Home >> Ford >> 2013 >> Focus S, Standard Trans, Gas >> Repair and Diagnosis (Single Page) >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> Climate Control System -- Except Electric >> Diagnosis and Testing >> Climate Control System - Vehicles With: Electronic Manual Temperature Control (EMTC) >> Diagnostic Routine(s) >> The Air Conditioning (AC) Is Always On - AC Mode Always Commanded On >> Possible Sources