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Wheel Speed Sensor|Testing and Inspection > < Brake Fluid Pressure Sensor/Switch|Description and Operation
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Wheel Speed Sensor: Description and Operation

WHEEL SPEED SENSOR 

The speed sensor is the contactless type that detects the rotating speeds of a wheel. It is composed of a permanent magnet and coil. When the gear
pulsers at each wheel turn, the magnetic coil in the speed sensor alternates, generating voltages with frequency in proportion to wheel rotating speed.

Wheel Speed Sensor|Testing and Inspection > < Brake Fluid Pressure Sensor/Switch|Description and Operation