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Inspect Lumbar Support Motor Circuit Breaker Operation

  1. Connect the positive (+) lead from the battery to terminal 2 and the negative (-) lead to terminal 1 on the lumbar support motor connector and move the lumbar support to front end position.
    Fig 1: Inspecting Lumbar Support Motor Circuit Breaker Operation (1 Of 2)
    G03632756Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Continue to apply voltage, check that a circuit breaker operation noise can be heard within 4 to 60 seconds.
  3. Reverse the polarity, check that the lumbar support begins to move release side with in approximately 60 seconds.

If operation is not as specified, replace the motor.

Fig 2: Inspecting Lumbar Support Motor Circuit Breaker Operation (2 Of 2)
G03632757Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002