Description & Operation
WARNING:
Vehicles are equipped with air bag supplemental restraint system. Before attempting ANY repairs involving steering column, instrument panel or related components, see SERVICE PRECAUTIONS and DISABLING & ACTIVATING AIR BAG SYSTEM in appropriate AIR BAG RESTRAINT SYSTEM article.
Personal Automotive Security System (PASS-Key II(R)) is designed to prevent vehicle theft by disabling engine unless an ignition key with a specific electrical resistance is used in ignition key lock cylinder. PASS-Key II(R) system operates using sensing contacts which are located in ignition key lock cylinder. These contact a key resistor pellet which is located on the ignition key. When lock is rotated, battery voltage is applied through appropriate fuse to theft deterrent module. Pellet resistance is then compared with programmed value in module.
System components include ignition key, ignition key lock cylinder, theft deterrent module, theft deterrent relay and Powertrain Control Module (PCM).