Problem Symptoms Table
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, 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 Component as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
FRONT POWER SEAT CONTROL SYSTEM (DRIVER SEAT)
| Symptom | Suspected Area | Refer To |
|---|---|---|
| Power Seat does not Operate (Manual or Memorized Position). | Driver side ECU power source circuit | Refer to Driver Side ECU Power Source Circuit |
| Front power seat switch LH (Position control ECU) | - | |
| One of the Power Seat Functions does not Operate (Manual or Memorized Position). | Driver side power seat motor circuit | Refer to Driver Side Power Seat Motor Circuit |
| Front power seat switch LH (Position control ECU) | - | |
| One or All Manual Seat Functions do not Operate (Memorized Positions OK). | Front power seat switch LH (Position control ECU) | Refer to REMOVAL |
| Memory Function does not Operate. | Driver side seat memory switch circuit | Refer to Driver Side Seat Memory Switch Circuit |
| Multiplex communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Front power seat switch LH (Position control ECU) | - | |
| No Memory Functions Operate or All Memory Functions Operate Briefly and then Stop (Manual Functions OK). | Driver side ECU power source circuit | Refer to Driver Side ECU Power Source Circuit |
| Front power seat switch LH (Position control ECU) | - | |
| One Memory Function does not Operate or Operates Briefly and then Stops (manual functions OK). | Power seat motor | Refer to INSPECTION |
| Front power seat switch LH (Position control ECU) | - | |
| Wireless Transmitter Memory Function does not Operate. | Perform the operation check. | Refer to OPERATION CHECK |
| Check the wireless door lock operation. | Refer to OPERATION CHECK | |
| Driver side seat memory switch circuit | Refer to Driver Side Seat Memory Switch Circuit | |
| Multiplex communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Front power seat switch LH (Position control ECU) | - | |
| Wireless-linked Return Function does not Operate. | Perform the operation check. | Refer to OPERATION CHECK |
| Check the wireless door lock operation. | Refer to OPERATION CHECK | |
| Driver side seat memory switch circuit | Refer to Driver Side Seat Memory Switch Circuit | |
| Drive side power seat motor circuit | Refer to Driver Side Power Seat Motor Circuit | |
| Multiplex communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Front power seat switch LH (Position control ECU) | - |
FRONT POWER SEAT CONTROL SYSTEM (FRONT PASSENGER SEAT)
| Symptom | Suspected Area | Refer To |
|---|---|---|
| Power Seat does not Operate (Manual or Memorized Position). | Front passenger side ECU power source circuit | Refer to Front Passenger Side ECU Power Source Circuit |
| Front power seat switch RH (Position control ECU) | - | |
| One of the Power Seat Functions does not Operate (Manual or Memorized Position). | Front passenger side power seat motor circuit | Refer to Front Passenger Side Power Seat Motor Circuit |
| Front power seat switch RH (Position control ECU) | - | |
| One or All Manual Seat Functions do not Operate (Memorized Positions OK). | Front power seat switch RH (Position control ECU) | Refer to REMOVAL |
| Memory Function does not Operate. | Front passenger side seat memory switch circuit | Refer to Front Passenger Side Seat Memory Switch Circuit |
| Multiplex communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING | |
| Front power seat switch RH (Position control ECU) | - | |
| No Memory Functions Operate or All Memory Functions Operate Briefly and then Stop (Manual Functions OK). | Front passenger side ECU power source circuit | Refer to Front Passenger Side ECU Power Source Circuit |
| Front power seat switch RH (Position control ECU) | - | |
| One Memory Function does not Operate Briefly and then Stops (Manual Functions OK). | Power seat motor | Refer to INSPECTION |
| Front power seat switch RH (Position control ECU) | - |