Rear Left Side Door:

WARNING: This page is about a different car, the 2003 Lexus GS 430 and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

INSPECT POWER WINDOW MOTOR OPERATION

Connect the positive (+) lead from the battery to terminal 3 and the negative (-) lead to terminal 1, and check that the motor turns clockwise.

Fig 1: Inspecting Power Window Motor Operation (Rear Left Side Door) (1 Of 2)
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Reverse the polarity, check that the motor turns counterclockwise.

If operation is not as specified, replace the motor.

Fig 2: Inspecting Power Window Motor Operation (Rear Left Side Door) (2 Of 2)