DYNAMIC TORQUE CONTROL AWD SYSTEM AWD Warning Light does not Come ON

DESCRIPTION

Refer to "AWD Warning Light Remains ON".

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WIRING DIAGRAM

Refer to "AWD Warning Light Remains ON".

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CAUTION / NOTICE / HINT

Note

When the 4WD ECU assembly is replaced with a normal one from another vehicle, it is necessary to perform calibration.

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Tech Tips

Check the condition of each related circuit connector before troubleshooting.

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PROCEDURE


  1. CHECK CAN COMMUNICATION SYSTEM


    1. Check if the CAN communication system DTC is output.

      for LHD: Click here

      for RHD: Click here

      Result
      Proceed to
      CAN communication system DTC is not output
      CAN communication system DTC is output

      Tech Tips

      When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor.


    CAN communication system DTC is output
    CAN communication system DTC is not output
  2. INSPECT AWD WARNING


    1. Turn the engine switch off.

    2. Connect the GTS to the DLC3.

    3. Turn the engine switch on (IG).

    4. Turn the GTS on.

    5. Enter the following menus: Chassis / Four Wheel Drive / Active Test

    6. According to the display on the GTS, perform the Active Test.


      Chassis > Four Wheel Drive > Active Test
      Tester Display Measurement Item Control Range Diagnostic Note
      4WD Warning Light AWD warning (multi-information display) Warning ON/OFF Observe the multi-information display.
    7. When performing the 4WD Warning Light Active Test, check 4WD Warning Light in the Data List.


      Chassis > Four Wheel Drive > Data List
      Tester Display Measurement Item Range Normal Condition Diagnostic Note
      4WD Warning Light AWD warning (multi-information display) ON or OFF

      ON: Warning on

      OFF: Warning off

      -

      Chassis > Four Wheel Drive > Active Test
      Active Test Display
      4WD Warning Light
      Data List Display
      4WD Warning Light
      Result
      Proceed to
      Does not change between ON and OFF
      Changes between ON and OFF

    Does not change between ON and OFF
    Changes between ON and OFF