![]() Even so, you don't have to be an engineer to perform basic diagnostics on CAN equipped vehicles because the diagnostics is essentially the same as current OBD2 vehicles. GEEK-SPEAK If you're not up to speed on the latest electronics and don't know a data bus from a school bus, diagnosing CAN systems will be a challenge. But you won't have to wait until then to encounter CAN diagnostics because many of the early applications are already out of warranty and may be coming into your shop now. By 2008, all new vehicles sold in the U.S will be required to have a CAN-compliant onboard diagnostic system. ![]() The first production application was in 1992 on several Mercedes-Benz models, but CAN is now being used on more and more new vehicles. In anticipation of future advances in onboard electronics. The CAN-bus protocol was created back in 1984 by Robert Bosch Corp. It's a high speed standard designed for powertrain control modules, antilock brakes and stability control systems. CAN-bus is essentially an engineering standard for how computers and modules talk to one another via the serial data bus in a vehicle's wiring system. ![]() Since model year 2003, a growing number of domestic and import vehicles have been built with a new onboard communications protocol called CAN (Controller Area Network). ![]()
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