Mitsubishi Grandis. Manual - part 371

COLUMN SWITCH

CHASSIS ELECTRICAL

54A-103

COLUMN SWITCH

REMOVAL AND INSTALLATION

M1543009100424

INSPECTION

M1543019502270

COLUMN SWITCH (SWITCH BODY) 
CONTINUITY CHECK

1. Removal the lighting switch and the windshield 

wiper and washer switch.

2. Check that there is continuity between the same 

terminals [terminals (3) and (11)] of each 
connector of the column switch body which is still 
on the steering column.

AC312967AB

1

1

3

2

Removal steps

•

Gear shift lever knob <M/T> (Refer 
to GROUP 22A, Transmission 
Control 

P.22A-7

).

•

Selector lever knob <A/T> (Refer to 
GROUP 23A, Transmission Control 

P.23A-141

).

•

Selector lever panel (Refer to 
GROUP 52A, Instrument Panel 
Assembly 

P.52A-2

).

•

Front scuff plate inner, Cowl side 
trim (Refer to GROUP 52A, Interior 
Trim 

P.52A-10

).

•

Fuel filler lid lock release handle 
(Refer to GROUP 42, Fuel Filler Lid 

P.42-7

).

•

Lower panel (Refer to GROUP 52A, 
Instrument Panel Assembly 

P.52A-2

).

1.

Steering column cover (Refer to 
GROUP 52, Instrument Panel 
Assembly 

P.52A-2

).

2.

Windshield wiper and washer 
switch

3.

Lighting switch

AC312979AB

Lighting switch
side

Windshield wiper and
washer switch side

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-104

RADIO AND CD PLAYER

SPECIAL TOOLS

M1542000601240

TROUBLESHOOTING

TROUBLESHOOTING

M1544000700143

Use these steps to plan your diagnostic strategy. 
Follow through with each step to ensure that you 
have exhausted all possible methods of finding an 
audio system fault.
1. Gather information from the customer.

2. Verify that the condition described by the 

customer exists.

3. Find the malfunction by following the Symptom 

Chart.

4. Verify that the malfunction is eliminated.

STANDARD FLOW OF DIAGNOSIS 
TROUBLESHOOTING

Refer to GROUP 00, How to Use 
Troubleshooting/Inspection Service Points 

P.00-5

.

Column switch 
body

Tester 
connection 

Specified 
condition

Lighting switch side 
connector side, 
Windshield wiper 
and washer switch 
side connector

3 

− 3, 4 − 4, 5 

− 5, 6 − 6, 7 − 
7, 8 

− 8, 9 − 9, 

10 

− 10, 11 − 

11

Less than 2 
ohms

Tool

Number

Name

Application

MB990784

Ornament remover

Removal of selector 
panel, instrument centre 
panel

MB991223
A: MB991219
B: MB991220 
C: MB991221
D: MB991222

Harness set
A: Test harness
B: LED harness
C: LED harness 

adapter

D: Probe

For checking voltage 
(continuity and value) at 
harness and connectors

A: For checking 

connector pin contact 
voltage

B: For checking power 

supply circuits

C: For checking power 

supply circuits

D: For connection to 

commercially 
available tester

MB990784

MB991223

A

B

C

D

AC

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-105

TROUBLE SYMPTOM CHART

M1544004900514

Symptom

Inspection 
Procedure No.

Reference 
Page

Power of radio and CD player does not turn ON when the ignition switch 
is in the "ACC" position or "ON" position.

1

P.54A-106

No sound from one speaker.

2

P.54A-109

Noise

Noise appears at certain places when travelling 
(AM).

3

P.54A-121

Noise appears at certain places when travelling 
(FM).

4

P.54A-122

Mixed with noise, only at night (AM).

5

P.54A-123

Broadcasts can be heard but both AM and FM have 
a lot of noise.

6

P.54A-123

There is more noise on either AM or FM.

7

P.54A-124

There is noise when starting the engine.

8

P.54A-125

Some noise appears when there is vibration or 
shocks during travelling.

9

P.54A-127

Noise sometimes appears on FM during travelling.

10

P.54A-127

Ever-present noise.

11

P.54A-128

Radio

There is noise but no reception for both AM and FM 
or no sound from AM, or no sound from FM.

12

P.54A-128

Poor reception.

13

P.54A-129

Distortion on AM or on both AM and FM.

14

P.54A-130

Distortion on FM only.

15

P.54A-131

Using the auto select function, too few automatic 
stations are selected.

16

P.54A-131

Preset stations are erased.

17

P.54A-132

CD player

CD can not be inserted.

18

P.54A-135

No sound (CD only).

19

P.54A-135

CD sound skips.

20

P.54A-136

Sound quality is poor.

21

P.54A-136

CD cannot be ejected.

22

P.54A-136

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-106

SYMPTOM PROCEDURES

Inspection Procedure 1: Power of radio and CD player does not turn ON when the ignition switch is in 
the "ACC" position or "ON" position.

COMMENTS ON TROUBLE SYMPTOM

The cause is probably a faulty radio and CD player 
power supply circuit system.

POSSIBLE CAUSES

• Damaged wiring harness or connector.

• Malfunction of radio and CD player.

DIAGNOSIS PROCEDURE

Step 1. Check to see that the power turns ON 
when the power switch is turned ON.
(1) Turn the ignition switch to "ACC" position.
(2) Turn ON the radio and CD player power switch.

Q:  Is it possible to put the radio and CD player power 

in the "ON" position?

YES : 

Go to Step 2.

NO : 

Go to Step 5.

IGNITION 
SWITCH (ACC)

RELAY 
BOX

RADIO AND 
CD PLAYER

NOTE

: LHD 
: RHD

Wire colour code
B : Black     LG : Light green     G : Green     L : Blue     W : White     Y : Yellow     SB : Sky blue
BR : Brown     O : Orange     GR : Gray     R : Red     P : Pink     V : Violet

Radio and CD Player Power Supply Circuit