FixVault

Defogger System

WARNING: This page is about a different car, the 2003 Lexus RX 300. However, it is still accessible from the selected car via links, so may be relevant.
DEFOGGER SYSTEM TROUBLE SYMPTOMS REFERENCE

Symptom Suspect Area See Section
All defogger systems do not operate.
  1. HEATER Fuse (Instrument Panel J/B)
  2. Defogger Switch
  3. Wire Harness
  4. Body ECU
  1. -
  2. REAR DEFOGGER & HEATED MIRRORS
  3. -
  4. -
Rear window defogger does not operate.
  1. DR DEF Fuse
  2. Defogger Wire
  3. Wire Harness
  1. -
  2. REAR DEFOGGER & HEATED MIRRORS
  3. -
Mirror defogger does not operate.
  1. FR DEF Fuse (Instrument Panel J/B)
  2. Mirror Defogger
  3. Wire Harness
  1. -
  2. REAR DEFOGGER & HEATED MIRRORS
  3. -