Problem Symptoms Table

2005 Toyota 4Runner SR5, 4.7 T, AWDSECTION 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
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.