Smart OBDII Interface Development is to create all the information about the vehicle's performance and diagnostic trouble code (DTC) easily available to drivers or technician and mechanism by using an output device such as mobile or any display device in the vehicles. This work solves many problems by providing many useful information for driver like reading the battery voltage in real time. The main objectives are shown below depends on the time given as to complete the project planning and the limitation faced in the process used to implement the system. The project planning objectives produce create a development device can integrate with ELM327 interface module to communicate by data link connector in the vehicles to provide reading the real data from the engine control unit and detect the diagnostic trouble code. To implement support for reading the battery voltage which gives for driver and inspector the very important information needed to avoid the trouble in the car. To protect and help when the vehicle battery breakdown and the vehicle does not run so, can use it as a jump starter and as computer memory savers.

Smart OBDII Interface Development is to create all the information about the vehicle's performance and diagnostic trouble code (DTC) easily available to drivers or technician and mechanism by using an output device such as mobile or any display device in the vehicles. This work solves many problem...