1. Check Harness
- Disconnect connectors of combination meter, BCM, and AV and NAVI control unit.
- Check continuity AV and NAVI control unit harness connector and BCM harness connector.
- Check continuity between AV and NAVI control unit harness connector and ground.
OK or NG
- OK: GO TO 2 .
- NG: Repair harness or connector.