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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode 3

Inspection Mode 3

Code Description and trouble part Note
B14A3 REFRIGERANT PRESSURE SENSOR CIRCUIT OPEN -
B14A4 REFRIGERANT PRESSURE SENSOR CIRCUIT SHORT-CIRCUIT -
B14A7 VARIABLE SOLENOID VALVE CIRCUIT -
B14A8 COMPRESSOR BREAK-IN MALFUNCTION LOW REFRIGERANT -
B14EE REFRIGERANT PRESSURE SENSOR CIRCUIT OPEN (HOSE PRESSURE DISCHARGE) -
B14EF REFRIGERANT PRESSURE SENSOR CIRCUIT SHORT-CIRCUIT (HOSE PRESSURE DISCHARGE) -

Diagnostic procedure:

  1. Using the Subaru Select Monitor, perform the clear memory of [Air Conditioner]. Ref. to COMMON (DIAG)>CLEAR MEMORY .
  2. Using the Subaru Select Monitor, read the DTC of [Air Conditioner] to check that there is no DTC displayed. Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs. After solving the DTC, repeat from step 1).
  3. Perform [Variable compressor break-in drive]. Ref. to AIR CONDITIONER>COMPRESSOR>INSTALLATION .
  4. Using the Subaru Select Monitor, read the DTC of [Air Conditioner] to check that there is no DTC displayed. Ref. to AIR CONDITIONER (DIAGNOSTICS)>DIAGNOSTIC TROUBLE CODE (DTC) .
    NOTE: If the DTC is displayed on the screen, the trouble is still present. Perform the diagnosis for the displayed DTCs.