Operation CHARM: Car repair manuals for everyone.

CAN





MAIN LINE BETWEEN DLC AND M&A CIRCUIT


Diagnosis Procedure

INSPECTION 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
- Unified meter and A/C amp.
4. Check the continuity between the data link connector and the unified meter and A/C amp. 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 unified meter and A/C amp.
NO - Repair the main line between the data link connector and the unified meter and A/C amp.