Mitsubishi Montero Sport (2004+). Manual — part 479
SUNROOF ASSEMBLY
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BODY
42-171
STEP 2. Measure the power supply line voltage at
sunroof-ECU connector E-07.
(1) Remove the headlining. (Refer to GROUP 52A, Headlining
.)
(2) Disconnect sunroof-ECU connector E-07 and measure at
the harness side.
(3) Turn the ignition key "ON".
(4) Measure the voltage between terminal 8 and ground.
• The measured value should be approximately 12 volts
(battery positive voltage).
Q: Is battery positive voltage (approximately 12 volts)
present?
YES : Go to Step 5.
NO <Vehicles without keyless entry system> : Go to
Step 3.
NO <vehicles with keyless entry system> : Go to Step 4.
STEP 3. Check the harness wires between ignition switch
(IG1) and sunroof-ECU connector E-07 (terminal No.8).
AC004958AH
CONNECTOR: E-07
E-07
COMPONENT SIDE
AC309310AB
E-07 HARNESS CONNECTOR:
COMPONENT SIDE
AC004958AH
CONNECTOR: E-07
E-07
COMPONENT SIDE
SUNROOF ASSEMBLY
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BODY
42-172
NOTE: After inspecting intermediate connector C-01, junction
block D-08 and D-14 inspect the wire. If intermediate connector
C-01, junction block D-08 or D-14 is damaged, repair or replace
it. Refer to GROUP 00E
, Harness Connector Inspec-
tion. Then go to Step 4.
Q: Is the harness wire damaged?
YES : Repair or replace the harness wire, then go to Step 4.
NO : Go to Step 5.
AC309309AC
C-01
CONNECTOR: C-01
AC201994
M
3
1
4
2
1
2
3
4
5
7 6
16151413121110 9 8
CONNECTORS: D-08, D-14
JUNCTION BLOCK (REAR)
D-08
D-14 (B)
D-14 COMPONENT SIDE
D-08 COMPONENT SIDE
AB
SUNROOF ASSEMBLY
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BODY
42-173
STEP 4. Check the harness wires between power window
relay connector C-75X (terminal No.1) and sunroof-ECU
connector E-07 (terminal No.8).
Q: Is the harness wire damaged?
YES : Repair or replace the harness wire, then go to Step 5.
NO : Go to Step 6.
STEP 5. Check the harness wire between sunroof-ECU
connector E-07 (terminals No.2 and No.6) and ground.
NOTE: After inspecting intermediate connector C-01, inspect
the wire. If intermediate connector C-01 are damaged, repair or
replace them. Refer to GROUP 00E
, Harness Con-
nector Inspection. Then go to Step 6.
Q: Is the harness wire between sunroof-ECU connector
E-07 (terminal No.2) and ground damaged?
YES : Repair or replace the harness wire, then go to Step 6.
NO : Replace the sunroof-ECU. Then go to Step 6.
AC202074
4
2 1
3
CONNECTOR: C-75X
AB
C-75X
COMPONENT
SIDE
AC004958AH
CONNECTOR: E-07
E-07
COMPONENT SIDE
AC004958AH
CONNECTOR: E-07
E-07
COMPONENT SIDE
AC309309AC
C-01
CONNECTOR: C-01
SUNROOF ASSEMBLY
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STEP 6. Retest the system
Q: Does the sunroof open and close normally?
YES : The procedure is complete.
NO : Return to Step 1.
INSPECTION PROCEDURE 2: The Sunroof does not Operate when the Sunroof Switch is Operated.
.
CIRCUIT OPERATION
The sunroof-ECU monitors the sunroof switch status
(slide open, slide closed, tilt down, tilt up) and oper-
ates the sunroof motor.
.
TECHNICAL DESCRIPTION (COMMENT)
The cause may be a malfunction of the sunroof
switch power supply circuit system or of the ground
circuit system.
.
TROUBLESHOOTING HINTS
• Malfunction of the sunroof-ECU
• Malfunction of the sunroof switch
• Damaged harness wires or connectors
SUNROOF
SWITCH
SUNROOF-
ECU
DETECTION
CIRCUIT
Sunroof Switch Circuit
AC309309AB
C-01
CONNECTOR: C-01
AC004958AC
CONNECTORS: E-03, E-07
E-07
E-03
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