Mitsubishi Lancer Evolution IX. Manual — part 216

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-123

INSPECTION PROCEDURE D-5: The window glass lowers automatically while it is rising.

COMMENTS ON TROUBLE SYMPTOM

If the sliding resistance is too great when the window
is being raised or the window glass encounters an
object, the window glass will lower by approximately
150 mm.

POSSIBLE CAUSES

• Improper adjusted door window glass

• Incorrectly installed or warped glass slider

• Malfunction of the power window regulator motor

• Malfunction of the window regulator

DIAGNOSIS PROCEDURE

STEP 1. Check the power window anti-trap
function.
Check that the power window anti-trap function
works. Refer to GROUP 42

− Door − On-vehicle

Service

P.42-24

.

Q: Is the check result normal?

YES :

Go to Step 2.

NO :

Refer to Inspection Procedure D-6 "Power
window anti-trap function does not work
normally

P.54C-124

."

STEP 2. Check the power window operating
current.
Check that the power window operating current is
normal (Refer to GROUP 42

− Door − On-vehicle

service

P.42-24

).

Q: Is the check result normal?

YES :

Adjust the door window glass (Refer to

GROUP 42

− Door − On-vehicle service

P.42-23

), and then go to Step 3.

NO :

Replace the defective power window
regulator motor assembly which operating
current are abnormal.

STEP 3. Check that the door window glasses are
installed correctly.
Check that the door window glasses are installed
correctly. Refer to GROUP 42

− Door − On-vehicle

Service

P.42-23

.

Q: Is the check result normal?

YES :

Go to Step 4.

NO :

Adjust the door window glass (Refer to
GROUP 42

− Door − On-vehicle service

P.42-23

).

STEP 4. Retest the system.
Check that the power window does not lower auto-
matically while it is being raised.

Q: Is the check result normal?

YES :

The trouble can be an intermittent

malfunction (Refer to GROUP 00

− How to

Cope with Intermittent Malfunction

P.00-5

).

NO :

Replace the power window regulator motor
assembly of the defective window.

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-124

INSPECTION PROCEDURE D-6: Power window anti-trap function does not work normally.

POWER WINDOW
SUB SWITCH
(FRONT)

POWER WINDOW
MAIN SWITCH

CPU

CPU

POWER
WINDOW MOTOR
(FRONT: LH)

POWER
WINDOW MOTOR
(FRONT: RH)

HALL IC

HALL IC

HALL IC

HALL IC

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

(FRONT: LH)

Power Window (front) Circuit <LHD>

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-125

POWER WINDOW
SUB SWITCH

POWER
WINDOW MOTOR

POWER
WINDOW MAIN
SWITCH

(FRONT)

(FRONT: RH)

POWER
WINDOW MOTOR
(FRONT: LH)

HALL IC

HALL IC

HALL IC

HALL IC

CPU

CPU

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

(FRONT: RH)

Power Window (front) Circuit <RHD>

SYMPTOM PROCEDURES

SMART WIRING SYSTEM (SWS) USING SWS MONITOR

54C-126

COMMENTS ON TROUBLE SYMPTOM

The revolution detection sensor, which is incorpo-
rated in the power window regulator motor, may be
defective.

POSSIBLE CAUSES

• Malfunction of the power window regulator motor

DIAGNOSIS PROCEDURE

Step 1. Check the power window operating
current.
Check that the power window operating current is
normal (Refer to GROUP 42

− Door − On-vehicle

Service

P.42-24

).

Q: Is the check result normal?

YES :

Adjust the door window glass (Refer to

GROUP 42

− Door − On-vehicle service

P.42-23

), and then go to Step 2.

NO :

Replace the defective power window
regulator motor assembly which operating
current are abnormal.

Step 2. Confirm the power window learning
function.
Check that the power window switch has learned the
fully closed position of the windows (Refer to
GROUP 42

− Door

P.42-29

).

Q: Is the check result normal?

YES :

Go to Step 3.

NO :

Make the power window switch learn the
fully closed position of the windows (Refer
to GROUP 42

− Door

P.42-29

).

Step 3. Determine a trouble spot.

Q: Which door does the power window anti-trap

function fail on?
Driver's door <LH drive vehicles> :

Go to Step 4.

Driver's door <RH drive vehicles> :

Go to Step 7.

Front passenger's door <LH drive vehicles> :

Go

to Step 10.

Front passenger's door <RH drive vehicles> :

Go

to Step 16.

Rear right door :

Go to Step 22.

Rear left door :

Go to Step 28.

POWER
WINDOW SUB
SWITCH (REAR: LH)

CPU

CPU

POWER
WINDOW MOTOR
(REAR: LH)

POWER
WINDOW MOTOR
(REAR: RH)

HALL IC

HALL IC

HALL IC

HALL IC

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

POWER
WINDOW SUB
SWITCH (REAR: RH)

Power Window (rear) Circuit