CAN

MAIN LINE BETWEEN HVAC AND A-BAG 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
- A/C auto amp.
- AV control unit
4. Check the continuity between the A/C auto amp. harness connector and the AV control unit harness connector.
- Models with navigation system





- Models without navigation system





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 A/C auto amp. and the air bag diagnosis sensor unit.
NO - Replace the PCB harness.