Scan Tool Data Definitions
SCAN TOOL DATA DEFINITIONSAccessory Switch: Input from ignition switch accessory circuit. Used to determine power mode. Hot in ACC and ON.
Battery Voltage: The scan tool displays 0.0-16.0 volts. The battery voltage input represents the system voltage measured at the BCM ignition feed input.
Ignition Unlock: Input to the control module from the ignition switch indicating the Ignition 0 position. Switch closed (HOT) in ignition switch positions UNLOCK, ACC, ON, and START
Key in Ignition: Input from ignition switch indicating that the ignition key is inserted into the ignition switch. HOT with key in ignition switch.
Module Part Number: Indicates the module part number.
Run/Crank: Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions ON and
START Software Design Suffix: Details the software version used.
Software Part Number: Part number of the software.