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.

   AV control unit | Spiral cable | Continuity
   Connector | Terminal | Connector | Terminal
   M201 | 15 | M36 | 33 | Existed

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.

   AV control unit | Ground | Continuity
   Connector | Terminal
   M201 | 15 | Existed

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 Component Inspection.

Is the inspection result normal?
YES>>INSPECTION END
NO>>Replace steering switch.