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Problem Symptoms Table

WARNING: This page is about a different car, the 2005 Toyota 4Runner. However, it is still accessible from the selected car via links, so may be relevant.
PROBLEM SYMPTOMS TABLE - SEAT HEATER SYSTEM

Symptom Suspected Area
Seat heaters do not operate (Seat is not warmed up)
  1. SEAT HEATER fuse
  2. IG1 fuse
  3. IG relay
  4. Front seat cushion heater assy LH
  5. Front seat cushion heater assy RH
  6. Front seatback heater assy LH
  7. Front seatback heater assy RH
  8. Seat heater switch LH
  9. Seat heater switch RH
  10. Wire harness
Temperature of seat heater cannot be adjusted
  1. Seat heater switch LH
  2. Seat heater switch RH
  3. Wire harness
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