Mitsubishi Montero (2004+). Manual — part 726
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-161
STEP 2. Check the input signal by using "DATA LIST"
menu of the SWS monitor.
(1) Check the input signals from the following switches:
• Ignition switch: ON to OFF
• Driver’s and front passenger’s doors: closed
(2) Operate scan tool MB991958 according to the procedure
below to display "ETACS ECU."
1. Select "SYSTEM SELECT."
2. Select "SWS."
3. Select "SWS MONITOR."
4. Select "DATA LIST."
5. Select "ETACS ECU."
(3) Check that normal conditions are displayed on the items
described in the table below.
Q: Does the scan tool display the items "IG SW (IG1)" and
"FRONT DOOR SW" as normal condition?
Normal conditions are displayed for all the items :
Replace the ETACS-ECU. Verify that the power
window timer should now works normally.
The scan tool does not show the respective normal
condition for item "IG SW (IG1)." : Refer to Inspection
Procedure O-2 "ETACS-ECU does not receive a
signal from the ignition switch (IG1)
The scan tool does not show the respective normal
condition for item "FRONT DOOR SW." : Refer to
Inspection Procedure O-5 "ETACS-ECU does not
receive any signal from the driver’s or front
passenger’s door switch
ITEM NO.
ITEM NAME
NORMAL
CONDITION
ITEM 30
IG SW (IG1)
OFF
ITEM 32
FRONT DOOR
SW
OFF
AC309091
MB991911
MB991827
MB991824
AB
MB991806
MB991862
DATA LINK
CONNECTOR
(16-PIN)
DATA LINK
CONNECTOR
(13-PIN)
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-162
INSPECTION PROCEDURE D-3: Power Window: Only the front door window (LH) does not work
normally by operating power window main switch.
.
CIRCUIT OPERATION
The front power window motor (LH) opens or closes
the door window (LH) when the power window main
switch is moved to "UP" or "DOWN" position.
.
TECHNICAL DESCRIPTION (COMMENT)
The power window main switch or the front power
window motor (LH) may be defective.
.
TROUBLESHOOTING HINTS
• The power window main switch may be defective
• The front power window motor (LH) may be
defective
• The wiring harness or connectors may have
loose, corroded or damaged terminals, or termi-
nals pushed back in the connector
.
DIAGNOSIS
Required Special Tool:
• MB991223: Harness Set
Power Window (front: LH) Circuit
AC000235AB
CONNECTORS: H-04, H-05
H-04
H-05
<DRIVER'S SIDE>
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-163
STEP 1. Check power window main switch connector H-05
for loose, corroded or damaged terminals, or terminals
pushed back in the connector.
Q: Is power window main switch connector H-05 in good
condition?
YES : Go to Step 2.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Verify that the front power window (LH)
function should now work normally.
STEP 2. Check the power window main switch.
(1) Remove the power window main switch. Refer to GROUP
(2) Check continuity while power window main switch is moved
to "UP" and "DOWN" position.
Q: Is the power window main switch in good condition?
YES : Go to Step 3.
NO : Replace the power window main switch. Verify that
the front power window (LH) function should now
work normally.
STEP 3. Check front power window motor (LH) connector
H-04 for loose, corroded or damaged terminals, or
terminals pushed back in the connector.
Q: Is front power window motor (LH) connector H-04 in
good condition?
YES : Go to Step 4.
NO : Repair or replace the damaged component(s). Refer
to GROUP 00E, Harness Connector Inspection
. Verify that the front power window (LH)
function should now work normally.
AC203774
CONNECTOR: H-05
AE
DRIVER'S DOOR
9
2
12
1413
1110
5
7 6
4 3
8
1
HARNESS
SIDE
FRONT (LH)
SWITCH POSITION
TESTER
CONNECTION
SPECIFIED
CONDITION
UP
3
− 8, 5 − 7
Less than 2 ohms
OFF
3
− 7, 3 − 8, 7 −
8
DOWN
3
− 7, 5 − 8
7
6
5
4
3
2
1
14
13
12
11
10
9
8
ACX02412
AC203774AI
CONNECTOR: H-04
DRIVER'S DOOR
HARNESS
SIDE
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-164
STEP 4. Check the front power window motor (LH).
(1) Remove the front power window motor (LH). Refer to
GROUP 42, Door
(2) Follow the table below to check the front power window
motor (LH) for correct operation.
Q: Is the power window motor (LH) in good condition?
YES : Go to Step 5.
NO : Replace the front power window motor (LH). Verify
that the front power window (LH) function should now
work normally.
STEP 5. Check the wiring harness between power window
main switch connector H-05 (terminal 7) and front power
window motor (LH) connector H-04 (terminal 6).
Q: Is the wiring harness between power window main
switch connector H-05 (terminal 7) and front power
window motor (LH) connector H-04 (terminal 6) 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. Verify that
the front power window (LH) function should now
work normally.
STEP 6. Check the wiring harness between power window
main switch connector H-05 (terminal 8) and front power
window motor (LH) connector H-04 (terminal 2).
Q: Is the wiring harness between power window main
switch connector H-05 (terminal 8) and front power
window motor (LH) connector H-04 (terminal 2) in good
condition?
YES : No action is necessary and testing is complete.
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. Verify that
the front power window (LH) function should now
work normally.
BATTERY CONNECTION
SLIDER POSITION
• Connect terminal 1 to the
negative battery terminal
• Connect terminal 2 to the
positive battery terminal
The slider moves up
• Connect terminal 1 to the
positive battery terminal
• Connect terminal 2 to the
negative battery terminal
The slider moves down
AC309019
1 2
SLIDER
AB
AC203774
CONNECTORS: H-04, H-05
AG
DRIVER'S DOOR
H-05
H-05
(HARNESS SIDE)
H-04
H-04
(HARNESS SIDE)
AC203774
CONNECTORS: H-04, H-05
AG
DRIVER'S DOOR
H-05
H-05
(HARNESS SIDE)
H-04
H-04
(HARNESS SIDE)
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