Important: If the suspected cause of the inoperative sunroof is a power interruption
to the sunroof control module, the sunroof must be re-initialized. Refer to
Sunroof Motor Synchronization
.
Important:
- Perform
Diagnostic System Check - Power Sunroof
before using the Symptom Tables in order to verify that all of
the following are true:
• | The control module(s) can communicate via the serial data link. |
- Review the system operation and circuit description in order to
familiarize yourself with the system functions. Refer to
Power Sunroof Description
and
Power Sunroof Circuit Description
.
Visual/Physical Inspection
• | Inspect the easily accessible or visible system components for
obvious damage or conditions which could cause the symptom. |
• | Inspect the ground to be clean and tight. |
• | Inspect connector C1 and C6 at the IP wiring harness junction
block to be fully seated and terminals are tight. |
Intermittent
Faulty electrical connections or wiring may be the cause
of intermittent conditions. Refer to
Testing for Intermittent Conditions and Poor Connections
in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure from the following list in order
to diagnose the symptom: