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Home >> Volvo >> 2009 >> C30 T-5, Standard >> Repair and Diagnosis >> 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 Parameters >> Parameter, Status >> Air Conditioning (A/C) Pressure Switch

Air Conditioning (A/C) Pressure Switch

The engine control module (ECM) calculates the value from the signal from the air conditioning (A/C) pressure switch.

OFF = Engine control module (ECM) allows start up of compressor.

ON = Engine control module (ECM) does not allow start up of compressor.