Variable Gear Ratio Steering System Dtc Check / Clear

Steering. Lexus Gs430, Gs300. Uzs190 Grs190
Steering Column. Lexus Gs430, Gs300. Uzs190 Grs190
  1. DTC CHECK (USING INTELLIGENT TESTER)

  1. DTC CHECK (USING SST CHECK WIRE)

Variable Gear Ratio Steering System -- Dtc Check / Clear



DTC CHECK (USING INTELLIGENT TESTER)
HINT:
If the DTC check/clear is performed using the intelligent tester, 2-digit codes will also be displayed on the multi-information display.


  1. Check for DTCs.



      Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System.Variable Gear Ratio Steering System  Dtc Check / Clear
    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG) and turn the intelligent tester on.

    3. Check the DTCs by following the prompts on the tester screen. (5-digit DTCs only will be displayed.)

      HINT:
      Refer to the intelligent tester's operator's manual for further details.
  2. Clear the DTCs.

    1. Connect the intelligent tester to the DLC3.

    2. Turn the engine switch on (IG).

    3. Clear the DTCs by following the prompts on the tester screen.

      HINT:
      Refer to the intelligent tester's operator's manual for further details.

DTC CHECK (USING SST CHECK WIRE)
HINT:
The master warning light comes on in diagnostic mode.


  1. Check for DTCs.



      Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System.Variable Gear Ratio Steering System  Dtc Check / Clear
    1. Using SST check wire, connect terminals TC and CG of the DLC3.

      SST
      09843-18040
    2. Turn the engine switch on (IG).

    3. "DIAG VGRS" is displayed on the multi-information display and the system starts searching for a malfunction.



    4. Lexus Gs430, Gs300. Uzs190 Grs190
    5. If the system is normal, "DIAG VGRS OK" is displayed.



    6. Lexus Gs430, Gs300. Uzs190 Grs190
    7. If the system has a malfunction, "DIAG VGRS xx" is displayed. ("xx" is a 2-digit DTC.)



  2. Clear the DTCs.

    1. Turn the engine switch on (IG).



    2. Lexus Gs430, Gs300. Uzs190 Grs190.Steering Column.Steering System.Variable Gear Ratio Steering System  Dtc Check / Clear
    3. Using SST check wire, connect and disconnect terminals TC and CG of the DLC3 4 times within 8 seconds.

      SST
      09843-18040
    4. Disconnect SST check wire from the DLC3.

      NOTICE:
      The stored yaw rate sensor value will be cleared by the above operation.
      Obtain the yaw rate sensor zero point.
    5. Turn the engine switch off.

      HINT:
      If the problem still exists, DTCs may not be cleared (Click here).
    6. Obtain the yaw rate sensor zero point.