Mitsubishi Montero (2004+). Manual — part 722
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-145
Lowers the passenger’s power window
When the power window sub switch is pushed down, the sys-
tem energizes its respective power window motor, and then
passenger’s window glass lowers.
Power window timer function
When the ignition switch is turned to the "ON" position, the
power window relay is turned ON. After the ignition switch is
turned OFF, the system continues to turn ON the power window
relay for about 30 seconds and to enable the opening and clos-
ing of the door window by the power window switch. When the
driver's or front passenger’s door is opened while the timer is in
operation, the power window relay will be turned OFF.
AC106705
LOWER SIDE
POWER
WINDOW
MOTOR
PASSENGER'S
POWER
WINDOW
SUB SWITCH
LOWER SIDE
ON
OFF
ON
OFF
AM
AC200337 AC
ON
OFF
ON
OFF
ON
(Open)
OFF
(Closed)
IGNITION SWITCH (IG1)
POWER WINDOW
RELAY
DRIVER'S OR FRONT
PASSENGER'S
SEAT DOOR
SWITCH
t
t: 30 seconds
t
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-146
General circuit diagram for the power windows
IGNITION
SWITCH (IG1)
DATA LINK
CONNECTOR
FRONT
DOOR
SWITCH
(RH)
FRONT
DOOR
SWITCH
(LH)
ETACS-
ECU
POWER
WINDOW
RELAY
POWER
WINDOW
SUB
SWITCH
(FRONT: RH)
POWER WINDOW
MOTOR
(FRONT: RH)
POWER WINDOW
MOTOR
(FRONT: LH)
POWER WINDOW
MOTOR
(REAR: LH)
POWER WINDOW
MOTOR
(REAR: RH)
POWER
WINDOW
SUB
SWITCH
(REAR: LH)
POWER
WINDOW
SUB
SWITCH
(REAR: RH)
POWER WINDOW MAIN SWITCH
FRONT (LH)
FRONT (RH)
REAR (LH)
REAR (RH)
CIRCUIT
BREAKER
CIRCUIT
BREAKER
CIRCUIT
BREAKER
CIRCUIT
BREAKER
JUNCTION BLOCK
FUSIBLE
LINK
2
FUSIBLE
LINK
4
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-147
INSPECTION PROCEDURE D-1: Power Window: Power windows do not work at all.
NOTE: This troubleshooting procedure requires the
use of scan tool MB991958 and SWS monitor kit
MB991862. For details on how to use the SWS mon-
itor, refer to "How to use SWS monitor
Power Window Relay Circuit
SYMPTOM PROCEDURES
TSB Revision
SIMPLIFIED WIRING SYSTEM (SWS)
54B-148
.
CIRCUIT OPERATION
The ETACS-ECU turns on the power window relay to
activate the power windows when the ignition switch
(IG1) is in the "ON" position. The power window relay
is located in the under-dash junction block, to the left
of the steering column. It plugs into connector D-219.
.
TROUBLESHOOTING HINTS
• The power window relay may be defective
• The ETACS-ECU 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 Tools:
• MB991223: Harness Set
• 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
• MB991813: SWS Monitor Kit
• MB991806: SWS Monitor Cartridge
• MB991812: SWS Monitor Harness (For Column-ECU)
• MB991822: Probe Harness
ACX02274
FUSIBLE LINK (4)
AD
BATTERY
AC000758
CONNECTORS: D-25, D-28
AK
D-25
D-28
ACX02285
CONNECTORS: D-208, D-219, D-221
AG
D-208
D-219
JUNCTION BLOCK (FRONT VIEW)
D-221
POWER WINDOW
RELAY
AC203774
CONNECTOR: H-05
AD
DRIVER'S DOOR
H-05
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