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Operation - Traction Control: Notes

WARNING: This page is about a different car, the 2005 Dodge Stratus and 2005 Chrysler Sebring. However, it is still accessible from the selected car via links, so may be relevant.

The Brake Traction Control System (BTCS) monitors wheel speed. During acceleration, if the ABM detects front (drive) wheel slip and the brakes are not applied, the system enters traction control mode. Traction control operation proceeds in the following order:

  1. Close the normally open isolator valves.
  2. Start the pump/motor and supply volume and pressure to the front (drive) hydraulic circuit. (The pump/motor runs continuously during traction control operation.)
  3. Open and close the build and decay valves to maintain minimum wheel slip and maximum traction.

    4. The cycling of the build and decay valves during traction control is similar to that during antilock braking, except the valves work to control wheel spin by applying the brakes, whereas the ABS function is to control wheel skid by releasing the brakes.

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