Accessory Switch: Input from ignition switch Accessory circuit. Used to determine power mode. Hot in ACC and ON.

Battery Voltage: The scan tool displays 0.0-16.0 volts. The battery voltage input represents the system voltage measured at the BCM ignition feed input.

Cargo Door Ajar Switch: Input from the cargo door showing the state of it.

Driver/Passenger Door Ajar Sw.: Input from the respecting door indicating door status.

GM Part Number: The module's part number.

Ignition Unlock: Input to the control module from the ignition switch indicating the Ignition 0 position. Switch closed (HOT) in ignition switch positions UNLOCK, ACC, ON, and START.

Run/Crank: Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions ON and START.

Key in Ignition: Input from ignition switch indicating that the ignition key is inserted into the ignition switch. HOT with key in ignition switch.

Julian Date of Build: The day of the year when module was built.

RAP Relay: Output indicating the state of the RAP relay. It is On for all power modes except Off Awake.

Year Module Built: The year when module was built.