Troubleshooting Hints

PERFORM BEFORE BEGINNING SYSTEM DIAGNOSIS
1. Before attempting any electrical diagnosis, make sure that the sunroof is not binding due to a mechanical failure.
2. Check the PWR WDO Circuit Breaker.
3. Check that ground G302 is clean and tight.
4. If a motor's internal circuit breaker trips, it will not reset until voltage is removed from the motor.
^ Refer to System Diagnosis.
^ Check for a broken (or partially broken) wire inside of the insulation which could cause system failure but prove GOOD in a continuity/voltage check (refer to Troubleshooting Procedures).
^ Check for proper installation of aftermarket electronic equipment which may affect the integrity of other systems (refer to Troubleshooting Procedures). Diagnostic Aids