GENERAL INFORMATION
The hands free module enables handsfree talking and playing music by bluetooth® connection with bluetooth® device (mobile phone or music player). In addition, music can be played by connecting the USB-compatible device to the USB adapter.
Scheme 737
Scheme 738
*1: Vehicles with radio and CD player
*2: Vehicles with MMCS
INTRODUCTION TO DIAGNOSIS
Prior to the troubleshooting, check if the causes below can be the case. If any, take actions according to the solution method.
Pairing of the bluetooth® device (mobile phone or music player) and hands free module cannot be made.
The hands free module does not recognize the bluetooth® device (mobile phone or music player).
| Cause | SOLUTION |
|---|---|
| The power of the bluetooth® device is off. | With the power of the bluetooth® device turned on, check the trouble symptom again. |
| In addition to the bluetooth® device to be recognized, two or more bluetooth® device exist in the vehicle. | With the voice operation, select the device to be connected. Select the device to be connected on the multivision display. < Vehicles with MMCS > |
| Power supply abnormality in the hands free module, or communication error between the radio and CD player or multivision display, and hands free module. | Turn the ignition switch to the "ON" position and check if iPod connected to the USB adapter or USB device can be played. If the music cannot be played, the power supply of hands free module or the communication between the radio and CD player or multivision display, and hands free module may have a problem. Perform the Inspection procedure 2: The USB adapter data cannot be replayed. (Refer to INSPECTION PROCEDURE 2: THE USB ADAPTER DATA CANNOT BE REPLAYED. < VEHICLES WITH RADIO AND CD PLAYER > < Vehicles with radio and CD player > or INSPECTION PROCEDURE 2: THE USB ADAPTER DATA CANNOT BE REPLAYED. < VEHICLES WITH MMCS > < Vehicles with MMCS >.) If the diagnosis mode of hands free module can be made an entry, the module status can be checked by the hands free module self-check, however, if the power supply of hands free module, or the communication with the radio and CD player or multivision display may have a problem, the module status can not be checked. (Refer to DIAGNOSIS MODE < VEHICLES WITH RADIO AND CD PLAYER > < Vehicles with radio and CD player > or DIAGNOSIS MODE < VEHICLES WITH MMCS > < Vehicles with MMCS >.) |
TROUBLESHOOTING CHART
Calling cannot be made using the hands free cellular phone function.
Bluetooth® The music player cannot be replayed.
The music data received from the USB adapter cannot be replayed.
| Cause | SOLUTION |
|---|---|
| The Bluetooth® connection is not made between the hands free module and bluetooth® device. | Connect the bluetooth® device to the hands free module via Bluetooth®. |
| The vehicle is not located in the communication area of the cellular phone. | Check the radio wave condition of the cellular phone shown on the display, or check the radio wave condition shown on the cellular phone itself. |
| AUDIO communication error between the hands free module and the radio and CD player or multivision display. | Check if the data of music file sent to the hands free module can be replayed. If there are no problems, the communication between the hands free module and the radio and CD player or multivision display may have a problem. |
TROUBLESHOOTING CHART
The voice recognition operation cannot be performed.
The communication voice cannot be heard by the other party.
| Cause | SOLUTION |
|---|---|
| During the conversation, the microphone unit is set to mute. | During the conversation, press the speech switch and set to mute off by voice recognition. Perform Inspection Procedure 3: When the speech switch is pressed, the voice information is output, but the voice recognition is not performed. (Refer to INSPECTION PROCEDURE 3: WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS OUTPUT, BUT THE VOICE RECOGNITION IS NOT PERFORMED. .) |
| The hands free module cannot recognize the speech voice because of noise or others. | Minimize the noise by turning off the A/C, closing the window, and stopping the engine, and then clearly speak up near the microphone unit. Or, customize the voice recognition using the speaker enrollment function. |
| The microphone unit, or the connection has a problem. | The microphone unit may have a problem. Perform Inspection Procedure 3: When the speech switch is pressed, the voice information is output, but the voice recognition is not performed. (Refer to INSPECTION PROCEDURE 3: WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS OUTPUT, BUT THE VOICE RECOGNITION IS NOT PERFORMED. .) The connection with the microphone unit can be checked by the microphone check result on the diagnosis mode. (Refer to DIAGNOSIS MODE < VEHICLES WITH RADIO AND CD PLAYER > < Vehicles with radio and CD player > or DIAGNOSIS MODE < VEHICLES WITH MMCS > < Vehicles with MMCS >.) |
| The speech switch, or the connection has a problem. | If the voice information is not output when the speech switch is operated, the steering wheel voice control switch has a problem. Perform the Inspection Procedure 4: When the speech switch is pressed, the voice information is not output. (Refer to INSPECTION PROCEDURE 4: WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS NOT OUTPUT. < VEHICLES WITH RADIO AND CD PLAYER > < Vehicles with radio and CD player > or INSPECTION PROCEDURE 4: WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS NOT OUTPUT. < VEHICLES WITH MMCS > < Vehicles with MMCS >.) |
TROUBLESHOOTING CHART
A call cannot be received when the pick-up switch (Steering wheel voice control switch) is pressed.
