Cherokee 4WD L6-4.0L VIN S (1998)
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Vehicle Speed Sensor/Transducer - Cruise Control: Description and Operation
SYSTEM OPERATION
The Vehicle Speed Sensor (VSS) is a pulse generator mounted to an adapter near the transmission output shaft. The sensor is driven through the
adapter by a speedometer pinion gear. The VSS pulse signal to the speedometer/odometer is monitored by the PCM speed control circuitry to
determine vehicle speed and to maintain speed control set speed.