Is the rotating resistance of steering gearbox 10.5 N (1.1 kgf, 2.4 lbf) for LHD model or less than 13 N (1.3 kgf, 2.9 lbf) for RHD model? Is the difference between right and left sides less than 20%?
Yes
No
Readjust the backlash, and if ineffective, replace the faulty parts.