Front 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 PTC OPERATION

Disconnect the connector from the master switch.
Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1 on the wire harness side connector and raise the window to full closed position.
Continue to apply voltage, check that there is a PTC operation noise within approximately 4 to 90 seconds.
Reverse the polarity, check that the window begins to descend within approximately 60 seconds.

If operation is not as specified, replace the motor.

Fig 1: Inspecting Power Window Motor PTC Operation (Front Door) (1 Of 2)

Fig 2: Inspecting Power Window Motor PTC Operation (Front Door) (2 Of 2)