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Home >> Mercury >> 1994 >> Villager LS >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> A/C Compressor Clutch Signal

A/C Compressor Clutch Signal

When battery voltage is supplied to A/C compressor clutch, PCM receives a signal, which it uses to increase engine idle speed to compensate for A/C compressor load.

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