CAN

MAIN LINE BETWEEN PWBD AND ICC 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 B32
-Harness connector B124
Is the inspection result normal?
YES- GO TO 2.
NO- Repair the terminal and connector.

2. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the following harness connectors.
-Automatic back door control module
-Harness connectors B32 and B124
2.Check the continuity between the automatic back door control module harness connector and the harness connector.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the automatic back door control module and the harness connector
B32.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the connector of ADAS control unit.
2.Check the continuity between the harness connector and the ADAS control unit 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 automatic back door control module and the ADAS control unit.
NO- Repair the main line between the harness connector B124 and the ADAS control unit.
Revision: March 20122013 Infiniti JX