For 1990-2009 cars only
Important: The following must be completed before using the symptom tables.
- Perform the Diagnostic System Check - Vehicle before using the Symptom Tables in order to verify that all of the following are true:
- Review the system operation in order to familiarize yourself with the system functions. Refer to Vehicle Theft Deterrent (VTD) Description and Operation .
| • | There are no DTCs set. |
| • | The control module's can communicate via the serial data link. |
Visual/Physical Inspection
| • | Inspect for aftermarket devices which could affect the operation of the Theft Deterrent System. Refer to Checking Aftermarket Accessories in Wiring Systems. |
| • | Inspect the easily accessible or visible system components for obvious damage or conditions which could cause the symptom. |
| • | Ensure that the ignition key is a PASS-KEYIII® key. PASS-KEYIII® keys are identified by 'PK3' stamped into the steel shank of the key. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent conditions. Refer to Testing for Intermittent Conditions and Poor Connections in Wiring Systems.
Symptom List
Refer to a symptom diagnostic procedure in order to diagnose the symptom:
