GM Service Manual Online
For 1990-2009 cars only
Left Rear Door Ajar Switch: The scan tool displays the position of the left rear door. The scan tool will display Ajar when to door is open.

LF Door Ajar Switch: The scan tool displays the position of the left front door. The scan tool will display Ajar when to door is open.

LF Key Cylinder Lock Switch: The scan tool displays the status of the LF door key switch. The scan too will display Idle/Lock/Unlock/Invalid depending on the position of the LF key cylinder.

Right Rear Door Ajar Switch: The scan tool displays the position of the right rear door. The scan tool will display Ajar when to door is open.

RF Door Ajar Switch: The scan tool displays the position of the right front door. The scan tool will display Ajar when to door is open.

RF Key Cylinder Lock Switch: The scan tool displays the status of the RF door key switch. The scan too will display Idle/Lock/Unlock/Invalid depending on the position of the RF key cylinder.