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Home >> Jeep >> 1990 >> Cherokee Laredo, 2D Utility, Standard >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Input Devices >> A/C Controls

A/C Controls

Tells ECU that the A/C is on, and indicates when the compressor clutch needs to be engaged. ECU changes engine idle speed to compensate increased engine load during compressor operation.