AIR MIX CONTROL SERVO MOTOR (for Automatic Air Conditioning System): Inspection

WARNING: This page is about a different car, the 2008 Toyota RAV4. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT AIR MIX CONTROL SERVO MOTOR
1. Inspect the servo motor operation.
  
  Fig 1: Inspecting Air Mix Control Servo Motor Operation (For Automatic Air Conditioning System)
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  1. Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, and then check that the lever turns to the "MAX HOT" position smoothly.
  2. Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, and then check that the lever turns to the "MAX COOL" position smoothly.
    If the operation is not as specified, replace the air mix control servo motor.
    
    Fig 2: Identifying Air Mix Control Servo Motor Connectors
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002