Mitsubishi Lancer (4A9 engine). Manual — part 191

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-426

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

SPECIAL TOOLS

M1544000600663

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-427

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

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-428

TROUBLESHOOTING

STANDARD FLOW OF DIAGNOSTIC
TROUBLESHOOTING

M1544004800614

Refer to GROUP 00

− Contents of troubleshooting .

TROUBLE SYMPTOM CHART

M1544004901346

MB992006

Extra fine probe

Continuity check and voltage
measurement at harness wire or
connector

Tool

Number

Name

Use

MB992006

Inspection
Procedure No.

Trouble symptom

Reference
page

1

Steering wheel audio remote control switch does not
function

<Vehicles with radio
and CD player>
<Vehicles with
MMCS>

2

Steering wheel audio remote control switch illumination does not come on.

STEERING WHEEL AUDIO REMOTE CONTROL SWITCH

CHASSIS ELECTRICAL

54A-429

SYMPTOM PROCEDURES

Inspection Procedure 1: Steering wheel audio remote control switch does not function. <Vehicles
with radio and CD player>

Steering Wheel Audio Remote Control Switch Circuit

RADIO AND CD PLAYER

CLOCK
SPRING

STEERING
WHEEL
AUDIO
REMOTE
CONTROL
SWITCH

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