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Home >> Lincoln >> 2018 >> MKZ Select, AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 565 (Four-Wheel Drive Systems) >> Diagnosis And Testing >> Four Wheel Drive (4WD) Systems - 2-Speed Torque-On-Demand >> Pinpoint Tests >> Pinpoint Test Y : Neutral Flat Tow Functional Test >> Notes

Pinpoint Test Y : Neutral Flat Tow Functional Test: Notes

WARNING: This page is about a different car, the 2017 Lincoln Navigator and 2017 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.

Refer to Four-Wheel Drive System , for schematic and connector information.

Normal Operation 

Neutral flat tow operates by shifting the transfer case shift motor into the NEUTRAL position, locking the transfer case in NEUTRAL. The TCCM sends the transfer case shift motor NEUTRAL position status to the IPC over the HS-CAN.

This pinpoint test is intended to diagnose the following: 

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