Sienna FWD V6-3.3L (3MZ-FE) (2006)
Air Door Actuator / Motor: Testing and Inspection
Air Mix Control Servo Motor (For Rear Air Conditioning System)
ON-VEHICLE INSPECTION
1. INSPECT AIR MIX CONTROL SERVO MOTOR
a. Inspect servo motor operation.
1. Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the arm turns to "HOT" side
smoothly.
2. Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, then check that the arm turns to "COOL"
side smoothly.
If operations are not as specified, replace the servo motor.