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Home >> Toyota >> 2019 >> RAV4 XLE, FWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 58 (Grille Shutter System (HV) - Diagnostic Codes & Symptom Tests) >> GRILLE SHUTTER SYSTEM (for HV Model) >> Grille Shutter does not Operate [02/2019 - 12/2021] >> Procedure

Grille Shutter does not Operate [02/2019 - 12/2021]: Procedure

WARNING: This page is about a different variant/trim than selected.
  1. 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

    Result: 

    NG 

    FOREIGN OBJECT (REMOVE FOREIGN MATTER AND/OR ICE) 

    Result: 

    OK 

    See step  2

  2. CHECK HARNESS AND CONNECTOR (RADIATOR SHUTTER SUB-ASSEMBLY - POWER SUPPLY AND BODY GROUND) 
    1. Disconnect the radiator shutter sub-assembly connector.
      GTY914956Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Front view of wire harness connector
      (to Radiator Shutter Sub-assembly)
    2. Measure the voltage according to the value(s) in the table below.

      Standard Voltage

      Tester Connection Switch Condition Specified Condition
      A50-4 (+B) - Body ground Ignition 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
      A50-1 (GND) - Body ground Always Below 1 Ω

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPAIR OR REPLACE HARNESS OR CONNECTOR 

    Result: 

    OK 

    See step  3

  3. INSPECT RADIATOR SHUTTER SUB-ASSEMBLY 
    1. Disconnect the A radiator shutter sub-assembly connector.
      GTY911515Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      *a Component without harness connected
      (Radiator Shutter Sub-assembly)
    2. Measure the resistance according to the value(s) in the table below.

      Standard Resistance

      Tester Connection Condition Specified Condition
      A50-4 (+B) - A-1 (+B) Always Below 1 Ω
      A50-4 (+B) or A-1 (+B) - Body ground Always 10 kΩ or higher
      A50-1 (GND) - A-3 (GND) Always Below 1 Ω
      A50-1 (GND) or A-3 (GND) - Body ground Always 10 kΩ or higher

      Result

      Proceed to
      OK
      NG

    Result: 

    NG 

    REPLACE RADIATOR SHUTTER SUB-ASSEMBLY. Refer to  REMOVAL [02/2019 - 12/2021] 

    Result: 

    OK 

    See step  4

  4. READ VALUE USING TECHSTREAM 
    1. Connect the Techstream to the DLC3.
    2. Turn the ignition switch to ON.
    3. Turn the Techstream on.
    4. Enter the following menus: Body Electrical / Grille Shutter / Active Test.
    5. According to the display on the Techstream, perform the Active Test to open and close the grille shutter.

      Body Electrical > Grille 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 -

      Body Electrical > Grille Shutter > Active Test 

      Tester Display
      Shutter Closing Operation Lock Detection

      Body Electrical > Grille Shutter > Active Test 

      Tester Display
      Shutter Opening Operation Lock Detection
    6. Enter the following menus: Body Electrical / Grille Shutter / Data List.
    7. Read the Data List according to the display on the Techstream.

      Body Electrical > Grille 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      		 -

      Body Electrical > Grille Shutter > Data List 

      Tester Display
      Shutter Operation Lock Detection Result for Active Test

      OK

      "Normal" is displayed on the Techstream.

      Result

      Proceed to
      OK
      NG

    Result: 

    OK 

    USE SIMULATION METHOD TO CHECK. Refer to  HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] 

    Result: 

    NG 

    See step  5

  5. CHECK RADIATOR SHUTTER SUB-ASSEMBLY 
    1. Remove the radiator shutter sub-assembly.

      Refer to REMOVAL [02/2019 - 12/2021]

    2. Remove the swing grille actuator assembly.

      Refer to DISASSEMBLY [11/2018 - 12/2021]

    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

    Result: 

    OK 

    REPLACE SWING GRILLE ACTUATOR ASSEMBLY. Refer to  DISASSEMBLY [11/2018 - 12/2021] 

    Result: 

    NG 

    REPLACE RADIATOR SHUTTER SUB-ASSEMBLY. Refer to  REMOVAL [02/2019 - 12/2021] 

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