Important:
- Perform A Diagnostic System Check - Theft Deterrent before using
the Symptom Tables in order to verify that all of the following are true:
| • | The control module(s) can communicate via the serial data link. |
- Review the system operation in order to familiarize yourself with
the system functions. Refer to the following:
| • | Theft Deterrent Description |
| • | Theft Deterrent Operation |
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. |
| • | Inspect the ignition switch for obvious damage. |
Intermittent
Faulty electrical connections or wiring may be the cause of intermittent
conditions. Refer to Testing for Intermittent and Poor Connections in Wiring
Systems.
Symptom List
Refer to a procedure from the following list in order to diagnose a
symptom that does not set a DTC:
| • | Security Indicator Always On or Flashing |
| • | Security Indicator Inoperative |
