For 1990-2009 cars
Battery Voltage Signal: The scan tool displays battery voltage.
Ext. LF Door Handle Switch: The scan tool displays Active/Inactive. The scan tool will display Active when the exterior driver door handle is pressed.
Ext. RF Door Handle Switch: The scan tool displays Active/Inactive. The scan tool will display Active when the exterior passenger door handle is pressed.
Ignition Mode Switch: Then scan tool displays Idle/Crank/Accy/Off. The scan tool displays the current status of the ignition mode switch.
Last Key Fob Used: The scan tool displays Fob 1/Fob2/Fob 3/Fob 4. The scan tool will displays the last key fob used. for any keyless entry function.
No. of Fob's Programmed: The scan tool displays 0/1/2/3/4. The scan tool will displays the number of key fobs currently programmed to the vehicle.