Steering Wheel Audio Control Switch Does Not Operate Audio Without Navigation

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) Audio Without Navigation.
OK or NG
OK - GO TO 2.
NG - Replace steering wheel audio control switch. Removal And Installation Audio Without Navigation.
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). Removal And Installation Audio Without Navigation, "Removal and Installation".
OK - Replace AV control unit (with premium system). Refer to
Removal And Installation Audio Without Navigation.
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. Removal And Installation Audio Without Navigation.