![]() Can also retard engine timing to reduce power applied to the driveline (to prevent breakage of driveline parts). It applies the brakes to stop a spinning wheel. When one of the wheels begins to slip, TRAC applies a wheel brake individually to the tire without traction and reduces engine output to help assist the driver with control of the vehicle in a straight line.ĪTRAC - Or A-TRAC, this is Toyota's Active Traction Control. ![]() TRAC - Traction Control helps maintain traction on wet, icy, loose or uneven surfaces. A modern 4-Channel ABS system can individually brake each wheel as needed, and monitors all four wheel speeds in relation to each other. Prevents wheel lockup during braking to keep control over directional changes while braking hard or in a panic situation. Here’s how Toyota have enabled us to keep traction in slippery situations.ĪBS - Antilock Braking System. The best description of an open differential ever But not so great if a wheel loses driving traction, because the differential will send all of its torque to the spinning wheel and not push the truck forward. Great for turns, when the outside wheel has to spin faster than the inside wheel. An open differential sends power down the path of least resistance. ![]() Typically, engine torque is distributed to the rear wheels through an open differential. Perhaps this can help clear some things up. I haven’t found a cohesive and definitive description of how traction control works, just a bunch of splintered threads where people ask one-off questions and get individual answers.
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