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Home >> Volvo >> 2002 >> S40 >> Repair and Diagnosis >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Output Signals >> A/C Compressor Clutch
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A/C Compressor Clutch

A/C compressor clutch relay is controlled by the ECM based on input from the climate control system. For circuit details, see AIR CONDITIONING wiring diagrams in SYSTEM WIRING DIAGRAMS.