Mitsubishi Evolution X. Manual - part 994

 

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Mitsubishi Evolution X. Manual - part 994

 

 

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-337

STEP 3. Check door speaker connector E-13 <front-LH>, 
E-11 <front-RH>, E-23 <rear-LH> or E-22 <rear-RH>, or 
tweeter connector E-02 <LH> or E-04 <RH>, or sub woofer 
connector F-26 for loose, corroded or damaged terminals, 
or terminals pushed back in the connector.
Q: Is door speaker connector E-13 <front-LH>, E-11 

<front-RH>, E-23 <rear-LH> or E-22 <rear-RH>, or 
tweeter connector E-02 <LH> or E-04 <RH>, or sub 
woofer connector F-26 in good condition?
YES : Go to Step 4.
NO :  Repair or replace the damaged component(s) (Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

).

STEP 4. 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: Is the check result normal?

YES : Go to Step 5.
NO :  Replace the speaker, tweeter or subwoofer.

STEP 5. Check audio amplifier connector D-29 <front door 
speaker or sub woofer> or D-30 <rear door speaker or 
tweeter> 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 <rear door speaker or tweeter> in 
good condition?
YES : Go to Step 6.
NO :  Repair or replace the damaged component (Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

).

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-338

STEP 6. Check the wiring harness between the speaker, 
tweeter or sub woofer connector terminal and the audio 
amplifier connector terminal.

• Check the communication lines for open circuit and short 

circuit.

• <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 terminals 
pushed back in the connector. If intermediate connector 
C-23 or C-116 is damaged, repair or replace the connector 
as described in GROUP 00E, Harness Connector Inspec-
tion 

P.00E-2

.

• <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-117 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-26 (terminal 13, 5).
NOTE: Also check intermediate connectors C-24 and C-117 

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-339

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 No.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 

sub woofer connector terminal and the audio amplifier 
connector terminal in good condition?
YES <front door speaker> : Go to Step 7.
YES <except front door speaker> : Go to Step 9.
NO (harness wire is abnormal) : Repair or replace the 

damaged component (Refer to GROUP 00E, Harness 
Connector Inspection 

P.00E-2

).

STEP 7. Check radio and CD player connector C-107 for 
loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is radio and CD player connector C-107 in good 

condition?
YES : Go to Step 8.
NO :  Repair or replace the damaged component (Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

).

STEP 8. Check the harness wire between radio and CD 
player connector C-107 (terminal 26, 28, 36, 38) and audio 
amplifier connector D-30 (terminal 10, 4, 11, 12).

• Check the communication lines for open circuit and short 

circuit.

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

P.00E-2

.

Q: Is the wiring harness between radio and CD player 

connector C-107 (terminal 26, 28, 36, 38) and audio 
amplifier connector D-30 (terminal 10, 4, 11, 12) in good 
condition?
YES : Check the trouble symptom, go to Step 9.
NO :  Repair or replace the damaged component (Refer to 

GROUP 00E, Harness Connector Inspection 

P.00E-2

).

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-340

STEP 9. Replace the audio amplifier temporarily, and 
check the trouble symptom.
Replace the audio amplifier temporarily, and check that the 
sound is output from the speaker.
Q: Is the check result normal?

YES : Replace the audio amplifier.
NO :  Replace the radio and CD player.

Inspection Procedure 4: The audio does not operate normally by operating the radio and CD player of 
the center panel unit.

CAUTION

Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communi-
cation circuit are normal.

Center Panel Unit Power Supply Circuit

FUSIBLE
LINK

36

CENTER PANEL
UNIT

AUDIO SWITCH PANEL

LCD PANEL

RELAY BOX
 ENGINE 
 COMPARTMENT

RADIO AND CD
PLAYER

 

 

 

 

 

 

 

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