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Home >> Lexus >> 2003 >> ES 300 >> Repair and Diagnosis >> Body & Frame >> Seats >> Seat Heater System >> Problem Symptoms Table
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Problem Symptoms Table

PROBLEM SYMPTOMS CHART

Symptom Suspected Area See page
Seat heaters do not operate 1. SEAT HTR fuse -
2. Front seat cushion heater assembly LH INSPECTION 
3. Front seat cushion heater assembly RH INSPECTION 
4. Front seatback heater assembly LH INSPECTION 
5. Front seatback heater assembly RH INSPECTION 
6. Heater control housing sub-assembly (A/C amplifier) WIRING DIAGRAM
7. Wire harness -