Diagnostic Starting Point - Roof: Symptoms

When no DTCs are present, begin symptom diagnosis by reviewing the SUNROOF DESCRIPTION AND OPERATION (UTILITY)  or SUNROOF DESCRIPTION AND OPERATION (ZRX/EXTREME) .

Reviewing the Description and Operation information will help you determine the correct symptom diagnostic procedure when a malfunction exists.

Reviewing the Description and Operation information will also help you determine if the condition described by the customer is normal operation. Refer to the SYMPTOMS - ROOF  in order to identify the correct procedure for diagnosing the system and where the procedure is located.