Scan Tool Data Definitions

Scan Tool Data Definitions
Battery Voltage
- The scan tool displays 0.0-16.0 volts. The battery voltage input represents the system voltage measured at the body control module (BCM) ignition feed input.

Door Ajar Switch
- Input from the respecting door indicating door status.

GM Part Number
- The module's part number.

Ignition Accessory
- Input from ignition switch Accessory circuit. Used to determine power mode. Hot in ACC and ON.

Ignition 0
- 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

Ignition 1
- Input to the control module from the ignition switch indicating the Ignition 1 position. Switch closed (HOT) in ignition switch positions 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.

Julian Date of Build
- The day of the year when module was built.

Left Rear/Rear Cargo Door Ajar Switch
- Input from the left rear/rear cargo door showing the state of it.

Right Rear Door Ajar Sw.
- Input from the right rear door showing the state of it.

SWC Switch Power
- Indicates the state of the supply voltage to the steering wheel controls supply voltage.

SWC Switch Voltage
- Indicates the steering wheel controls supply voltage.

Year Module Built
- The year when module was built.