Wiper Switch: Removal

WARNING: This page is about a different car, the 2008 Lexus IS F. However, it is still accessible from the selected car via links, so may be relevant.

REMOVE STEERING COLUMN COVER
1. Turn the steering wheel assembly to the right and remove the screw as shown in the illustration.
  
  Fig 1: Locating Steering Column Cover Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Turn the steering wheel assembly to the left and remove the screw as shown in the illustration
  
  Fig 2: Locating Steering Wheel Assembly Screw
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
3. Disengage the 2 claws and remove the screw and the lower steering column cover
  
  Fig 3: Identifying Lower Steering Column Cover Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
4. Disengage the 4 clips and 3 claws to remove the upper steering column cover
  
  Fig 4: Identifying Upper Steering Column Cover Clips And Claws
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REMOVE WINDSHIELD WIPER SWITCH ASSEMBLY
1. Disconnect the 2 connectors
2. Disengage the claw and remove the windshield wiper switch assembly as shown in the illustration.
  NOTE: If the claw is pushed with excessive force, it may break.
  
  Fig 5: Locating Windshield Wiper Switch Assembly Connectors
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002