Diagnosis Procedure
- CHECK STEERING SWITCH SIGNAL GND CIRCUIT
- Disconnect AV control unit connector and spiral cable connector.
- Check continuity between AV control unit harness connector and spiral cable harness connector.
AV control unit Spiral cable Continuity Connector Terminal Connector Terminal M201 15 M36 33 Existed
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
Repair harness or connector.
- CHECK SPIRAL CABLE
Check spiral cable.
Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Replace spiral cable.
- CHECK GROUND CIRCUIT
- Connect AV control unit connector.
- Check continuity between AV control unit harness connector and ground.
AV control unit Ground Continuity Connector Terminal M201 15 Existed
Is the inspection result normal?
YES
GO TO STEP 4.
NO
Replace AV control unit. Refer to EXPLODED VIEW .
- CHECK STEERING SWITCH
- Turn ignition switch OFF.
- Check steering switch. Refer to COMPONENT INSPECTION .
Is the inspection result normal?
YES
INSPECTION END
NO
Replace steering switch. Refer to EXPLODED VIEW .