Avalon XLS V6-3.0L (1MZ-FE) (1998)
Sunroof / Moonroof Motor: Testing and Inspection
INSPECT SLIDING ROOF MOTOR OPERATION
a. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1, check that the motor turns to clockwise.
b. Reverse the polarity, check that the motor turns to counterclockwise.