Mitsubishi Evolution X. Manual - part 513

SUNROOF

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BODY

42A-155

STEP 3. Diagnostic trouble code recheck
Recheck if the diagnostic trouble code is set.
(1) Erase the diagnostic trouble code.
(2) Turn the ignition switch from the LOCK (OFF) position to the

ON position.

(3) Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?

YES : Replace the sunroof motor assembly.
NO : The procedure is complete.

CODE NO. L0632 S/R Switch fail

CAUTION

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

AC609430

CPU

SUNROOF

SWITCH

INPUT CIRCUIT

DRIVE CIRCUIT

SUNROOF MOTOR

HALL SENSOR

SUNROOF

MOTOR

ASSEMBLY

BLA

YELLO

GREEN

BLUE

Sunroof Switch Circuit

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42A-156

COMMENTS ON TROUBLE SYMPTOM

If each switch (UP, OPEN, CLOSE/DOWN) of the
sunroof switch is in the ON status for 60 seconds, the
sunroof motor assembly will set the diagnostic trou-
ble code No. L0632.

PROBABLE CAUSES

• Malfunction of the sunroof motor assembly

• Malfunction of the sunroof switch

• Damaged wiring harness and connectors

DIAGNOSTIC PROCEDURE

STEP 1. Check sunroof switch connector D-05 and sunroof
motor assembly D-06 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Are sunroof switch connector D-05 and sunroof motor

assembly D-06 in good condition?
YES : Go to Step 2.
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 2. Check the wiring harness between sunroof switch
connector D-05 (terminals No. 3, 5, 6) and sunroof motor
assembly connector D-06 (terminals No. 4, 5, 10).
Q: Is the wiring harness between sunroof switch connector

D-05 (terminal 3, 5, 6) and sunroof motor assembly
connector D-06 (terminal No. 4, 5, 10) in good
condition?
YES : Go to Step 3.
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 3. Diagnostic trouble code recheck
Replace the sunroof switch. Recheck if the diagnostic trouble
code is set.
(1) Erase the diagnostic trouble code.
(2) Turn the ignition switch from the LOCK (OFF) position to the

ON position.

(3) Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?

YES : Replace the sunroof motor assembly.
NO : The procedure is complete.

AC708954 AG

Connectors: D-05, D-06

D-05 (B)

D-06 (GR)

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42A-157

CODE NO. L0634 S/R Sensor signal

CAUTION

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

COMMENTS ON TROUBLE SYMPTOM

If one of two signals from the sunroof lid glass posi-
tion detection sensor cannot be detected, the sun-
roof motor assembly will set the diagnostic trouble
code No. L0634.

PROBABLE CAUSES

• Malfunction of the sunroof motor assembly

DIAGNOSTIC PROCEDURE

Diagnostic trouble code recheck
Recheck if the diagnostic trouble code is set.
(1) Erase the diagnostic trouble code.
(2) Turn the ignition switch from the LOCK (OFF) position to the

ON position.

(3) Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?

YES : Replace the sunroof motor assembly.
NO : The procedure is complete.

CODE NO. L0637 S/R Position

CAUTION

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

COMMENTS ON TROUBLE SYMPTOM

If the roof lid glass position is out of the specified
range, ETACS-ECU will set the diagnostic trouble
code No. L0637.

PROBABLE CAUSES

• Malfunction of the sunroof motor assembly

DIAGNOSTIC PROCEDURE

STEP 1. Check the sunroof fully closed position
(1) Carry out the learning procedures of the sunroof fully closed

position. Refer to

P.42A-183

(2) Recheck if the diagnostic trouble code is set.

a. Erase the diagnostic trouble code.
b. Turn the ignition switch from the LOCK (OFF) position to

the ON position.

c. Check if the diagnostic trouble code is set.

Q: Is the check result normal?

YES : The procedure is complete.
NO : Go to Step 2.

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42A-158

STEP 2. Diagnostic trouble code recheck
Recheck if the diagnostic trouble code is set.
(1) Erase the diagnostic trouble code.
(2) Turn the ignition switch from the LOCK (OFF) position to the

ON position.

(3) Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?

YES : Replace the sunroof motor assembly.
NO : The procedure is complete.

CODE NO. L0640 S/R Over load

CAUTION

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

COMMENTS ON TROUBLE SYMPTOM

If the over load (foreign material pinched) is detected
consecutively five times during a sunroof operation,
ETACS-ECU will set the diagnostic trouble code No.
L0640.

PROBABLE CAUSES

• Malfunction of the sunroof motor assembly

DIAGNOSTIC PROCEDURE

STEP 1. Check the sunroof fully closed position
(1) Carry out the learning procedures of the sunroof fully closed

position. Refer to

P.42A-183

(2) Recheck if the diagnostic trouble code is set.

a. Erase the diagnostic trouble code.
b. Turn the ignition switch from the LOCK (OFF) position to

the ON position.

c. Check if the diagnostic trouble code is set.

Q: Is the check result normal?

YES : The procedure is complete.
NO : Go to Step 2.

STEP 2. Diagnostic trouble code recheck
Recheck if the diagnostic trouble code is set.
(1) Erase the diagnostic trouble code.
(2) Turn the ignition switch from the LOCK (OFF) position to the

ON position.

(3) Check if the diagnostic trouble code is set.
Q: Is the diagnostic trouble code set?

YES : Replace the sunroof motor assembly.
NO : The procedure is complete.

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