Body Control Module
The BCM contains the logic of the PASS-Key II system. The BCM has inputs from the battery, ignition circuits, key resistor, shock sensor, and door lock, door jamb and hatch switches. The BCM has outputs to the starter enable circuit, the fuel enable circuit, the security lamp circuit, and the remote hatch release. The BCM also controls power locks, interior lamps, horn chirps and parking lamp flashes for locking and arming functions.The BCM has some diagnostic features, including diagnostic trouble codes.