Service Manuals, User Guides, Schematic Diagrams or docs for : . Car Manuals Jeep Cherokee XJ 1988-1989.1993-1995 Approved 1995 XJ Jeep Cherokee 95XJ_8S
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J POWER WINDOWS 8S - 1
POWER WINDOWS
CONTENTS
page page
DIAGNOSIS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SERVICE PROCEDURES ................... 7
GENERAL INFORMATION . . . . . . . . . . . . . . . . . . 1
GENERAL INFORMATION
Power door windows are optional equipment on XJ ing mechanism. A positive and negative battery con-
(Cherokee) models. The power windows operate only nection to the two motor terminals will cause the
with the ignition switch in the ON position. This motor to rotate in one direction. Reversing current
group covers diagnosis and service of the electrical through these same two connections will cause the
components peculiar to the power window system. motor to rotate in the opposite direction. In addition,
For service of mechanical components such as the each power window motor is equipped with an inte-
regulator, lift plate or window tracks refer to Group gral automatic re-setting circuit breaker to protect
23 - Body Components. the motor from overloads. The power window motor
Following are general descriptions of the major and regulator assembly cannot be repaired. If faulty,
components in the power window system. Refer to the entire assembly must be replaced.
Group 8W - Wiring Diagrams for complete circuit de-
scriptions and diagrams. CIRCUIT BREAKER
An automatic re-setting circuit breaker in the fuse-
POWER WINDOW SWITCH
block module is used to protect the power window
Both front and rear door windows can be raised or
system circuit. The circuit breaker can protect the
lowered electrically by operating the four two-way
switches on the driver's door panel. A single two-way system from a short circuit, and can also protect the
switch on each passenger's door panel operates only system from an overload condition caused by an ob-
the window on that passenger's door. The switches structed or stuck window glass or regulator. The cir-
cannot be repaired. If faulty, they must be replaced. cuit breaker can not be repaired. If faulty, it must be
replaced.
POWER WINDOW MOTOR
A permanent magnet reversible motor moves the
window regulator through a cable and drum operat-
DIAGNOSIS
It is necessary that the window be free to slide up tight in the tracks. If window is free, proceed with di-
and down for the power window system to function agnosis that follows. If window is not free, refer to
properly. If the window is not free to move up and Group 23 - Body Components for service procedures.
down, the motor will overload and trip the circuit
breaker. To determine if the glass is free, disconnect CIRCUIT BREAKER
regulator plate from the glass and slide window up Locate correct circuit breaker in fuseblock module.
and down by hand. Pull out slightly, but be sure that circuit breaker ter-
An alternate method is to shake the glass in the minals still contact terminals in fuseblock module.
door, with the glass positioned between the up and Turn ignition switch to ON position. Connect ground
down stop positions. Check that the glass can be wire of voltmeter to a good ground. With probe of
moved slightly from side to side, front to rear, and up voltmeter positive lead, check both terminals of cir-
and down. Then check that window is not bound cuit breaker for battery voltage. If only one terminal
8S - 2 POWER WINDOWS J
has battery voltage, circuit breaker is faulty and OFF, LOCK, UP and DOWN switch positions. If OK,
must be replaced. If neither terminal has battery go to Power Window Motor diagnosis. If not OK, re-
voltage, repair circuit from ignition switch as re- place the switch.
quired.
POWER WINDOW MOTOR
POWER WINDOW SWITCH Before you proceed with this diagnosis, confirm
Before you proceed with this diagnosis, confirm proper switch operation. See Power Window Switch
proper circuit breaker operation. See Circuit Breaker diagnosis.
diagnosis. (1) Remove door trim panel (see Power Window
(1) Remove switch from door trim panel. See Motor Remove/Install).
