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Home >> Subaru >> 2021 >> Forester Base >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (Diagnostics) (2 Of 4) >> Diagnostic Procedure With Diagnostic Trouble Code (DTC) >> DTC P05A1: Active Grille Air Shutter "A" Position Sensor Minimum/Maximum Stop Performance >> Notes

DTC P05A1: Active Grille Air Shutter "A" Position Sensor Minimum/Maximum Stop Performance: Notes

1. - 

DTC detecting condition: 

Detected when two consecutive driving cycles with fault occur.

NOTE: After the faulty parts are repaired or replaced, perform the final check in Basic Diagnostic Procedure. Ref. to ENGINE (DIAGNOSTICS) (H4DO)>BASIC DIAGNOSTIC PROCEDURE>PROCEDURE .
  1. CHECK ACTIVE GRILLE SHUTTER  .

    Check the area around the active grille shutter louver, louver link and actuator.

    Is there any abnormality such as a foreign matter adhered or pinched and a frost?

    Yes  : Remove the foreign matter from the active grille shutter and go to the next step. Go to  2 .

    No  : Go to  2 .

  2. CHECK ACTIVE GRILLE SHUTTER  .
    1. Disconnect the ground terminal from battery sensor.

      Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .

    2. Remove the front bumper.

      Ref. to EXTERIOR/INTERIOR TRIM>FRONT BUMPER>REMOVAL .

    3. Check the area around the active grille shutter louver, louver link and actuator.

    Is there any damage in each part of the active grille shutter?

    Yes  : Replace the active grille shutter. Ref. to COOLING (H4DO)>ACTIVE GRILLE SHUTTER .

    No  : Go to  3 .

  3. CHECK ACTIVE GRILLE SHUTTER  .
    1. Connect the ground terminal to battery sensor.

      Ref. to GROUND TERMINAL REMOVAL OR INSTALLATION .

    2. Wait for approx. 30 seconds with the ignition switch OFF.
    3. Turn the ignition switch to ON.
    4. Perform operation check for the active grille shutter using the Subaru Select Monitor.
      NOTE: For detailed operation procedures, refer to the "Active Test". Ref. to ENGINE (DIAGNOSTICS) (H4DO)>ACTIVE TEST .

    Does the open/close operation finish correctly?

    Yes  : Even if DTC is detected, it has returned to a normal condition at this time.

    NOTE: In this case, it is assumed that the active grille shutter may have temporarily had a foreign matter adhered/pinched or a frost.

    No  : Replace the active grille shutter. Ref. to COOLING (H4DO)>ACTIVE GRILLE SHUTTER .