Diagnosis Procedure
- CHECK STEERING SWITCH SIGNAL GND CIRCUIT
- Turn ignition switch OFF.
- Disconnect audio unit connector and TEL adapter unit connector.
- Check continuity between audio unit harness connector and TEL adapter unit harness connector.CONTINUITY SPECIFICATION
Audio unit TEL adapter unit Continuity Connector Terminal Connector Terminal M49 53 B54 14 Existed
Is the inspection result normal?
YES: GO TO 2.
NO: Repair harness or connector.
- CHECK GROUND CIRCUIT
- Connect audio unit connector.
- Check continuity between audio unit harness connector and ground.CONTINUITY SPECIFICATION
Audio unit Ground Continuity Connector Terminal M49 53 Existed
Is the inspection result normal?
YES: INSPECTION END
NO: Repair harness or connector.