Mitsubishi Evolution X. Manual - part 494

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42A-79

AC609759

REAR 
(LH)

REAR 
(RH)

LOCK
SWITCH

POWER WINDOW MAIN SWITCH

JOINT
CONNECTOR 
(5)

BLA

CK

BLA

CK

BLA

CK

BLA

CK

BLA

CK

ETACS-ECU

POWER
WINDOW
RELAY

BLA

CK

RED

RED

BR

O

W

N

BR

O

W

N

BR

O

W

N

BR

O

W

N

BR

O

W

N

YELLO

W

YELLO

W

YELLO

W

YELLO

W

GRA

Y

YELLO

W

GRA

Y

GRA

Y

BLUE-WHITE

BLUE

BLUE-WHITE

BLUE

BLUE-WHITE

WHITE

WHITE

WHITE

WHITE

WHITE

REAR
POWER
WINDOW
SUB SWITCH 
(LH)

REAR
POWER
WINDOW
MOTOR (LH)

REAR
POWER
WINDOW
SUB SWITCH 
(RH)

REAR
POWER
WINDOW
MOTOR (RH)

AC

Power window (Rear Door) Circuit

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42A-80

.

CIRCUIT OPERATION

power window motors raise and lower the door win-
dows when the front passenger's or rear passenger's 
sub switch is moved to "UP" or "DOWN" position.

.

AC708951AV

C-116

C-23

Connectors: C-23, C-116

AC708950AV

C-42

C-128

Connectors: C-42, C-128

AC708972AO

C-315

C-311

Connectors: C-311, C-315

ETACS-ECU

AC708954 AO

Connector: D-01

AC708955AW

D-24

D-27 (B)

Connectors: D-24, D-27

AC608167AM

Connector: E-15

AC608168 AG

Connectors: E-09, E-10

E-10 (GR)

E-09

AC608170 AH

Connectors: E-20, E-21

E-21

E-20 (GR)

AC608169AG

E-24

E-25 (GR)

Connectors: E-24, E-25

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TECHNICAL DESCRIPTION (COMMENT)

A power window sub switch or power window motor 
may be defective. Or, the power window lock switch 
(incorporated in the power window main switch in the 
driver’s door) may remain pressed in the "LOCK" 
position.

.

TROUBLESHOOTING HINTS

• The power window main switch may be defective

• The front power window sub switch may be 

defective

• The rear power window sub switches may be 

defective

• The front power window motor (RH) may be 

defective

• The rear power window motors may be defective

• The wiring harness or connectors may have 

loose, corroded, or damaged terminals, or termi-
nals pushed back in the connector

DIAGNOSTIC PROCEDURE

STEP 1. Check the power window lock switch.
Q: Is the power window lock switch in the "UNLOCK" 

position?
YES : Go to Step 2.
NO :  Operate the power window lock switch to the 

"UNLOCK" position. When the power window sub 
switch is operated, the power windows should raise 
and lower normally.

STEP 2. Check power window main switch connector E-15 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is power window main switch connector E-15 in good 

condition?
YES : Go to Step 3.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. When the power window sub switch is 

operated, the power windows should raise and lower 
normally.

STEP 3. Determine a trouble spot.
Q: Which power window does not work?

Front passenger's door : Go to Step 4.
Rear left door : Go to Step 13.
Rear right door : Go to Step 22.

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STEP 4. Check front power window sub switch connector 
E-09 and front power window motor (RH) connector E-10 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Are front power window sub switch connector E-09 and 

front power window motor (RH) connector E-10 in good 
condition?
YES : Go to Step 5.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. When the front power window sub switch 

(RH) is operated, the front power window (RH) should 
raise and lower normally.

STEP 5. Check the front power window sub switch for 
continuity.
(1) Remove the front power window sub switch. Refer to Door 

Glass and Regulator 

P.42A-124

.

(2) Check continuity when the front power window sub switch is 

operated to "UP" or "DOWN" position.

Q: Is the front power window sub switch normal?

YES : Go to Step 6.
NO :  Replace the front power window sub switch. When 

the front power window sub switch is operated, the 
front power window should raise and lower normally.

Switch 
position

Tester 
connection

Specified 
condition

UP

4 

− 5, 6 − 7

Continuity 
exists (2 

Ω or 

less)

OFF

4 

− 5, 7 − 8

Continuity 
exists (2 

Ω or 

less)

DOWN

4 

− 6, 7 − 8

Continuity 
exists (2 

Ω or 

less)

AC310097

8

3

4 5

1

2

6 7

AB