Scan Tool Data Definitions

SCAN TOOL DATA DEFINITIONS

Battery 1: The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the battery positive voltage circuit of the body control module (BCM).

Generator L-Terminal: The scan tool displays High/Low. The scan tool displays High any time the key is in the ON position.

Ignition 1 Signal: The scan tool displays 0-20 volts. The scan tool displays the voltage as received on the ignition 1 circuit to the engine control module (ECM).