D 250 Pickup L6-359 5.9L DSL (1992)
Vehicle Speed Sensor: Description and Operation
Vehicle Distance Sensor
LOCATION
This sensor is located in the extension housing of the transfer case (4WD) or the extension housing of the transmission (2WD).
PURPOSE
The electronic controller uses this input signal, along with the Engine Speed Sensor and the Throttle Position Sensor's (TPS) signal to determine
when to shift into or out of overdrive.
The sensor is also used to determine speed control DECELERATE, SET, ACCELERATE, minimum set speed (35 mph), and maximum set speed
(85 mph).