The voice information cannot be output from the speaker.
| Cause | SOLUTION |
|---|---|
| The Bluetooth® connection is not made between the hands free module and cellular phone. | Connect the cellular phone to the hands free module via Bluetooth®. |
| The pick-up switch (Steering wheel voice control switch), or the connection has a problem. | If the voice information is not output when the speech switch is operated, the steering wheel voice control switch has a problem. Perform the Inspection Procedure 4: When the speech switch is pressed, the voice information is not output. (Refer to INSPECTION PROCEDURE 4: WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS NOT OUTPUT. < VEHICLES WITH RADIO AND CD PLAYER > < Vehicles with radio and CD player > or INSPECTION PROCEDURE 4: WHEN THE SPEECH SWITCH IS PRESSED, THE VOICE INFORMATION IS NOT OUTPUT. < VEHICLES WITH MMCS > < Vehicles with MMCS >.) |
TROUBLESHOOTING CHART
Voice guide "Unable to obtain vehicle speed. Please try again or contact your dealer for service" is sent from the speaker.
| Cause | SOLUTION |
|---|---|
| The hands free module cannot receive the vehicle speed signal from the radio and CD player or multivision display. | If the vehicle speed signal the hands free module receives has a problem, the vehicle speed signal of radio and CD player or multivision display, or the hands free module may have a problem. Perform the Inspection Procedure 8: Voice guide "Unable to obtain vehicle speed. Please try again or contact your dealer for service" is sent from the speaker. (Refer to INSPECTION PROCEDURE 8: VOICE GUIDE "UNABLE TO OBTAIN VEHICLE SPEED. PLEASE TRY AGAIN OR CONTACT YOUR DEALER FOR SERVICE" IS SENT FROM THE SPEAKER. < VEHICLES WITH RADIO AND CD PLAYER > < Vehicles with radio and CD player > or INSPECTION PROCEDURE 8: VOICE GUIDE "UNABLE TO OBTAIN VEHICLE SPEED. PLEASE TRY AGAIN OR CONTACT YOUR DEALER FOR SERVICE" IS SENT FROM THE SPEAKER. < VEHICLES WITH MMCS > < Vehicles with MMCS >.) |
TROUBLESHOOTING CHART
TECHNICAL DESCRIPTION (COMMENT)
- The power supply to the hands free module is provided by the fusible link No. 36.
- The ACC signal is received hands free module C-11 terminal (terminal 15) from radio and CD player connector C-109 terminal (terminal 17). < Vehicles with radio and CD player >
- The ACC signal is received hands free module C-11 terminal (terminal 15) from multivision display connector C-09 terminal (terminal 72). < Vehicles with MMCS >
If the sound replay is impossible with the USB mode, the USB adapter, USB cable, hands free module, or radio and CD player may be defective, or a communication error between the radio and CD player and hands free module may have occurred.
Note. Before troubleshooting, check that the music file (the customer tried to replay) can be replayed.
If the sound replay is impossible with the USB/i Pod mode, the USB adapter, USB cable, hands free module, or multivision display may be defective, or a communication error between the multivision display and hands free module may have occurred.
Note. Before troubleshooting, check that the music file (the customer tried to replay) can be replayed.
When the speech switch is pushed, if the voice information is sent but voice recognition is not executed, the microphone unit, hands free module or the communication between the microphone unit and hands free module may have a problem.
If the voice information is not sent when the speech switch is pushed, the communication between the radio and CD player, and the hands free module, or the communication between the radio and CD player, and the steering wheel voice control switch, the hands free module, or the steering wheel voice control switch may have a problem.
If the voice information is not sent when the speech switch is pushed, the communication between the multivision display, and the hands free module, or the communication between the multivision display, and the steering wheel voice control switch, the hands free module, or the steering wheel voice control switch may have a problem.
If the diagnosis mode cannot be made an entry, the hands free module, the communication between the hands free module, and the radio and CD player, or the power supply system of hands free module may have a problem.
If the diagnosis mode cannot be made an entry, the hands free module, the communication between the hands free module, and the multivision display, or the power supply system of hands free module may have a problem.
The power supply circuit to the steering wheel voice control switch, the steering wheel voice control switch, the combination meter, or the clock spring may be defective.
If the voice guide "Unable to obtain vehicle speed. Please try again or contact your dealer for service" is sent from the speaker, the vehicle speed signal of hands free module has a problem. At this time, the hands free module, and the vehicle speed signal of radio and CD player may have a problem.
If the voice guide "Unable to obtain vehicle speed. Please try again or contact your dealer for service" is sent from the speaker, the vehicle speed signal of hands free module has a problem. At this time, the hands free module, and the vehicle speed signal of multivision display may have a problem.