Explorer 2WD V6-4.0L VIN K Flex Fuel (2002)
General Module: Description and Operation
Principles of Operation (How Does It Work?)
Central Security Module
The central security module controls the following features:
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remote keyless entry system
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computer-operated lock system
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perimeter anti-theft system
Generic Electronic Module (Gem)
NOTE: Upon installation of a new GEM, the module must be reconfigured. Refer to Module Communications Network (Information Bus).
The Generic Electronic Module (GEM) constantly monitors its subsystems for concerns. If a concern is found in one of the subsystems, the GEM will
record the concern in the form of a Diagnostic Trouble Code (DTC). The ignition switch position is very important to the GEM function. Often times,
erratic or unexpected GEM function can be traced to problems with ignition switch inputs.
The GEM controls the following features:
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wipers and washers (front and rear)
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warning chime
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battery saver
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illuminated entry and courtesy lamps
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driver one-touch down power window
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accessory delay relay
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autolamps
