CAN

MAIN LINE BETWEEN PWBD AND ADP 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 B201
-Harness connector M117
-Harness connector M7
-Harness connector B1
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 B201 and M117.
2.Check the continuity between the harness connector terminals.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair the main line between the automatic back door control unit and the harness connector
B201.

3. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Disconnect the harness connectors M7 and B1.
2.Check the continuity between the harness connector terminals.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair the main line between the harness connectors M117 and M7.

4. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

Check the continuity between the harness connector terminals.





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 unit and the driver seat control unit.
NO- Repair the main line between the harness connector B1 and the driver seat control unit.