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Home >> Ford >> 2011 >> Expedition EL 4WD >> Repair and Diagnosis >> Steering >> Steering Column >> Diagnosis And Testing >> Steering Column >> Pinpoint Tests >> Pinpoint Test B: The Tilt Adjustment is Inoperative - Using the Memory Set Switch/Using the Remote Transmitter/Using the Easy Entry/Exit Feature >> Normal Operation
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Normal Operation

To move the power tilt column to position 1, the memory SET switch provides a voltage signal to the Driver Seat Module (DSM) through circuit CPS15 (VT/WH). The DSM  then sends voltage to the power tilt motor through circuits CPP04 (GY) and CPP05 (WH/VT) depending on the current column position. To move the power tilt column to position 2, the memory SET switch provides a voltage signal to the DSM  through circuit CPS16 (YE).

The DSM  sends voltage to the power tilt motor through circuits CPP04 (GY) and CPP05 (WH/VT) depending on the current column position. The DSM  uses a Hall-effect position sensor, attached to the column motor assembly, to identify the current column position. The DSM  sends a reference voltage along circuit VPP17 (VT/BN), through the Hall-effect position sensor and back to the DSM  along the signal return circuit, RPP06 (GN).

The power tilt motor and Hall-effect position sensor assembly are not serviceable. If a new assembly is needed then a new steering column must be installed.

This pinpoint test is intended to diagnose the following: 

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