GM Service Manual Online
For 1990-2009 cars only
Battery Voltage : The scan tool displays the battery system voltage.

Content Theft State : The scan tool displays Off/Idle/Armed/RFA Arm Delay/Alarm. The scan tool will display the current state of the content theft deterrent (CTD) system.

Content Theft Lamp : The scan tool displays Off/On/Flashing. The scan tool will display the current security indicator lamp state.

Door Ajar Switch : The scan tool displays Off when the applicable door is fully closed or On when the door is open or ajar.

Left Rear Door Ajar Switch : The scan tool displays Off when the left rear door is fully closed or On when the left rear door is open or ajar.

Liftgate Ajar Switch : The scan tool displays Closed when the liftgate is fully closed or Ajar when the liftgate is open or ajar.

Liftglass Ajar Switch : The scan tool displays Closed when the liftglass is fully closed or Ajar when the liftglass is open or ajar.

Right Rear Door Ajar Switch : The scan tool displays Off when the right rear door is fully closed or On when the right rear door is open or ajar.