Mitsubishi Lancer (4A9 engine). Manual - part 156

COLUMN SWITCH

CHASSIS ELECTRICAL

54A-286

<VEHICLES WITH LIGHTING CONTROL 
SENSOR>

COLUMN SWITCH (SWITCH BODY PART) 
CONTINUITY CHECK

M1543101000334

1. Remove the lighting switch and wiper/washer 

switch.

2. Check that the continuity is present for the same 

terminal numbers (No. 3

−11) of the column switch 

body connectors that remain on the steering col-
umn.

Switch position

Tester 
connectio
n 

Normal 
condition

OFF

−

Open circuit

Windshield 
intermittent wiper 
interval adjusting 
knob

6 

− 3

Operating the 
adjusting knob 
changes the 
resistance. 

Rear wiper switch

6 

− 4

Continuity exists 
(2 

Ω or less)

Rear washer switch 6 

− 5

Continuity exists 
(2 

Ω or less)

Windshield washer 
switch

6 

− 7

Continuity exists 
(2 

Ω or less)

Windshield 
wiper switch

Hi

6 

− 8

Continuity exists 
(2 

Ω or less)

Lo

6 

− 9

Continuity exists 
(2 

Ω or less)

Int

6 

− 10

Continuity exists 
(2 

Ω or less)

Mist

6 

− 11

Continuity exists 
(2 

Ω or less)

Switch position

Tester 
connectio
n 

Normal 
condition

OFF

−

Open circuit

 Windshield rain 
sensitive wiper 
function adjusting 
knob

6 

− 3

Operating the 
adjusting knob 
changes the 
resistance. 

Rear wiper switch

6 

− 4

Continuity exists 
(2 

Ω or less)

AC702391

1

6

8

11

10

9

7

5

4

3

2

AB

Rear washer switch 6 

− 5

Continuity exists 
(2 

Ω or less)

Windshield washer 
switch

6 

− 7

Continuity exists 
(2 

Ω or less)

Windshield 
wiper switch

Hi

6 

− 8

Continuity exists 
(2 

Ω or less)

Lo

6 

− 9

Continuity exists 
(2 

Ω or less)

Auto 6 

− 10

Continuity exists 
(2 

Ω or less)

Mist

6 

− 11

Continuity exists 
(2 

Ω or less)

Column switch 
body

Terminal 
number

Normal 
condition

Lighting switch 
side connector
Wiper/washer 
switch side 
connector

3 

− 3

4 

− 4

5 

− 5

6 

− 6

7 

− 7

8 

− 8

9 

− 9

10 

− 10

11 

− 11

Continuity 
exists (2 

Ω or 

less)

Switch position

Tester 
connectio
n 

Normal 
condition

AC502901AG

1

6

8

11

10

9

7

5

4

3

2

1

6

8

11

10

9

7

5

4

3

2

Lighting 
switch side

Wiper/washer 
switch side

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-287

RADIO AND CD PLAYER

SPECIAL TOOLS

M1542000602704

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-288

Tool

Number

Name

Use

MB991955

a. MB991824
b. MB991827
c. MB991910
d. MB991911
e. MB991825
f. MB991826

M.U.T.-III sub-
assembly

a. Vehicle 

Communicatio
n Interface 
(V.C.I.)

b. M.U.T.-III USB 

cable

c. M.U.T.-III main 

harness A 
(Vehicles with 
CAN 
communication 
system)

d. M.U.T.-III main 

harness B 
(Vehicles 
without CAN 
communication 
system)

e. M.U.T.-III 

measure 
adapter

f. M.U.T.-III 

trigger harness

CAUTION

For vehicles with CAN 
communication, use M.U.T.-III 
main harness A to send simulated 
vehicle speed. If you connect 
M.U.T.-III main harness B instead, 
the CAN communication does not 
function correctly.
Diagnosis code and service data 
check.

MB991223

a. MB991219
b. MB991220
c. MB991221
d. MB991222

Harness set

a. Check harness
b. LED harness
c. LED harness 

adapter

d. Probe

Continuity check and voltage 
measurement at harness wire or 
connector

a. For checking connector pin 

contact pressure

b. For checking power supply circuit
c. For checking power supply circuit
d. For connecting a locally sourced 

tester

MB991910

MB991826

MB991955

MB991911

MB991824

MB991827

MB991825

a

b

c

d

e

f

DO NOT USE

MB991223

a

d

c

b

DO NOT USE

BA

RADIO AND CD PLAYER

CHASSIS ELECTRICAL

54A-289

TROUBLESHOOTING

AUDIO ERROR CODES

M1544018900238

If the radio and CD player detects any malfunction in 
itself or the inserted CD, the error codes below will 
be shown on the display.

MB992006

Extra fine probe

Continuity check and voltage 
measurement at harness wire or 
connector

Tool

Number

Name

Use

MB992006

Error code

Cause

Cause of trouble and its solution

ERROR

Power supply error

This error code will be shown if there is any problem in the 
power supply system of the radio and CD player. Check the 
connectors and wiring harness of the power supply system, and 
check that the battery voltage is normal. Check that the same 
error does not appear.

ERROR 01

Focus error

These error codes will be shown if there is any problem with the 
CD or there is excessive vibration on the vehicle. If the error 
codes are not displayed when the vehicle is stopped and 
another CD is inserted, there is a problem with the CD. Check if 
there is any of the following problems with the CD.

• Contamination, scratch, or deformation

• Formation of moisture or grease

Repair the CD and insert it again. Then, check that no error 
appears.

ERROR 02

Abnormal disc

ERROR 03

Mechanical error

This error codes will be shown if there is any internal 
mechanical or electrical problem in the radio and CD player. 
Replace the radio and CD player check that no error codes are 
shown.

ERROR HOT Protection against high 

temperature

If the internal temperature is extremely high, this error code will 
be shown. Turn off the radio and CD player and wait until they 
cool down. Wait for a while, and then turn on the unit again. 
Check that the same error does not appear.

ERROR DC

Detection abnormal output 
to the speaker

This error code will be shown if the radio and CD player or the 
audio amplifier has an internal error or is contaminated with the 
foreign material, and there is a problem with output to the 
speaker. If it is contaminated with the foreign material, turn OFF 
the power. Dry the foreign material if it is liquid, and remove it if 
it is solid. Then, check if the error code is displayed. If the error 
code is displayed, replace the radio and CD player or the audio 
amplifier.

i NO SONG

No playable music file is 
found.

No playable music file is stored in the iPod. Store music files to 
the iPod.

i VER 
ERROR

iPod cannot be recognised iPod itself or software is not supported. Use the supported iPod.