Mitsubishi Outlander GS45X. Manual - part 146

HANDS FREE MODULE

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CHASSIS ELECTRICAL

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DIAGNOSIS

INTRODUCTION TO DIAGNOSIS

M1544404500235

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).

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 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 multivition 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 multivition display, and hands free 
module may have a problem. Perform the Inspection procedure 2: The USB 
adapter data cannot be replayed. (Refer to 

P.54A-598

 <Vehicles with radio 

and CD player> or 

P.54A-601

 <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 
multivition display may have a problem, the module status can not be 
checked.(Refer to 

P.54A-584

 <Vehicles with radio and CD player> or 

P.54A-586

 <Vehicles with MMCS>.)

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 multivition 
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 multivition display may have a problem.

HANDS FREE MODULE

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CHASSIS ELECTRICAL

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The voice recognition operation cannot be performed.

 

The communication voice cannot be heard by the other party.

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.

Voice guide "Unable to obtain vehicle speed. Please try again or contact your dealer for service" is 
sent from the speaker.

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 

P.54A-604

.)

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 

P.54A-604

.) The connection 

with the microphone unit can be checked by the microphone check result on 
the diagnosis mode. (Refer to 

P.54A-584

 <Vehicles with radio and CD 

player> or 

P.54A-586

 <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 

P.54A-607

 <Vehicles with radio and CD player> or 

P.54A-611

 <Vehicles with MMCS>.)

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 

P.54A-607

 <Vehicles with radio and CD player> or 

P.54A-611

 <Vehicles with MMCS>.)

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 

P.54A-621

 

<Vehicles with radio and CD player> or 

P.54A-623

 <Vehicles with MMCS>.)

HANDS FREE MODULE

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STANDARD FLOW OF DIAGNOSTIC 
TROUBLESHOOTING

M1540203800390

Refer to GROUP 00, Troubleshooting contents 

P.00-7

.

DIAGNOSIS FUNCTION

M1544403100182

HOW TO CONNECT THE SCAN TOOL (M.U.T.-III)

Required Special Tools:

• MB991958: Scan Tool (M.U.T.-III Sub Assembly)

• MB991824: Vehicles Communication Interface (V.C.I.)

• MB991827: M.U.T.-III USB Cable

• MB991910: M.U.T.-III Main Harness A (Vehicles with 

CAN communication system)

CAUTION

To prevent damage to scan tool MB991958, always turn the 
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
1. Ensure that the ignition switch is at the "LOCK" (OFF) 

position.

2. Start up the personal computer.
3. Connect special tool MB991827 to special tool MB991824 

and the personal computer.

4. Connect special tool MB991910 to special tool MB991824.
5. Connect special tool MB991910 to the data link connector.
6. Turn the power switch of special tool MB991824 to the "ON" 

position.
NOTE: When special tool MB991824 is energized, special 
tool MB991824 indicator light will be illuminated in a green 
color.

7. Start the M.U.T.-III system on the personal computer.
NOTE: Disconnecting scan tool MB991958 is the reverse of the 
connecting sequence, making sure that the ignition switch is at 
the "LOCK" (OFF) position.

ZC501967

AC404789

AC702802

MB991824

MB991827

MB991910

Data link

connector

AB

HANDS FREE MODULE

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DIAGNOSIS MODE <VEHICLES WITH RADIO AND CD PLAYER>

M1544404800032

Enter the diagnosis mode according to the following steps:
1. Turn the Ignition switch to the "ACC" or "ON" position and 

switch off the radio and CD player.

2. Press the following buttons in that order within sixty seconds 

from step (1).

(1)  [CH1] button.
(2) Rewind button.
(3) Fast-forward button.
(4) [CH4] button.

NOTE: 

.

•

When the "Power" button of the radio and CD player is 
pressed during the diagnosis mode, the diagnosis mode will 
be cancelled, thus switching off the radio and CD player. 
However, if the "Power" button is pressed while the hands 
free module is being updated, the update will not be can-
celled.

•

When the "Mode change" button (FM/AM, CD) is pressed 
during diagnosis mode except the hands free module 
update, the diagnosis mode will be cancelled and relevant 
operation will be carried out.

•

When an invalid button is pressed during diagnosis mode 
except the hands free module update, the diagnosis mode 
will be cancelled, thus switching off the radio and CD player.

•

During the diagnosis mode, voice which is input through the 
microphone unit is played through a relevant loudspeaker.

3. "HFM DIAG" is displayed.

AC703737

AE

[CH1]

[CH4]

Fast-forward

Rewind

Power

[CH3]

DISP

[CH2]

[CH6]

[CH5]

PAGE

Mode change

AC703737