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GRILLE SHUTTER SYSTEM Grille Shutter does not Operate

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DTC Code DTC Name
  Grille Shutter does not Operate
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DESCRIPTION

The swing grille actuator assembly receives signals from the ECM, hybrid vehicle control ECU and air conditioning amplifier assembly via CAN communication. Based on these signals, the swing grille actuator assembly operates the radiator shutter sub-assembly.

Table 1. *a from Auxiliary Battery *b GRILL SHUTTER *c Swing Grille Actuator Assembly
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WIRING DIAGRAM

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CAUTION / NOTICE / HINT

Note:

  • Before performing troubleshooting, change the grille shutter control mode to maintenance mode.

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  • If the swing grille actuator assembly has been replaced with a new one, perform initialization and change the grille shutter control mode.

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PROCEDURE


  1. Click here

    CHECK FOR FOREIGN OBJECT


    1. Check that the radiator shutter sub-assembly is free of foreign matter and ice.

      OK
      The radiator shutter sub-assembly is free of foreign matter and ice.
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      FOREIGN OBJECT (REMOVE FOREIGN MATTER AND/OR ICE)

  2. Click here

    CHECK HARNESS AND CONNECTOR (SWING GRILLE ACTUATOR ASSEMBLY - POWER SUPPLY AND BODY GROUND)


    1. B004YRZC08
      *a

      Front view of wire harness connector

      (to Swing Grille Actuator Assembly)

      Disconnect the A83 swing grille actuator assembly connector.

    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage
      Tester Connection Condition Specified Condition
      A83-4 (+B) - Body ground Power switch off 11 to 14 V

    3. Measure the resistance according to the value(s) in the table below.

      Standard Resistance
      Tester Connection Condition Specified Condition
      A83-1 (GND) - Body ground Always Below 1 Ω
      Result
      Proceed to
      OK
      NG

    • OKClick here
    • NG

      REPAIR OR REPLACE HARNESS OR CONNECTOR

  3. Click here

    READ VALUE USING GTS


    1. Connect the GTS to the DLC3.

    2. Turn the power switch on (IG).

    3. Turn the GTS on.

    4. Enter the following menus: Body Electrical / Grill Shutter / Active Test.

    5. According to the display on the GTS, perform the Active Test to open and close the grille shutter.


      1. Body Electrical > Grill Shutter > Active Test
        Tester Display Measurement Item Control Range Diagnostic Note
        Shutter Closing Operation Lock Detection Function to perform a closing operation until motor lock is detected and the motor stops OFF/Close -
        Shutter Opening Operation Lock Detection Function to perform an opening operation until motor lock is detected and the motor stops OFF/Open -




      1. Body Electrical > Grill Shutter > Active Test
        Tester Display
        Shutter Closing Operation Lock Detection





      1. Body Electrical > Grill Shutter > Active Test
        Tester Display
        Shutter Opening Operation Lock Detection




    6. Enter the following menus: Body Electrical / Grill Shutter / Data List.

    7. Read the Data List according to the display on the GTS.


      1. Body Electrical > Grill Shutter > Data List
        Tester Display Measurement Item Range Normal Condition Diagnostic Note
        Shutter Operation Lock Detection Result for Active Test Result of Active Test Shutter Closing Operation Lock Detection and Shutter Opening Operation Lock Detection Normal, Open Error or Close Error

        Normal: Normal lock detected

        Open Error: Lock detected in abnormal position while performing Active Test Shutter Opening Operation Lock Detection

        Close Error: Lock detected in abnormal position while performing Active Test Shutter Closing Operation Lock Detection

        		 -



      1. Body Electrical > Grill Shutter > Data List
        Tester Display
        Shutter Operation Lock Detection Result for Active Test




      OK
      "Normal" is displayed on the GTS.
      Result
      Proceed to
      OK
      NG

  4. Click here

    CHECK RADIATOR SHUTTER SUB-ASSEMBLY


    1. Remove the radiator shutter sub-assembly.

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    2. Remove the swing grille actuator assembly.

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

      OK
      The radiator shutter sub-assembly moves smoothly.
      Result
      Proceed to
      OK
      NG

    • OK

      REPLACE SWING GRILLE ACTUATOR ASSEMBLYClick here

    • NG

      REPLACE RADIATOR SHUTTER SUB-ASSEMBLYClick here