Operation CHARM: Car repair manuals for everyone.
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CAN




MAIN LINE BETWEEN A-BAG AND AV CIRCUIT

Diagnosis Procedure


1. CHECK HARNESS CONTINUITY (OPEN CIRCUIT)

1.Turn the ignition switch OFF.
2.Disconnect the 12V 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 air bag diagnosis sensor unit and the AV
control unit.
NO- Replace the PCB harness.