DYNAMIC TORQUE CONTROL AWD SYSTEM CALIBRATION


  1. DESCRIPTION


    1. When the 4WD ECU assembly is replaced with a known good one from another vehicle or the acceleration sensor (airbag ECU assembly*1 or yaw rate sensor assembly*2) is replaced, perform calibration.

    2. Follow the chart to perform calibration.

      Part Replaced Necessary Operation
      4WD ECU assembly (When replaced with a known good one from another vehicle) Clear zero point calibration data

      Acceleration sensor (airbag sensor assembly)*1

      Acceleration sensor (yaw rate sensor assembly)*2

      1. Clear zero point calibration data

      2. Perform yaw rate and acceleration sensor zero point calibration

        Click here

      Tech Tips


      • When the 4WD ECU assembly is replaced with a new one, calibration is unnecessary.

      • *1: w/ Optitron Meter Type

      • *2: w/ TFT Meter Type

  2. PERFORM CALIBRATION


    1. Clear the zero point calibration data.


      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 / Utility / Reset Memory.


        Chassis > Four Wheel Drive > Utility
        Tester Display
        Reset Memory

      6. Operate the GTS to clear the data.