Chrysler 300M 2002 Service Manual page 1541

23 - 102 SUNROOF
SUNROOF (Continued)
However, when some type of drying blower system is
used, like those found in automatic car washes, the
water may not have a chance to drain before the
blower forces air between the seal and the roof open-
SYMPTOM
Sunroof motor inoperative.
Audible whine when switch is depressed,
sunroof does not operate.
Audible clicking or ratcheting when switch is
pressed, sunroof does not operate.
Sunroof vents and opens, but does not close.
Sunroof vents, but does not open.
Sunroof does not vent
Sunroof water leak.
Wind noise from sunroof.
Rattles from open sunroof while driving
Rattles from closed sunroof while driving
ing. This causes the water to blow over the edge of
the module and onto the headlining.
Refer to (Fig. 1) Sunroof Assembly for exploded
view of the sunroof.
SUNROOF DIAGNOSIS CHART
POSSIBLE CAUSE
Faulty control switch.
Faulty circuit ground between sunroof express module, drive
motor, control switch, and body harness.
Faulty power circuit between sunroof express module, drive
motor, switch, and body harness.
Faulty sunroof drive motor.
Faulty sunroof express module.
Faulty sunroof drive motor connector.
Faulty sunroof drive motor.
Binding cable.
Broken or worn drive cable.
Worn drive motor gear.
Mechanisms not synchronized.
Binding cable.
Faulty circuit.
Faulty control switch.
Faulty sunroof express module.
Faulty drive motor.
Binding linkage.
Faulty circuit.
Faulty switch.
Faulty sunroof controller.
Faulty drive motor.
Binding cable.
Faulty circuit.
Faulty control switch.
Faulty sunroof express module.
Drain tubes clogged or kinked.
Glass panel improperly adjusted.
Faulty glass panel seal.
Front of glass panel too high or rear too low.
Glass panel not centered in opening.
Faulty glass panel seal.
Loose or broken attaching hardware.
Worn or broken mechanism.
Loose or broken attaching hardware.
Worn or broken mechanism
LH