Mitsubishi Lancer Evolution IX. Manual — part 604
![](/vehicles/winoney/wruvea/ger/snisieyo.png)
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-99
Code No.65 ABS monitor system
OPERATION
The 4WD-ECU receives ABS operation condition
from the ABS-ECU.
DIAGNOSIS CODE SET CONDITIONS
Code No.65 is set when ABS is detected to be oper-
ating for more than 1 minute continuously.
PROBABLE CAUSES
• Damaged harness wires and connectors
• Malfunction of the ABS-ECU
• Malfunction of the 4WD-ECU
DIAGNOSIS
STEP 1. M.U.T.-II/III data list
Item 61: ABS monitor
OK:
1. Disconnect ABS-ECU connector B-118:
ON
2. Connect ABS-ECU connector B-118: OFF
Q: Is the check result normal?
YES :
Intermittent malfunction (Refer to GROUP
00
− How to Cope with Intermittent
).
NO <When 1. is abnormal> :
Go to Step 2.
NO <When 2. is abnormal> :
Go to Step 4.
ABS monitor system circuit
4WD-ECU
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
ABS-ECU
![](/vehicles/winoney/wruvea/ger/dshello.png)
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-100
STEP 2. Connectors check: B-118 ABS-ECU
connector, C-26 4WD-ECU connector.
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
AC311020
Harness side
B-118
(B)
AB
Connector: B-118
<LH drive vehicles>
<RH drive vehicles>
B-118
(GR)
B-118
AC311002
4WD-ECU
Harness side
C-26 (Y)
AC
Connector: C-26
4WD-ECU
C-26 (Y)
Rear console
assembly
<LH drive vehicles>
<RH drive vehicles>
![](/vehicles/winoney/wruvea/ger/sunger.png)
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-101
STEP 3. Check the harness between ABS-ECU
connector B-118 terminal No.3 and 4WD-ECU
connector C-26 terminal No.48.
Check the output line for short circuit.
Q: Is the check result normal?
YES :
Replace the ABS-ECU.
NO :
Repair the wiring harness.
STEP 4. Measure the voltage at 4WD-ECU
connector C-26.
(1) Measure the voltage between 4WD-ECU
connector C-26 terminal No.38 and earth.
(2) Turn the ignition switch to the ON position.
OK: System voltage
Q: Is the check result normal?
YES :
Go to Step 5.
NO :
Go to Step 7.
AC311020
Harness side
B-118
(B)
AB
Connector: B-118
<LH drive vehicles>
<RH drive vehicles>
B-118
(GR)
B-118
AC311002
4WD-ECU
Harness side
C-26 (Y)
AC
Connector: C-26
4WD-ECU
C-26 (Y)
Rear console
assembly
<LH drive vehicles>
<RH drive vehicles>
AC311002
4WD-ECU
Harness side
C-26 (Y)
AC
Connector: C-26
4WD-ECU
C-26 (Y)
Rear console
assembly
<LH drive vehicles>
<RH drive vehicles>
![](/vehicles/winoney/wruvea/ger/vel.png)
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-102
STEP 5. Connector check: C-26 4WD-ECU
connector.
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
STEP 6. M.U.T.-II/III data list
Item 61: ABS monitor
OK:
Connect ABS-ECU connector B-118: OFF
Q: Is the check result normal?
YES :
Intermittent malfunction (Refer to GROUP
00
− How to Cope with Intermittent
NO :
Replace the 4WD-ECU.
STEP 7. Connectors check: B-118 ABS-ECU
connector, C-26 4WD-ECU connector.
Check for the contact with terminals.
AC311002
4WD-ECU
Harness side
C-26 (Y)
AC
Connector: C-26
4WD-ECU
C-26 (Y)
Rear console
assembly
<LH drive vehicles>
<RH drive vehicles>
AC311020
Harness side
B-118
(B)
AB
Connector: B-118
<LH drive vehicles>
<RH drive vehicles>
B-118
(GR)
B-118
AC311002
4WD-ECU
Harness side
C-26 (Y)
AC
Connector: C-26
4WD-ECU
C-26 (Y)
Rear console
assembly
<LH drive vehicles>
<RH drive vehicles>
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