CAN

MAIN LINE BETWEEN DLC AND PWBD CIRCUIT

Diagnosis Procedure


1. CHECK CONNECTOR

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side).
-Harness connector M40
-Harness connector B69
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors M40 and B69.
2.Check the continuity between the data link connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the data link connector and the harness connector M40.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the connector of automatic back door control module.
2.Check the continuity between the harness connector and the automatic back door control module harness connector.





Is the inspection result normal?
YES (Present error)-Check CAN system type decision again.
YES (Past error)-Error was detected in the main line between the data link connector and the automatic back door control module.
NO- Repair the main line between the harness connector B69 and the automatic back door control module.
Revision: March 20122013 Infiniti JX