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.

Fig 1: Identifying Passenger Seat Switches
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

Front power seat control system

PROBLEM SYMPTOM CHART

Symptom	Suspected Area	See
Front Power Seat does not Operate with Front Power Seat Switch	Front power seat switch	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
	Harness or connector	FRONT POWER SEAT DOES NOT OPERATE WITH FRONT POWER SEAT SWITCH
Power Seat Position is not Memorized	Front power seat switch LH	POWER SEAT POSITION IS NOT MEMORIZED
	Front power seat switch RH	POWER SEAT POSITION IS NOT MEMORIZED
	Seat memory switch	POWER SEAT POSITION IS NOT MEMORIZED
	Front door ECU LH	POWER SEAT POSITION IS NOT MEMORIZED
	Front door ECU RH	POWER SEAT POSITION IS NOT MEMORIZED
	Harness or connector	POWER SEAT POSITION IS NOT MEMORIZED
Power Seat does not Return to Memorized Position	Front power seat switch LH	POWER SEAT DOES NOT RETURN TO MEMORIZED POSITION
Power Seat does not Return to Memorized Position	Front power seat switch RH	POWER SEAT DOES NOT RETURN TO MEMORIZED POSITION
Front Passenger Seat Full Front and Return Operation does not Function with Power Seat Switch	Rear power seat module switch	FRONT PASSENGER SEAT FULL FRONT AND RETURN OPERATION DOES NOT FUNCTION WITH POWER SEAT SWITCH
	Front power seat switch	FRONT PASSENGER SEAT FULL FRONT AND RETURN OPERATION DOES NOT FUNCTION WITH POWER SEAT SWITCH
	Power seat switch assembly	FRONT PASSENGER SEAT FULL FRONT AND RETURN OPERATION DOES NOT FUNCTION WITH POWER SEAT SWITCH
	Harness or connector	FRONT PASSENGER SEAT FULL FRONT AND RETURN OPERATION DOES NOT FUNCTION WITH POWER SEAT SWITCH
Front Passenger Seat Ottoman Linked Operation does not Function with Rear Power Seat Switch	Rear power seat module switch	FRONT PASSENGER SEAT OTTOMAN LINKED OPERATION DOES NOT FUNCTION WITH REAR POWER SEAT SWITCH
	Front power seat switch RH	FRONT PASSENGER SEAT OTTOMAN LINKED OPERATION DOES NOT FUNCTION WITH REAR POWER SEAT SWITCH
Wireless Transmitter Memory Function does not Operate	Front power seat switch LH	WIRELESS TRANSMITTER MEMORY FUNCTION DOES NOT OPERATE
Wireless-linked Return Function does not Operate	Front power seat switch LH	WIRELESS-LINKED RETURN FUNCTION DOES NOT OPERATE
Buzzer Sounds During Manual Operation	Initialization	INITIALIZATION