Mitsubishi Lancer Evolution IX. Manual — part 612
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-131
STEP 10. Connectors check: C-25, C-26
4WD-ECU connector.
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Repair the 4WD-ECU.
NO :
Repair the defective connector.
AC311002
4WD-ECU
Harness side
C-26 (Y)
AD
Connector: C-25, C-26
4WD-ECU
C-26 (Y)
Rear console
assembly
<LH drive vehicles>
<RH drive vehicles>
Harness side
C-25 (Y)
C-25 (Y)
C-25
C-26
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-132
INSPECTION PROCEDURE 3: ACD mode indicator lamp does not light up when the ignition switch is
set to "ON" (engine is stopped)
IGNITION
SWITCH (IG1)
DRIVE CIRCUIT
4WD-ECU
COMBINATION
METER
Wire colour code
B : Black LG : Light green
G : Green L : Blue
W : White Y : Yellow
SB : Sky blue BR : Brown
O : Orange GR : Gray
R : Red P : Pink V : Violet
ACD mode indicator lamp system circuit <LH drive vehicles>
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-133
OPERATION
The 4WD-ECU displays a control mode (tarmac,
gravel, snow) on the ACD mode indicator lamp on
the combination meter.
COMMENTS ON TROUBLE SYMPTOM
The ACD mode indicator lamp circuit or 4WD-ECU
may be faulty.
PROBABLE CAUSES
• Damaged harness wires and connectors
• Malfunction of the ACD mode indicator lamp
assembly
• Malfunction of the 4WD-ECU
IGNITION
SWITCH (IG1)
DRIVE CIRCUIT
4WD-ECU
COMBINATION
METER
Wire colour code
B : Black LG : Light green
G : Green L : Blue
W : White Y : Yellow
SB : Sky blue BR : Brown
O : Orange GR : Gray
R : Red P : Pink V : Violet
ACD mode indicator lamp system circuit <RH drive vehicles>
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-134
DIAGNOSIS
STEP 1. Measure the voltage at combination
meter connector C-01.
(1) Disconnect the combination meter connector,
and measure the voltage between terminal No.9
and earth.
(2) Turn the ignition switch to the ON position.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Go to Step 2.
STEP 2. Connectors check: C-01 combination
meter connector, C-23 J/C (4), C-211, C-214 J/B
connector <LH drive vehicles> or C-01
combination meter connector, C-211, C-214 J/B
connector <RH drive vehicles>.
AC311015AO
Connector: C-01 <LH drive vehicles>
C-01
C-01
AC311037
C-01
AG
Connector: C-01 <RH drive vehicles>
C-01
AC311015AO
Connector: C-01 <LH drive vehicles>
C-01
C-01
AC311037
C-01
AG
Connector: C-01 <RH drive vehicles>
C-01
AC311015AK
Connector: C-23 <LH drive vehicles>
C-23 (B)
AC310448
AW
Connector: C-211, C-214 <LH drive vehicles>
Junction block (front view)
C-214
C-211
C-211
C-214
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