Mitsubishi Evolution X. Manual - part 1017

 

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Mitsubishi Evolution X. Manual - part 1017

 

 

MMCS

TSB Revision

CHASSIS ELECTRICAL

54A-429

STEP 9. Check the speaker, tweeter or subwoofer.
(1) Remove the speaker, tweeter or subwoofer (Refer to 

P.54A-575

).

(2) Check that the speaker or tweeter outputs the noise when 

the voltage of 5 V is applied to the speaker or tweeter 
connector terminal. <speaker or tweeter>

(3) Check that the subwoofer outputs the noise when the 

voltage of 5 V is applied to the subwoofer connector 
terminal. <subwoofer>

Q: Does the speaker, tweeter or subwoofer output the 

noise?
YES : Go to Step 10.
NO :  Replace the speaker, tweeter or subwoofer.

STEP 10. Check audio amplifier connector D-29 <front 
door speaker or sub woofer> or D-30 <tweeter or rear door 
speaker> for loose, corroded or damaged terminals, or 
terminals pushed back in the connector.
Q: Is audio amplifier connector D-29 <front door speaker or 

sub woofer> or D-30 <tweeter or rear door speaker> in 
good condition?
YES : Go to Step 11.
NO :  Repair or replace the damaged component (Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

).

STEP 11. Check the wiring harness between the speaker or 
tweeter connector terminal and the audio amplifier 
connector terminal.
Check the communication lines for open circuit and short cir-
cuit.

• <Front door speaker (LH)> Check the wiring harness 

between front door speaker (LH) connector E-13 (terminal 
1, 2) and audio amplifier connector D-29 (terminal 28, 38).
NOTE: . Also check intermediate connectors C-23 and 
C-128 for loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector. If intermediate connec-
tor C-23 or C-128 is damaged, repair or replace the 
connector as described in GROUP 00E, Harness Connec-
tor Inspection 

P.00E-2

.

• <Front door speaker (RH)> Check the wiring harness 

between front door speaker (RH) connector E-11 (terminal 
1, 2) and audio amplifier connector D-29 (terminal 27, 37).
NOTE: . Also check intermediate connectors C-23 and 
C-116 for loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector. If intermediate connec-
tor C-23 or C-116 is damaged, repair or replace the 
connector as described in GROUP 00E, Harness Connec-
tor Inspection 

P.00E-2

.

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CHASSIS ELECTRICAL

54A-430

• <Rear door speaker (LH)> Check the wiring harness 

between rear door speaker (LH) connector E-23 (terminal 1, 
2) and audio amplifier connector D-30 (terminal 1, 7).
NOTE: . Also check intermediate connector D-24 for loose, 
corroded, or damaged terminals, or terminals pushed back 
in the connector. If intermediate connector D-24 is dam-
aged, repair or replace the connector as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

• <Rear door speaker (RH)> Check the wiring harness 

between rear door speaker (RH) connector E-22 (terminal 
1, 2) and audio amplifier connector D-30 (terminal 2, 8).
NOTE: . Also check intermediate connector D-01 for loose, 
corroded, or damaged terminals, or terminals pushed back 
in the connector. If intermediate connector D-01 is dam-
aged, repair or replace the connector as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

• <Tweeter (LH)> Check the wiring harness between tweeter 

(LH) connector E-02 (terminal 1, 2) and audio amplifier con-
nector D-30 (terminal 14, 6).
NOTE: Also check intermediate connectors C-24 and 
C-129 for loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector. If intermediate connec-
tor C-24 or C-129 is damaged, repair or replace the 
connector as described in GROUP 00E, Harness Connec-
tor Inspection 

P.00E-2

.

• <Tweeter (RH)> Check the wiring harness between tweeter 

(RH) connector E-04 (terminal 1, 2) and audio amplifier con-
nector D-30 (terminal 13, 5).
NOTE: Also check intermediate connectors C-24 and C-117 
for loose, corroded, or damaged terminals, or terminals 
pushed back in the connector. If intermediate connector 
C-24 or C-117 is damaged, repair or replace the connector 
as described in GROUP 00E, Harness Connector Inspec-
tion 

P.00E-2

.

• <Subwoofer> Check the wiring harness between subwoofer 

connector F-26 (terminal 1, 2, 3, 4) and audio amplifier con-
nector D-29 (terminal 30, 22, 29, 21).
NOTE: Also check intermediate connector D-16 for loose, 
corroded, or damaged terminals, or terminals pushed back 
in the connector. If intermediate connector D-16 is dam-
aged, repair or replace the connector as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between the speaker, tweeter or 

subwoofer connector terminal and the audio amplifier 
connector terminal in good condition?
YES <front door speaker> : Go to Step 12.
YES <except front door speaker> : Go to Step 14.
NO (harness wire is abnormal) : 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. 

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CHASSIS ELECTRICAL

54A-431

STEP 12. Check multivision display connector C-13 for 
loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is multivision display connector C-13 in good 

condition?
YES : Go to Step 13.
NO :  Repair or replace the damaged component (Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

).

STEP 13. Check the wiring harness between multivision 
display connector C-13 (terminal 3, 7, 12, 15) and audio 
amplifier connector D-30 (terminal 12, 11, 4, 10).

• Check the communication lines for open circuit and short 

circuit.

NOTE: Also check intermediate connectors C-24 and C-108 for 
loose, corroded, or damaged terminals, or terminals pushed 
back in the connector. If intermediate connector C-24 or C-108 
is damaged, repair or replace the connector as described in 
GROUP 00E, Harness Connector Inspection 

P.00E-2

.

Q: Is the wiring harness between multivision display 

connector C-13 (terminal 3, 7, 12, 15) and audio 
amplifier connector D-30 (terminal 12, 11, 4, 10) in good 
condition?
YES : Check the trouble symptom, go to Step 14.
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 14. Replace the multivision display temporarily, and 
check the trouble symptom.
Replace the multivision display temporarily, and check that the 
sound is output from the speaker.
Q: Is the check result normal?

YES : Replace the multivision display.
NO :  Replace the audio amplifier.

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CHASSIS ELECTRICAL

54A-432

Inspection Procedure 4: The navigation system can be operated while the vehicle is driven.

CAUTION

Before replacing the ECU, ensure that the power supply circuit, the ground circuit, and the communi-
cation circuit are normal. (Check that the voltage is 10 V or more.)

.

COMMENTS ON TROUBLE SYMPTOM

There is a failure in the wiring harness between the 
combination meter and the multivision display, the 
respective connector(s), the combination meter or 
the multivision display.

.

PROBABLE CAUSES

• The combination meter may be defective

• The multivision display may be defective

• 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)

Multivision Display Communication Circuit

COMBINATION
METER

INTERFACE
CIRCUIT

MULTIVISION
DISPLAY

AC708950

Connector: C-04

AR

AC708951BM

Connectors: C-13, C-108

C-13 (GR)

C-108

 

 

 

 

 

 

 

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