Diagnosis And Testing - Diagnostic Starting Point: Notes

Before beginning sunroof diagnostics verify that all other power accessories are in proper operating condition. For electrical diagnostic information follow the chart "Sunroof Diagnosis Chart". Refer to DIAGNOSIS AND TESTING . Also refer to appropriate Wiring Diagrams, in this publication for circuit, splice and component descriptions.

Before beginning diagnosis for wind noise or water leaks, verify that the sunroof is in a fully closed position. A common problem is the sunroof is left in an open position, this can be caused by releasing the control switch before the sunroof was fully closed. The sunroof module is equipped with a water-management system. If however, the sunroof glass is in a partial closed position, high pressure water may be forced beyond the water management system boundaries and onto the headlining.