Comprehensive Topic on Vehicle Diagnostics and Maintenance
Auto maintenance technology lectures
OBD stands for O n- B oard D iagnostics. It is a computer-based system originally designed to reduce emissions by monitoring the performance of major engine components. A basic OBD system consists of an ECU (Electronic Control Unit), which uses input
All cars and light trucks built and sold in the United States after January 1, 1996 were required to be OBD II equipped. In general, this means all 1996 model year cars and light trucks are compliant, even if built in late 1995. Two factors will show
All cars and light trucks built for sale in the United States after 1996 are required to be OBDII compliant. The European Union adopted a similar law in 2000 for gasoline-powered vehicles, and in 2003 for cars with diesel engines. An OBD-II compliant