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Mitsubishi L200. Manual - part 759

HANDS FREE-ECU

CHASSIS ELECTRICAL

54A-403

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.

STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING

M1540203800583

Refer to GROUP 00

− Troubleshooting contents .

DIAGNOSIS MODE <USING RADIO AND CD PLAYER>

M1544404800388

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.

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-417

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 . 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-417

). The connection with

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

P.54A-403

<vehicles with radio and CD player> or

P.54A-406

<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-419

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 pick-up switch (Steering
wheel voice control switch),
or the connection has a
problem.

P.54A-419

Cause

SOLUTION

The hands free ECU cannot
receive the vehicle speed
signal from the multivision
display.

If the vehicle speed signal the hands free ECU receives has a problem, the
vehicle speed signal of multivision display, or the hands free ECU may have
a problem. Perform the Inspection Procedure 7: 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-423

HANDS FREE-ECU

CHASSIS ELECTRICAL

54A-404

2. Press the following buttons in that order within

sixty seconds from step (1).
(1) [CH1] button.
(2) TUNE/SEEK (Down-step/Down-seek) button.

(3) TUNE/SEEK (Up-step/Up-seek) 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
ECU 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 ECU update, the diagnosis mode will be can-
celled and the relevant operation will be carried
out.

•

When an invalid button is pressed during diagno-
sis mode except the hands free ECU 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.

ACB02015

Power

[CH1]

[CH4]

[CH3]

[CH2]

[CH6]

[CH5]

TUNE/SEEK
(Up-step/Up-seek)

Return

TUNE/SEEK
(Down-step/Down-seek)

Select

Mode change

HANDS FREE-ECU

CHASSIS ELECTRICAL

54A-405

DIAGNOSIS MODE OPERATION

AC904955

Radio and CD player power OFF

CH4

CH1

TUNE/SEEK (Up-step/Up-seek)

TUNE/SEEK

(Down-step/Down-seek)

Return

UNLOCK

3 seconds

HFM DIAG

Microphone check
result

Part Number

H/W Ver.

S/W Ver.

Self-check Result

CH4

CH3

HFM UPDATE

CODE_

CODE XXXX

UPDATE XX%

UPDATE FAIL

CODE WRONG

NO FILE

Select

3 seconds

Select

3 seconds

Select

3 seconds
or

Select

UPDATE
COMPLETE

Code OK

Code NG

ECU
Malfunction

Abnormal
End

Select

Description in the
illustrations

Actual display

Item explanation

UNLOCK

Unlock complete

Four-digit password, which has been set by the security
function, will be erased.

HFM DIAG

Displayed when the diagnosis mode is being entered.

Result of microphone
check

MIC short

Displayed when the line between the microphone and the
hands free ECU is short-circuited.

MIC Open

Displayed when the line between the microphone and the
hands free ECU is open-circuited.

MIC OK

Normal status (the line between the microphone and the
hands free ECU is not open/short-circuited)

Part number

PN XXXXXXXX

Eight-digit part number is displayed.

HANDS FREE-ECU

CHASSIS ELECTRICAL

54A-406

DIAGNOSIS MODE <USING MULTIVISION DISPLAY>

M1544404800399

As a diagnosis mode for the hands free ECU, version
information of the hands free ECU and diagnostic
results of the hands free ECU and the microphone
unit can be displayed by the service mode of the mul-
tivision display.
HOW TO INITIATE THE SERVICE MODE
Refer to MMCS - Service mode

P.54A-305

HOW TO TERMINATE THE SERVICE MODE
Refer to MMCS - Service mode

P.54A-305

HANDS FREE MODULE

NOTE:

•

While the hands free ECU is in diagnosis mode,
connection with the Bluetooth

device is shut

down.

•

While the hands free ECU is in diagnosis mode,
the sound input to the microphone unit is output
directly through the speaker.

1. Select "Hands Free Module" on "Service" screen.

2. "Hands Free Module" screen is displayed.

H/W Ver.

H/W XX

Two-digit hardware version is displayed.

S/W Ver.

S/W XXXXXXX

Seven-digit software version is displayed.

Self-check result

HFM OK

Displayed when the hands free ECU is not defective.

HFM Error

Displayed when the hands free ECU is suspected to be
defective.
NOTE: Turn the ignition switch to the "OFF" position once
when "Error" is displayed. Enter the diagnosis mode by turning
the ignition switch to the "ON" position again.If the self-check
result shows "Error" again, the hands-free ECU is determined
to be defective.

NO FILE

NO file

An USB device stores no data.

HFM UPDATE

HFM Update

Displayed when the hands free ECU enters the update mode.
(An USB device stores the file for update.)

CODE_

Code_

Input four-digit code for update.Use the "CH" button when a
code is input.

CODE XXXX

Code XXXX

Code XXXX is displayed in number 1 to 6 by pushing each
CH1 to CH6 button.

CODE WRONG

Code wrong

The code, which has been input, is wrong.

UPDATING XX%

Updating XX%

Displayed when updating is carried out.

UPDATE COMPLETE

Update complete

The updating mode is complete.

UPDATE FAIL

Update fail

Displayed when the update of the hands-free ECU fails.

Description in the
illustrations

Actual display

Item explanation

ACB01772

Service

Vehicle Signal Check

Monitor Check

Camera Setting

Speaker Check

Network/Connect Line Check

Car Type Setting

Versions Indication

1/2

Sensor Check

Hands Free Module

Handle Setting

Back

Next

Previous

Hands Free Module

VOL 25

S/W Update

Unlock

Back

Error Code

Parts No.

H/W version

S/W version

HFM Self Check

HFM MIC Check

XX. YY. ZZZ

XXXXXXXX

AC903643

Content .. 757 758 759 760 ..