Blower Unit: Disassembly

WARNING: This page is about a different car, the 2002 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.

Remove air refiner filter.
Remove blower motor.
Remove A/C ECU.
1. Remove the 3 screws and A/C ECU.
  
  Fig 1: Locating Screws For A/C ECU Removal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Remove air inlet servomotor.
1. Remove the 3 screws and the inlet servomotor.
  
  Fig 2: Locating Screws For Air Inlet Servomotor Removal
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002