OTC 3109 Trilingual OBD II/EOBD and CAN Scan Tool Live data allows the user to view vehicle sensor switch and relay inputs in real time while the engine is running Displays all 9 modes of OBD II data and meets European OBD standards 15,000 code definitions for comprehensive coverage and is field updateable via USB port for future expansion Pinpoint problem components for a faster diagnosis Trilingual menu manual and definitions