nissan Workshop Repair Guides

Nissan and Datsun Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 1903 > < Initial Inspection and Diagnostic Overview|Page 1901
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2.CHECK HARNESS CONTINUITY (SHORT CIRCUIT)
Check the continuity between the data link connector terminals.

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 BCM TERMINATION CIRCUIT
1. Remove the ECM and the BCM.

1 : ECM or BCM

2. Check the resistance between the ECM terminals.

3. Check the resistance between the BCM terminals.

Is the measurement value within the specification?
YES  - GO TO 5.
NO - Replace the ECM and/or the BCM.
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.
Non-reproduced-Start the diagnosis again. Follow the trouble diagnosis procedure when past error is detected.
6.CHECK UNIT REPRODUCTION

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