GM Service Manual Online
For 1990-2009 cars only
Door Ajar Switches: The scan tool displays Open/Closed. The passenger door ajar switch input to the body control module (BCM), where an open door is displayed as Open.

Door Lock Motor: The scan tool displays Active/Inactive. The BCM output to the door lock actuators, where Lock is displayed as Active.

Door Unlock Switch: The scan tool displays Active/Inactive. The driver and front passenger door lock switches input to the BCM, where a switch in the Lock or Unlock position is displayed as Active.

Door Unlock Motor: The scan tool displays Active/Inactive. The BCM output to the passenger door lock actuators, where Unlock is displayed as Active.

Doors Battery Fd: The scan tool displays Active/Inactive. The state of the door lock system battery feed circuit as seen by the BCM, where a complete circuit is displayed as Active.

Doors System Gnd: The scan tool displays Active/Inactive. The state of the door lock system ground circuit as seen by the BCM, where a complete circuit is displayed as Active.

Driver Door Open Sw.: The scan tool displays Open/Closed. The driver door open switch input to the BCM, where an open door is displayed as Open.

Drivers Door Unlock Motor: The scan tool displays On/Off. The BCM output to the driver door lock actuator, where Unlock is displayed as On.

Electronics Battery Fd: The scan tool displays volts. The state of the battery voltage supplied to the BCM.

Key Cylinder Unlock: The scan tool displays On/Off. The key cylinder unlock switch input to the BCM, where a key cylinder in the unlock position is displayed as On.

Software Part Number: The scan tool displays the BCM program part number. This is used to determine applicability to vehicle RPO content.