![]() ![]() ![]() The Development of Controller Area Networks for CarsĬAN was created in 1984 by the Robert Bosch Corp. This allows the Powertrain Control Module (PCM), antilock brake/traction control/stability control system, electronic steering, electronic suspension, automatic climate control system, keyless entry system, lighting control modules and dozens of other systems and modules to all be interconnected electronically. Think of it as a high speed party line that allows data and commands to zip back and forth from one module to another. So what exactly is CAN? It is a communication standard that allows the various modules and computers in a vehicle to talk to one another via a common "data bus" circuit in the wiring system. CAN allows various modules and systems to share data and interact in ways that where previously impossible. were CAN-equipped.Īs a vehicle owner or do-it-yourself mechanic, you need to know how CAN has made the electrical system in late model cars and trucks much more complicated than ever before. Since then, more and more vehicles have been equipped with CAN systems, until 2008 when virtually all passenger cars and light trucks sold in the U.S. How to Diagnose a Controller Area Network (CAN) by Larry Carley copyright Ĭontroller Area Network (CAN) electrical systems began to appear in new vehicles in 2003. Automotive Repair Library, Auto Parts, Accessories, Tools & Equipment, Manuals & Books, Car BLOG, Links, Index ![]()
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