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Home >> Volvo >> 2010 >> C30 T-5, Standard >> Repair and Diagnosis >> Engine Mechanical >> Fuel System >> Engine Control Module (ECM) And Quick Test Tank Systems - Specifications, Other >> Engine Control Module (ECM) (B5244S4; 2007-10) >> Description Of Reading Off Extended Diagnostic Trouble Code (DTC) Information >> Description Of Frozen Values >> A/C Request
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A/C Request

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

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

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