GM Service Manual Online
For 1990-2009 cars only

Data

Battery Voltage: The scan tool displays the battery system voltage.

Inputs

Accessory Switch: The scan tool display if the ignition switch is in the accessory state or not.

Cargo Door Ajar Switch: Passenger van only. The scan tool displays the position of the cargo door. The scan tool displays On when the door is open.

Driver Door Ajar Sw.: The scan tool displays the position of the driver's door. The scan tool displays On when the door is open.

Passenger Door Ajar Sw.: Passenger van only. The scan tool displays the position of the passenger or the rear door. The scan tool displays On when either door is open.

Run/Crank: The scan tool displays the position of the ignition switch. The scan tool displays On when the ignition switch is in the RUN or CRANK position.

Outputs

RAP Relay: The scan tool displays the commanded state of the WIND RAP relay. Active is displayed when the relay is energized and Inactive is displayed when the relay is de-energized.