Camry V6-33L (3MZ-FE) Blower Motor Component Diagram - Page 5170
Blower Motor: Testing and Inspection
BLOWER W/FAN MOTOR SUB-ASSEMBLY
a. Connect the positive (+) lead from the battery to terminal 2 and negative (-) to terminal 1, then check that the motor operation smoothly.
If operation is not as specified, replace the blower motor.