Scan Tool Data Definitions
WARNING: This page is about a different car, the 2003 Pontiac Sunfire and 2003 Chevrolet Cavalier. However, it is still accessible from the selected car via links, so may be relevant.
Battery Voltage: The scan tool displays 0-17.5 volts. The scan tool displays the voltage as received by the BCM.
Volt Lamp: The scan tool displays On/Off. The scan tool displays On when the IPC has been commanded by another module to command the Volt Lamp On.