For 1990-2009 cars

Important: The following steps must be completed before using the symptom tables.

1. Perform the Diagnostic System Check - Vehicle before using the Symptom tables in order to verify that there are no DTCs set.
2. Review the system operation in order to familiarize yourself with the system functions. Refer to Exterior Lighting Systems Description and Operation and Interior Lighting Systems Description and Operation .

### Visual/Physical Inspection

• | Inspect for aftermarket devices which could affect the operation of the Power Sunroof System.

• | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom.

### Intermittent

Faulty electrical connections or wiring may be the cause of intermittent conditions.

### Symptom List

Refer to a symptom diagnostic procedure from the following list in order to diagnose the symptom:

• | Backup Lamps Inoperative

• | Courtesy Lamps Inoperative

• | Ashtray Courtesy Lamps Inoperative

• | Courtesy Lamps Inoperative - Door Step

• | Daytime Running Lamps (DRL) Inoperative

• | Rear Fog Lamp Indicator Inoperative

• | Rear Fog Lamps Inoperative

• | Hazard Lamps Inoperative

• | Instrument Panel Illumination Lamps Inoperative

• | Instrument Cluster Indicator Lamps

• | Headlamps Inoperative - High Beams

• | Headlamps Inoperative - Low Beams

• | Low and High Beams Headlamps Inoperative

• | Headlight Leveling Inoperative

• | Ignition Lock Cylinder Lamp Inoperative

• | Instrument Panel Compartment Lamp Inoperative

• | Park, License, and Tail Lamps Inoperative

• | Rear Compartment Lamp Inoperative

• | Stop Lamps Always On

• | Stop Lamps Inoperative

• | Turn Signal Lamps and/or Indicators Inoperative

• | Vanity Mirror Lamp Inoperative