Mitsubishi Evolution X. Manual - part 1000

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-361

STEP 5. Check again using a normal CD, which is 
not dirty or scratched.

• Load another normal CD.

• Check that the CD player recognizes and play the 

CD.

Q: When you substitute another normal CD, is the CD 

loaded correctly?
YES : 

The original CD is defective. Check that a 

CD can be inserted.

NO : 

Replace or repair the radio and CD player. 
Check that a CD can be inserted.

Inspection Procedure 23: No sound. (CD Only)

DIAGNOSIS

STEP 1. Check again using another CD, which is 
not dirty or scratched.

Q: When you substitute another normal CD, is the CD 

played normally?
YES : 

The original CD is defective. The radio and 

CD player should sound normally.

NO : 

Go to Step 2.

STEP 2. Check power supply to the radio and CD 
player when the ignition switch is at "ACC" or 
"ON" position.

Q: Is the radio and CD player energized when the 

ignition switch is turned to the "ACC" or "ON" 
position?
YES : 

Replace the radio and CD player. The radio 

and CD player should sound normally.

NO : 

Check the memory backup power supply 
circuit. Refer to Inspection Procedure 1 

P.54A-318

.

Inspection Procedure 24: CD Sound Skips.

DIAGNOSIS

STEP 1. Check the state in which the sound on 
the CD jumps.

Q: Does the sound jump when the car is parked?

YES : 

Go to Step 2.

NO : 

Go to Step 4.

STEP 2. Check the surface of the CD.

Q: Are there any scratches or soiling on the CD?

YES : 

The CD is defective if there are any 

scratches. Clean the CD surface if it is dirty. 
Check that a CD sound skip is resolved.

NO : 

Go to Step 3.

STEP 3. Check when replacing with a CD that can 
be played normally without any scratches or 
soiling.

Q: Does the CD play normally when replaced with a 

CD that is not scratched or dirty and can play 
normally?
YES : 

Defective CD used. Check that a CD sound 

skip is resolved.

NO : 

Go to Step 4.

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-362

STEP 4. Check by tapping the radio and CD 
player.
NOTE: Check by using a known-good CD which is 
free from scratches, dirt or any other abnormality.

Q: Does the sound jump when tapping the radio and 

CD player?
YES : 

Securely mount the radio and CD player. 

Check that a CD sound skip is resolved.

NO : 

Either replace the audio system or take the 

following measures if a servicing shop is 
nearby.

1. Investigate in detail the conditions 

when the sound jumps while driving 
the car.

2. Describe these conditions to the 

service shop for consultation.

3. Either replace the audio according to 

the instructions of the service shop.

Check that a CD sound skip is resolved.

Inspection Procedure 25: Sound quality is poor.

DIAGNOSIS

Check to see that the CD can be played normally 
and that it is free of any scratches or soiling.
Replace with better sound quality CD.

Q: Is the sound quality better replacing the CD with a 

clean CD without any scratches that can be 
played?
YES : 

The CD is defective. The sound quality 

should return to normal.

NO : 

Replace the radio and CD player. The 
sound quality should return to normal.

Inspection Procedure 26: CD can not be Ejected.

DIAGNOSIS

Check the power of ignition switch "ACC".

Q: Does the radio and CD player power turn ON when 

the ignition switch is in the "ACC" or "ON" 
position?
YES : 

Either replace the radio and CD player. 

Check that a CD can be ejected normally.

NO : 

Check the memory backup power supply 
circuit. Refer to Inspection Procedure 1 

P.54A-318

.

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-363

ON-VEHICLE SERVICE

ADJUSTMENT OF VOLUME AND SOUND 
QUALITY AUTOMATIC CORRECTION FUNCTION

M1544014200196

When the following operations are performed with the audio 
power ON, the sound volume during driving and the ON/OFF of 
sound quality automatic correction function are switched.

1. Press and hold (approximately 2 seconds) the sound 

adjustment switch.

2. Press the sound adjustment switch (approximately 1.5 sec-

onds or less) to switch to the SCV setting screen.

3. SCV ON (when the automatic correction function is ON) or 

SCV OFF (when the automatic correction function is OFF) 
is displayed.

4. Turn the sound adjustment switch knob to switch between 

SCV ON and OFF.

5. Press the sound adjustment switch or leave as it is for 10 

seconds or more.

6. Go back to the audio normal screen.

SERVICE DATA

M1544014100069

AC609154

AE

Sound adjustment switch

Item No.

Scan tool display

Check condition

Normal condition

1

RADIO remoto SW (SEEK-)

When the "CH down" switch is pushed

ON

2

RADIO remoto SW (SEEK+)

When the "CH up" switch is pushed

ON

3

RADIO remoto SW (MODE)

When the "Mode" switch is pushed

ON

4

RADIO remoto SW (VOL-)

When the "VOL down" switch is pushed ON

5

RADIO remoto SW (VOL+)

When the "VOL up" switch is pushed

ON

10

On hook switch

When the "Hang-up" switch is pushed

ON

11

Off hook switch

When the "Pick-up" switch is pushed

ON

13

RV switch

When the "Speech" switch is pushed

ON

RADIO AND CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-364

REMOVAL AND INSTALLATION

M1544010900267

AC609097

1

3

AB

3

1.0 ± 0.5 N·m
9 ± 4 in-lb

1.0 ± 0.5 N·m
9 ± 4 in-lb

4

2

AC608893

5

Section A – A

Claw

Claw

AB

A

A

A

5

A

Audio Unit Removal Steps 

1.

Instrument center panel (Refer to 
GROUP 52A 

− Instrument Center 

Panel assembly 

P.52A-7

).

2.

Radio and CD player assembly

3.

Audio equip bracket (LH/RH)

4.

Radio and CD player

Audio Adaptor Removal Steps 

•

Instrument console box (Refer to 
GROUP 52A 

− Instrument Center 

Panel assembly 

P.52A-7

).

5.

Audio adaptor <Vehicles with audio 
amplifier>