Mitsubishi Montero (2004+). Manual — part 554

RADIO WITH TAPE PLAYER AND CD PLAYER

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CHASSIS ELECTRICAL

54A-185

STEP 3. Check the wiring harness between radio and CD
player connector D-06 (terminal 11) and the battery.

NOTE: Also check intermediate connector D-28. If intermediate
connectors D-28 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 D-06 (terminal 11) and the battery in good
condition?
YES : Repair or replace the radio and CD player. Check that

a memory is retained.

NO : Repair the wiring harness. Check that a memory is

retained.

INSPECTION PROCEDURE 20: CD can not be Inserted.

DIAGNOSIS

STEP1. Check that a CD has been already loaded.

Q: Has a CD been already loaded?

YES :

Take out the CD (If the CD can not be

ejected, refer to INSPECTION
PROCEDURE 24

P.54A-187

.) Check that a

CD can be inserted.

NO :

Go to Step 2.

STEP 2. Check how a CD is inserted.

Ensure that the ignition switch is at "ACC" or "ON".
NOTE: If you try to load a CD when the ignition
switch is at the positions other than "ACC" or "ON,"
the CD will not be inserted completely and then
rejected.

Q: If you try to load the CD, does the CD stops halfway

and then rejected?

YES :

Refer to INSPECTION PROCEDURE 24

P.54A-187

.

NO :

Go to Step 3.

AC204188

CONNECTORS: D-06, D-28

D-28

D-06

BK

D-28

2 3

27

32

28

33

16

15

4 5

19

18

29

17

34

7 8

35

22

21

9 10

30

36

31

37

25

24

23

6

20

1

14

26

11

13

12

38

D-06

1
7

2
8

10

11

5

13

6

14

12

4

9

3

HARNESS SIDE

RADIO WITH TAPE PLAYER AND CD PLAYER

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CHASSIS ELECTRICAL

54A-186

STEP 3. Check after the CD is loaded.
NOTE: Even though the CD is loaded, "E" (error) is
sometimes displayed with the CD rejected because
of vibration/shock or dew on the CD face or optical
lens.

Q: Though the CD is inserted completely, is "E" (error)

displayed and the CD ejected?
YES :

Go to Step 4.

NO :

There is no action to be taken.

STEP 4. Check the CD.
Check the CD for the conditions below:

• Is the CD loaded with its label facing down?

• Is the recorded face dirty or scratched?

• Is there dew on the recorded face?

Q: Is the CD in good condition?

YES :

Go to Step 5.

NO :

The original CD is defective. Check that a
CD can be inserted.

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 CD player. Check that
a CD can be inserted.

INSPECTION PROCEDURE 21: No Sound. (CD Only)

DIAGNOSIS

STEP 1. Check again using a normal 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 CD player

should sound normally.

NO :

Go to Step 2.

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

Q: Is the radio and CD player energized when the

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

YES :

Replace or repair the CD player. The CD

player should sound normally.

NO :

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

P.54A-127

.

INSPECTION PROCEDURE 22: 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 WITH TAPE PLAYER AND CD PLAYER

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CHASSIS ELECTRICAL

54A-187

STEP 4. Check by tapping the radio and CD
player.
NOTE: Check by using a proper 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 repair or replace the radio and CD

player. (Take the following measures if a
servicing shop is closely).

1. Investigate in detail the state when

the sound jumps while driving the
car.

2. Describe the state to the service

shop for consultation.

3. Either repair or replace the radio and

CD player according to the
instructions of the service shop.

Check that a CD sound skip is resolved.

INSPECTION PROCEDURE 23: 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 :

Repair or replace the CD payer. The sound
quality should return to normal.

INSPECTION PROCEDURE 24: 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 repair or 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-127

.

RADIO WITH TAPE PLAYER AND CD PLAYER

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CHASSIS ELECTRICAL

54A-188

SPECIAL TOOL

M1544000600287

ON-VEHICLE SERVICE

SPEAKER TEST

M1544005400192

Enter the speaker test mode according to the following steps:
1. Turn the ignition switch to "ACC" or "ON" position and switch

off the radio, tape player, CD player and CD auto changer.

2. Press the following buttons in that order within 60 seconds

from step (1).

(1) Memory select "1" button
(2) "TUNE/SEEK (DOWN)" button
(3) "TUNE/SEEK (UP)" button
(4) Memory select "6" button

TOOL

TOOL NUMBER
AND NAME

REPLACED BY MILLER
TOOL NUMBER

APPLICATION

MB991223
A: MB991219
B: MB991220
C: MB991221
D: MB991222
Harness set
A: Test harness
B: LED harness
C: LED harness

adapter

D: Probe

General service tool
(jumper)

Making voltage and
resistance measurements
during troubleshooting

A: Connect pin contact

pressure inspection

B: Power circuit

inspection

C: Power circuit

inspection

D: Commercial tester

connection

MB991223

A

B

C

D

AC

AC103197

TUNE/SEEK
BUTTON

MEMORY SELECT
BUTTON (1,6)

AB