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Home >> Volvo >> 2004 >> S40 T-5, Standard >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Ignition And Engine Control Systems - Specifications, Other (544 Body) >> Vehicle Communication Information, Engine Control Module (ECM) (B5244S4; 2004-2010) >> Description Of Parameters >> Parameter, Status >> Air Conditioning (A/C) Compressor, Active
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Air Conditioning (A/C) Compressor, Active

The deployment signal from the engine control module (ECM) to the air conditioning (A/C) compressor relay.

OFF = The engine control module (ECM) does not activate the air conditioning (A/C) compressor relay.

ON = The engine control module (ECM) activates the air conditioning (A/C) compressor relay.

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