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Home >> Lincoln >> 2010 >> MKS Base, AWD >> Repair and Diagnosis (Single Page) >> Transmission >> Transfer Case >> Transfer Case - Four Wheel Drive (4WD) Systems >> Diagnosis And Testing >> Four Wheel Drive (4WD) Systems >> Pinpoint Tests >> Pinpoint Test A: All-Wheel Drive (AWD) System Functional Test >> Normal Operation
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Normal Operation

The All-Wheel Drive (AWD) system continuously monitors vehicle conditions and automatically adjusts the torque distribution between the front and rear wheels. During normal operation, most of the torque is delivered to the front wheels. If wheel slip between the front and rear wheels is detected, or if the vehicle is under heavy acceleration, the AWD  system increases torque to the rear wheels to prevent or control wheel slip. When the AWD  system is functioning properly, there should be no perceived speed difference between the front and rear axles when launching or driving the vehicle on any uniform surface. Traction should be similar to a part time Four-Wheel Drive (4WD) system in 4H (4X4 HIGH), but have no binding in turns.

This pinpoint test is intended to diagnose the following: 

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