Crown Victoria V8-4.6L CNG SOHC VIN 9 (1999)
Multifunction Electronic Control Module: Description and Operation
The multifunction modules consist of the following:
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Air Suspension Control Module
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Driver Door Module (DDM)
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Lighting Control Module (LCM)
The air suspension control module is linked to its own Data Link Connector (DLC). The air suspension control module controls the air suspension and
the Electronic Variable Orifice (EVO) steering.
The Driver Door Module (DDM) is connected on the International Standards Organization (ISO) 9141 communication network. The DDM controls
many functions including power windows, power door locks and remote keyless entry.
The Lighting Control Module (LCM) is connected on the ISO 9141 communication network. The LCM controls both interior and exterior lighting, back
lighting, the battery saver and warning chimes.
