A Symptoms - Roof
SYMPTOMS
IMPORTANT:
- If the suspected cause of an inoperative sunroof is a power interruption to the sunroof module, the sunroof must be re-initialized. Refer to Sunroof Motor/Actuator Synchronization .
- The following must be completed before using the symptom tables.
1. Perform the Diagnostic Starting Point - Sunroof/Moonroof in order to verify that all of the following are true:
- There are no DTCs set.
The control modules can communicate via the serial data link. Initial Inspection and Diagnostic Overview
2. Review the system operation in order to familiarize yourself with the system functions. Refer to Sunroof 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:
- Power Sunroof Inoperative
- Power Sunroof Does Not Open to Express Position
- Retained Accessory Power (RAP) On After Timeout in Computer/Integrating Systems, if the power sunroof should operate longer than 20 minutes after the ignition has been turned OFF