Active Anti-Theft Alarm System

Inspection and Verification

1. Verify the customer's concern by operating the anti-theft alarm system to duplicate the condition.

Visual Inspection Chart:

2. Inspect to determine if one of the following mechanical or electrical concerns apply:
3. If the inspection reveals obvious concern(s) that can be readily identified, service as required.
4. If the concern(s) remains after the inspection, determine the symptom(s) and go to the Symptom Chart.
5. Perform the following anti-theft, on-board diagnostic test as follows:

NOTE: This quick test quickly provides the capability to identify a shorted to ground condition for the door lock cylinder switches, hood switch, ignition lock anti-theft switch or the associated circuits.

- Turn ignition switch to ACCESSORY. If the THEFT indicator lamp comes on solid for 10 seconds, service the ignition lock anti-theft switch and/or Circuit 936 (DG/W).
- Activate power door UNLOCK button five times within 10 seconds.
- Count the number of flashes of the anti-theft warning indicator lamp (repeats every 10 seconds). Refer to Flashout Code Chart for results and action to take.

NOTE: Diagnostic mode will automatically cancel after two minutes or by turning key to OFF.