Power Window Motor PTC Operation (Front)
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect the power window motor PTC operation.
- Disconnect the connector from the master switch.
- Connect the positive (+) lead from the battery to terminal No. 2 and negative (-) lead to terminal No. 1 on the wire harness side connector and raise the window to full closed position. See CONNECTOR IDENTIFICATION .
- Continue to apply voltage and check that there is a PTC operation noise within approximately 4-90 seconds.
- Reverse the polarity and check that the window begins to descend within approximately 60 seconds.
- If operation is not as specified, replace the motor. See FRONT DOOR POWER WINDOW REGULATOR under COMPONENT TESTS.