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Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 66 (Power Windows) >> Component Tests >> Jam Protection Pulse Switch (Rear)
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Jam Protection Pulse Switch (Rear)

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.
CAUTION: If connecting the wire harness wrongly, the sensor might be damaged so caution is necessary.
  1. Inspect the jam protection pulse switch operation.
  2. Connect the positive (+) lead from the TOYOTA electrical tester to terminal No. 3 and the negative (-) lead to terminal No. 5. See CONNECTOR IDENTIFICATION .
  3. On the rear left door, connect the positive (+) lead from the battery to terminal No. 2 and the negative (-) lead to terminal No. 1.
  4. On the rear right door, connect the positive (+) lead from the battery to terminal No. 1 and the negative (-) lead to terminal No. 2.
  5. Check that a pulse is generated while the motor is running.
  6. Reverse the polarity and check that a pulse is generated.
  7. If a pulse is not generated, replace the motor. See REAR DOOR POWER WINDOW REGULATOR  under COMPONENT TESTS.
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