Battery 1: The scan tool displays 0-25.5 volts.
The state of the battery voltage supplied to the body control module (BCM).
Driver Door Switch: The scan tool displays the status of the
driver door switch.
Ignition 1 Input: The scan tool displays the state of the ignition 1
Run/Crank input to the BCM.
Ignition 2 Input: The scan tool displays the state of the ignition 2
Acc/Run input to the BCM.
Ignition 3 Input: The scan tool displays the state of the ignition 3
Run input to the BCM.
Key In Ignition: The scan tool displays Yes/No. The BCM receives
an input from the ignition switch indicating whether the key is in the ignition or
not, with Yes meaning the key is in the ignition.
Liftgate Ajar Switch: The scan tool displays the status of the
liftgate switch.
Pass Door Switches: The scan tool displays the status of the
passenger doors switches.