Passat L4-1984cc 2.0L DOHC (9A) (1990)
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Vehicle Speed Sensor: Description and Operation
Vehicle Speed Sensor
The vehicle speed sensor is located in the instrument cluster. The sensor is a Hall type switch which generates a signal for the CIS-E control unit. The
CIS-E Motronic control unit uses the speed signal to calculate the appropriate correction value for idle speed stabilization.
