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Home >> Acura >> 1989 >> Integra LS, 2D Hatchback, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Theory/Operation - 4-CYL >> Computerized Engine Controls >> Input Devices >> A/C Switch Signal

A/C Switch Signal

This switch signals the ECU when there is a demand for air conditioning. The ECU will then change engine RPM to compensate for the extra load.