Mitsubishi Lancer Evolution IX 2006 Workshop Manual Download Page 4 | Manualshive

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TROUBLESHOOTING

ENGINE COOLING

14-4

INSPECTION PROCEDURE FOR
TROUBLE SYMPTOMS

INSPECTION PROCEDURE 1: Cooling fan does not operate

Wire colour code
B : Black LG : Light green G : Green L : Blue W : White Y : Yellow SB : Sky blue
BR : Brown O : Orange GR : Grey R : Red P : Pink V : Violet PU : Purple

INPUT SIGNAL

· A/C SWITCH
· ENGINE
COOLANT
TEMPERATURE
SENSOR

· VEHICLE SPEED
SENSOR

ENGINE-
ECU

ENGINE
CONTROL
RELAY

SMOOTHING
CIRCUIT

FIELD EFFECT
TRANSISTOR
CIRCUIT

INPUT SIGNAL
PROCESSING

DRIVE
CIRCUIT

TEMPERATURE
DETECTION

CURRENT
DETECTION

RADIATOR
FAN
MOTOR

FAN CONTROLLER

ENGINE
CONTROL
SYSTEM

FUSIBLE
LINK

2

FAN
CONTROL
RELAY

AC505138

Cooling fan drive circuit <L.H. drive vehicles>

AB

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Summary of Contents for Lancer Evolution IX 2006

Page 1: ...AP PRESSURE CHECK 14 15 ENGINE COOLANT REPLACEMENT 14 15 CONCENTRATION MEASUREMENT 14 16 FAN CONTROLLER CHECK 14 16 FAN CONTROL RELAY CONTINUITY CHECK 14 17 COOLING FAN MOTOR CHECK 14 17 THERMOSTAT 14...

Page 2: ...cool ing fan is controlled by the fan controller and engine ECU depend on driving conditions Item Specification Radiator Performance kJ h 216 700 SERVICE SPECIFICATIONS M1141000300483 Item Standard va...

Page 3: ...ng A Connector pin contact pressure inspection B Power circuit inspection C Power circuit inspection D Commercial tester connection MB992006 MB992006 Extra fine probe Making voltage and resistance mea...

Page 4: ...nge GR Grey R Red P Pink V Violet PU Purple INPUT SIGNAL A C SWITCH ENGINE COOLANT TEMPERATURE SENSOR VEHICLE SPEED SENSOR ENGINE ECU ENGINE CONTROL RELAY SMOOTHING CIRCUIT FIELD EFFECT TRANSISTOR CIR...

Page 5: ...ATURE DETECTION CURRENT DETECTION RADIATOR FAN MOTOR FAN CONTROLLER ENGINE CONTROL SYSTEM FUSIBLE LINK 2 FAN CONTROL RELAY AC505139 Cooling fan drive circuit R H drive vehicles AB TROUBLESHOOTING ENGI...

Page 6: ...itive voltage when the ignition switch is turned to the ON position YES Go to Step 7 NO Go to Step 2 STEP 2 Check the fan control relay Refer to P 14 17 Q Is the fan control relay in good condition YE...

Page 7: ...If intermediate connector A 13 LHD C 31 RHD and J C 6 C 105 are damaged repair or replace them Refer to GROUP 00 How to Use Troubleshooting Inspection Service Points P 00 5 AC310900AB Connector A 09X...

Page 8: ...h AC210859 Connector A 17 A 17 GR AD Fan controller Component side Q Are the harness wires between fan controller connector A 17 and earth damaged YES Repair or replace them then go to Step 13 NO Go t...

Page 9: ...vice Points P 00 5 AC505254 AC Connector C 121 LHD C 121 GR Engine ECU 15 29 2221 23 3534 7 8 16 18 19 17 20 31 32 33 30 5 6 11 10 12 13 14 26 2827 25 3 4 2 9 24 1 JAE Component side AC505255AC Connec...

Page 10: ...to Step 13 STEP 13 Check the symptoms Q Does the cooling fan operate correctly YES The procedure is complete NO Return to Step 1 INSPECTION PROCEDURE 2 Cooling fan does not change speed or does not st...

Page 11: ...e between fan control relay connector A 09X and fan controller connector A 17 damaged YES Repair or replace the part then go to Step 6 NO Go to Step 3 STEP 3 Measure the output circuit voltage at engi...

Page 12: ...1 9 2 4 27 13 26 11 3 12 2829 1415 3031 1718 33 32 6 20 5 19 21 35 34 8 23 7 22 JAE AB Connector C 121 RHD Harness side C 121 GR Engine ECU 1 Do not disconnect engine ECU connector C 121 2 Start the...

Page 13: ...rvice Points P 00 5 AC505254 AC Connector C 121 LHD C 121 GR Engine ECU 15 29 2221 23 3534 7 8 16 18 19 17 20 31 32 33 30 5 6 11 10 12 13 14 26 2827 25 3 4 2 9 24 1 JAE Component side AC505255AC Conne...

Page 14: ...Step 8 NO Go to Step 7 STEP 7 Check the fan controller at engine ECU connector C 121 AC505254 16 25 10 24 1 9 2 4 27 13 26 11 3 12 2829 1415 3031 1718 33 32 6 20 5 19 21 35 34 8 23 7 22 JAE AB Connec...

Page 15: ...AC211643 AB Cap adapter 1 Use a cap adapter to attach the cap to the tester 2 Increase the pressure until the indicator of the gauge stops moving Minimum limit 83 kPa Standard value 93 123 kPa 3 Repl...

Page 16: ...13 Remove the radiator cap after the engine has become cold and pour in coolant up to the brim Reinstall the cap CAUTION Do not overfill the reserve tank 14 Add coolant to the reserve tank between the...

Page 17: ...tage between the cooling fan motor connector terminals while the fan is running The voltage should repeat the values 1 and 2 below Standard value 1 8 2 2 6 V 2 Battery positive voltage 2 6 V 11 If the...

Page 18: ...val Operation Under Cover Removal Refer to GROUP 51 Front Bumper P 51 2 Engine Coolant Draining Refer to P 14 15 Intake Air Duct Removal Refer to GROUP 15 Air Cleaner P 15 5 Air Hose E Air Pipe C and...

Page 19: ...tting AB 1 Insert each hose as far as the projection of the water outlet fitting 2 Align the mating marks on the radiator hose and hose clamp and then connect the radiator hose INSPECTION M11410025004...

Page 20: ...fer to P 14 15 Timing Belt Tensioner Adjuster Removal Refer to GROUP 11A Timing Belt P 11A 36 Post installation Operation Timing Tensioner Adjuster Belt Installation Refer to GROUP 11A Timing Belt P 1...

Page 21: ...o not let the O ring get contaminated with grease or engine oil AC103005 Water pump O ring Water inlet pipe AC Fit an O ring into the O ring groove located at the end of the water inlet pipe and apply...

Page 22: ...GROUP 15 Air Cleaner P 15 5 Battery and Battery Tray Installation Engine Coolant Refilling Refer to P 14 15 Under Cover Installation Refer to GROUP 51 Front Bumper P 51 2 AC504959 11 1 N m 23 4 N m 10...

Page 23: ...pump for insertion B WATER INLET PIPE INSTALLATION Temporarily install the water inlet pipe After installing the water outlet fitting and thermostat case assembly tighten the mounting bolt of the wat...

Page 24: ...OUP 51 Front Bumper P 51 2 AC210706 3 5 0 4 N m 5 0 1 0 N m 5 0 1 0 N m 5 0 1 0 N m 12 2 N m 12 2 N m AC 5 4 0 5 N m 4 5 0 4 N m 1 19 18 17 16 15 14 13 12 10 9 8 7 6 5 11 4 3 2 22 20 21 N 11 12 2 N m...

Page 25: ...pipe B out of the way so that the pipe does not interfere with the radia tor assembly or the cooling fan motor the fan and shroud assembly INSTALLATION SERVICE POINT A RADIATOR LOWER HOSE RADIA TOR UP...

Page 26: ...NOTES...

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