Cavalier L4-2.2L VIN 4 (1998)
Vehicle Speed Sensor: Description and Operation
The Vehicle Speed Sensor (VSS) is a permanent magnet generator in the transaxle which sends an AC voltage signal to the PCM, which the PCM
converts to Kilometers Per Hour (km/h) and Miles Per Hour (MPH). There are several different types of vehicle speed sensors.
Refer to Automatic Transmission for more information.
