Problem Symptoms Table

HINT:

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	Reference
Climate Control System does not Operate on Driver Side	Seat climate control ECU	Refer to Climate Control System does not Operate on Driver Side
	Seat climate control switch LH	Refer to Climate Control System does not Operate on Driver Side
	Seat climate control blower LH	Refer to Climate Control System does not Operate on Driver Side
	Seat climate control controller LH	Refer to Climate Control System does not Operate on Driver Side
	Front seat cushion cover LH	Refer to Climate Control System does not Operate on Driver Side
	Front seatback cover LH	Refer to Climate Control System does not Operate on Driver Side
	Harness or connector	Refer to Climate Control System does not Operate on Driver Side
Climate Control System does not Operate on Passenger Side	Seat climate control ECU	Refer to Climate Control System does not Operate on Passenger Side
	Seat climate control switch RH	Refer to Climate Control System does not Operate on Passenger Side
	Seat climate control blower RH	Refer to Climate Control System does not Operate on Passenger Side
	Seat climate control controller RH	Refer to Climate Control System does not Operate on Passenger Side
	Front seat cushion cover RH	Refer to Climate Control System does not Operate on Passenger Side
	Front seatback cover RH	Refer to Climate Control System does not Operate on Passenger Side
	Harness or connector	Refer to Climate Control System does not Operate on Passenger Side
Climate Control System does not Operate on Rear Left Side	Seat climate control ECU	Refer to Climate Control System does not Operate on Passenger Side
	Rear power seat module switch	Refer to Climate Control System does not Operate on Rear Left Side
	Curtain switch (w/o Ottoman)	Refer to Climate Control System does not Operate on Rear Left Side
	Rear seatback climate control blower LH	Refer to Climate Control System does not Operate on Rear Left Side
	Seat climate control controller LH	Refer to Climate Control System does not Operate on Rear Left Side
	Seat climate control blower LH	Refer to Climate Control System does not Operate on Rear Left Side
	Rear seatback cover LH	Refer to Climate Control System does not Operate on Rear Left Side
	Rear seat cushion cover LH	Refer to Climate Control System does not Operate on Rear Left Side
	Harness or connector	Refer to Climate Control System does not Operate on Rear Left Side
Climate Control System does not Operate on Rear Right Side	Seat climate control ECU	Refer to Climate Control System does not Operate on Rear Right Side
	Rear power seat module switch	Refer to Climate Control System does not Operate on Rear Right Side
	Curtain switch (w/o Ottoman)	Refer to Climate Control System does not Operate on Rear Right Side
	Rear seatback climate control blower RH	Refer to Climate Control System does not Operate on Rear Right Side
	Seat climate control controller RH	Refer to Climate Control System does not Operate on Rear Right Side
	Seat climate control blower RH	Refer to Climate Control System does not Operate on Rear Right Side
	Rear seatback cover RH	Refer to Climate Control System does not Operate on Rear Right Side
	Rear seat cushion cover RH	Refer to Climate Control System does not Operate on Rear Right Side
	Harness or connector	Refer to Climate Control System does not Operate on Rear Right Side
Rear Air Seat does not Operate Through Front Switch	No. 1 console switch	Refer to Rear Air Seat does not Operate Through Front Switch
Rear Air Seat does not Operate Through Front Switch	No. 2 console switch	Refer to Rear Air Seat does not Operate Through Front Switch