Mitsubishi Lancer (4A9 engine). Manual — part 198
HANDS FREE ECU
CHASSIS ELECTRICAL
54A-454
2. "Hands Free Module" screen is displayed.
SPECIFICATION OF DISPLAY ITEM
DISPLAY BUTTON AND FUNCTION
SOFTWARE UPDATE (S/W UPDATE)
The software of the hands free ECU can be updated.
NOTE:
.
•
"S/W Update" is displayed when an USB that
contains files to update the hands free ECU is
connected.
•
When the software update cannot continue
because of improper removal of the USB during
the update or of an incorrect update code, the
display returns to the "Hands Free Module"
screen. At this time, warning is not displayed.
Displayed name
Detail
VOL
The volume of the sound input to the microphone unit and output
through the speaker while the hands free ECU is in diagnosis
mode. (The sound volume can be changed by operating the
multivision display.)
Parts No
The part number of the hands free ECU is displayed in 8 digits.
H/W version
The hardware version information of the hands free ECU is
displayed in 2 digits.
S/W version
The software version information of the hands free ECU is
displayed in 7 digits.
HFM Self Check
The hands free ECU state is displayed.
• "OK": Normal (There is no abnormality in the hands free ECU.)
• "NG": Abnormal (The hands free ECU may have a problem.)
NOTE: If "NG" is displayed, turn the ignition switch to the "OFF"
position once. Then, turn the ignition switch to the "ON" position,
and enter into the diagnosis mode. When the HFM Self Check
display is NG again, the hands free ECU is determined to be
defective.
HFM MIC Check
Displays the communication condition of the hands free ECU and
the microphone unit.
• "OK": Normal (There is no short circuit or open circuit in the line
between the microphone unit and the hands free ECU.)
• "NG (Short)": This message is displayed when the line between
the microphone unit and the hands free ECU is shorted.
• "NG (Open)": (This message is displayed when there is an open
circuit in the line between the microphone unit and the hands
free ECU.)
Display button
Detail
S/W Update
Execution button for software update of the hands free ECU
(Displayed only when the update is possible.)
Error Code
Error Code screen is displayed. (This button is displayed in grey
when "HFM Self Check" is "OK.")
Unlock
Forcibly unlocks the 4-digit passcode that was set by the security
function. (When the ECU is not locked by passcode, the "Unlock"
button is displayed in grey.)
Back
Returns to "Service" screen.
HANDS FREE ECU
CHASSIS ELECTRICAL
54A-455
1. Press "S/W Update."
2. Select "Yes." (When "No" is selected, the display
returns to the "Hands Free Module" screen.)
3. Input the 4-digit code for update. ("Enter" is
displayed in grey until the 4-digit code is input.)
4. Update starts if the 4-digit code is normal.
NOTE:
.
•
When the input code is normal, the speaker
will not output the sound input to the micro-
phone unit until the display returns to the
"Hands Free Module" screen.
•
When the data rewriting operation is failed, the
error screen is displayed.
5. The "Reboot" screen is displayed when the
update is completed successfully.
6. After the hands free ECU is rebooted, the "Update
successfully." screen is displayed. When "OK" is
selected, the display returns to the "Hands Free
Module" screen.
ERROR CODE
The error code is displayed to show the internal state
of the ECU.
NOTE: This code shows the internal state of the
hands free ECU. Do not determine that the ECU is
defective even when an error code is displayed. Be
sure to diagnose the ECU before replacing it.
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
NG
OK
XX
XX. YY. ZZZ
XXXXXXXX
AC903643
AB
Hands Free Module
VOL 25
.
Update HFM S/W to version XX.YY.ZZZ?
Yes
No
AC903646
AB
Hands Free Module
Enter the security code (1-6 / 4 Digits).
Clear
Back
1
3
2
1
6
5
4
9
8
7
0
AC903980
Enter
AB
Hands Free Module
0%
HFM Reflash in Progress.
Please don’t remove Power or USB Device.
AC903648
AB
Hands Free Module
OK
Reflash Failed. Please check to make sure the USB
device contains the software update and is connected
then cycle power. If you continue to see this message
please replace the Hands Free Module.
AC903650
AB
Hands Free Module
HFM is rebooting ...
AC903651
AB
Hands Free Module
OK
Update successfully.
Version is XX.YY.ZZZ
AC903652
HANDS FREE ECU
CHASSIS ELECTRICAL
54A-456
1. Press "Error Code."
NOTE: "Error Code" is displayed when the "HFM
Self Check" is "NG."
2. When "Back" is selected, the display returns to
the "Hands Free Module" screen.
UNLOCK
Forcibly unlocks the 4-digit passcode that was set by
the security function.
NOTE: When the ECU is not locked by passcode,
the "Unlock" button is displayed in grey.
1. Press "Unlock."
2. When "Yes" is selected, "Lock mode canceled"
will be displayed and the passcode lock will be
unlocked.
NOTE: When "No" is selected, the display returns
to the "Hands Free Module" screen.
3. The display returns to the "Hands Free Module"
screen after 4 seconds.
TROUBLE SYMPTOM CHART
M1546001801391
NOTE: Some Bluetooth
®
devices may not be com-
patible with the hands free ECU
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
NG
OK
XX
XX. YY. ZZZ
XXXXXXXX
AC903643
AB
Hands Free Module
Back
0 0 1
Error Code
AC904735
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
NG
OK
XX
XX. YY. ZZZ
XXXXXXXX
AC903643
AB
Hands Free Module
VOL 25
.
Do you want to cancel lock mode?
Yes
No
AC903653
AB
Hands Free Module
VOL 25
Lock mode canceled.
AC903654
AB
HANDS FREE ECU
CHASSIS ELECTRICAL
54A-457
NOTE: If the radio and CD player or multivision dis-
play is reset or sound jump occurs at the auto start
by Auto Stop & Go (AS&G) System, refer to .<Vehi-
cles with Auto Stop & Go (AS&G) System>
SYMPTOM PROCEDURES
Inspection Procedure 1: Check the hands free ECU power supply circuit. <Vehicles with radio and CD
player>
CAUTION
Before replacing the ECU, ensure that the power
supply circuit, the earth circuit and the communi-
cation circuit are normal.
Inspection
Procedure
No.
Trouble symptom
Reference
page
1
Check the hands free ECU power supply circuit.
<Vehicles with radio
and CD player>
<Vehicles with
MMCS>
2
The USB adapter data cannot be replayed.
<Vehicles with radio
and CD player>
<Vehicles with
MMCS>
3
When the speech switch is pressed, the voice information is output, but the voice
recognition is not performed.
4
When the speech switch is pressed, the voice information is
not output.
<Vehicles with radio
and CD player>
<Vehicles with
MMCS>
5
DIAGNOSIS MODE cannot be made an entry.
<Vehicles with radio
and CD player>
6
DIAGNOSIS MODE cannot be made an entry. Mobile
Phone item is not displayed on the INFOR screen of
MMCS.
<Vehicles with
MMCS>
7
Steering wheel voice control switch illumination does not come on.
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
MMCS>
ACB02646
AH
C-41
Connectors: C-41, C-105 <LHD>
C-105
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