SUNROOF DIAGNOSIS CHART
SYMPTOM POSSIBLE CAUSE
Sunroof motor inoperative. 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.
Audible whine when switch is depressed,
sunroof does not operate.
Faulty sunroof drive motor.
Binding cable.
Audible clicking or ratcheting when switch is
pressed, sunroof does not operate.
Broken or worn drive cable.
Worn drive motor gear.
Mechanisms not synchronized.
Sunroof vents and opens, but does not close. Binding cable.
Faulty circuit.
Faulty control switch.
Faulty sunroof express module.
Faulty drive motor.
Sunroof vents, but does not open. Binding linkage.
Faulty circuit.
Faulty switch.
Faulty sunroof controller.
Faulty drive motor.
Sunroof does not vent Binding cable.
Faulty circuit.
Faulty control switch.
Faulty sunroof express module.
Sunroof water leak. Drain tubes clogged or kinked.
Glass panel improperly adjusted.
Faulty glass panel seal.
Wind noise from sunroof. Front of glass panel too high or rear too low.
Glass panel not centered in opening.
Faulty glass panel seal.
Rattles from open sunroof while driving Loose or broken attaching hardware.
Worn or broken mechanism.
Rattles from closed sunroof while driving Loose or broken attaching hardware.
Worn or broken mechanism
23 - 22 BODY LH
DIAGNOSIS AND TESTING (Continued)
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