Sienna AWD V6-3.5L (2GR-FE) (2007)
a. Remove the air mix control servo motor.
b. Connect the positive (+) lead from the battery to terminal 4 and negative (-) lead to terminal 5, then check that the lever turns to "COOL" side
smoothly.
c. Connect the positive (+) lead from the battery to terminal 5 and negative (-) lead to terminal 4, then check that the lever turns to "HOT" side
smoothly.
NOTE: While using the battery during inspection, do not bring the positive and negative tester probes too close to each other as a short circuit
may occur.
If the operation is not as specified, replace the air mix control servo motor.
Air Mix Control Servo Motor (For Rear Air Conditioning System)
ON-VEHICLE INSPECTION
1. INSPECT REAR AIR MIX CONTROL SERVO MOTOR