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Wheel Speed Sensor

NOTE: Any time a wheel speed sensor is removed, thoroughly clean the mounting surfaces. Apply high-temperature grease to the front wheel speed sensors when installing.

The ABS uses three variable-reluctance sensors to determine vehicle speed. The wheel speed sensors operate on a magnetic induction principle. As the teeth on the wheel speed sensor indicator rotate past the stationary sensor, a signal proportional to the speed of the rotation is generated and sent to the ABS control module through a twisted cable.

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