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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 >> Air Conditioner Does Not Stop Even When The Off Switch Is Pressed (Vehicles With Fully Automatic Air Conditioner) >> Trouble Symptom >> Trouble causes

Trouble causes

Step Check Yes No
1 CHECK A/C CONTROL PANEL. 
  1. Turn the ignition switch to ON.
  2. Press the OFF switch of the A/C control panel.
  3. Using Subaru Select Monitor, check the following data in "Read Current Data".

  • Blower Fan Level
  • Variable Flow Change Solenoid Duty (vehicles with variable air conditioner)
  • Fresh/Recircle Air Door Actuator Position Target
 Does "Blower Fan Level" indicate 0, "Variable Flow Change Solenoid Duty" indicate 0% and "Fresh/Recircle Air Door Actuator Position Target" indicate 100% respectively? Go to step 2  . Replace the A/C control panel. Refer to REMOVAL .
2 CHECK BLOWER MOTOR. 
With the OFF switch pressed, check the blower motor operation.		 Is the blower motor stopped? Go to step 3  . Refer to AIR GOES OUT OF CONTROL .
3 CHECK INTAKE DOOR ACTUATOR. 
With the OFF switch pressed, check the FRESH/RECIRC door operation.		 Does the FRESH/RECIRC door set to FRESH? Go to step 4  . Refer to UNABLE TO SWITCH SUCTION VENTS .
4 CHECK COMPRESSOR. 
With the OFF switch pressed, check the compressor operation.		 Is the compressor stopped? System is normal. Refer to COLD AIR DOES NOT COME OUT EVEN WHEN THE A/C SWITCH IS PRESSED. THE GLASS CANNOT BE DEFOGGED (COMPRESSOR DOES NOT OPERATE (VARIABLE)) .
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