Mitsubishi Montero Sport (2004+). Manual — part 481
SUNROOF ASSEMBLY
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DIAGNOSIS
STEP 1. Check sunroof-ECU connector E-07 and sunroof
motor connector E-09 for loose, corroded or damaged
terminals, or terminals pushed back in the connector.
Q: Are sunroof connector E-07 and sunroof switch
connector E-09 damaged?
YES : Repair or replace the damaged components. Refer to
GROUP 00E
, Harness Connector
Inspection. Then go to Step 5.
NO : Go to Step 2.
STEP 2. Measure the power supply/ground line at sunroof
motor connector E-09.
(1) Remove the headlining. (Refer to GROUP 52A, Headlining
.)
(2) Disconnect sunroof motor connector E-09 and measure at
the harness side.
(3) Turn the ignition key "ON".
(4) Measure the voltage between terminal 1 and ground while
the sunroof switch is depressing to the slide open/close
position. And measure the voltage between terminal 2 and
ground while the sunroof switch is depressing to the slide
open/close position.
• The measured value should be approximately 12 volts
(battery positive voltage).
Q: Does the measured voltage correspond with this range?
YES : Go to Step 4.
NO : Go to Step 3.
AC309311
CONNECTORS: E-07, E-09
E-07
E-09
E-07 COMPONENT SIDE
E-09 COMPONENT SIDE
AC
AC004958AJ
CONNECTOR: E-09
E-09
COMPONENT SIDE
2 1
AC004960 AC
E-09
HARNESS CONNECTOR:
COMPONENT SIDE
SUNROOF ASSEMBLY
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STEP 3. Check the harness wires between sunroof-ECU
connector E-07 (terminal No.9 and 10) and sunroof motor
connector E-09 (terminal No.1 and 2).
Q: Are there any damaged wires between sunroof-ECU
connector E-07 (terminal No.9 and 10) and sunroof
motor connector E-09 (terminal No.1 and 2)?
YES : Repair or replace the harness wire, then go to Step 5.
NO : Replace the sunroof-ECU. Then go to Step 4.
STEP 4. Check the sunroof motor.
(1) Remove the sunroof motor. (Refer to
(2) Follow the table below to check for the direction of rotation
of the drive gear when the battery is connected to the
connector.
Q: Is the sunroof motor damaged?
YES : Replace sunroof motor, then go to Step 5.
NO : Go to Step 5.
STEP 5. Retest the system.
Q: Does the sunroof open and close normally?
YES : The procedure is complete.
NO : Return to Step 1.
AC309311
CONNECTORS: E-07, E-09
E-07
E-09
E-07 COMPONENT SIDE
E-09 COMPONENT SIDE
AC
BATTERY CONNECTION
DRIVE GEAR ROTATION
DIRECTION
Connect terminal 1 to the
positive battery terminal
Connect terminal 2 to the
negative battery terminal
The drive gear rotates
counterclockwise
Connect terminal 2 to the
positive battery terminal
Connect terminal 1 to the
negative battery terminal
The drive gear rotates
clockwise
2
1
AC003809
LEFT
ROTATION
DRIVE GEAR
RIGHT
ROTATION
AB
SUNROOF ASSEMBLY
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INSPECTION PROCEDURE 4: Sunroof Timer Function does not Work Normally <Vehicles with
keyless entry system>.
Front Door Switch Circuit
SUNROOF ASSEMBLY
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.
TECHNICAL DESCRIPTION (COMMENT)
The ETACS-ECU operates the sunroof timer func-
tion, based on input signals from the following
switches:
• Ignition switch (IG1)
• Driver's or front passenger's door switch
If the sunroof timer function do not work normally, the
input signal circuit or the ETACS-ECU may be defec-
tive.
.
TROUBLESHOOTING HINTS
• Malfunction of the front door switch
• Malfunction of the ignition switch
• Malfunction of the ETACS-ECU
• Damaged harness wires or connectors
DIAGNOSIS
Required Special Tools:
• MB991223: Harness Set
• MB991529: Diagnostic Trouble Code Check Harness
• MB991958: Scan Tool (MUT-III Sub Assembly)
• MB991824: Vehicle Communication Interface (V.C.I.)
• MB991827: MUT-III USB Cable
• MB991911: MUT-III Main Harness B
STEP 1. Choose method of the ETACS-ECU input signal
check.
Q: Is the ETACS-ECU input signal check performed by
scan tool MB991958 or a voltmeter?
By scan tool MB991958 : Go to Step 2.
By a voltmeter : Go to Step 3.
AC004311
JUNCTION BLOCK(REAR)
CONNECTORS: D-08, D-11, D-14, D-26
BF
D-14 (B)
D-11
D-26 (B)
D-08
AC004329AH
E-42
E-46
E-33
CONNECTORS: E-33, E-42, E-46
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