Air Conditioning Amplifier: Removal

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

DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
REMOVE AIR CONDITIONING AMPLIFIER ASSEMBLY
1. Remove the screw.
2. Disconnect the connector and remove the air conditioning amplifier.
  
  Fig 1: Removing Air Conditioning Amplifier
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002