Steering Wheel Audio Control Switch Does Not Operate

TELEPHONE


Steering Wheel Audio Control Switch Does Not Operate

1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH
Check steering wheel audio control switch. Steering Switch Check (With Bluetooth).
OK or NG
OK - GO TO 2.
NG - Replace steering wheel audio control switch. Service and Repair.
2.CHECK AUDIO UNIT
1. Turn ignition switch ON.





2. Check voltage between audio unit harness connector M43 (with mid system) or AV control unit harness M92 (with premium system) terminals 6, 16 and ground.






OK or NG
OK - Replace audio unit (with mid system). Service and Repair.
OK - Replace AV control unit (with premium system). Refer to
Service and Repair.
NG - GO TO 3.
3.CHECK BLUETOOTH CONTROL UNIT





Check voltage between Bluetooth control unit harness connector
B15 terminals 17, 18 and ground.






OK or NG
OK - Repair or replace harness.
NG - Replace Bluetooth control unit. Service and Repair.