Mitsubishi Evolution X. Manual - part 517

 

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Mitsubishi Evolution X. Manual - part 517

 

 

SUNROOF

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BODY

42A-171

.

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

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

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 "How to connect 

scan tool (M.U.T.-III) 

P.42B-10

."

(2) Turn the ignition switch to the "ON" position.
(3) Check whether the sunroof motor assembly related DTC is 

set.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Diagnose the sunroof motor assembly. Refer to 

P.42A-152

.

NO :  Go to Step 2.

AC708954 AG

Connectors: D-05, D-06

D-05 (B)

D-06 (GR)

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

SUNROOF

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42A-172

STEP 2. Check sunroof switch connector D-05 for loose, 
corroded or damaged terminals, or terminals pushed back 
in the connector.
Q: Is sunroof switch connector D-05 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.

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

P.42A-187

.

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

"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 sunroof motor assembly connector D-06 
for loose, corroded or damaged terminals, or terminals 
pushed back in the connector.
Q: Is sunroof motor assembly connector D-06 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-05 (terminal 6) and sunroof motor assembly 
connector D-06 (terminal 10). 
Q: Is the wiring harness between sunroof switch connector 

D-05 (terminal 6) and sunroof motor assembly 
connector D-06 (terminal No. 10) 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.

Switch 
position

Terminal No.

Normal value

Close/tilt-down

− 6

Continuity 
exists (2 

Ω or 

less)

OFF

− 4, 4 − 5, 4 − 6 Open circuit

AC506531AC

Sunroof switch

SUNROOF

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42A-173

STEP 6. Retest the system.
Check that the sunroof lid glass tilts down/ close.
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.

INSPECTION PROCEDURE 5: Sunroof Safety Function does not work Normally.

CAUTION

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

.

CIRCUIT OPERATION

Malfunction of the sunroof motor assembly or incor-
rect learning of the sunroof fully closed position is 
suspected.

.

TROUBLESHOOTING HINTS

• The sunroof motor assembly may be defective

• Incorrect learning of the sunroof fully closed posi-

tion

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

SUNROOF

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42A-174

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 "How to connect 

scan tool (M.U.T.-III) 

P.42B-10

."

(2) Turn the ignition switch to the "ON" position.
(3) Check whether the sunroof motor assembly related DTC is 

set.

(4) Turn the ignition switch to the "LOCK" (OFF) position.
Q: Is the DTC set?

YES : Diagnose the sunroof motor assembly. Refer to 

Diagnostic trouble code chart 

P.42A-152

.

NO :  Go to Step 2.

STEP 2. Check the trouble symptom.
Check the sunroof trouble symptom according to the following 
procedures.
(1) Carry out the learning procedures of the sunroof fully closed 

position (Refer to 

P.42A-183

).

(2) Check the trouble symptom.
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.

AC608435

Data link connector

MB991827

MB991824

MB991910

AB

 

 

 

 

 

 

 

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