Mitsubishi Outlander GS45X. Manual — part 128
MMCS
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CHASSIS ELECTRICAL
54A-509
STEP 5. Using scan tool MB991958, read the CAN box unit
diagnostic trouble code.
Check again if the DTC is set to the CAN box unit.
Q: Is the DTC set?
YES : Troubleshoot the MMCS (Refer to
).
NO : Go to Step 6.
STEP 6. Using scan tool MB991958, read the ETACS-ECU
diagnostic trouble code.
Check if the diagnostic trouble code is set to the ETACS-ECU.
Q: Is the DTC set?
YES : Diagnose the ETACS-ECU (Refer to GROUP 54A
−
ETACS-ECU
− Troubleshooting
NO : Go to Step 7.
STEP 7. Checking with speaker test.
Perform the speaker test, and check which speaker does not
output the sound. Refer to
.
Q: Is the check result normal?
YES <normal for all> : The trouble can be an intermittent
malfunction (Refer to GROUP 00, How to Cope with
Intermittent Malfunction
).
NO <abnormal for all> : Refer to Inspection Procedure 2
"No sound is heard"
.
NO <only front door speaker (RH) is abnormal> : Go to
Step 8.
NO <only front door speaker (LH) is abnormal> : Go to
Step 12.
NO <only rear door speaker (RH) is abnormal> : Go to
Step 16.
NO <only rear door speaker (LH) is abnormal> : Go to
Step 20.
NO <only tweeter (RH) is abnormal> : Go to Step 24.
NO <only tweeter (LH) is abnormal> : Go to Step 28.
STEP 8. Check front door speaker (RH) connector E-04 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is front door speaker (RH) connector E-04 in good
condition?
YES : Go to Step 9.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
MMCS
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CHASSIS ELECTRICAL
54A-510
STEP 9. Check the front door speaker (RH).
(1) Remove the front door speaker (RH). Refer to
(2) Check that the front door speaker (RH) outputs the noise
when the voltage of five volts is applied to the front door
speaker (RH) connector terminal.
Q: Does the front door speaker (RH) output the noise?
YES : Go to Step 10.
NO : Replace the front door speaker (RH).
STEP 10. Check multivision display connector C-10 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is multivision display connector C-10 in good
condition?
YES : Go to Step 11.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
STEP 11. Check the wiring harness between multivision
display connector C-10 (terminal 7, 15) and front door
speaker (RH) connector E-04 (terminal 2, 1).
NOTE: Also check intermediate connectors C-17 and C-112 for
loose, corroded, or damaged terminals, or terminals pushed
back in the connector. If intermediate connector C-17 or C-112
is damaged, repair or replace the connector as described in
GROUP 00E, Harness Connector Inspection
• Check the communication lines for open circuit and short
circuit.
Q: Is the wiring harness between multivision display
connector C-10 (terminal 7, 15) and front door speaker
(RH) connector E-04 (terminal 2, 1) in good condition?
YES : Check the trouble symptom, and go to Step 32.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary.
AC703723AB
5 volts
MMCS
TSB Revision
CHASSIS ELECTRICAL
54A-511
STEP 12. Check front door speaker (LH) connector E-17 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is front door speaker (LH) connector E-17 in good
condition?
YES : Go to Step 13.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
STEP 13. Check the front door speaker (LH).
(1) Remove the front door speaker (LH). Refer to
(2) Check that the front door speaker (LH) outputs the noise
when the voltage of five volts is applied to the front door
speaker (LH) connector terminal.
Q: Does the front door speaker (LH) output the noise?
YES : Go to Step 14.
NO : Replace the front door speaker (LH).
STEP 14. Check multivision display connector C-10 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is multivision display connector C-10 in good
condition?
YES : Go to Step 15.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
AC703723AB
5 volts
MMCS
TSB Revision
CHASSIS ELECTRICAL
54A-512
STEP 15. Check the wiring harness between multivision
display connector C-10 (terminal 3, 12) and front door
speaker (LH) connector E-17 (terminal 2, 1).
NOTE: Also check intermediate connectors C-20 and C-126 for
loose, corroded, or damaged terminals, or terminals pushed
back in the connector. If intermediate connector C-20 or C-126
is damaged, repair or replace the connector as described in
GROUP 00E, Harness Connector Inspection
• Check the communication lines for open circuit and short
circuit.
Q: Is the wiring harness between multivision display
connector C-10 (terminal 3, 12) and front door speaker
(LH) connector E-17 (terminal 2, 1) in good condition?
YES : Check the trouble symptom, and go to Step 32.
NO : The wiring harness may be damaged or the
connector(s) may have loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Repair the wiring harness as necessary.
STEP 16. Check rear door speaker (RH) connector E-24 for
loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is rear door speaker (RH) connector E-24 in good
condition?
YES : Go to Step 17.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
STEP 17. Check the rear door speaker (RH).
(1) Remove the rear door speaker (RH). Refer to
.
(2) Check that the rear door speaker (RH) outputs the noise
when the voltage of five volts is applied to the rear door
speaker (RH) connector terminal.
Q: Does the rear door speaker (RH) output the noise?
YES : Go to Step 18.
NO : Replace the rear door speaker (RH).
AC703723AB
5 volts
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