Front Wheel Speed Sensor: Description

Fig 1: Identifying Front Wheel Speed Sensor Components

Courtesy of DAIMLERCHRYSLER CORP.

A wheel speed sensor is used at each wheel. The front sensors are mounted to the steering knuckles. Tone wheels are mounted to the outboard ends of the front axle shafts. The gear type tone wheel serves as the trigger mechanism for each sensor. The wheel speed sensor's function is to supply the current wheel speed to the CAB.