Fog Light System
WARNING: This page is about a different car, the 2003 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
This system uses the multiplex communication system, so check diagnosis system of the multiplex communication system before you proceed with troubleshooting.
PROBLEM SYMPTOMS - FOG LIGHT SYSTEM
| Symptom | Suspect Area | Go To |
|---|---|---|
| Front fog light does not light up with light control SW TAIL or HEAD (LO-beam only). (Headlight is normal.) |
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| Only one light does not light. |
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| Rear fog light does not light with light control SW HEAD. (Headlight is normal.) |
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| Rear fog light does not light with light control SW HEAD. (Headlight does not light.) |
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| Only one light does not light. |
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