Power Window Switch Remove/Install. Carefully sep- (2) Disconnect motor connector. Apply 12 volts
arate multiple terminal block on wiring harness from
across the motor terminals to check its operation in
switch body.
one direction. Reverse the polarity to check the oper-
(2) Check for continuity between connector cavity
ation in the other direction. Remember, if window is
for switch pin DX and a good ground. See switch con-
in the full up or down position the motor will not op-
tinuity charts for pin identification. There should be
continuity. If OK, go to next step. If not OK, repair erate in that direction by design. If OK, repair wire
ground circuit as required. harness from the motor to the switch as required. If
(3) Turn ignition switch to ON position. Check for not OK, replace the motor.
battery voltage at connector cavity for switch pin BY. (3) If motor operates in both directions, check op-
If OK, go to next step. If not OK, repair wiring to cir- eration through its complete up and down travel. If
cuit breaker as required. not OK, refer to Group 23 - Body Components to
(4) Test switch continuity. See switch continuity check window glass, tracks, and regulator for stick-
charts to determine if continuity is correct in the ing, binding or improper adjustment.
J POWER WINDOWS 8S - 3
DRIVER'S POWER WINDOW SWITCH--4-DOOR
8S - 4 POWER WINDOWS J
DRIVER'S POWER WINDOW SWITCH--2-DOOR (LHD)
J POWER WINDOWS 8S - 5
DRIVER'S POWER WINDOW SWITCH--2-DOOR (RHD)
8S - 6 POWER WINDOWS J
PASSENGER'S POWER WINDOW SWITCH
J POWER WINDOWS 8S - 7
SERVICE PROCEDURES
POWER WINDOW SWITCH REMOVE/INSTALL (5) To install switch, position switch and press in
(1) Remove the interior door latch release assem- retainer clips until they snap into position. Reverse
bly and control panel retaining screws (Fig. 1). remaining removal procedures to complete installa-
tion.
POWER WINDOW MOTOR REMOVE/INSTALL
(1) Remove the interior door latch release assem-
bly and control panel retaining screws (Fig. 1).
(2) Disconnect the control linkage and the wire
harness connector.
(3) Remove the latch release and control panel as-
sembly.
(4) Remove the armrest lower retaining screws.
(5) Swing the armrest downward to a vertical po-
sition. This is necessary to disconnect the armrest
from the upper retainer clip (Fig. 3).
Fig. 1 Power Window/Lock Control Panel Remove/
Install
(2) Disconnect the control linkage and the wire
harness connector.
(3) Remove the latch release and control panel as-
sembly.
(4) The switch is retained to the panel with clips
(Fig. 2). Push in on the retainer part of the clip and
pry the clips.
Fig. 3 Armrest Retainer Clip
(6) Pull the armrest straight out from the trim
panel.
To aid in removal of the trim panel, start at
the bottom of the panel.
(7) Remove the trim panel with a wide flat-bladed
tool (Fig. 4).
(8) Remove the plastic water dam sheet.
(9) Grind the heads off 2 rivets holding reinforce-
ment to door (Fig. 5). Knock rivets out with a ham-
mer and punch.
(10) Adjust window to allow access to Torx head
screw (Fig. 6).
Fig. 2 Power Window Switch Remove (11) Remove 2 screws holding bottom of regulator
to door.
(12) Remove door glass attaching Torx head screw
(Fig. 6).
8S - 8 POWER WINDOWS J
Fig. 4 Trim Panel Remove/Install
Fig. 6 Remove/Install Glass Attaching Screw
(15) Remove remaining window regulator attach-
ing screws (Fig. 5).
(16) Remove window regulator.
(17) To install, place regulator inside door.
(18) Attach regulator to door using screws or the
hardware kit supplied with a new regulator. DO NOT
install the 2 screws that hold the bottom of the reg-
ulator.
(19) Connect wire harness connector to regulator.
(20) Attach door glass with Torx head screw (Fig.
6). Tighten door glass screw to 3.3 N m (30 in. lbs.)
torque.
(21) Install the last 2 screws.
(22) Use 3M 08044 or 08041 adhesive/sealant to
re-install plastic water dam sheet.
Fig. 5 Window Regulator Remove/Install (23) Reverse remaining removal procedures to com-
plete installation.
(13) Pull glass to the full up position and tape
glass to door.
(14) Disconnect wire harness connector from the
window regulator.
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