Operation CHARM: Car repair manuals for everyone.

CAN





MAIN LINE BETWEEN HVAC AND A-BAG CIRCUIT


Diagnosis Procedure

Regarding Wiring Diagram information, Electrical Diagrams.
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.
- A/C auto amp.
- Harness connectors M1 and E30
4. Check the continuity between the harness connector and the A/C auto 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 A/C auto amp. and the air bag diagnosis sensor unit.
NO - Repair the main line between the A/C auto amp. and the air bag diagnosis sensor unit.