Corolla LE Sedan L4-1.8L (1ZZ-FE) (1999)
Sliding Roof 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 clockwise (moves of
the close side).
b. Reverse the polarity, check that the motor turns counterclockwise. (moves to the open side).
If operation is not as specified, replace the motor.