Jeep 1997 Grand Cherokee Service Manual page 960

8W - 64 - 4
DESCRIPTION AND OPERATION
POWER SUNROOF . . . . . . . . . . . . . . . . . . . . . . 4
DESCRIPTION AND OPERATION
POWER SUNROOF
When the ignition switch is in the ACCESSORY or
RUN position it connects circuit A1 from fuse 8 in
the Power Distribution Center (PDC) to circuit A31.
Circuit A31 powers circuit F86 through the circuit
breaker in cavity 1 of the junction block. Circuit F86
feeds the power sunroof control module and switch.
Circuit Z1 provides ground for the sunroof system.
When the operator selects the OPEN function, volt-
age is provided on circuit F86 through the closed con-
tacts in the switch to circuit Q41. Circuit Q41
connects between the switch and the control module.
The control module then activates the motor and
moves the sunroof to the desired position. A position
8W - 64 POWER SUNROOF
8W-64 POWER SUNROOF
INDEX
page
sensor is used to prevent the sunroof from being
moved to far in any one direction. When the sensor
detects the roof is at the end of its travel it sends a
signal to the control module and voltage is shut off to
the motor.
voltage is provided on circuit F86 through the closed
contacts in the switch to circuit Q42. Circuit Q42
connects between the switch and the control module.
moves the sunroof to the desired position. The posi-
tion sensor detects when the roof is at the end of its
travel it sends a signal to the control module and
voltage is shut off to the motor.
When the operator selects the CLOSE function,
The control module then activates the motor and
ZG