GM Service Manual Online
For 1990-2009 cars only

Data

Battery Voltage: The scan tool displays the battery voltage of the vehicle.

Ignition

Ignition Accessory: The scan tool displays the state of the Accessory relay. The scan tool displays Active when the BCM activates the Accessory relay.

Power Mode: The scan toll displays the current power mode that the vehicle is in.

Input

Driver Door Switch: The scan tool displays the state of the drivers door.

Pass Door Switches: The scan tool displays the state of any of the passengers doors.