ELM327 OBD2 V2.1 Bluetooth Interface Auto Car Diagnostic Scanner designed an on-Board Diagnostics. In  an automotive context, OBD is a generic term that refers to a vehicle’s self-diagnostic and reporting capability. OBD systems provide the vehicle owner or a repair technician access to the state of health information for various vehicle sub-systems.
The amount of diagnostic information available via OBD has varied widely since the introduction within the early 1980s of onboard vehicle computers, which made OBD possible. Early instances of OBD would simply illuminate a malfunction indicator light, or MIL, if any error or issue was detected. But it does not provide any information on the character of the matter.

Modern OBD implementations make use of a uniform digital communications port to supply real-time data additionally to a uniform series of diagnostic trouble codes, or DTCs. As a result,  permits one to rapidly identify and remedy malfunctions within the vehicle. ELM327 Bluetooth CAN-BUS scan tool supports OBD-II protocols. it’s wont to read & diagnose trouble codes, clear trouble codes and detect fuel pressure then on. The Elm327-Bluetooth adapter also  gives you the chance to “spy” on your car wirelessly. By Converting  PC, PDA, Mobile to a diagnostic tool and thus monitor all critical information of the car’s ECU.

The Elm327-Bluetooth is an adapter that connects to the car’s network then creates a virtual cable between the adapter and therefore the PC that it’s connected to. Moreover, with the assistance of varied open-source application for the Elm327, you’ll have a digital gauge or a complicated diagnostic system and a strong performance measurement toll in your screen.