Mitsubishi Lancer Evolution IX. Manual — part 610
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-123
STEP 4. Measure the resistance at diagnosis
connector C-14.
Measure the resistance between terminal No.4, No.5
and earth.
OK: 2
Ω or less
Q: Is the check result normal?
YES :
Replace the M.U.T.-II/III.
NO :
Go to Step 5.
STEP 5. Connector check: C-14 diagnosis
connector.
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 6.
NO :
Repair the defective connector.
AC311015AM
Connector: C-14 <LH drive vehicles>
C-14 (B)
C-14
AC311037
C-14 (B)
AE
Connector: C-14 <RH drive vehicles>
C-14
AC311015AM
Connector: C-14 <LH drive vehicles>
C-14 (B)
C-14
AC311037
C-14 (B)
AE
Connector: C-14 <RH drive vehicles>
C-14
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-124
STEP 6. Check the harness between diagnosis
connector C-14 terminal No.4, No.5 and earth.
Check the earth line for open circuit.
Q: Is the check result normal?
YES :
Intermittent malfunction (Refer to GROUP
00
− How to Cope with Intermittent
NO :
Repair the wiring harness.
INSPECTION PROCEDURE 2: No Communication possible between M.U.T.-II/III and 4WD-ECU
DIAGNOSIS CONNECTOR CIRCUIT
Refer to
OPERATION
The M.U.T.-II/III will be able to communicate with the
4WD-ECU by connecting the diagnosis connector.
COMMENTS ON TROUBLE SYMPTOM
The diagnostic output circuit, 4WD-ECU power sup-
ply circuit, earth circuit, or 4WD-ECU may be faulty.
PROBABLE CAUSES
• Damaged harness wires and connectors
• Malfunction of the 4WD-ECU
AC311015AM
Connector: C-14 <LH drive vehicles>
C-14 (B)
C-14
AC311037
C-14 (B)
AE
Connector: C-14 <RH drive vehicles>
C-14
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-125
DIAGNOSIS
STEP 1. Measure the harness resistance between
diagnosis connector C-14 and 4WD-ECU
connector C-26.
•
Measure the resistance between connector C-14 ter-
minal No.1 and connector C-26 terminal No.46.
• Measure the resistance between connector C-14
terminal No.7 and connector C-26 terminal
No.35.
OK: 2
Ω or less
Q: Is the check result normal?
YES :
Go to Step 4.
NO :
Go to Step 2.
AC311015AM
Connector: C-14 <LH drive vehicles>
C-14 (B)
C-14
AC311037
C-14 (B)
AE
Connector: C-14 <RH drive vehicles>
C-14
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>
TROUBLESHOOTING <ACD>
MANUAL TRANSMISSION (FF)
22A-126
STEP 2. Connectors check: C-14 diagnosis
connector, C-23 J/C (4), C-26 4WD-ECU
connector, C-101 J/C (2), C-105 J/C (6), C-124
intermediate connector <LH drive vehicles> or
C-14 diagnosis connector, C-21 J/C (5), C-23 J/C
(4), C-26 4WD-ECU connector, C-105 J/C (6),
C-122, C-124 intermediate connector <RH drive
vehicles>.
Check for the contact with terminals.
Q: Is the check result normal?
YES :
Go to Step 3.
NO :
Repair the defective connector.
AC311087
Connector: C-14, C-23, C-101, C-105, C-124
<LH drive vehicles>
AB
C-14
C-23, C-101
C-105
C-124
C-14 (B)
C-23 (B)
C-101 (L)
C-105
C-124
AC311088
Connector: C-14, 23 <RH drive vehicles>
AB
C-14
C-23
C-14 (B)
C-23 (B)
AC311089
Connector: C-21, C-105, C-122, C-124
<RH drive vehicles>
AB
C-21
C-105
C-122
C-124
C-21
C-105
C-122 (L)
C-124
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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