GM Service Manual Online
For 1990-2009 cars only

Data Display/Body Rear End

Endgate Handle Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the endgate handle switch and the endgate close switch.

Endgate Lock Status: This parameter indicates the status of the endgate as either being Locked or Unlocked.

Endgate Release Cmd: The scan tool displays On/Off. The scan tool displays the commanded state of the release portion of the endgate latch.

Ext. Trunk/Liftglass Rel. Sw: The scan tool displays Active/Inactive. Active is displayed when the liftglass release switch is being pressed and Inactive is displayed when the liftgate release switch in not being pressed.

Int. Trunk/Liftglass Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the interior liftglass release switch.

Liftgate Handle Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the liftgate handle switch and the liftgate close switch.

Liftgate Lock Status: This parameter indicates the status of the liftgate as either being Locked or Unlocked.

Liftgate Release Cmd: The scan tool displays On/Off. The scan tool displays the commanded state of the release portion of the liftgate latch.

Liftglass Release Cmd: The scan tool displays On/Off. The scan tool displays the commanded state of the release portion of the liftglass latch.

Rear Cargo Lock Sw: The scan tool displays Active/Inactive. The vehicle liftgate lock switch inputs to the body control module (BCM), where a switch transition to the Lock position is displayed as Active.

Rear Cargo Unlock Sw: The scan tool displays Active/Inactive. The vehicle liftgate lock switch inputs to the BCM, where a switch transition to the Unlock position is displayed as Active.

Rear Closure Cyl. Unlock Sw: This parameter indicates the current status of the liftgate cylinder unlock switch as being Active or Inactive.

Rear Closure Open Sw: The scan tool displays Active/Inactive. The scan tool displays the status of the liftgate open switch.

Rear Closure Ajar Sw: The scan tool displays Active/Inactive. The scan tool displays the state of the liftgate ajar switch as seen at the rear integration module.

Data Display/Doors

Door Lock Requestor: This parameter represents the door lock function responsible for a door lock activation.

Drvr. Door Unlock Cmd: When the BCM sends a driver door unlock command to the driver unlock relay, the parameter will be On.

Left Rear Door Ajar Sw: The scan tool displays Door Closed/Door Ajar, the left rear door ajar switch input to the BCM, where an open door is displayed as Ajar.

Rear Doors Lock Cmd: This parameter indicates the commanded state of the rear door lock relay control circuit.

Rear Doors Unlock Cmd: This parameter indicates the commanded state of the rear door unlock relay control circuit.

Right Rear Door Ajar Sw: This parameter indicates the current status of the door ajar switch input to the BCM.

Special Functions/Output Controls

Door Lock/Unlock: This test will lock and unlock the front door lock actuator.

Door Dead Bolt Lock/Unlock: This test will lock and unlock the front door dead bolt actuator.

Liftgate Open/Close Test: This test will open and close the power liftgate including unlatching and cinch-in the liftgate latch.

Liftgate Learn: This procedure will open the power liftgate including unlatching liftgate latch.