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Home >> Acura >> 2003 >> 3.2CL Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> Theory and Operation >> Engine Controls - Theory & Operation >> Computerized Engine Controls >> Input Devices >> A/C Pressure Switch
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A/C Pressure Switch

A/C pressure switch signals PCM when A/C is on. PCM uses this input to control Idle Air Control (IAC) valve and adjust engine idle to compensate for extra engine load.

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