Mitsubishi Galant (2004+). Manual - part 1474

RADIO WITH CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-139

TROUBLE SYMPTOM CHART

M1544004900428

SYMPTOM

INSPECTION 
PROCEDURE

REFERENCE PAGE

When power switch is turned "ON," no power is available.

1

P.54A-140

Remote controlled radio 
switch

When remote controlled radio power 
switch is turned "ON," no power is 
available. But radio, CD player and CD 
changer power switch is available. 
<vehicles with audio amplifier>

2

P.54A-145

The system does not recognize the 
remote controlled radio switch (RH) 
only. <vehicles with audio amplifier>

3

P.54A-154

The system does not recognize the 
remote controlled radio switch (LH) only. 
<vehicles with audio amplifier>

4

P.54A-156

No sound. <vehicles with audio amplifier>

5

P.54A-158

No sound from one speaker. <vehicles without audio amplifier>

6

P.54A-163

No sound from one speaker. <vehicles with audio amplifier>

7

P.54A-176

Noise

Noise is present while moving (AM).

8

P.54A-189

Noise is present while moving (FM).

9

P.54A-190

Sound mixed with noise, only at night 
(AM).

10

P.54A-191

Noise is overpowering both AM and FM. 11

P.54A-192

Excessive noise on AM and FM.

12

P.54A-193

Noise is detected with engine running.

13

P.54A-194

Noise appears during vibration or 
shocks.

14

P.54A-196

Noise is present wile moving (FM) .

15

P.54A-199

Constant noise.

16

P.54A-200

Radio

No reception (AM).

17

P.54A-201

Poor reception.

18

P.54A-202

Distortion on AM and/or FM.

19

P.54A-203

Distortion on FM only.

20

P.54A-204

Auto select function inoperative, too few 
automatic stations are selected.

21

P.54A-205

Preset stations are erased.

22

P.54A-207

CD player, CD auto 
changer

CD can not be inserted.

23

P.54A-210

No sound (CD only).

24

P.54A-211

CD sound skips.

25

P.54A-212

Sound quality is poor.

26

P.54A-213

CD cannot be ejected.

27

P.54A-213

RADIO WITH CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-140

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: When Power Switch is Turned "ON," no Power is Available.

.

IGNITION 
SWITCH (ACC)

RELAY 
BOX

RADIO AND CD PLAYER
                  OR
RADIO, CD PLAYER AND
CD CHANGER 

Radio and CD Player or Radio, CD Player and CD Changer Power Supply Circuit

AC305231CH

CONNECTOR: C-29

AC305233BZ

CONNECTOR: C-111

RADIO WITH CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-141

CIRCUIT OPERATION
Power is supplied to the radio and CD player or 
radio, CD player and CD changer when the ignition 
switch is in the "ACC" position or "ON" position. 
When the ignition is switched on, the radio and CD 
player or radio, CD player and CD changer or radio, 
CD player and CD changer will return to the previous 
state when the ignition was switch off at the last time.

.

TECHNICAL DESCRIPTION (COMMENT)
The cause is probably a faulty radio and CD player or 
radio, CD player and CD changer power supply cir-
cuit .

.

TROUBLESHOOTING HINTS

• Damaged wiring harness or connector.

• Malfunction of the radio and CD player or radio, 

CD player and CD changer.

DIAGNOSIS

Required Special Tool:

• MB991223: Harness set

STEP 1. Check to see that the radio and CD player or radio, 
CD player and CD changer is energized when the power 
switch is turned ON.
(1) Turn the ignition switch to "ACC" position.
(2) Turn ON the radio and CD player or radio, CD player and 

CD changer power switch.

Q:  Is the radio and CD player or radio, CD player and CD 

changer energized when the power switch is turned 
ON?
YES : Go to Step 2.
NO :  Go to Step 5.

STEP 2. Check radio and CD player or radio, CD player and 
CD changer connector C-111 for loose, corroded or 
damaged terminals, or terminals pushed back in the 
connector.
Q: Are radio and CD player or radio, CD player and CD 

changer connector C-111 in good condition?
YES : Go to Step 3.
NO :  Repair or replace the component(s). Refer to GROUP 

00E, Harness Connector Inspection 

P.00E-2

. If the 

power switch is turned on, the radio and CD player or 
radio, CD player and CD changer should operate 
normally.

AC305233

HARNESS SIDE

3
9

4

12

14

6

13

5

1110

8

2

7

1

BY

CONNECTOR: C-111

RADIO WITH CD PLAYER

TSB Revision

CHASSIS ELECTRICAL

54A-142

STEP 3. Check the wiring harness between radio and CD 
player or radio, CD player and CD changer connector 
C-111 (terminal 10) and the ignition switch (ACC).

NOTE: Also check intermediate connector C-29 for loose, cor-
roded, or damaged terminals, or terminals pushed back in the 
connector. If intermediate connector C-29 is damaged, repair or 
replace it. Refer to GROUP 00E, Harness Connector Inspec-
tion 

P.00E-2

. 

Q: Is the wiring harness between radio and CD player or 

radio, CD player and CD changer connector C-111 
(terminal 10) and ignition switch (ACC) in good 
condition?
YES : Go to Step 4.
NO :  Repair the wiring harness. If the power switch is 

turned on, the radio and CD player or radio, CD player 
and CD changer should operate normally.

STEP 4. Check the installation condition of the radio and 
CD player or radio, CD player and CD changer.
NOTE: The radio and CD player or radio, CD player and CD 
changer are grounded to the deck crossmember directly.
Q: Are the radio and CD player or radio, CD player and CD 

changer installed correctly?
YES : Repair or replace the radio and CD player or radio, 

CD player and CD changer. If the power switch is 
turned on, the radio and CD player or radio, CD player 
and CD changer should operate normally.

NO :  Install the radio and CD player or radio, CD player 

and CD changer properly. If the power switch is 
turned on, the radio and CD player or radio, CD player 
and CD changer should operate normally.

AC305233

HARNESS SIDE

3
9

4

12

14

6

13

5

1110

8

2

7

1

BY

CONNECTOR: C-111

AC305231AI

CONNECTOR: C-29