Sienna AWD V6-3.3L (3MZ-FE) (2004)
a. Apply battery voltage and inspect operation of the door lock motor.
If operation is not as specified, replace the door lock assembly.
b. Inspect the resistance of the position switch.
If the result is not as specified, replace the door lock assembly.
c. Inspect the resistance of the door lock and unlock switch.
If the result is not as specified, replace the door lock assembly.