Description & Operation
WARNING: This page is about a different car, the 1994 Chevrolet Caprice and 1994 Buick Roadmaster. However, it is still accessible from the selected car via links, so may be relevant.
Personal Automotive Security System (PASS-Key II(R)) is designed to prevent vehicle theft by disabling engine unless an ignition key assembly with a specific electrical resistance is used in ignition cylinder assembly. System components include ignition key assembly, ignition cylinder assembly, theft deterrent module assembly, theft deterrent relay assembly, and Powertrain Control Module (PCM).