PROBLEM SYMPTOMS TABLE

Troubleshooting

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.

Front power seat control system (Driver seat)
Symptom	Suspected area	See page
Power seat does not operate (manual or memorized position).	1. Driver side ECU power source circuit	Click here
Power seat does not operate (manual or memorized position).	2. Front power seat switch (Position control ECU)	Click here
One of the power seat functions does not operate (manual or memorized position).	1. Driver side power seat motor circuit	Click here
	2. Front power seat switch (Position control ECU)	Click here
One or all manual seat functions do not operate (memorized positions OK).	Front power seat switch (Position control ECU)	Click here
Memory function does not operate.	1. Driver side seat memory switch circuit	Click here
	2. Multiplex communication system	Click here
	3. Front power seat switch (Position control ECU)	Click here
No memory functions operate or all memory functions operate briefly and then stop (manual functions OK).	1. Driver side ECU power source circuit	Click here
	2. Front power seat switch (Position control ECU)	Click here
One memory function does not operate or operates briefly and then stops (manual functions OK).	1. Front seat frame with adjuster (Power seat motor)	Click here
	2. Front power seat switch (Position control ECU)	Click here
Wireless transmitter memory function does not operate.	1. Perform the operation check.	Click here
	2. Check the wireless door lock operation.	Click here
	3. Driver side seat memory switch circuit	Click here
	4. Multiplex communication system	Click here
	5. Front power seat switch (Position control ECU)	Click here
Wireless-linked return function does not operate.	1. Perform the operation check.	Click here
	2. Check the wireless door lock operation.	Click here
	3. Driver side seat memory switch circuit	Click here
	4. Drive side power seat motor circuit	Click here
	5. Multiplex communication system	Click here
	6. Front power seat switch (Position control ECU)	Click here

Front power seat control system (Front passenger seat)
Symptom	Suspected area	See page
Power seat does not operate (manual or memorized position).	1. Front passenger side ECU power source circuit	Click here
Power seat does not operate (manual or memorized position).	2. Front power seat switch (Position control ECU)	Click here
One of the power seat functions does not operate (manual or memorized position).	1. Front passenger side power seat motor circuit	Click here
	2. Front power seat switch (Position control ECU)	Click here
One or all manual seat functions do not operate (memorized positions OK).	Front power seat switch (Position control ECU)	Click here
Memory function does not operate.	1. Front passenger side seat memory switch circuit	Click here
	2. Multiplex communication system	Click here
	3. Front power seat switch (Position control ECU)	Click here
No memory functions operate or all memory functions operate briefly and then stop (manual functions OK).	1. Front passenger side ECU power source circuit	Click here
	2. Front power seat switch (Position control ECU)	Click here
One memory function does not operate briefly and then stops (manual functions OK).	Front seat frame with adjuster (Power seat motor)	Click here