Mitsubishi Outlander GS45X. Manual - part 1096

 

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Mitsubishi Outlander GS45X. Manual - part 1096

 

 

SUNROOF

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BODY

42A-187

SYMPTOM PROCEDURES

INSPECTION PROCEDURE 1: Sunroof does not Work at All.

CAUTION

Before replacing the ECU, ensure that the power 

supply circuit, the ground circuit and the com-

munication circuit are normal.

AC703553

CPU

SUNROOF
SWITCH

INPUT CIRCUIT

INPUT CIRCUIT

DRIVE CIRCUIT

SUNROOF MOTOR

HALL SENSOR

SUNROOF
MOTOR
ASSEMBLY

INTERFACE
CIRCUIT

LIN DRIVE
CIRCUIT

FUSIBLE
LINK

34

ETACS-
ECU

IGNITION
SWITCH (IG1)

IG1
RELAY

AC

Sunroof Motor Assembly Power Supply Circuit

SUNROOF

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BODY

42A-188

.

CIRCUIT OPERATION

• The sunroof motor assembly is energized 

through fusible link (34) by the battery.

• When the ignition switch (IG1) signal is on, the 

sunroof motor assembly is ready to operate.

.

TROUBLESHOOTING HINTS

• The sunroof switch may be defective

• The sunroof motor assembly 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)

AC701918AG

Connector: C-36

ACA01378

AQ

C-309 (B)

C-317

Connectors: C-309, C-316, C-317

C-316

ETACS-ECU

AC901079AS

Connectors: D-03, D-04

D-03 (B)

D-04 (GR)

SUNROOF

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42A-189

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-180

.

NO :  Go to Step 2.

STEP 2. Check sunroof switch connector D-03 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Q: Is sunroof switch connector D-03 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

. Check that the sunroof works normally.

ZC501967

AC404789

AC701411AB

MB991824

MB991827

MB991910

Data link 
connector

SUNROOF

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BODY

42A-190

STEP 3. Sunroof switch check
(1) Remove the sunroof switch. Refer to 

P.42A-217

.

(2) Check continuity when the sunroof switch is operated to 

"OPEN", "TILT-UP" or "CLOSE/TILT-DOWN" position.

Q: Is the sunroof switch normal?

YES : Go to Step 4.
NO :  Replace the sunroof switch. Check that the sunroof 

works normally.

STEP 4. Check the ground circuit to the sunroof motor 
assembly. Measure the resistance at sunroof switch 
connector D-03.
(1) Disconnect sunroof switch connector D-03 and measure the 

resistance available at the wiring harness side of the 
connector.

(2) Measure the resistance value between terminal 4 and 

ground.

• The resistance should be 2 ohms or less.

Q: Is the measured resistance 2 ohms or less?

YES : Go to Step 7.
NO :  Go to Step 5.

STEP 5. Check sunroof motor assembly connector D-04 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is sunroof motor assembly connector D-04 in good 

condition?
YES : 
Go to Step 6.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the sunroof works normally.

Switch 
position

Terminal No.

Normal value

Tilt-up

− 4

Continuity 
exists (2 

Ω or 

less)

OFF

− 4, 4 − 5,  

− 6

Open circuit

Open

− 5

Continuity 
exists (2 

Ω or 

less)

Close/tilt-down

− 6

Continuity 
exists (2 

Ω or 

less)

AC703554AB

Sunroof switch 

AC702473

6

4

5

3 2 1

Connector D-03

AL

(harness side)

 

 

 

 

 

 

 

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