BCM Inputs
The following components provide direct input to the BCM, plus other Systems can use this input information in order to carry out Passlock theft deterrent functions:^ BCM Ground: Provides ground for BCM operation.
^ BCM Power: Provides voltage for BCM operation.
^ Crank Signal: Determines when the ignition switch is in the start position.
^ Ignition 0 Signal: Determines when the ignition switch is in accessory, on, and start positions.
^ Ignition 1 Signal: Determines when the ignition switch is in the on, bulb test, and start positions.
^ Passlock Sensor Data: Reads the Passlock sensor security code.
^ Serial Data: provides an interface with the PCM through the Class II serial data link.