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 known good 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 CAN communication system DTCs are output.

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      Result
      Result Proceed to
      CAN communication system DTCs are not output A
      CAN communication system DTCs are output B

      Tech Tips

      If CAN communication DTCs are output, perform troubleshooting for the CAN communication system first.


    B

    GO TO CAN COMMUNICATION SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here

    A

  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
      Result Proceed to
      Data List item 4WD Warning Light does not change according to the operation of the Active Test A
      Data List item 4WD Warning Light changes according to the operation of the Active Test B

    A

    REPLACE 4WD ECU ASSEMBLY Click here

    B

    GO TO METER / GAUGE SYSTEM (HOW TO PROCEED WITH TROUBLESHOOTING) Click here