LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2002 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 443 (Combination Switch Control System - Diagnosis) >> Problem Symptoms Table >> Fog Light System:
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Fog Light System:

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
FOG LIGHT SYSTEM

Symptom Suspect Area See Section
Fog light does not light up or has abnormal operation.
  1. Front fog light circuit
  2. Light control switch circuit
  3. Combination switch
  4. Front light ECU
  5. Driver side J/B ECU
  1. FRONT FOG LIGHT CIRCUIT
  2. LIGHT CONTROL SWITCH CIRCUIT 
  3. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  4. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE
  5. HOW TO USE THE DIAGNOSTIC CHART AND INSPECTION PROCEDURE