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Home >> Audi >> 1993 >> 90 CS, 2.8 J, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> Additional Signals
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Additional Signals

MPI ECM manages a wide variety of information. The control unit is connected to other electronic units or system components in vehicle by means of data lines.

These extra signals are used to exchange information between the different systems. For example, the following components are connected to the MPI ECM: