Lumbar Support Switch
WARNING: This page is about a different car, the 2002 Lexus GS 430 and 2002 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
Inspect the appropriate lumbar support switch (driver or passenger) continuity. See INSPECTING LUMBAR SUPPORT SWITCH CONTINUITY table. See CONNECTOR IDENTIFICATION . If continuity is not as specified, replace the switch. See POWER SEAT under REMOVAL & INSTALLATION.
INSPECTING 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 |