Rear Window Defogger & Mirror Defogger

• Description & Operation
• Trouble Shooting
  • Defogger Does Not Work
  • Indicator Light Does Not Work
• Component Tests
  • Defogger Switch Test
    • Avalon
    • Camry
    • Celica
    • Corolla
    • Land Cruiser & Lexus LX470
    • RAV4
    • Sienna
    • Supra
    • Tercel
    • 4Runner
  • Relay Test
    • Notes
    • Tercel
    • Except Tercel
  • Grid Filament Test
  • Power Window Limit Switch
    • 4Runner
• System Tests
  • Rear Window Defogger System Check
  • Defogger Switch Timer Circuit
    • Camry
    • Corolla & Tercel
    • Land Cruiser & Lexus LX470
    • Sienna
    • 4Runner
  • Instrument Panel Junction Block Tests (Rear Defogger)
    • RAV4 (Circuit Test)
    • RAV4 (Operation Check)
  • Rearview Mirror Defogger Operation
    • Avalon
    • Camry
    • Land Cruiser & Lexus LX470
    • Sienna
    • Supra
  • Rearview Mirror Defogger Timer Operation
    • Land Cruiser & Lexus LX470
  • Rearview Mirror Defogger Circuit
    • Supra
• On-Vehicle Service
  • Grid Filament Repair
• Removal & Installation
  • A/C Amplifier
    • Removal & Installation (Land Cruiser & Lexus LX470)
• Wiring Diagrams