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Home >> Subaru >> 2021 >> Ascent Base >> Repair and Diagnosis >> Heating, Ventilation & A/C (HVAC) >> HVAC Control Systems >> HVAC System (Diagnostics) >> Inspection Mode >> Procedure >> Inspection Mode 4

Inspection Mode 4

Code Description & trouble part Note
B14CA SEAT VENTILATION SYSTEM BLOWER SIGNAL BATTERY CIRCUIT OPEN SHORT (LH SIDE) Model with seat ventilation
B14CB SEAT VENTILATION SYSTEM BLOWER SIGNAL BATTERY CIRCUIT OPEN SHORT (RH SIDE) Model with seat ventilation

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. Operate the seat ventilation.
  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.