Test No. 2: Only One Fog Light Does Not Operate
WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.
Check suspect fog lamp. Replace fog lamp if defective. If lamp is okay, check fog light wiring and connectors between light control switch and fog lights. See HEADLIGHTS in SYSTEM WIRING DIAGRAMS article. Repair wiring as required. After repairs have been made, perform confirmation test. See CONFIRMATION TEST .