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Home >> Mercedes Benz >> 1994 >> E420 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls (LH-SFI System) >> Input Devices >> Engine Speed Sensor
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Engine Speed Sensor

Engine speed is delivered to EZL/AKR ignition control unit by crankshaft position sensor in the form of an AC voltage signal. The EZL/AKR ignition control unit processes the AC voltage signal converting it to a square wave signal. The EZL/AKR ignition control unit sends the square wave signal to the LH control unit through Controller Area Network (CAN).

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