CLIMATE CONTROL SEAT 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.

Climate Control Seat System
Symptom	Suspected Area	See page
Climate Control System does not Operate on Driver Side	Seat climate control ECU	Click here
	Seat climate control switch	Click here
	Seat climate control blower	Click here
	Seat climate control controller	Click here
	Front seat cushion cover	Click here
	Front seatback cover	Click here
	Harness or connector	Click here
Climate Control System does not Operate on Passenger Side	Seat climate control ECU	Click here
	Seat climate control switch	Click here
	Seat climate control blower	Click here
	Seat climate control controller	Click here
	Front seat cushion cover	Click here
	Front seatback cover	Click here
	Harness or connector	Click here
Climate Control System does not Operate on Rear Left Side	Seat climate control ECU	Click here
	Rear power seat module switch	Click here
	Curtain switch (except 4-Passenger with Ottoman)	Click here
	Rear seatback climate control blower LH	Click here
	Seat climate control controller LH	Click here
	Seat climate control blower LH	Click here
	Rear seatback cover LH	Click here
	Rear seat cushion cover LH	Click here
	Harness or connector	Click here
Climate Control System does not Operate on Rear Right Side	Seat climate control ECU	Click here
	Rear power seat module switch	Click here
	Curtain switch (except 4-Passenger with Ottoman)	Click here
	Rear seatback climate control blower RH	Click here
	Seat climate control controller RH	Click here
	Seat climate control blower RH	Click here
	Rear seatback cover RH	Click here
	Rear seat cushion cover 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
	Harness or connector	-