Lumbar Support Switch (Driver)
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.
Inspect the driver lumbar support switch continuity. See CONNECTOR IDENTIFICATION . See INSPECTING DRIVER LUMBAR SUPPORT SWITCH CONTINUITY table. If continuity is not as specified, replace the switch. See FRONT SEAT under REMOVAL & INSTALLATION.
INSPECTING DRIVER LUMBAR SUPPORT SWITCH CONTINUITY
| Switch Position | Tester Connection | Specified Condition |
|---|---|---|
| FORWARD | 1 - 4, 2 - 3 | Continuity |
| OFF | 1 - 3, 2 - 3 | Continuity |
| RELEASE | 1 - 3, 2 - 4 | Continuity |