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Home >> Lexus >> 2004 >> IS 300 Base, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 124 (Power Windows) >> Component Tests >> Power Window Motor

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.
  1. 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 .
  2. Reverse the polarity and check that the motor turns counterclockwise.
  3. If operation is not as specified, replace the motor. See POWER WINDOW REGULATOR MOTOR (FRONT)  or POWER WINDOW REGULATOR MOTOR (REAR)  under REMOVAL & INSTALLATION.
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