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

INSPECTION PROCEDURE

This problem may be caused by a malfunction in the vehicle stability control system or steering system.

Make sure that no DTC is output for the skid control ECU or steering control ECU before proceeding with the following procedures.

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

1.CHECK DRIVE VEHICLE

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

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 off-center	A
The steering wheel is centered	B

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.

B

VGRS SYSTEM IS NORMAL

A

2.CHECK TIRE SIZE

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 ()

C

ADJUST TIRE AIR PRESSURE TO SPECIFIED VALUE ()

A

3.CHECK WHEEL ALIGNMENT

Check wheel alignment for the front ().

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.

NG

PERFORM WHEEL ALIGNMENT ADJUSTMENT ()

OK

PERFORM STEERING ANGLE ADJUSTMENT AND VGRS SYSTEM CALIBRATION