Sienna AWD V6-3.3L (3MZ-FE) (2004)
Air Door Actuator / Motor: Testing and Inspection
INSPECT AIRMIX DAMPER SERVO SUB-ASSY (MANUAL AIR CONDITIONING)
a. Inspect servomotor 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 "COOL" 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 "HOT" side
smoothly.
If operations are not as specified, replace the servomotor.
INSPECT AIR OUTLET SERVOMOTOR
a. Inspect servomotor 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 "FACE" 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 "FOOT" side
smoothly.
If operations are not as specified, replace the servomotor.