GM Service Manual Online
For 1990-2009 cars only

Data

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

Inputs

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.

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

Ignition 0: 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

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

Passenger Door Ajar Sw.: The scan tool displays the position of the passenger door. The scan tool displays On when the door is open.

Outputs

RAP Relay: The scan tool displays whether RAP is active or inactive. This vehicle does not use an actual relay.