![]() ![]() ![]() One type uses a single motor to pull a cable on an otherwise conventional cable-operated parking brake system. The recent development of small but powerful electric motors is the final piece that makes EPB possible. CAN is mandatory for 2008 models, and most of the wiring, sensors and switches needed for EPB already will be installed for other items. Eventually we'll see them on almost any make of car - not just luxury models.īecause the Controller Area Network (CAN) communications bus essentially turns a vehicle into one big integrated network, we won't have long to wait. To unlock the brakes for service and to prevent nasty surprises while working on the vehicle, make sure your technician customers know how the control unit "thinks" and how to disable it.Įlectronic parking brakes (EPB) are currently made by Continental-Teves (ATE), Aisin and TRW, and soon Siemens VDO, Bosch, Delphi and possibly others will join the market. Some apply the brake in park some apply the brake when the vehicle comes to a full stop, when the trunk lid is open or under several other scenarios. The driver can still apply or release the brake with a button, but these systems can also operate automatically. However, in a short-but-growing list of vehicles, an electronic control unit operates the parking brake. On most cars, there's a direct mechanical linkage between the driver and the parking brake. Ideally the driver will do both, but if everything is working properly, either one of these will do the job. When parking a car, there are two ways to make it stay put: shift into park (or shift a manual transmission into gear) or set the parking brake. How to properly service and repair a variety of different vehicle manufacturer's EPB systems.The proper tools required to safely service and repair EPBs.How the two types of Electronic Parking Brake (EPB) configurations function.This article has been updated from its original 2007 version. ![]()
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