Vehicle Skid Control (VSC) is now available on six Toyota Division models. Toyota developed a VSC system that relies on electronics to help control a vehicle when a loss of traction is imminent. Toyota offers VSC as standard equipment on Land Cruiser, Sequoia, and 4Runner sport utility vehicles (SUVs). VSC is also offered as optional equipment on Sienna minivan, Avalon full-size sedan, and the Highlander SUV.
VSC senses the onset of traction loss and helps the driver stay on track. This is achieved via the system's ability to reduce engine power and to control the brake actuator. While other Toyota systems such as antilock braking systems (ABS) and traction control (TRAC), help prevent straight-line skids, VSC helps avoid the loss of control up to the physical limits of the traction available under lateral skidding conditions.
VSC harnesses ABS and TRAC sensors, actuators, and computer electronics to help the driver avoid vehicle skids and spins. Using input from four wheel-speed sensors, a directional sensor, a deceleration sensor, and a steering wheel angle sensor, the VSC computer uses engine throttle control and individual wheel braking to help counteract skidding and spinning. VSC also includes a slip indicator with a warning sound and light to alert the driver that the tires are about to exceed the grip limit.
Other Toyota models will have VSC technology in the future.