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Home >> Toyota >> 2001 >> Sienna CE >> Repair and Diagnosis >> External Pages >> Different car >> Section 162 (Power & Heated Seats) >> Component Tests >> Lumbar Support Motor

Lumbar Support Motor

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. 1 and the negative (-) lead to terminal No. 2, check that the lumbar support moves to release side. See CONNECTOR IDENTIFICATION .
  2. Reverse the polarity, check that the lumbar support moves forward. If operation is not as specified, replace the seat adjuster. See FRONT SEAT  under REMOVAL & INSTALLATION.