Mitsubishi Outlander XL. Manual - part 732

STEP 1. Check the power window fully closed position

(1)

Carry out the learning procedures of the power window fully
closed position. Refer to P.42Ab-90.

(2)

Recheck if the diagnostic trouble code is set.
Erase the diagnostic trouble code.
Turn the ignition switch from the LOCK (OFF) position to the
ON position.
Check if the diagnostic trouble code is set.

Q:Is the check result normal?

YES:

 The procedure is complete.

NO:

 Go to Step 2.

STEP 2. Diagnostic trouble code recheck
Replace  the  front  power  window  motor  (LH).  Recheck  if  the
diagnostic trouble code is set.

(1)

Erase the diagnostic trouble code.

(2)

Operate  the  driver’s  door  window  switch  on  the  power
window main switch.

(3)

Check if the diagnostic trouble code is set.

Q:Is the diagnostic trouble code set?

YES:

 Replace the power window main switch.

NO:

 The procedure is complete. Verify that the power

window works normally.

CODE NO. L0746 P/W (DR) Parameter read fail
CODE NO. L0750 P/W (DR) Position read fail

M14203000937USA0000010000

COMMENTS ON TROUBLE SYMPTOM

｠

If the power window main switch information signals cannot
be read, power window main switch sets the diagnostic trouble
code No. L0746.

｠

If  the  driver's  door  window  glass  position  cannot  be  read,
power window main switch sets the diagnostic trouble code
No. L0750.

PROBABLE CAUSES

｠

Malfunction of the power window main switch

DIAGNOSTIC PROCEDURE

Diagnostic trouble code recheck
Recheck if the diagnostic trouble code is set.

(1)

Erase the diagnostic trouble code.

(2)

Operate  the  driver’s  door  window  switch  on  the  power
window main switch.

(3)

Check if the diagnostic trouble code is set.

Q:Is the diagnostic trouble code set?

DOOR

42Ab-47

POWER WINDOW DIAGNOSIS

YES:

 Replace the power window main switch.

NO:

 The procedure is complete. Verify that the power

window works normally.

SYMPTOM PROCEDURES

INSPECTION PROCEDURE C-1: Power Windows do not Work at All.

M14203000925USA0000010000

Before replacing the ECU, ensure that the power
supply  circuit,  the  ground  circuit  and  the
communication circuit are normal.

42Ab-48

DOOR

POWER WINDOW DIAGNOSIS

ZC601367

ETACS-ECU

POWER
WINDOW
RELAY

FUSIBLE 
LINK

34

FUSIBLE 
LINK

36

ENGINE 
COMPARTMENT

RELAY BOX

POWER WINDOW MAIN SWITCH, FRONT POWER WINDOW 
SUB SWITCH AND REAR POWER WINDOW SUB SWITCH

WHITE

WHITE

WHITE

WHITE

WHITE

0000

Power Window Power Supply Circuit

POWER WINDOW 
MAIN SWITCH

BR

O

WN

BR

O

WN

BLA

CK

BLA

CK

DOOR

42Ab-49

POWER WINDOW DIAGNOSIS

ZC600875

Connector: C-126

0021

ZC600878

Connectors: C-307, C-309, C315

C-309 (B)

0013

C-315

C-307

 

ZC6008810000

Connector: E-19

CIRCUIT OPERATION
The ETACS-ECU turns on the power window relay to
activate the power windows when the ignition switch
(IG1) is turned to the "ON" position.

TROUBLESHOOTING HINTS

｠

The wiring harness or connectors may have loose,
corroded,  or  damaged  terminals,  or  terminals
pushed back in the connector

｠

The power main switch may be defective

｠

The ETACS-ECU may be defective

DIAGNOSTIC PROCEDURE

Required Special Tools:

｠

MB992006: Extra fine probe

｠

MB991223: Harness set

｠

MB991958: Scan Tool (M.U.T.-III Sub Assembly)

｠

MB991824: Vehicles Communication Interface (V.C.I.)

｠

MB991827: M.U.T.-III USB Cable

｠

MB991910:  M.U.T.-III  Main  Harness  A  (Vehicles  with
CAN communication system)

STEP 1. Check the power supply system.
With the ignition switch in the LOCK (OFF) position, check if the
following function operates normally:

｠

Hazard warning light

｠

Central door locking system

Q:Is the check result normal?

YES:

 Go to Step 2.

NO:

 Refer to GROUP 54Ad, Malfunction of ETACS-ECU power

supply circuit P.54Ad-57.

42Ab-50

DOOR

POWER WINDOW DIAGNOSIS