Lumbar Control Switch: Description
The lumbar control switch is one of eight separate switches ganged together in driver seat switch assembly. The switch is located on the drivers front door trim panel. See Fig 1. The driver seat switch assembly can provide up to six resistive multiplexed inputs into the driver door module. The inputs can include memory, heated seat, power seat, and foot pedal system requests. All inputs are hardwired resistive mux to the driver door module to decode axis direction or seat heat level. Refer to DOOR MODULE or MEMORY/HEATED SEAT ADJUSTABLE PEDAL MODULE for additional information.
| 1 - Memory Position #2 |
| 2 - Memory Position #1 |
| 3 - Memory Set Switch |
| 4 - Power Seat Recline Switch |
| 5 - Power Lumbar Switch |
| 6 - Adjustable Foot Pedal Switch |
| 7 - Power Seat Cushion Switch |
The power lumbar switch cannot be adjusted or repaired and, if faulty or damaged, the complete driver seat switch assembly must be replaced.