Mitsubishi Lancer (4A9 engine). Manual - part 211

 

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Mitsubishi Lancer (4A9 engine). Manual - part 211

 

 

DEFOGGER

CHASSIS ELECTRICAL

54A-506

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 

Communication 
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, service data and 
actuator test check.

MB991223

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

Wiring harness set

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

adapter

d. Probe

Continuity check and voltage 
measurement at wiring harness 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

DEFOGGER

CHASSIS ELECTRICAL

54A-507

TROUBLESHOOTING

STANDARD FLOW OF DIAGNOSTIC 
TROUBLESHOOTING

M1540500700038

Refer to GROUP 00 

− Contents of Troubleshooting .

TROUBLE SYMPTOM CHART

M1540500800035

MB992006

Extra fine probe

Continuity check and voltage 
measurement at wiring harness or 
connector

Tool

Number

Name

Use

MB992006

Trouble symptom

Reference page

The rear window defogger does not work.

DEFOGGER

CHASSIS ELECTRICAL

54A-508

SYMPTOM PROCEDURES

The rear window defogger does not work.

DEFOGGER

CHASSIS ELECTRICAL

54A-509

Rear Window Defogger Circuit

REAR WINDOW 
DEFOGGER RELAY

REAR WINDOW 
DEFOGGER

ETACS-ECU

REAR 
WINDOW 
DEFOGGER 
SWITCH

INTERFACE CIRCUIT

POWER SOURCE

CPU

HEATER 
CONTROL 
PANEL

OR 
A/C 
CONTROL 
PANEL

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

RELAY BOX

PASSENGER 
COMPARTMENT

FUSIBLE 
LINK

34

44

FUSIBLE 
LINK

37

42

IGNITION 
SWITCH (IG1)

IG1 
RELAY

NOTE

:PETROL
:DIESEL
:LHD
:RHD
:VEHICLES WITHOUT A/C
:VEHICLES WITH A/C

 

 

 

 

 

 

 

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