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Home >> Lexus >> 2004 >> RX 330 AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 483 (Windshield/WINDOWGLASS/Mirror) >> Window Defogger System >> Problem Symptoms Table
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Problem Symptoms Table

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS REFERENCE

Symptom Suspected Area Action
W/Deicer:
Front window deicer does not operate (Indicator ON)
  1. FR DEF fuse
  2. HEATER fuse
  3. DEICER relay
  4. Front window deicer wire
  5. Wire harness
  1. ELECTRICAL COMPONENT LOCATOR
  2. ELECTRICAL COMPONENT LOCATOR
  3. INSPECTION 
  4. INSPECTION 
  5. -
W/Deicer:
Front window deicer does not operate (Indicator OFF)
  1. FR DEF fuse
  2. HEATER fuse
  3. DEICER relay
  4. Front window deicer wire
  5. Multi-display assy
  6. Wire harness
  1. ELECTRICAL COMPONENT LOCATOR
  2. ELECTRICAL COMPONENT LOCATOR
  3. INSPECTION 
  4. INSPECTION 
  5. HOW TO PROCEED WITH TROUBLESHOOTING
  6. -
Rear window defogger does not operate (Indicator ON)
  1. RR DEF M-fuse
  2. HEATER fuse
  3. RR-DEF relay
  4. Rear window defogger wire
  5. Wire harness
  1. ELECTRICAL COMPONENT LOCATOR
  2. ELECTRICAL COMPONENT LOCATOR
  3. REAR WINDOW DEFOGGER DOES NOT OPERATE (INDICATOR ON) 
  4. -
  5. -
Rear window defogger does not operate (Indicator OFF)
  1. RR DEF M-fuse
  2. HEATER fuse
  3. RR-DEF relay
  4. Multi-display assy
  5. Rear window defogger wire
  6. Wire harness
  1. ELECTRICAL COMPONENT LOCATOR
  2. ELECTRICAL COMPONENT LOCATOR
  3. REAR WINDOW DEFOGGER DOES NOT OPERATE (INDICATOR ON) 
  4. HOW TO PROCEED WITH TROUBLESHOOTING
  5. INSPECTION 
  6. -
Mirror heater does not operate (Indicator ON)
  1. MIR HTR fuse
  2. FR DEF fuse
  3. HEATER fuse
  4. DEICER relay
  5. Outer rear view mirror assy
  6. Wire harness
  1. ELECTRICAL COMPONENT LOCATOR
  2. ELECTRICAL COMPONENT LOCATOR
  3. ELECTRICAL COMPONENT LOCATOR
  4. INSPECTION 
  5. INSPECTION 
  6. -
Mirror heater does not operate (Indicator OFF)
  1. MIR HTR fuse
  2. FR DEF fuse
  3. HEATER fuse
  4. DEICER relay
  5. Multi-display assy
  6. Outer rear view mirror assy
  7. Wire harness
  1. ELECTRICAL COMPONENT LOCATOR
  2. ELECTRICAL COMPONENT LOCATOR
  3. ELECTRICAL COMPONENT LOCATOR
  4. INSPECTION 
  5. HOW TO PROCEED WITH TROUBLESHOOTING
  6. INSPECTION 
  7. -
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