Operation CHARM: Car repair manuals for everyone.

Scan Tool Data Definitions

Battery Voltage: The scan tool displays 9.0 - 15.0 volts. The state of the battery voltage supplied to the Body Control Module (BCM)

Door Jam Switch: The scan tool displays Active/Inactive. The door jamb switch input to the Body Control Module (BCM), where an open door is displayed as Active.

Door Lock Output: The scan tool displays On/Off. The Body Control Module (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 Body Control Module (BCM), where the switch transition to the Lock position is displayed as Active.

Door Unlock Output: The scan tool displays On/Off. The Body Control Module (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 Body Control Module (BCM), where the switch transition to the Unlock position is displayed as Active.

Driver Door Switch: The scan tool displays Open/Closed. The driver door switch input to the Body Control Module (BCM), where an open door is displayed as Open.

Driver Unlock Output: The scan tool displays On/Off. The Body Control Module (BCM) output to the driver door lock actuator, where Unlock is displayed as On.

Software Part Number: The scan tool displays the part number of the Body Control Module (BCM).

Trunk Ajar Switch: The scan tool displays Active/Inactive. The trunk ajar switch input to the Body Control Module (BCM), where an open trunk is displayed as Active.