VARIABLE GEAR RATIO STEERING SYSTEM CALIBRATION

Note

Use this procedure to center the steering wheel if:


  • The steering actuator has been replaced.

  • The steering control ECU has been replaced.

  • The steering column or steering intermediate shaft has been disconnected.

  • The steering wheel is still off-center after completing the steering angle sensor initialization.


  1. VGRS SYSTEM CALIBRATION PROCEDURE (WHEN USING SST CHECK WIRE)


    1. FACE TIRES STRAIGHT AHEAD

      Note

      Drive the vehicle to confirm that the steering wheel is centered.


      NEXT

    2. CHECK DTC


      1. Check for DTCs Click here.

        Result
        Result Proceed to
        DTC C1591/51 is not output A
        DTC C1591/51 is output B

        B

        Go to step 4
        A

    3. PERFORM ACTUATOR ANGLE INITIALIZATION


      1. A01GKCJE81

        Start the engine.

      2. Center the steering wheel.

        SST
        09843-18040

      3. Complete the following steps within 1 minute.


        1. Using SST, connect terminals 12 (TS) and 4 (CG), and 13 (TC) and 4 (CG) of the DLC3.

        2. Disconnect SST from terminal 12 (TS) of the DLC3, and turn the steering wheel to the left 180° or more.

        3. Connect SST to terminal 12 (TS) of the DLC3.

        4. Disconnect SST from terminal 13 (TC) of the DLC3, and turn the steering wheel to the right 180° or more.

        5. Connect SST to terminal 13 (TC) of the DLC3.

          Tech Tips

          When the master warning light comes on, DTC C1591/51 is memorized.

      4. Disconnect SST from the DLC3.

      5. Turn the engine switch off.


        NEXT
        Go to step 1

    4. FACE TIRES STRAIGHT AHEAD


      1. Confirm that the steering wheel is centered when facing the tires straight ahead.

        Note

        Drive the vehicle to confirm that the steering wheel is centered.

        Result
        Result Proceed to
        Steering wheel is off-center A
        Steering wheel is centered B

        B

        Go to step 8
        A

    5. UNLOCK STEERING ACTUATOR

      Note

      Do not start the engine.


      1. Disconnect the negative (-) terminal cable from the battery.

      2. A01GJYCE01

        Disconnect the x2 connector from the steering actuator.

      3. Connect a jumper wire from terminal LV to the positive (+) battery terminal and another jumper wire from terminal LG to the negative (-) battery terminal.

        Note

        Do not apply voltage for more than 3 minutes.


        NEXT

    6. STEERING CENTER ADJUSTMENT


      1. Center the steering wheel.

        Note

        If the centering of the spiral cable was not confirmed when the steering wheel was installed, confirm the centering of the spiral cable Click here.


        NEXT

    7. LOCK STEERING ACTUATOR


      1. Disconnect the positive (+) and negative (-) battery terminal cables from the steering actuator.

      2. Connect the x2 connector to the steering actuator.

      3. Connect the negative (-) terminal cable to the battery.

      4. Turn the steering wheel approximately 3° to the left and right. Confirm that the reaction force can be felt.

        Note


        • If the above procedures are not followed correctly, a DTC will be detected. If a DTC is detected, perform the above procedures again and then check for DTCs.

        • Perform these procedures with the engine switch off.


        NEXT
        Go to step 1

    8. ADJUST ACTUATOR ANGLE

      Tech Tips

      Activating and ending test mode will complete actuator angle adjustment.


      1. Make sure the engine switch is off.

        Note

        Do not touch the steering wheel during these procedures.

      2. A01GKCJE80

        Using SST, connect terminals 12 (TS) and 4 (CG) of the DLC3.

        SST
        09843-18040

      3. Turn the engine switch on (IG).

      4. Confirm that the "VGRS TEST MODE" is displayed on the multi-information display when test mode is activated.

        Tech Tips

        Wait approximately 5 seconds.

      5. Turn the engine switch off.

      6. Disconnect SST from terminals 12 (TS) and 4 (CG) of the DLC3.

      7. Turn the engine switch on (IG) again.


        NEXT

    9. CHECK MASTER WARNING LIGHT


      1. Confirm that the master warning light is off.

      2. Turn the engine switch off.

      3. Confirm that the master warning light is operating normally.


        NEXT

    10. CHECK STEERING WHEEL OPERATION


      1. Start the engine.

      2. Perform the steering angle sensor initialization Click here.

      3. Turn the steering wheel from lock to lock and check that it rotates approximately 2.7 turns.

      4. Drive the vehicle and confirm that the steering wheel is centered.


        NEXT
        END

  2. VGRS SYSTEM CALIBRATION PROCEDURE (WHEN USING INTELLIGENT TESTER)


    1. FACE TIRES STRAIGHT AHEAD

      Note

      Drive the vehicle to confirm that the steering wheel is centered.


      NEXT

    2. PERFORM VGRS SYSTEM CALIBRATION


      1. Connect the intelligent tester to the DLC3.

      2. Turn the engine switch on (IG).

      3. Turn the tester on.

      4. Enter the menu items in this order: Chassis / VGRS / Utility / Steering Angle Adjust.

        Then, press "Next".

      5. Follow the instructions on the tester, and press "Next".

        Note

        Press the "Next" key even if DTC C15B4/71 is output.

      6. Follow the instructions on the tester, and press "Next".

      7. Follow the instructions on the tester, and press "Next".

        Note

        Ensure that the engine switch is off.

      8. Follow the instructions on the tester, and press "Next".

      9. Follow the instructions on the tester, and press "Next".

        Note

        If the centering of the spiral cable was not confirmed when the steering wheel was installed, confirm the centering of the spiral cable Click here.

      10. Follow the instructions on the tester, and press "Next".

        Note

        Do not touch the steering wheel during these procedures.

      11. Follow the instructions on the tester, and press "Next".

      12. Follow the instructions on the tester, and press "Next".

        Note

        Do not touch the steering wheel during these procedures.

      13. "NOW CALIBRATING" is displayed and the display switches automatically to the next screen.

        Note

        Do not touch the steering wheel during these procedures.

      14. "Steering Angle Adjust is complete." is displayed. Then, check that VGRS system calibration is completed normally.

      15. Select "Exit" to return the display to the "MENU" screen.


        NEXT

    3. CHECK MASTER WARNING LIGHT


      1. Confirm that the master warning light is off.

      2. Turn the engine switch off.

      3. Disconnect the intelligent tester from the DLC3.

      4. Confirm that the master warning light is operating normally.


        NEXT

    4. CHECK STEERING WHEEL OPERATION


      1. Start the engine.

      2. Perform the steering angle sensor initialization Click here.

      3. Turn the steering wheel from lock to lock and check that it rotates approximately 2.7 turns.

      4. Drive the vehicle and confirm that the steering wheel is centered.


        NEXT
        END