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Home >> Buick >> 1993 >> Roadmaster Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Electronic Control Module (ECM) >> Arithmetic Logic Unit (ALU)

Arithmetic Logic Unit (ALU)

This internal component of the ECM converts electrical signals, received by ECM from various engine sensors, into digital signals for use by the CPU.

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