infiniti Workshop Repair Guides

Infiniti Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 2621 > < Initial Inspection and Diagnostic Overview|Page 2619
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Is the inspection result normal?
YES - GO TO 3.
NO - Check the harness and repair the root cause.
3.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector and the ground.

Is the inspection result normal?
YES - GO TO 4.
NO - Check the harness and repair the root cause.
4.CHECK ECM AND IPDM E/R TERMINATION CIRCUIT
1. Remove the ECM and the IPDM E/R.

2. Check the resistance between the ECM terminals.
- VQ engine models

- VK engine models

3. Check the resistance between the IPDM E/R terminals.

Is the measurement value within the specification?
YES - GO TO 5.
NO - Replace the ECM and/or the IPDM E/R.
5.CHECK SYMPTOM
Connect all the connectors. Check if the symptoms described in the "Symptom (Results from interview with customer)" are reproduced.
Inspection result
Reproduced-GO TO 6.

Initial Inspection and Diagnostic Overview|Page 2621 > < Initial Inspection and Diagnostic Overview|Page 2619