Component Description: BCM
The BCM controls the operation of the perimeter alarm. Based on input, the BCM arms, disarms, activates or deactivates the perimeter alarm.
The BCM requires PMI when replaced. Additionally, at least 2 keys must be programmed and the parameter reset procedure carried out.
Door Ajar Switch
The door ajar switch is a single pole switch monitored by the BCM. The primary function of the door ajar switch is for the courtesy lamps system. Refer to: Interior Lighting - System Operation and Component Description .