Auto Service Professional

OCT 2017

Magazine for the auto service professional

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34 | ASP October 2017 Technical simple and only need to be initialized. (NOTE: e ABS/ESC module, a common failure part on late model Dodge Grand Caravans, just requires initialization if it has to be replaced.) Bringing this to a safe stop It's important to remember that an ESC system has limits. Tire tread, tire pres- sure, steering components, proper brake components and suspension parts all must be inspected and verified to be in working order. Parts must be replaced properly and initial- ized to function correctly. ESC was not designed to allow for faster cornering speeds or aggressive driving on slippery roads. It was designed to increase safety and vehicle control. But this system isn't fool-proof. It can't overcome the simple laws of physics, and if the base systems aren't functioning at the appropriate level, this system won't be able to work as designed. ■ Jeff Taylor boasts a 32-year career in the automotive industry with Eccles Auto Service in Dundas, On- tario, as a fully licensed profession- al lead technician. While continuing to be "on the bench" every day, Jeff is also heavily involved in govern- ment focus groups, serves as an accomplished technical writer and has competed in internation- al diagnostic competitions as well as providing his expertise as an automotive technical instruc- tor for a major af termarket parts retailer. Here is an example of a screen shot depicting an array of available information on a generic scanner tool when inspecting for yaw rate and other data sensor output. It doesn't matter how good the ESC system is. If the base systems aren't functioning properly, the system may not work as intended. Remember, the system is only as good as all the parts combined.

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