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Power Seat Motor PTC Thermistor (Reclining)

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 recline the seatback to the most forward 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 seatback begins to fall backward. If operation is not as specified, replace the seat adjuster. See FRONT SEAT  under REMOVAL & INSTALLATION.
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