Prelude L4-2.2L SOHC (1994)
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Wheel Speed Sensor: Description and Operation
WHEEL SPEED SENSOR
The speed sensor is a non-contact type which detects the rotating speeds of the 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.