Crown Victoria V8-281 4.6L SFI (1998)
Air Bag Electronic Crash Sensor: Description and Operation
Air Bag Electronic Crash Sensor (ECS) Module
The air bag Electronic Crash Sensor (ECS) module:
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discriminates between events that warrant frontal air bag deployment and events that do not.
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provides current to the inflators to deploy the air bags in the event of a deployable crash.
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monitors the air bag Supplemental Restraint System (SRS) for faults.
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illuminates the air bag indicator if a fault is detected.
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flashes the air bag indicator to indicate the Lamp Fault Code (LFC) detected.
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communicates through the Data Link Connector (DLC) the current and historical Diagnostic Trouble Codes (DTCs).
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activates a chime if the air bag indicator is not available.
Several important features of the ECS and its functions within the system are described. See: Air Bag System Functions It is necessary that these key
features and functions are well understood.
