Initial Inspection and Diagnostic Overview

VEHICLE THEFT SECURITY SYSTEM (VTSS)







The VTSS system monitors the door ajar switches, and ignition switch to detect unauthorized entry into the vehicle.

Once the vehicle is "armed", any one of these inputs can cause the VTSS system to be tripped.

Once tripped, the horn and lights will pulse for 3 minutes and if an attempt is made to start the engine with a non-programmed SKIM key, it will start and stall. If the trigger condition is still present, the lights will continue to flash for an additional 15 minutes, after which the system will stop pulsing the lights and return to the "armed" state

The cause of the last 4 alarm triggers is stored by the CTM and may be retrieved by the DRB III.

The system may be disarmed by either an unlock command from a valid RKE key fob by using a key in either door, or by using a valid SKIM key in the ignition. The door key cylinders are equipped with disarm switches. There is also a VTSS lamp on the dash that provides information to the driver about the state of the vehicle theft system.



Refer to Body Control System.


Refer to The Programmable Communication Interface Multiplex System (PCI Bus).


Refer to Computers and Control Systems.