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Home >> Lincoln >> 2020 >> Aviator Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transmission Control Systems >> Four-Wheel Drive Systems >> Description And Operation >> Four-Wheel Drive Systems - Vehicles Built Up To: 15-August-2020 - System Operation and Component Description >> Component Description >> Front Halfshaft Speed Sensor
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Front Halfshaft Speed Sensor

GFD533194Courtesy of FORD MOTOR COMPANY

The sensor measures front differential ring gear speed.

If the front axle disconnect actuator is connected, then the sensor measured RPM will be the same as the average halfshaft speed.

If the front axle disconnect actuator is disconnected, the sensor value reflects only differential ring gear speed which can be used to calculate front drive shaft speed.