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STEERING SWITCH SIGNAL GND CIRCUIT


Description

Transmits the steering switch signal to AV control unit.




STEERING SWITCH SIGNAL GND CIRCUIT


Diagnosis Procedure

1.CHECK STEERING SWITCH SIGNAL GND 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.
4.CHECK STEERING SWITCH
1. Turn ignition switch OFF.
2. Check steering switch. Refer to Without Navigation.
Is the inspection result normal?
YES - INSPECTION END
NO - Replace steering switch.