On-Vehicle Inspection

WARNING: This page is about a different car, the 2004 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

CHECK STEERING WHEEL FREEPLAY
1. Stop the vehicle and align the tires straight ahead.
2. Turn the steering wheel gently right and left, and check the steering wheel freeplay.
  Maximum freeplay: 30 mm (1.18 in.)
  
  If the free play exceeds the maximum, replace the steering intermediate shaft sub-assy or steering gear.
  
  Fig 1: Checking Steering Wheel Freeplay
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002