Voice Activated Control Function Does Not Operate Audio With Navigation

TELEPHONE


Voice Activated Control Function Does Not Operate


NOTE:
Even under normal condition, Bluetooth voice guidance may not occur when pressing steering wheel audio control switch.

BLUETOOTH VOICE GUIDANCE IS HEARD WHEN PRESSING STEERING WHEEL AUDIO CONTROL SWITCH
1.CHECK HARNESS BETWEEN BLUETOOTH CONTROL UNIT AND MICROPHONE
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and microphone connector.





3. Check continuity between Bluetooth control unit connector B15
(A) and microphone connector R4 (B).






4. Check continuity between Bluetooth control unit harness connector B15 and ground.






OK or NG
OK - GO TO 2.
NG - Repair harness or connector.
2.CHECK MICROPHONE POWER SUPPLY
1. Connect Bluetooth control unit connector and microphone connector.
2. Turn ignition switch ON.





3. Check voltage between microphone connector R4 terminal 4 and ground.






OK or NG
OK - GO TO 3.
NG - Replace Bluetooth control unit. Removal And Installation Audio With Navigation.
3.CHECK MICROPHONE SIGNAL






Check signal between Bluetooth control unit harness connector B15 terminals 7 and 8.






OK or NG
OK - Replace Bluetooth control unit. Removal And Installation Audio With Navigation.
NG - Replace microphone. Removal And Installation Audio With Navigation.

BLUETOOTH VOICE GUIDANCE IS NOT HEARD WHEN PRESSING STEERING WHEEL AUDIO

CONTROL SWITCH
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
Steering Wheel Audio Control Switch Does Not Operate Audio With Navigation.
OK or NG
OK - GO TO 2.
NG - Replace applicable parts.
2.CHECK BLUETOOTH VOICE SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Bluetooth control unit connector and AV control unit connector.





3. Check continuity between Bluetooth control unit harness connector B15 (A) and AV control unit harness connector M99 (B).






4. Check continuity between Bluetooth control unit harness connector B15 (A) and ground.






OK or NG
OK - GO TO 3.
NG - Repair harness or connector.
3.CHECK BLUETOOTH VOICE SIGNAL







Check signal between Bluetooth control unit harness connector B15 terminals 9 and 10.






OK or NG
OK - Replace AV control unit. Removal And Installation Audio With Navigation.
NG - Replace Bluetooth control unit. Removal And Installation Audio With Navigation.