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Home >> Volvo >> 2009 >> C30 R-Design, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Engine Control Module (ECM) And Quick Test Tank Systems - Specifications, Other >> Engine Control Module (ECM) (B5254T3; 2007-08, B5254T7; 2008-13) >> Description Of Activation >> Component/Function >> Air Conditioning (A/C) Relay
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Air Conditioning (A/C) Relay

The air conditioning (A/C) relay is activated and supplies power to the air conditioning (A/C) compressor's electromagnetic clutch.

There is an audible clicking sound from the air conditioning (A/C) relay and from the electromagnetic clutch of the air conditioning (A/C) compressor.

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