3534 2827 AC210877AC Component side Connector: C-31 <RHD> AC505254 AC Connector: C-121 <RHD>...
  • Page 14 14-14 ENGINE COOLING TROUBLESHOOTING STEP 6. Check the fan controller at engine-ECU STEP 7. Check the fan controller at engine-ECU connector C-121. connector C-121. Connector: C-121 <LHD> Connector: C-121 <LHD> Engine-ECU Engine-ECU C-121 (GR) C-121 (GR) 1415 1718 1415 1718 2829 3031 2829...

  • Page 15: On-Vehicle Service

    14-15 ENGINE COOLING ON-VEHICLE SERVICE ON-VEHICLE SERVICE ENGINE COOLANT LEAK CHECK Minimum limit: 83 kPa Standard value: 93 − 123 kPa M1141001000388 WARNING 3. Replace the radiator cap if the reading does not When pressure testing the cooling system, remain at or above the minimum limit. slowly release cooling system pressure to avoid getting burned by hot coolant.

  • Page 16: Concentration Measurement

    14-16 ENGINE COOLING ON-VEHICLE SERVICE 6. Apply the designated sealant to the screw area of CAUTION the cylinder block drain plug, and then tighten to Do not overfill the reserve tank. the standard torque. 14.Add coolant to the reserve tank between the Specified sealant: 3M Nut Locking Part "FULL"...

  • Page 17: Fan Control Relay Continuity Check

    14-17 ENGINE COOLING ON-VEHICLE SERVICE FAN CONTROL RELAY CONTINUITY CHECK Fan controller M1141006200354 MB991222 Circuit tester Cooling fan motor connector: Battery Harness side AC210667 5. Insert special tool probe (MB991222) at the back of the cooling fan motor connector. AC210672 6.

  • Page 18: Thermostat

    14-18 ENGINE COOLING THERMOSTAT WARNING Cooling fan Cooling fan motor Stay clear of the fan when the fan starts run- motor ning. connector: Component side 3. Check to see that the fan motor of the radiator turns when applying battery power between the connector terminals of the cooling fan motor.

  • Page 19: Inspection

    14-19 ENGINE COOLING THERMOSTAT Removal steps (Continued) 1. Insert each hose as far as the projection of the Harness bracket water outlet fitting. Water outlet fitting 2. Align the mating marks on the radiator hose and >> << 8. Thermostat hose clamp, and then connect the radiator hose.

  • Page 20: Water Pump

    14-20 ENGINE COOLING WATER PUMP WATER PUMP REMOVAL AND INSTALLATION M1141002701004 CAUTION If the vehicle is equipped with the Brembo™ disc brake, during maintenance, take care not to contact the caliper with tools or parts, because the caliper paint will be scratched. Pre-removal Operation Post-installation Operation •...
  • Page 21 14-21 ENGINE COOLING WATER PUMP INSTALLATION SERVICE POINT Fit an O-ring into the O-ring groove located at the end of the water inlet pipe and apply water to the >>A<< O-RING INSTALLATION O-ring or the inside of the mounting surface of the water pump for insertion.

  • Page 22: Water Hose And Water Pipe

    14-22 ENGINE COOLING WATER HOSE AND WATER PIPE WATER HOSE AND WATER PIPE REMOVAL AND INSTALLATION M1141003301076 Pre-removal Operation Post-installation Operation • Under Cover Removal (Refer to GROUP 51, Front • Thermostat Installation (Refer to P.14-18). Bumper P.51-2). • Turbocharger Bypass Valve Assembly, Air By-pass Hose, •...

  • Page 23: Inspection

    14-23 ENGINE COOLING WATER HOSE AND WATER PIPE REMOVAL SERVICE POINT >>B<< WATER INLET PIPE INSTALLATION <<A>> RADIATOR LOWER HOSE DIS- Temporarily install the water inlet pipe. After installing CONNECTION the water outlet fitting and thermostat case assembly, tighten the mounting bolt of the water inlet pipe to the specified torque.

  • Page 24: Radiator

    14-24 ENGINE COOLING RADIATOR RADIATOR REMOVAL AND INSTALLATION M1141001501193 Pre-removal Operation Post-installation Operation • Under Cover Removal (Refer to GROUP 51, Front • Air Hose E, Air Pipe C and Air Hose D Installation (Refer Bumper P.51-2). to GROUP 15, Intercooler P.15-6). •...
  • Page 25 14-25 ENGINE COOLING RADIATOR REMOVAL SERVICE POINTS After removing the bolt, position air pipe B out of the way so that the pipe does not interfere with the radia- <<A>> RADIATOR UPPER HOSE/RADIA- tor assembly or the cooling fan motor, the fan and TOR LOWER HOSE DISCONNECTION shroud assembly.
  • Page 26 NOTES...

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