DTC Diagnosis Procedure
WARNING: This page is about a different car, the 2019 Nissan NV3500 HD, 2019 Nissan NV2500 HD, and 2019 Nissan NV1500. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK IPDM E/R GROUND CIRCUIT
- Turn ignition switch OFF.
- Disconnect IPDM E/R harness connector.
- Check the continuity between IPDM E/R harness connector and ground.
+
-
Continuity
IPDM E/R
Connector
Terminal
E122
38
Ground
Existed
E124
59
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace error-detected parts.
- CHECK COOLING FAN MOTOR CONTROL SIGNAL CIRCUIT
- Disconnect cooling fan motor harness connector.
- Check the continuity between IPDM E/R harness connector and cooling fan motor harness connector.
-
+
Continuity
IPDM E/R
Cooling fan motor
Connector
Terminal
Connector
Terminal
E120
20
E113
1
Existed
24
3
- Also check harness for short to ground.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace error-detected parts.
- CHECK COOLING FAN MOTOR GROUND CIRCUIT
- Check the continuity between cooling fan motor harness connector and ground.
+
-
Continuity
Cooling fan motor
Connector
Terminal
E113
2
Ground
Existed
4
- Also check harness for short to ground.
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace error-detected parts.
- Check the continuity between cooling fan motor harness connector and ground.
- CHECK COOLING FAN MOTOR
Check the cooling fan motor. Refer to Component Inspection (Cooling Fan Motor) .
YES
INSPECTION END
NO
Replace cooling motor. Refer to Removal and Installation (Motor driven type) .