LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2004 >> 4Runner Limited, 4.7 T, AWD >> Repair and Diagnosis >> Body & Frame >> Windows >> Windshield/Window Glass/Mirror >> Window Defogger System >> Problem Symptoms Table
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - WINDOW DEFOGGER SYSTEM

Symptom Suspected Area
Rear window defogger does not operate (indicator light ON)
  1. DEFOG fuse
  2. DEF relay
  3. Rear window defogger wire
  4. Wire harness
  5. Instrument panel junction block assy
Rear window defogger does not operate (indicator light OFF)
  1. DE FOG fuse
  2. DEF relay
  3. Air conditioning control assy
  4. Rear window defogger wire
  5. Wire harness
  6. Instrument panel junction block assy
Mirror defogger does not operate (indicator light ON)
  1. MIR HEATER fuse
  2. DEF relay
  3. Outer rear view mirror assy
  4. Wire harness
  5. Instrument panel junction block assy
Mirror defogger does not operate (indicator light OFF)
  1. MIR HEATER fuse
  2. DEF relay
  3. Air conditioning control assy
  4. Outer rear view mirror assy
  5. Wire harness
  6. Instrument panel junction block assy
scientia non olet · About LEMON Manuals