Mitsubishi Evolution X. Manual — part 512
SUNROOF
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BODY
42A-151
SUNROOF TIMER FUNCTION
The sunroof ECU (integrated into the sunroof motor
assembly) receives the ignition switch (IG1) signal
transmitted by ETACS-ECU. If the ignition switch
(IG1) signal turns OFF, the sunroof ECU allows the
sunroof switch to open/close (timer activation) the
sunroof for approximately 30 seconds. During the
timer operation, if the driver’s or passenger’s door
open is detected from the door switch signal trans-
mitted by ETACS-ECU, the sunroof timer function
stops at this time.
AC607037
ZC600258
AB
t
OFF
ON
OFF
(Close)
ON
(Open)
Ignition switch (IG1)
Sunroof operation
(Disabled) OFF
(Enabled) ON
t: 30 Seconds
(Short of timer operation time)
Driver's or passenger's
door switch
SUNROOF
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BODY
42A-152
SUNROOF DIAGNOSIS
TROUBLESHOOTING STRATEGY
M1426001700239
Refer to GROUP 00, How to Use Troubleshooting/Inspection
Service Points, Troubleshooting Contents
DIAGNOSTIC TROUBLE CODE CHART
M1426001900136
CAUTION
On troubleshooting, if the ignition switch is turned ON while disconnecting connector(s), diagnostic
trouble code(s) associated with other system may be set. On completion, check all systems for diag-
nostic trouble code(s). If diagnostic trouble code(s) are set, erase them all.
NOTE: S/R: Abbreviation of sunroof
TROUBLE SYMPTOM CHART
M1426002000426
CAUTION
During diagnosis, a diagnostic trouble code associated with other system may be set when the igni-
tion switch is turned on with connector(s) disconnected. On completion, check all systems for diag-
nostic trouble code(s). If diagnostic trouble code(s) are set, erase them all.
Diagnosis Code No.
Diagnostic item
Reference page
L0630
S/R Power supply
L0632
S/R Switch fail
L0634
S/R Sensor signal
L0637
S/R Position
L0640
S/R Over load
Trouble symptom
Inspection
procedure
number
Reference
page
Sunroof does not work at all.
1
The sunroof lid glass does not tilt-up (tilt-down, open, and close normally).
2
The sunroof lid glass does not open (tilt-up, tilt-down, and close normally).
3
The sunroof lid glass does not tilt-down or close (tilt-up and open normally). 4
Sunroof safety function does not work.
5
Sunroof timer lock function does not work.
6
SUNROOF
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BODY
42A-153
DIAGNOSTIC TROUBLE CODE PROCEDURES
CODE NO. L0630 S/R POWER SUPPLY
CAUTION
Before replacing the ECU, ensure that the input
and output signal circuits are normal.
AC609429
CPU
INTERFACE
CIRCUIT
LIN DRIVE
CIRCUIT
INPUT CIRCUIT
INPUT CIRCUIT
DRIVE CIRCUIT
SUNROOF MOTOR
HALL SENSOR
FUSIBLE
LINK
34
SUNROOF
MOTOR
ASSEMBLY
ETACS-ECU
BLA
CK
WHITE
WHITE
GREEN
VIOLET
AD
Sunroof Motor Assembly Power Supply Circuit
SUNROOF
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BODY
42A-154
.
COMMENTS ON TROUBLE SYMPTOM
When the terminal voltage of the sunroof motor
assembly is 8 V or less, or 18 V or more, and if it con-
tinues for 60 seconds, the sunroof motor assembly
will set the diagnostic trouble code No. L0630.
.
PROBABLE CAUSES
• Malfunction of the sunroof motor assembly
• Damaged wiring harness and connectors
DIAGNOSTIC PROCEDURE
STEP 1. Check sunroof motor assembly connector D-06
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is sunroof switch connector 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
. Check that the sunroof works normally.
STEP 2. Check the wiring harness between sunroof motor
assembly connector D-06 (terminal 6) and fusible link (34).
NOTE: Also check ETACS-ECU connectors C-309 and C-316
for loose, corroded, or damaged terminals, or terminals pushed
back in the connector. If ETACS-ECU connectors C-309 and
C-316 is damaged, repair or replace the damaged compo-
nent(s) as described in GROUP 00E, Harness Connector
Inspection
Q: Is the wiring harness between sunroof motor assembly
connector D-06 (terminal 6) and fusible link (34) 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.
AC708972AD
Connectors: C-309, C-316
ETACS-ECU
C-309 (B)
C-316
AC708954 AE
Connector: D-06
D-06 (GR)
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