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Home >> Lexus >> 2003 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 183 (Power Windows) >> Component Tests >> Jam Protection Pulse Switch (Driver)
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Jam Protection Pulse Switch (Driver)

WARNING: This page is about a different car, the 2003 Lexus RX 300 and 2002 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION: Sensor may be damaged if wiring harness is connected incorrectly.
  1. Connect the positive (+) lead from the TOYOTA electrical tester to terminal No. 4 and the negative (-) lead to terminal No. 6. See CONNECTOR IDENTIFICATION .
  2. Connect the positive (+) lead from the battery to terminal No. 1 and the negative (-) lead to terminal No. 2.
  3. Check that a pulse is generated while the motor is running.
  4. Reverse the polarity and check that a pulse is generated. If operation is not as specified, replace the motor. See WINDOW REGULATOR (FRONT DOOR)  under REMOVAL & INSTALLATION.
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