Inspect Lumbar Support Motor Operation

1. Connect the positive (+) lead from the battery to terminal 1 and the negative (-) lead to terminal 2, check that the lumbar support moves to release side.
   Fig 1: Inspecting Lumbar Support Motor Operation (1 Of 2)

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Reverse the polarity, check that the lumbar support moves forward.

If operation is not as specified, replace the seat adjuster.

Fig 2: Inspecting Lumbar Support Motor Operation (2 Of 2)

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002