Home >> Subaru >> 2013 >> Legacy Premium, Automatic CVT Trans >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Auto Ac) (Diagnostics) >> Diagnostics with Phenomenon >> Diagnostic Procedure With Phenomenon >> Nothing Is Displayed On The Screen Or Indicators Do Not Illuminate >> Trouble Symptom >> Trouble causes