VARIABLE GEAR RATIO STEERING SYSTEM Steering Wheel is Off-center or Deviates from Neutral Position

CAUTION / NOTICE / HINT

This problem may be caused by a malfunction in the electronically controlled brake system or power steering system. Make sure that no DTC is output for the skid control ECU, power steering ECU, or steering control ECU before proceeding with the following procedures.

If a DTC is output for any of these ECUs, first troubleshoot it and then proceed to the troubleshooting below.

PROCEDURE


  1. CHECK DRIVE VEHICLE


    1. Drive the vehicle straight at 35 km/h (22 mph) or more for 5 seconds or more.

    2. Turn the steering wheel slowly from left to right several times, and then check if the steering wheel is centered.

      Result
      Result Proceed to
      The steering wheel is centered A
      The steering wheel is off-center B

      Tech Tips

      If turning the steering wheel quickly while driving at low speeds, the steering angle may differ between the left and right, or the steering wheel may become off-center. However, this is not a malfunction.


    A

    VGRS SYSTEM IS NORMAL

    B

  2. CHECK TIRE SIZE


    1. Check all the tires.

      Result
      Result Proceed to
      All tire sizes are correct and tire pressures are normal A
      The size of any of the tires is incorrect B
      All tire sizes are correct, but tire pressures are incorrect C

    B

    REPLACE WITH SPECIFIED SIZE TIRE Click here

    C

    ADJUST TIRE AIR PRESSURE TO SPECIFIED VALUE Click here

    A

  3. CHECK WHEEL ALIGNMENT


    1. Check wheel alignment for the front (see page ) and rear Click here.

      OK
      The wheel alignment is normal.

      Tech Tips

      Adjust the tie-rod ends within the specified values so that the tire angles are the same between the left and right when the steering wheel is turned from lock to lock.


    OK

    PERFORM STEERING ANGLE ADJUSTMENT AND VGRS SYSTEM CALIBRATION

    NG

    PERFORM WHEEL ALIGNMENT ADJUSTMENT Click here