center console JEEP GRAND CHEROKEE 2002 WJ / 2.G Service Manual

SUNROOF
TABLE OF CONTENTS
page page
SUNROOF
DESCRIPTION.........................96
DIAGNOSIS AND TESTING - SUNROOF......96
DRAIN TUBE
REMOVAL............................100
INSTALLATION........................100
CONTROL MODULE
REMOVAL............................101
INSTALLATION........................101
DRIVE MOTOR
REMOVAL............................101
INSTALLATION........................101
WIND DEFLECTOR
REMOVAL............................102INSTALLATION........................102
GLASS PANEL
REMOVAL............................102
INSTALLATION........................103
ADJUSTMENTS
ADJUSTMENTS - FIT.................103
ADJUSTMENT - TIMING...............103
SUNSHADE
REMOVAL............................103
INSTALLATION........................103
HOUSING ASSEMBLY
REMOVAL............................104
INSTALLATION........................104
SUNROOF
DESCRIPTION
WARNING: Keep fingers and other body parts out
of sunroof opening at all times.
The sunroof features a power sliding glass panel
and a sunshade which can be manually positioned
anywhere along its travel, rearward of glass panel
front edge.
The sunroof is electrically operated from a switch
located on the mini overhead console. To operate the
sunroof the ignition switch must be in the On/Run
position. The sunroof has both manual and Express
Open modes of operation when opening. To open the
sunroof in the Express Open mode, the switch is
pressed rearward for less than1 second.This causes
the sunroof glass to automatically retract and stop at
a position slightly forward of full open that reduces
low speed wind buffeting. The sunroof can also be
opened manually by pressing and holding the switch
rearward. Once the switch is held reward for more
than1 second,the glass will retract in the manual
mode. Releasing the switch at any time during travel
will cause the sunroof to stop at the current position.
To close the sunroof from an open position, the
switch must be pushed forward and held until the
sunroof glass comes to a complete stop. Releasing the
switch at any time in this mode will cause the sun-
roof to stop at the current position.
To vent the sunroof from the closed position, the
switch is pushed forward and held. Releasing theswitch at any time during travel will cause the sun-
roof to stop at the current vent position. To reach the
fully vented position, continue to hold the switch for-
ward until vent motion stops. To close the sunroof
from the vent position, push and hold the switch
rearward until the glass comes to a complete stop.
DIAGNOSIS AND TESTING - SUNROOF
CAUTION: The sunroof motor is only to be powered
through the vehicle battery and vehicle wire har-
ness. Applying power to the sunroof motor leads
will cause failure of the sunroof control unit.
Before beginning sunroof diagnostics verify that all
other power accessories are in proper operating con-
dition. Refer to Sunroof Diagnostic Chart for possible
causes. If not, a common electrical problem may
exist. Refer to Group 8W, Wiring Diagrams, of this
publication for circuit, splice and component descrip-
tions. Check the condition of the circuit protection
(20 amp high current fuse (battery feed) located in
the Power Distribution Center (PDC). Check the
cover of the PDC for location of the fuse. Check for
correct operation of the sunroof delay relay. Inspect
all wiring connector pins for proper engagement and
continuity. Check for battery voltage at battery and
ignition pins of the power sunroof express module
wiring connector. Refer to Group 8W, Wiring Dia-
grams, for circuit information. The controller will not
operate at less than 10 volts. Check the ground at
the sunroof express module.
Before beginning diagnosis for wind noise or water
leaks, verify that the problem was not caused by
23 - 96 SUNROOFWJ

CONTROL MODULE
REMOVAL
(1) Move the glass panel to the fully closed posi-
tion.
(2) Remove the A-pillar trim. (Refer to 23 - BODY/
INTERIOR/A-PILLAR TRIM - REMOVAL)
(3) Remove the sun visors. (Refer to 23 - BODY/
INTERIOR/SUN VISOR - REMOVAL)
(4) Remove the overhead console. (Refer to 8 -
ELECTRICAL/OVERHEAD CONSOLE - REMOVAL)
(5) Lower headliner as necessary to gain access to
the sunroof express module.
(6) Disconnect the express module wire harness
connectors.
(7) Remove express module screw.
(8) Remove express module from the keyway by
sliding module towards the center of the vehicle.
INSTALLATION
(1) Insert sunroof express module in the keyway
located in the sunroof module and slide the module
outward to lock it into position.
(2) Install the sunroof express module screw.
(3) Connect the wire connectors to the sunroof
express module.
(4) Install the headliner into position.
(5) Install the overhead console. (Refer to 8 -
ELECTRICAL/OVERHEAD CONSOLE - INSTALLA-
TION)
(6) Install the sun visors. (Refer to 23 - BODY/IN-
TERIOR/SUN VISOR - INSTALLATION)
(7) Install the A-pillar trim. (Refer to 23 - BODY/
INTERIOR/A-PILLAR TRIM - INSTALLATION)
(8) Test sunroof operation, adjust if necessary.
(Refer to 23 - BODY/SUNROOF/GLASS PANEL -
ADJUSTMENTS)
DRIVE MOTOR
REMOVAL
CAUTION: The sunroof system is timed from the
factory so that the motor shuts off automatically
when the sunroof window reaches a certain posi-
tion. Extreme care must be taken when removing
the motor, timing may be thrown off causing possi-
ble damage to the sunroof system. Anytime the
motor is removed from the sunroof assembly the
sunroof glass panel must be in the FULLY CLOSED
POSITION or the unit will be out of timing. The drive
motor cannot be reset to the park position after
being removed.CAUTION: The sunroof motor should only be pow-
ered through the vehicle battery and sunroof wire
harness. Applying power to the sunroof motor leads
will cause failure of the control module.
(1) Move glass panel to the fully closed position.
(2) Remove the A-pillar trim. (Refer to 23 - BODY/
INTERIOR/A-PILLAR TRIM - REMOVAL)
(3) Remove the B-pillar upper trim. (Refer to 23 -
BODY/INTERIOR/B-PILLAR UPPER TRIM -
REMOVAL)
(4) Remove the C-pillar trim. (Refer to 23 - BODY/
INTERIOR/C-PILLAR TRIM - REMOVAL)
(5) Remove the D-pillar trim. (Refer to 23 - BODY/
INTERIOR/D-PILLAR TRIM - REMOVAL)
(6) Remove the sunvisors. (Refer to 23 - BODY/IN-
TERIOR/SUN VISOR - REMOVAL)
(7) Remove the overhead console. (Refer to 8 -
ELECTRICAL/OVERHEAD CONSOLE - REMOVAL)
(8) Disconnect the control switch wire connector.
(9) Remove headliner as necessary to gain access
to sunroof drive motor. Refer to Headliner Removal
and Installation for proper procedures.
(10) Disconnect the drive motor wire harness con-
nectors (Fig. 3).
(11) Remove drive motor fasteners and remove
motor from the sunroof housing.
INSTALLATION
(1) Ensure that the window is in the fully closed
position before mounting the motor. If motor fails
with the window in the open position the sunroof
glass panel timing will have to be timed. The new
motor comes in the fully closed position and with a
gage for setting cable timing. (Refer to 23 - BODY/
SUNROOF/GLASS PANEL - ADJUSTMENTS - TIM-
ING)
(2) Place drive motor into position on the sunroof
housing and install fasteners.
Fig. 3 Sunroof Drive Motor and Express Module
1 - EXPRESS MODULE
2 - SCREW
WJSUNROOF 23 - 101