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)
(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
.
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
. Check that the sunroof works normally.
STEP 3. Sunroof switch check
(1) Remove the sunroof switch. Refer to
(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
. 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
4
− 6
Continuity
exists (2
Ω or
less)
OFF
3
− 4, 4 − 5, 4 − 6 Open circuit
AC506531AC
Sunroof switch
SUNROOF
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BODY
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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BODY
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)
(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
.
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
(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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