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Home >> Lexus >> 2004 >> ES 330 >> Repair and Diagnosis >> Accessories & Equipment >> Heated Glass/Defoggers >> Defogger System >> Problem Symptoms Table
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Problem Symptoms Table

PROBLEM SYMPTOMS CHART

Symptom Suspected Area See
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. WIRING DIAGRAMS
  2. WIRING DIAGRAMS
  3. INSPECTION 
  4. -
  5. -
  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. SYSTEM WIRING DIAGRAMS
  2. INSPECTION 
  3. -
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