Mitsubishi Outlander GS45X. Manual — part 125
MMCS
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CHASSIS ELECTRICAL
54A-497
STEP 11. Retest the system
Temporarily replace the multivision display and check if the
sound is output.
Q: Is the check result normal?
YES : Replace the multivision display.
NO : Perform Inspection Procedure 3 "No sound is heard
from one of the speakers. <Vehicles without audio
amplifier>" (Refer to
.)
MMCS
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CHASSIS ELECTRICAL
54A-498
Inspection Procedure 2: No sound is heard. <Vehicles with audio amplifier>
CAUTION
Before replacing the multivision display, ensure that the power supply circuit, the ground circuit, and
the communication circuit are normal. (Check that the voltage is 10 V or more.)
Multivision Display System Circuit
AUDIO AMPLIFIER
FUSIBLE
LINK
36
MULTIVISION DISPLAY
ENGINE
COMPARTMENT
RELAY BOX
MMCS
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CHASSIS ELECTRICAL
54A-499
.
COMMENTS ON TROUBLE SYMPTOM
If the audio sound is not output, the multivision dis-
play, audio amplifier, or power supply circuit of audio
amplifier may have a problem, or the option coding
information may be inconsistent.
.
PROBABLE CAUSES
• Malfunctions of multivision display
• Malfunction of audio amplifier
• Option coding information inconsistency
• Damaged harness wires and connectors
DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
• MB992006: Extra Fine Probe
• MB991958: Scan Tool (M.U.T.-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: M.U.T.-III USB Cable
• MB991910: M.U.T.-III Main Harness A
STEP 1. Check the multivision display operation.
Q: Check the sources from which the sound is not output.
No sound only from radio : Perform Inspection Procedure
6 "The AM/FM radio broadcasting cannot be
received." (Refer to
.)
No sound only when the CD is played : Perform
Inspection Procedure 8 "CD/DVD cannot be Played."
(Refer to
.)
No sound only when the DVD is played : Perform
Inspection Procedure 8 "CD/DVD cannot be
Played."(Refer to
.) or Inspection
Procedure 9 "Image of a DVD is Played, but no
Sound is Played." (Refer to
.)
No sound only when the music server is used : Go to
Step 8.
No sound from any of the sources : Go to Step 2.
AC709494
AE
Connectors: C-06, C-10, C-15, C-22
C-10 (GR)
C-22
C-06
C-15
ACA02653AB
Connector: C-129
ACA02660AB
Connectors: D-126, D-127
C-127
C-126
MMCS
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CHASSIS ELECTRICAL
54A-500
STEP 2. Check the ETACS-ECU coding data.
Use scan tool MB991958 to diagnose the CAN bus lines.
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) Connect scan tool MB991958. Refer to "How to connect the
Scan Tool (M.U.T.-III)
."
(2) Turn the ignition switch to "ON" position.
(3) Operate the scan tool MB991958 to read the ETACS-ECU
option coding information (Refer to GROUP 00, Coding
Table
(4) Check that the "Speaker" is set to "Premium."
Q: Is the check result normal?
YES : Go to Step 3.
NO : Operate scan tool MB991958 to set the option coding
"Speaker" to "Premium," and check the trouble
symptom.
STEP 3. Check the MMCS service mode, CAN
communication confirmation, and coding data.
(1) Display the CAN Communication Confirmation and Coding
Data of the MMCS service mode. (Refer to
(2) Check if PREMIUM is displayed.
Q: Is the check result normal?
YES : Go to step 4.
NO : Go to step 5.
STEP 4. Check the service data log for the MMCS service
mode.
With the service data log of MMCS service mode displayed,
check if the service data log for SP (speaker) is displayed.
(Refer to
Q: Is the service data log for SP (speaker) displayed?
YES : Go to step 5.
NO : Go to step 8.
STEP 5. Using scan tool MB991958, diagnose the CAN bus
line.
Use scan tool MB991958 to diagnose the CAN bus lines.
(1) Turn the ignition switch to "ON" position.
(2) Diagnose the CAN bus line.
Q: Is the check result normal?
YES : Go to Step 6.
NO : Repair the CAN bus line.
ZC501967
AC404789
AC702802
MB991824
MB991827
MB991910
Data link
connector
AB
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