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.
To learn whether your car supports OBD-II standard, see following conditions: 1. OBD-II standard is supported by the vehicles: U.S. since 1996 European since 2003 (diesel since 2004) Japanize since 2005
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.
On-Board Diagnostic systems are in most cars and light trucks on the road today. During the '70s and early 1980's manufacturers started using electronic means to control engine functions and diagnose engine problems.
AFC - Air Flow Control
ALDL - Assembly Line Diagnostic Link. Former name for GM (only) Data Link Connector, the connector socket into which the scan tool plug is inserted; sometimes used to refer to any pre-OBD II computer signals