Trooper (4 Door) V6-3165cc 3.2L SOHC (6VD1) (1993)
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Wheel Speed Sensor: Description and Operation
Four Wheel Antilock Brakes
WHEEL SPEED SENSOR
It consists of a sensor and a rotor. The sensor is attached to the knuckle on the front wheels and to the axle shaft bearing holder on the rear wheels. The
rotor is press-fit in the axle shaft on the front and rear wheels respectively.
The flux generated from electrodes magnetized by a magnet in the sensor varies due to rotation of the rotor, and the electromagnetic induction
generates alternating voltage in the coil. This voltage draws a "sine curve" with the frequency proportional to rotor speed and it allows detection of
wheel speed.