On-Vehicle Inspection

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT STEERING WHEEL FREE PLAY
1. Stop the vehicle and align the tires facing straight ahead.
2. Gently turn the steering wheel right and left by hand, and check the steering wheel free play.
  Maximum free play: 30 mm (1.18 in.)
  
  HINT:
  
  If the free play exceeds the maximum, check the steering column, steering intermediate shaft, or steering gear.
  
  Fig 1: Inspecting Steering Wheel Free Play
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002