With Navigation

STEERING SWITCH

Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" With Navigation.

1. CHECK STEERING WHEEL AUDIO CONTROL SWITCH RESISTANCE

1.Turn ignition switch OFF.
2.Disconnect combination switch connector M88.
3.Check resistance between combination switch connector terminals.





Is the inspection result normal?
YES- GO TO 2.
NO- Replace steering switches. Refer to "Removal and Installation" With Navigation.

2. CHECK HARNESS BETWEEN COMBINATION SWITCH AND COMBINATION METER

1.Disconnect combination meter connector M24 and combination switch connector M30.
2.Check continuity between combination meter connector M24 and combination switch connector M30.





3.Check continuity between combination meter connector M24 and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness or connectors.

3. CHECK COMBINATION SWITCH

Check continuity between combination switch connectors M30 and M88.





Is the inspection result normal?
YES- GO TO 4.
NO- Replace spiral cable. Refer to "Removal and Installation" Service and Repair.

4. CHECK HARNESS BETWEEN COMBINATION METER AND AV CONTROL UNIT

1.Disconnect AV control unit connector M97.
2.Check continuity between combination meter connector M24 and AV control unit connector M153.





3.Check continuity between combination meter connector M24 and ground.





Is the inspection result normal?
YES- Replace AV control unit. Refer to "Removal and Installation" With Navigation.
NO- Repair or replace harness or connectors.