FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
Courtesy of Operation CHARM: Car repair manuals for everyone.

Alarms

The Body Control Module (PZM) controls all alarm functions. When the PZM has detected an unauthorized entry, it applies ground to the Horn, Park Lamp and Headlamp relays once per second for approximately three minutes, or until a valid input to disarm is received.