Scan Tool Data Definitions

WARNING: This page is about a different car, the 2004 Buick Regal and 2004 Buick Century. However, it is still accessible from the selected car via links, so may be relevant.

Battery Voltage: The scan tool displays 0-25.5 volts. The state of the battery voltage supplied to the body control module (BCM).
Door Jamb Switch: The scan tool displays Open/Closed. The door jamb switch input to the BCM, where an open passenger door is displayed as Open.
Door Lock Output: The scan tool displays On/Off. The BCM output to the door lock actuators, where Lock is displayed as On.
Door Lock Switch: The scan tool displays Active/Inactive. The driver or passenger door lock switch input to the BCM, where a switch in Lock position is displayed as Active.
Door Unlock Output: The scan tool displays On/Off. The BCM output to the passenger door lock actuators, where Unlock is displayed as On.
Door Unlock Switch: The scan tool displays Active/Inactive. The driver or passenger door lock switch input to the BCM, where a switch in the Unlock position is displayed as Active.
Driver Door Switch: The scan tool displays Open/Closed. The driver door switch input to the BCM, where an open driver door is displayed as Open.
Driver Unlock Output: The scan tool displays On/Off. The BCM output to the driver door lock actuator, where Unlock is displayed as On.
Software Part Number: The scan tool displays the 8 digit part number of the BCM.
Trunk Ajar Switch: The scan tool displays On/Off. The trunk ajar switch input to the BCM, where an open trunk is displayed as On.