Diagnosis Procedure

STEERING SWITCH GROUND CIRCUIT

WITH HANDS-FREE PHONE SYSTEM : Diagnosis Procedure


1. CHECK STEERING SWITCH SIGNAL GROUND CIRCUIT

1.Disconnect AV control unit connector and spiral cable connector.
2.Check continuity between AV control unit harness connector and spiral cable harness connector.





3.Connect AV control unit connector.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair harness or connector.

2. CHECK SPIRAL CABLE

Check spiral cable.
Is the inspection result normal?
YES- GO TO 3.
NO- Replace spiral cable.

3. CHECK GROUND CIRCUIT

1.Connect AV control unit connector.
2.Check continuity between AV control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Replace AV control unit. Refer to "Exploded View" Base Audio.

4. CHECK STEERING SWITCH

1.Turn ignition switch OFF.
2.Check steering switch. Refer to "WITH HANDS-FREE PHONE SYSTEM : Component Inspection" Component Inspection.
Is the inspection result normal?
YES- INSPECTION END
NO- Replace steering switch. Refer to "Exploded View" Exploded View.