LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2005 >> ES 330 >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/WINDOWGLASS/Mirror >> Defogger System >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

DEFOGGER SYSTEM - PROBLEM SYMPTOMS TABLE

Symptom Suspected Area Refer To
Rear window defogger does not operate (Indicator lamp on)
  1. DEF fuse (Driver side J/B)
  2. GAUGE 2 fuse (Driver side J/B)
  3. DEF relay (Driver side J/B)
  4. Rear window defogger wire
  5. Wire harness
  6. ECM
  1. POWER SOURCE
  2. POWER SOURCE
  3. INSPECTION 
  4. *
  5. x
  6. HOW TO PROCEED WITH TROUBLESHOOTING
Rear window defogger does not operate (Indicator lamp off)
  1. HTR fuse (Driver side J/B)
  2. Defogger switch (A/C panel)
  3. Wire harness
  1. POWER SOURCE
  2. INSPECTION 
  3. *
scientia non olet · About LEMON Manuals