INNOVA 3100 Diagnostic Scan Tool/Code Reader with ABS and Battery Backup for OBD2 Vehicles Quickly reveals the cause of "Check Engine" light warnings on any foreign or domestic 1996 and newer car, light truck or SUV Read and erase ABS light trouble codes for most GM, Ford, Chrysler, and Toyota vehicles Features a patented all-in-one screen and LED display for quick State Emissions readiness check and drive cycle verification Automatically refreshes data every 30 seconds when connected to the vehicle, making it easy to verify repair completion Battery backup memory provides off-car review and analysis