? The Equus Code Reader is a diagnostic code scanner that comes with all the right tools that professional automotive mechanics use daily in vehicle repair. the Equus 3140 Innova is a full powered diagnostic tool that fits in the palm of your hand. The diagnostic trouble codes and code definitions are clear and easy to read giving you direct a direct link with your vehicle's computer. With great features that help mechanics of all levels make quick efficient reading of all your vehicle's major functions you can cut down on your repair time. The Equus 3140 Innova allows you to take a freeze frame of any given scan for later playback. When doing things like troubleshooting timing, not having to re-create problems in order to troubleshoot them saves you a vast amount of time. The Equus Code Reader has the ability to scan all OBD-II vehicles. It is also configured to scan any of the OBD-I vehicles in the service today. With the ability to record a freeze frame of any given scan. You will always have and make you need I without having to re-break the problem over and over again. This is especially handy when working on timing issues. The Equus Code Reader has SAE enhanced Live Data - views, records, and plays back live PCM data streams Designed to retrieve diagnostic codes in all OBD2 (1996 and newer) and some of the most popular OBD1 (1981 to 1995) vehicles Communicates with all OBD 2 protocols: C.A.N. (Controller Area Network), ISO 9141, J1850PWM, J1850VPW, KWP 2000 ISO 14230-4 Displays Freeze Frame Data Unique patented all-in-one screen display and LED display make diagnosis quick and easy Once you own a Equus code reader, you will wonder how you got along with out it. Providing fast, accurate information on your vehicle will make all your repairs go smoother. Whether you are a backyard mechanic or a highly skilled professional mechanic. You will appreciate the Equus code scanner.