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Home >> Ford >> 2022 >> Transit Connect Titanium, Gas/Ethanol >> Repair and Diagnosis >> External Pages >> Different car >> Section 345 (Four-Wheel Drive Systems (1 Of 2)) >> Diagnosis And Testing >> Four-Wheel Drive Systems - Vehicles With: 2-Speed Torque On Demand Transfer Case >> Pinpoint Tests >> Pinpoint Test D : Four-Wheel Drive (4WD) System Functional Test >> Notes

Pinpoint Test D : Four-Wheel Drive (4WD) System Functional Test: Notes

WARNING: This page is about a different car, the 2020 Ford F-150. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Two Wheel Drive/Four Wheel Drive Systems for schematic and connector information

Normal Operation 

When operating in 4WD modes, the transfer case clutch is energized and both IWEs are locked. When in 4L mode, the transfer case low range gear set provides an additional 2.64 gear reduction. When operating in 2H mode, the transfer case clutch is de-energized and both IWEs are unlocked. The transfer case has certain amount of clutch drag which can cause the front driveshaft to spin even when in 2H mode."

Possible Sources 

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