Test A: All Wheel Drive (AWD) System Functional Test
Pinpoint Test A: All Wheel Drive (AWD) System Functional TestRefer to Vehicle/Diagrams, Four-Wheel Drive System for schematic and connector information.
NOTE: Carry out Steps 1 through 7 outlined in Inspection and Verification before carrying out this pinpoint test.
Normal Operation
The 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.
This pinpoint test is intended to diagnose the following:
^ An AWD system concern without on-demand or continuous DTCs present.