GRILLE SHUTTER SYSTEM, Diagnostic DTC:B1330

DTC Code DTC Name
B1330 Shutter Control Malfunction

DESCRIPTION

An ECU and motor are built into the swing grille actuator assembly. The operation state of the grille shutter is determined using the motor pulse signal.

When the ECU determines that there is a grille shutter timing angle malfunction or operation time malfunction, DTCs are stored.

DTC Code DTC Detection Condition Trouble Area Relevant ECU
B1330

When either of the following mechanical malfunctions is detected:


  • Timing angle malfunction

  • Operation time malfunction

  • Swing grille actuator assembly

  • Radiator shutter sub-assembly

 Swing grille actuator assembly

CAUTION / NOTICE / HINT

Note


  • Before performing troubleshooting, check for ice, etc. around the fins and links.

  • If the swing grille actuator assembly is replaced with a new one, it is necessary to perform "Change Radiator Shutter Control State" Click here.

PROCEDURE


  1. PERFORM ACTIVE TEST USING GTS (SHUTTER OPERATION)


    1. Using the GTS, perform the Active Test Click here.

      Grille Shutter
      Tester Display Test Part Control Range Diagnostic Note
      Shutter Closing Operation Lock Detection Grille shutter Close or OFF Closing operation performed until motor stops due to lock detection.
      Shutter Opening Operation Lock Detection Grille shutter Close or OFF Opening operation performed until motor stops due to lock detection.

    NEXT

  2. READ VALUE USING GTS (RESULT FOR ACTIVE TEST)


    1. Using the GTS, read the Data List Click here.

      Grille Shutter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Shutter Operation Lock Detection Result Operation result of Active Test / Normal, Open Error or Close Error Normal -
      OK
      The display is as specified in the normal condition column.

    OK

    USE SIMULATION METHOD TO CHECK Click here

    NG

  3. REPLACE SWING GRILLE ACTUATOR ASSEMBLY


    1. Replace the swing grille actuator assembly with a new or normally functioning one Click here.


    NEXT

  4. PERFORM ACTIVE TEST USING GTS (SHUTTER OPERATION)


    1. Using the GTS, perform the Active Test Click here.

      Grille Shutter
      Tester Display Test Part Control Range Diagnostic Note
      Shutter Closing Operation Lock Detection Grille shutter Close or OFF Closing operation performed until motor stops due to lock detection.
      Shutter Opening Operation Lock Detection Grille shutter Close or OFF Opening operation performed until motor stops due to lock detection.

    NEXT

  5. READ VALUE USING GTS (RESULT FOR ACTIVE TEST)


    1. Using the GTS, read the Data List Click here.

      Grille Shutter
      Tester Display Measurement Item/Range Normal Condition Diagnostic Note
      Shutter Operation Lock Detection Result Operation result of Active Test / Normal, Open Error or Close Error Normal -
      OK
      The display is as specified in the normal condition column.

    OK

    END (SWING GRILLE ACTUATOR ASSEMBLY WAS DEFECTIVE)

    NG

    REPLACE RADIATOR SHUTTER SUB-ASSEMBLY Click here