CAN

MAIN LINE BETWEEN DLC AND BCM CIRCUIT

Diagnosis Procedure


1. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Turn the ignition switch OFF.
2.Disconnect the battery cable from the negative terminal.
3.Disconnect the following harness connectors.
- ECM
-Harness connectors M181 and M105
- BCM
4.Check the continuity between the harness connector and the BCM 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 BCM.
NO- Replace the PCB harness.