Diagnostic Starting Point
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Oldsmobile Bravada, 2003 GMC Envoy XL, 2003 GMC Envoy, 2003 Chevrolet TrailBlazer, and 2002 Oldsmobile Bravada. However, it is still accessible from the selected car via links, so may be relevant.
Begin the system diagnosis by reviewing the system description and operation. See DESCRIPTION & OPERATION . Reviewing the description and operation will help you to determine the correct symptom diagnostic procedure when a malfunction exist. Reviewing the description and operation information will also help you determine if the condition described by the customer is normal operation. Begin checking symptoms in order to identify the correct procedure for diagnosing the system and where the procedure is located. See SYMPTOMS .