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Power Seat Motor PTC Thermistor (Lifter)

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.
  1. Connect the positive (+) lead from the battery to terminal No. 2, the positive (+) lead from the ammeter to terminal No. 1 and the negative (-) lead to the battery negative (-) terminal, then move the seat cushion to the highest position. See CONNECTOR IDENTIFICATION .
  2. Continue to apply voltage, check that the current changes to less than 1 ampere within 4-90 seconds.
  3. Disconnect the leads from the terminals.
  4. Approximately 60 seconds later, connect the positive (+) lead from the battery to terminal No. 1 and the negative (-) lead to terminal No. 2, check that the seat cushion begins to descend. If operation is not as specified, replace the seat adjuster. See FRONT SEAT  under REMOVAL & INSTALLATION.
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