Mitsubishi Outlander GS45X. Manual - part 1099

SUNROOF

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BODY

42A-199

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-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-200

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" position.

Q: Is the sunroof switch normal?

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

STEP 4. 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 5.
NO :  Repair or replace the damaged component(s). Refer 

to GROUP 00E, Harness Connector Inspection 

P.00E-2

. Check that the sunroof works normally.

STEP 5. Check the wiring harness between sunroof switch 
connector D-03 (terminal 5) and sunroof motor assembly 
connector D-04 (terminal 5). 

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

cuit.

Q: Is the wiring harness between sunroof switch connector 

D-03 (terminal 5) and sunroof motor assembly 
connector D-04 (terminal No. 5) in good condition?
YES : Go to Step 6.
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 sunroof works normally.

STEP 6. Retest the system.
Check that the sunroof lid glass opens normally.
Q: Is the check result normal?

YES : No action is necessary and testing is complete.
NO :  Replace the sunroof motor assembly. Check that the 

sunroof works normally.

Switch 
position

Terminal No.

Normal value

Open

4 

− 5

Continuity 
exists (2 

Ω or 

less)

OFF

3 

− 4, 4 − 5, 4 − 

6

Open circuit

AC703554AB

Sunroof switch 

SUNROOF

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BODY

42A-201

INSPECTION PROCEDURE 4: The Sunroof Lid Glass does not Tilt-down or Close (Tilt-up and Open 
Normally).

CAUTION

Before replacing the ECU, ensure that the power supply circuit, the ground circuit and the communi-
cation circuit are normal.

.

TECHNICAL DESCRIPTION (COMMENT)

The sunroof switch or the sunroof motor assembly 
may be defective.

.

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

AC703552

CPU

SUNROOF
SWITCH

INPUT CIRCUIT

INPUT CIRCUIT

DRIVE CIRCUIT

SUNROOF MOTOR

HALL SENSOR

SUNROOF
MOTOR
ASSEMBLY

Sunroof Switch Circuit

AC

AC901079AS

Connectors: D-03, D-04

D-03 (B)

D-04 (GR)

SUNROOF

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BODY

42A-202

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-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