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Home >> Toyota >> 2021 >> Highlander LE, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 87 (Engine Control System (A25A-FXS) - Diagnostic Codes (P0520-P05A2)) >> SFI System >> DTC P059F-73: Active Grille Air Shutter "A" Actuator Stuck Closed; DTC P05A0-72: Active Grille Air Shutter "A" Actuator Stuck Open [12/2019 - 10/2021] >> Procedure

DTC P059F-73: Active Grille Air Shutter "A" Actuator Stuck Closed; DTC P05A0-72: Active Grille Air Shutter "A" Actuator Stuck Open [12/2019 - 10/2021]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PERFORM UTILITY USING GTS (GRILL SHUTTER CONTROL MODE SWITCHING) 
    1. According to the display on the GTS, change the grille shutter control mode from normal mode to maintenance mode.

      Body Electrical > Grill Shutter > Utility 

      Tester Display
      Grill Shutter Control Mode Switching

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  2

  2. INSPECT GRILLE SHUTTER (FOREIGN MATTER AND ICE) 
    1. Check the area around the shutters and the links of the grille shutter for foreign matter and ice.

      OK

      No foreign matter or ice.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  8

    Result: 

    OK 

    See step  3

  3. PERFORM ACTIVE TEST USING GTS (GRILLE SHUTTER OPERATION) 
    1. According to the display on the GTS, perform the Active Test and read the value of Data List item Shutter Operation Lock Detection Result for Active Test.

      Body Electrical > Grill Shutter > Active Test 

      Active Test Display
      Shutter Closing Operation Lock Detection
      Data List Display
      Shutter Operation Lock Detection Result for Active Test

      OK

      "Normal" is displayed.

    2. According to the display on the GTS, perform the Active Test and read the value of Data List item Shutter Operation Lock Detection Result for Active Test.

      Body Electrical > Grill Shutter > Active Test 

      Active Test Display
      Shutter Opening Operation Lock Detection
      Data List Display
      Shutter Operation Lock Detection Result for Active Test

      OK

      "Normal" is displayed.

      HINT: 

      When the value of Data List item Shutter Operation Lock Detection Result for Active Test is "Normal", it can be determined that the grille shutter system has returned to normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  4

  4. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  5

  5. PERFORM UTILITY USING GTS (GRILL SHUTTER CONTROL MODE SWITCHING) 
    1. According to the display on the GTS, change the grille shutter control mode from maintenance mode to normal mode.

      Body Electrical > Grill Shutter > Utility 

      Tester Display
      Grill Shutter Control Mode Switching
    2. Check for DTCs and make sure that DTC B1333 is not output.

      Body Electrical > Grill Shutter > Trouble Codes 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

  6. PERFORM ACTIVE TEST USING GTS (SWING GRILLE ACTUATOR ASSEMBLY OPERATION) 
    1. Remove the radiator shutter sub-assembly.

      Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]

    2. Remove the swing grille actuator assembly.

      Refer to PROCEDURE - Step 2

    3. Reconnect the swing grille actuator assembly connector.
    4. According to the display on the GTS, perform the Active Test and check the operation of the swing grille actuator assembly.

      Body Electrical > Grill Shutter > Active Test 

      Tester Display
      Shutter Closing Operation Lock Detection

      OK

      Operation is normal.

    5. According to the display on the GTS, perform the Active Test and check the operation of the swing grille actuator assembly.

      Body Electrical > Grill Shutter > Active Test 

      Tester Display
      Shutter Opening Operation Lock Detection

      OK

      Operation is normal.

      HINT: 

      Perform "Grill Shutter Control Mode Switching and Grill Shutter Initialization" after replacing the swing grille actuator assembly.

      Refer to INITIALIZATION [12/2019 - 10/2021]

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE SWING GRILLE ACTUATOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

    Result: 

    OK 

    See step  7

  7. INSPECT RADIATOR SHUTTER SUB-ASSEMBLY (GRILLE SHUTTER OPERATION) 
    1. Remove the radiator shutter sub-assembly.

      Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]

    2. Remove the swing grille actuator assembly.

      Refer to PROCEDURE - Step 2

    3. Manually open and close the radiator shutter sub-assembly and check that it moves smoothly.

      OK

      Radiator shutter sub-assembly moves smoothly.

      HINT: 

      Perform "Grill Shutter Control Mode Switching and Grill Shutter Initialization" after replacing the swing grille actuator assembly or radiator shutter sub-assembly.

      Refer to INITIALIZATION [12/2019 - 10/2021]

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    REPLACE SWING GRILLE ACTUATOR ASSEMBLY 

    Refer to PROCEDURE - Step 2

    Result: 

    NG 

    REPLACE RADIATOR SHUTTER SUB-ASSEMBLY 

    Refer to PROCEDURE - Step 5 [12/2019 - 09/2020] , or refer to PROCEDURE - Step 5 [09/2020 - 10/2021]

  8. REMOVE FOREIGN MATTER OR ICE (CLEAN GRILLE SHUTTER) 
    1. Remove any foreign matter and/or ice from the area around the shutters and the links of the grille shutter.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  9

  9. PERFORM ACTIVE TEST USING GTS (GRILLE SHUTTER OPERATION) 
    1. According to the display on the GTS, perform the Active Test and read the value of Data List item Shutter Operation Lock Detection Result for Active Test.

      Body Electrical > Grill Shutter > Active Test 

      Active Test Display
      Shutter Closing Operation Lock Detection
      Data List Display
      Shutter Operation Lock Detection Result for Active Test

      OK

      "Normal" is displayed.

    2. According to the display on the GTS, perform the Active Test and read the value of Data List item Shutter Operation Lock Detection Result for Active Test.

      Body Electrical > Grill Shutter > Active Test 

      Active Test Display
      Shutter Opening Operation Lock Detection
      Data List Display
      Shutter Operation Lock Detection Result for Active Test

      OK

      "Normal" is displayed.

      HINT: 

      When the value of Data List item Shutter Operation Lock Detection Result for Active Test is "Normal", it can be determined that the grille shutter system has returned to normal.

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    See step  6

    Result: 

    OK 

    See step  10

  10. CLEAR DTC 
    1. Clear the DTCs.

      Powertrain > Engine > Clear DTCs 

    2. Turn the ignition switch off and wait for at least 30 seconds.

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    See step  11

  11. PERFORM UTILITY USING GTS (GRILL SHUTTER CONTROL MODE SWITCHING) 
    1. According to the display on the GTS, change the grille shutter control mode from maintenance mode to normal mode.

      Body Electrical > Grill Shutter > Utility 

      Tester Display
      Grill Shutter Control Mode Switching
    2. Check for DTCs and make sure that DTC B1333 is not output.

      Body Electrical > Grill Shutter > Trouble Codes 

      Result

      Proceed to
      NEXT

    Result: 

    NEXT 

    END 

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