Expedition 4WD V8-281 4.6L SOHC (1998)
Power Seat Control Module: Description and Operation
Memory Seat Module
Driver Seat Module
The power driver seat and power outside rear view mirrors are controlled by the Driver Seat Module (DSM) only when the vehicle is equipped with the
programmable/recall memory option.
The DSM system consists of the following components:
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Driver seat module.
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Driver memory seat switch.
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Memory mirror switch.
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Memory set switch.
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Front vertical seat motor.
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Rear vertical seat motor.
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Driver horizontal seat motor.
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LH heated memory mirror.
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RH heated memory mirror.
The DSM incorporates multiple functions into one module and offers diagnostics to easily locate and repair concerns affecting the subsystems that it
controls.
