Mitsubishi Outlander GS45X. Manual — part 1074

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42A-99

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

CAUTION

Before replacing the ECU, ensure that the input and output signal circuits are normal.

.

AC702943

POWER WINDOW MAIN SWITCH

FRONT
POWER
WINDOW
MOTOR (LH)

FRONT
(LH)

CPU

LIN DRIVE
CIRCUIT

IC

IC

AC

Driver’s Power Window Circuit

BLA

CK

BLA

CK

BLA

CK

AC702763

Connectors: E-16, E-19

AD

E-16 (GR)

E-19

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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 termi-
nals 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)

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

CAUTION

To prevent damage to scan tool MB991958, always turn the
ignition switch to the "LOCK" (OFF) position before con-
necting or disconnecting scan tool MB991958.
(1) Connect scan tool MB991958. Refer to GROUP 42B, "How

to connect scan tool (M.U.T.-III)

P.42B-13

."

(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.42A-81

.

NO : Go to Step 2.

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link
connector

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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.42A-81

.

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, 6) and front
power window motor (LH) connector E-16 (terminals 4, 1).

• Check the power supply lines for open circuit and short cir-

cuit.

Q: Is the wiring harness between power window main

switch connector E-19 (terminals 2, 6) and front power
window motor (LH) connector E-16 (terminals 4, 1) in
good condition?
YES : Go to Step 5.
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 window works normally.

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

CAUTION

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

AC703134

POWER

WINDOW

MAIN

SWITCH

FRONT

(RH)

LOCK

SWITCH

WHITE-

BLA

CK

FRONT

POWER

WINDOW

SUB SWITCH

(RH)

FRONT

POWER

WINDOW

MOTOR (RH)

ETACS-ECU

POWER
WINDOW
RELAY

AC

Power Window (Passenger) Circuit

BLA

CK

BLACK

BLACK

BLACK