Power Window Motor
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, and check that the motor turns clockwise. See CONNECTOR IDENTIFICATION .
- Reverse the polarity and check that the motor turns counterclockwise.
- If operation is not as specified, replace the motor. See POWER WINDOW REGULATOR MOTOR (FRONT) or POWER WINDOW REGULATOR MOTOR (REAR) under REMOVAL & INSTALLATION.