LS 460 RWD V8-4.6L (1UR-FSE) (2010)
Seat Heater: Symptom Related Diagnostic Procedures
Problem Symptoms Table
SEAT: SEAT HEATER SYSTEM: PROBLEM SYMPTOMS TABLE
HINT
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Use the table below to help determine the cause of the problem symptom. The potential causes of the symptoms are listed in order
of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they
are listed. Replace parts as necessary.
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Inspect the fuses and relays related to the system before inspecting the suspected areas below.
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Problem symptoms may occur if the electric power control system's functions malfunction. Follow the HOW TO PROCEED
WITH TROUBLESHOOTING procedures.
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The electrical equipment operation may be limited by the load control of electric power control system. Follow the HOW TO
PROCEED WITH TROUBLESHOOTING procedures.
Rear Left Seats Seat Heater Does Not Operate
SEAT: SEAT HEATER SYSTEM: Rear Left Seat's Seat Heater does not Operate
- Rear Left Seat's Seat Heater does not Operate
DESCRIPTION
When the seat heater switch is operated, the rear power seat switch receives the signal. The rear power seat switch then sends the signal to the rear seat
climate control ECU through LIN communication. The rear seat climate control ECU receives the signal and operates the seat heater.
WIRING DIAGRAM