Scan Tool Data Definitions

The scan tool displays 0.0-16.0 volts. This parameter represents the system voltage measured at the Body Control Module (BCM) ignition feed input.

Ignition Accessory is the input to the BCM from the ignition switch Accessory circuit. Ignition Accessory is used to determine the power mode. The scan tool displays Active when the ignition is in ACC or ON.

Ignition 0 is the input to the BCM from the ignition switch Ignition 0 circuit. Ignition 0 is used to determine the power mode. The scan tool displays On when the ignition switch is in UNLOCK, ACC, ON, or START

Ignition 1 is the input to the BCM from the ignition switch Ignition 1 circuit. Ignition 1 is used to determine the power mode. The scan tool displays On when the ignition switch is ON or START

Key in Ignition is the input from the ignition switch indicating that the ignition key is inserted into the ignition switch. The scan tool displays Yes when the key is in the ignition switch.

Indicates the part number of the BCM.

Indicates the time remaining for programming functions.

Indicates the part number of the software in the BCM.