For 1990-2009 cars only
Diagnostic Instructions
| • | Perform the Diagnostic System Check - Vehicle prior to using this diagnostic procedure |
| • | Review Strategy Based Diagnosis for an overview of the diagnostic approach. |
| • | Diagnostic Procedure Instructions provides an overview of each diagnostic category. |
Reference Information
Schematic Reference
Connector End View Reference
Navigation System Component Views
Electrical Information Reference
Circuit/System Testing
Important: The global positioning system (GPS) requires a clear line of sight to the sky to operate properly. In most cases the GPS will not have reception near tall buildings or inside structures.
- Remove the GPS antenna and cable and place it outside the vehicle. Verify the GPS reception is operational within 5 minutes.
- Replace the GPS antenna. Verify the GPS reception is operational within 5 minutes.
| ⇒ | If GPS becomes operational, remove any suspect window tint or objects that may obstruct the GPS signal. |
| ⇒ | If GPS is not operational, replace the radio. |
Repair Instructions
Perform the Diagnostic Repair Verification after completing the diagnostic procedure.
| • | Control Module References for radio replacement, setup, and programming |
