Steering Wheel is Off-center or Deviates from Neutral Position

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

Steering Wheel is Off-center or Deviates from Neutral Position

INSPECTION PROCEDURE

This problem may be caused by a malfunction in the electronically controlled brake or EPS 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.

PROCEDURE

1. CHECK DRIVE VEHICLE
(a) Drive the vehicle straight at 35 km/h or more for 5 seconds or more.
(b) Turn the steering wheel slowly from left and right several times, and then check if the steering wheel is centered.
Result:





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

A -- VGRS SYSTEM IS NORMAL
B -- Continue to next step.

2. CHECK TIRE SIZE
(a) Check all the tires.
Result:






C -- ADJUST TIRE AIR PRESSURE TO SPECIFIED VALUE
B -- REPLACE WITH SPECIFIED SIZE TIRES
A -- Continue to next step.

3. CHECK WHEEL ALIGNMENT
(a) Check wheel alignment Front Wheel Alignment for front, Rear Wheel Alignment for rear).
OK:
The wheel alignment is normal.
HINT: Adjust the tie-rod ends within the specified values so that the tire angles are the same between 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