Headlight Dimmer Switch
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
Inspect headlight dimmer switch continuity. See Figure. See INSPECTING HEADLIGHT DIMMER SWITCH CONTINUITY table. If continuity is not as specified, replace switch. See COMBINATION SWITCH under REMOVAL & INSTALLATION.
INSPECTING HEADLIGHT DIMMER SWITCH CONTINUITY
| Switch Position | Tester Connection | Specified Condition |
|---|---|---|
| Low Beam | 16 - 17 | Continuity |
| High Beam | 7 - 16 | Continuity |
| Flash | 7 - 8 - 16 | Continuity |