Nissan Terrano model r20 series 2004. Manual — part 110
Wiring Diagram
LHD MODELS
YEC187A
DTC 0504 A/T COMM LINE
ZD30DDTi
EC-162
RHD MODELS
YEC188A
DTC 0504 A/T COMM LINE
ZD30DDTi
Wiring Diagram (Cont’d)
EC-163
Diagnostic Procedure
1
CHECK INPUT SIGNAL CIRCUIT
1. Turn ignition switch “OFF”.
2. Disconnect ECM harness connector and TCM (Transmission control module) harness connector.
MEC020E
MEC026E
3. Check harness continuity between the following terminals. Refer to Wiring Diagram.
MTBL0532
Continuity should exist.
OK or NG
OK
E
GO TO 3.
NG
E
GO TO 2.
2
DETECT MALFUNCTIONING PART
Check the following.
I
Harness connectors M788, F93 (LHD models)
I
Harness for open or short between ECM and TCM (Transmission control module)
E
Repair harness or connectors.
DTC 0504 A/T COMM LINE
ZD30DDTi
EC-164
3
CHECK INPUT SIGNAL CIRCUIT
1. Check harness continuity between ECM terminal 24 and ground, ECM terminal 30 and ground, ECM terminal 37 and ground,
ECM terminal 58 and ground. Refer to Wiring Diagram.
Continuity should not exist.
2. Also check harness for short to ground and short to power.
OK or NG
OK
E
GO TO 5.
NG
E
GO TO 4.
4
DETECT MALFUNCTIONING PART
Check the harness for open or short between ECM and TCM (Transmission control module).
E
Repair open circuit short to ground or short to power in harness.
5
CHECK INTERMITTENT INCIDENT
Refer to “TROUBLE DIAGNOSIS FOR INTERMITTENT INCIDENT”, EC-78.
E
INSPECTION END
DTC 0504 A/T COMM LINE
ZD30DDTi
Diagnostic Procedure (Cont’d)
EC-165
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