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Home >> Chevrolet >> 1992 >> APV >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls (Gasoline) >> Electronic Control Module (ECM) >> Arithmetic Logic Unit (ALU)

Arithmetic Logic Unit (ALU)

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