Lumbar Support System

The lumbar support system includes the following components:
^ seat control switch
^ front seat back pad adjuster
^ front seat back pad adjusting pump
^ related wiring harness and front seat back pad adjusting tube
^ All components are located at or under the front seat cushion frame and spring except for the front seat back pad adjuster and mechanical system.

During inflate mode, the front seat back pad adjusting pump pumps air through a front seat back pad adjusting tube to the seat back control switch and housing check valve.
^ Air is routed through a front seat back pad adjusting tube to the front seat back pad adjuster bags located in the seat back.