Voice Activated Control Function Does Not Operate
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.
4 - Ground : Approx. 5V
OK or NG
OK - GO TO 3.
NG - Replace Bluetooth control unit. Service and Repair.
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. Service and Repair.
NG - Replace microphone. Service and Repair.
BLUETOOTH VOICE GUIDANCE IS NOT HEARD WHEN PRESSING STEERING WHEEL AUDIO
CONTROL SWITCH (WITH MID SYSTEM)
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
Steering Wheel Audio Control Switch Does Not Operate.
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 audio unit connector.
3. Check continuity between Bluetooth control unit harness connector B15 (A) and audio unit harness connector M53 (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 MUTE SIGNAL
1. Connect Bluetooth control unit connector and audio unit connector.
2. Turn ignition switch ON.
3. Check voltage between Bluetooth control unit connector B15 terminal 11 and ground.
11 - Ground : Approx. 5V
OK or NG
OK - GO TO 4.
NG - Replace audio unit. Service and Repair.
4.CHECK BLUETOOTH VOICE SIGNAL
Check signal between Bluetooth control unit harness connector B15 terminals 9 and 10.
OK or NG
OK - Replace audio unit. Service and Repair.
NG - Replace Bluetooth control unit. Service and Repair.
BLUETOOTH VOICE GUIDANCE IS NOT HEARD WHEN PRESSING STEERING WHEEL AUDIO
CONTROL SWITCH (WITH PREMIUM SYSTEM)
1.CHECK STEERING WHEEL AUDIO CONTROL SWITCH CIRCUIT
Steering Wheel Audio Control Switch Does Not Operate.
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 M93 (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 MUTE SIGNAL
1. Connect Bluetooth control unit connector and AV control unit connector.
2. Turn ignition switch ON.
3. Check voltage between Bluetooth control unit connector B15 terminal 11 and ground.
11 - Ground : Approx. 5V
OK or NG
OK - GO TO 4.
NG - Replace AV control unit. Service and Repair.
4.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. Service and Repair.
NG - Replace Bluetooth control unit. Service and Repair.