CAN
MAIN LINE BETWEEN A-BAG AND HVAC 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.
-Combination meter
-A/C auto amp.
- ECM
4.Check the continuity between the combination meter 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 air bag diagnosis sensor unit and the A/C
auto amp.
NO- Repair the main line between the air bag diagnosis sensor unit and the A/C auto amp.