Mitsubishi Outlander XL. Manual - part 734

Q:Is the check result normal?

YES:

 No action is necessary and testing is complete.

NO:

 Replace ETACS-ECU. Check that the power window works

normally.

INSPECTION PROCEDURE C-2: Driver's Power Window does not Work by means of
The Power Window Main Switch.

M14203000926USA0000010000

ZC601368

GREEN-WHITE

GREEN

ORANGE

ORANGE

VIOLET

BLA

CK

BLA

CK

POWER WINDOW MAIN SWITCH

FRONT
POWER
WINDOW
MOTOR (LH)

FRONT 
(LH)

CPU

LIN DRIVE 
CIRCUIT

IC

IC

BLA

CK-YELLO

W

0000

 Driver’s Power Window Circuit

DOOR

42Ab-55

POWER WINDOW DIAGNOSIS

ZC600875

Connector: C-126

0021

ZC600881

Connectors: E-16, E-19

E-19

E-16 (GR)

0003

 

CIRCUIT OPERATION
The front power window motor (LH) receives a signal
("UP", "DOWN", "AUTO UP" or "AUTO DOWN") from
the front power window main switch and controls the
driver’s power window.

TECHNICAL DESCRIPTION (COMMENT)
The  power  window  main  switch  or  the  front  power
window motor (LH) may be defective.

TROUBLESHOOTING HINTS

｠

The power window main switch may be defective

｠

The  front  power  window  motor  (LH)  may  be
defective

｠

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

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)

42Ab-56

DOOR

POWER WINDOW DIAGNOSIS

STEP 1. Using scan tool MB991958, read the diagnostic
trouble code.

ZC501967

AC404789

ZC5019680000

MB991824

MB991827

MB991910

Data link

connector

To prevent damage to scan tool MB991958, always turn the
ignition  switch  to  the  "LOCK"  (OFF)  position  before
connecting or disconnecting scan tool MB991958.

(1)

Connect scan tool MB991958. Refer to GROUP 54Ad, "How
to connect scan tool (M.U.T.-III) P.54Af-4."

(2)

Turn the ignition switch to the "ON" position.

(3)

Check whether the ETACS-ECU related DTC is set.

(4)

Turn the ignition switch to the "LOCK" (OFF) position.

Q:Is the DTC set?

YES:

 Diagnose the ETACS-ECU. Refer to P.42Ab-38.

NO:

 Go to Step 2.

STEP 2. Check the power window main switch.
Check  that  the  passenger's  or  rear  power  window  works  by
means of the power window main switch.

Q:Is the check result normal?

YES:

 Go to Step 3.

NO:

 Refer to P.42Ab-39.

STEP 3. Check power window main switch connector E-19,
front power window motor (LH) connector E-16 for loose,
corroded or damaged terminals, or terminals pushed back
in the connector.

Q:Are  power  window  main  switch  connector  E-19,  front

power  window  motor  (LH)  connector  E-16  in  good

condition?

YES:

 Go to Step 4.

NO:

 Repair or replace the damaged component(s). Refer to

GROUP 00E, Harness Connector Inspection P.00E-2. Verify
that the power window works normally.

STEP 4. Check the wiring harness between power window
main switch connector E-19 (terminals 2 and 6) and front
power window motor (LH) connector E-16 (terminals 4 and
1).

Q:Is the wiring harness between power window main switch

connector  E-19  (terminals  2  and  6)  and  front  power

window motor (LH) connector E-16 (terminals 4 and 1) in

good condition?

YES:

 Go to Step 5.

DOOR

42Ab-57

POWER WINDOW DIAGNOSIS

NO:

 The wiring harness may be damaged or the connector

(s) may have loose, corroded or damaged terminals, or
terminals pushed back in the connector. Repair the wiring
harness as necessary. Check that the power works
normally.

STEP 5. Retest the system.
Check that the driver's power window works by means of the
power window main switch.

Q:Is the check result normal?

YES:

 No action is necessary and testing is complete.

NO:

 Replace the front power window motor (LH). Check that

the power works normally.

INSPECTION PROCEDURE C-3: Relevant Power Window(s) does not Work by means
of The Front and Rear Passenger's Power Window Sub Switches.

M14203000927USA0000010000

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

42Ab-58

DOOR

POWER WINDOW DIAGNOSIS