2005 Scion xB AutomaticFACTORY OEM SERVICE PROCEDURE

Problem Symptoms Table

PROBLEM SYMPTOMS TABLE - WINDOW DEFOGGER SYSTEM

Symptom Suspected Area
Rear window defogger does not operate (Indicator ON)
  1. GAUGE fuse
  2. DEF H-fuse
  3. Defogger relay
  4. Rear window defogger wire
  5. Wire harness
Rear window defogger does not operate (Indicator OFF)
  1. GAUGE fuse
  2. DEF H-fuse
  3. Defogger relay
  4. Center cluster module
  5. Rear window defogger wire
  6. Wire harness
Factory Service Tools

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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.

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