SEAT HEATER SYSTEM PROBLEM SYMPTOMS TABLE

Tech Tips

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.
Inspect the fuses and relays related to the system before inspecting the suspected areas below.
Problem symptoms may occur if the electric power control system's functions malfunction. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.
The electrical equipment operation may be limited by the load control of electric power control system. Follow the HOW TO PROCEED WITH TROUBLESHOOTING procedures.

Seat heater system
Symptom	Suspected Area	See page
Rear Left Seats Seat Heater does not Operate	Seat heater switch	Click here
	Seat climate control ECU LH	Click here
	Harness or connector	Click here
Rear Right Seats Seat Heater does not Operate	Seat heater switch	Click here
	Seat climate control ECU RH	Click here
	Harness or connector	Click here
Rear Seat Heater does not Operate Through Accessory Meter Assembly	CAN communication system (for LHD)	Click here
	CAN communication system (for RHD)	Click here
	Air conditioning amplifier	Click here
	Remote operation switch	Click here
	Multi-media module receiver assembly	Click here
	Accessory meter assembly	Click here
	Rear power seat switch	Click here
	Harness or connector	-