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Home >> Lexus >> 2003 >> SC 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 430 (Troubleshooting) >> Problem Symptoms Table >> Seat Heater Control System
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Seat Heater Control System

WARNING: This page is about a different car, the 2003 Lexus LS 430. However, it is still accessible from the selected car via links, so may be relevant.
SEAT HEATER CONTROL SYSTEM - TROUBLESHOOTING

Symptom Suspect Area See Section
Seat heater does not operate.
  1. FRS/HTR Fuse
  2. P-IG Fuse
  3. P IG1 Relay
  4. Seat Heater Switch (Telltale Light Switch)
  5. Seat Heater
  6. Wire Harness
  1. POWER SOURCE
  2. POWER SOURCE
  3. POWER SOURCE
  4. INSPECTION
  5. INSPECTION
  6. -
Driver's seat heater does not operate.
  1. Seat Heater Switch (Telltale Light Switch)
  2. Wire Harness
  1. INSPECTION
  2. -
Passenger's seat heater does not operate.
  1. Seat Heater Switch (Telltale Light Switch)
  2. Wire Harness
  1. INSPECTION
  2. -
Seat heater temperature is too hot.
  1. Seat Heater
  1. INSPECTION
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