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Home >> Lexus >> 2001 >> LS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 86 (Power Windows) >> Component Tests >> Jam Protection Limit Switch (Front)
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Jam Protection Limit Switch (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.
CAUTION: If connecting the wire harness wrongly, the sensor might be damaged so caution is necessary.
  1. Inspect the jam protection limit switch operation with the window up.
  2. Connect the positive (+) lead from the ohmmeter to terminal No. 4 and the negative (-) lead to terminal No. 5. See CONNECTOR IDENTIFICATION .
  3. On the driver's door, connect the positive (+) lead from the battery to terminal No. 1 and the negative (-) lead to terminal No. 2.
  4. On the passenger's door, connect the positive (+) lead from the battery to terminal No. 2 and the negative (-) lead to terminal No. 1.
  5. Check that the continuity exists when the window goes up.
  6. Check that no continuity exists when the window is in the fully closed position.
  7. If the operation is not as specified, replace the motor. See FRONT DOOR POWER WINDOW REGULATOR  under COMPONENT TESTS.
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