AUTOMOTIVE INDUSTRY TRAINING RETAIL, SERVICE AND …

automobile manufacturers began using the new terms in 1993 when California adopted J1930. As an example, the on-board computer had been known as a Micro-computer, a Processor, an Engine Control Assembly (ECA), or an Engine Control Unit (ECU) depending on the manufacturer.The new term, standard in the industry, is Powertrain Control Mod-ule (PCM). ................
................