INTRODUCTION TO DIAGNOSIS


note For detail of the hands free-ECU, you can see to access via the MITSUBISHI MOTORS web site. Please read and agree the "Warning about Links to the Web Sites of Other Companies" because it connects other than MITSUBISHI MOTORS web site. http://www.mitsubishi-motors.com/en/products/index.html
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-ECU cannot be made.
The hands free-ECU 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 radio and CD player. <Vehicles with display audio>

Power supply abnormality in the hands free-ECU, or communication error between the radio and CD player and hands free-ECU.
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 hands free-ECU is defective, music cannot be played. Perform the Inspection procedure 2: The USB adapter data cannot be replayed. (Refer to .) If the diagnosis mode of hands free-ECU can be made an entry, the ECU status can be checked by the hands free-ECU self-check, however, if the power supply of hands free-ECU, or the communication with the radio and CD player may have a problem, the ECU status can not be checked. (Refer to <Vehicles with 1CD audio> or <Vehicles with display audio>.)

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-ECU and Bluetooth®device.
Connect the Bluetooth®device to the hands free-ECU via Bluetooth®.
The vehicle is not located in the communication area of the cellular phone.
Check the radio wave condition of the mobile phone shown on the display, or check the radio wave condition shown on the mobile phone itself.
communication error between the hands free-ECU and the radio and CD player.
Check if the data of music file sent to the hands free-ECU can be replayed. If there are no problems, the communication between the hands free-ECU and the radio and CD player may have a problem.

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 guide is output, but the voice recognition is not performed. (Refer to .)
The hands free-ECU 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.
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 guide is output, but the voice recognition is not performed. (Refer to .) The connection with the microphone unit can be checked by the microphone check result on the diagnosis mode. (Refer to <Vehicles with 1CD audio> or <Vehicles with display audio>.)
The speech switch, or the connection has a problem.
If the voice guide is not output when the speech switch is operated, the speech switch has a problem. Perform the Inspection Procedure 4: When the speech switch is pressed, the voice guide is not output. (Refer to .)

A call cannot be received when the OFF HOOK switch is pressed.
The voice guide cannot be output from the speaker.
Cause
Solution
The Bluetooth® connection is not made between the hands free-ECU and cellular phone.
Connect the cellular phone to the hands free-ECU via Bluetooth®.
The OFF HOOK switch, speech switch, or the connection has a problem.
If the voice guide is not output when the speech switch is operated, the speech switch has a problem. Perform the Inspection Procedure 4: When the speech switch is pressed, the voice guide is not output. (Refer to .)

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-ECU cannot receive the vehicle speed signal from the radio and CD player.
If the vehicle speed signal the hands free-ECU receives has a problem, the vehicle speed signal of radio and CD player or the hands free-ECU 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 .)