FRONT POWER SEAT CONTROL SYSTEM (for Driver Side) PROBLEM SYMPTOMS TABLE
Tech Tips
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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 parts as necessary.
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Inspect the fuses and relays related to the system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Front Power Seat does not Operate with front Power Seat Switch. | Position control ECU and switch assembly | |
| Wire harness or connector | - | |
| One or more Power Seat Motors do not Operate. | Front power seat motor | |
| Position control ECU and switch assembly | - | |
| Wire harness and connector | - | |
| Power Seat Position is not Memorized. | CAN communication system | |
| Position control ECU and switch assembly | - | |
| Outer mirror control ECU assembly | - | |
| ECM | - | |
| Park/Neutral position switch | - | |
| Seat memory switch | - | |
| Wire harness and connector | - | |
| Power Seat does not Return to Memorized Position. | CAN communication system | |
| Front power seat motor | - | |
| Position control ECU and switch assembly | - | |
| Outer mirror control ECU assembly | - | |
| Seat memory switch | - | |
| Wire harness and connector | - | |
| Wireless Transmitter Memory Function does not Operate. | Wireless door lock control system | |
| Seat memory switch | - | |
| Outer mirror control ECU assembly | - | |
| Position control ECU and switch assembly | - | |
| Main body ECU | - | |
| Wire harness and connector | - | |
| Wireless-linked Return Function does not Operate. | CAN communication system | |
| Wireless door lock control system | - | |
| Smart entry and start system (entry function) | - | |
| Main body ECU | - | |
| Position control ECU and switch assembly | - | |
| Certification ECU (smart key ECU) | - | |
| Power Seat Power Easy Access System Function does not Operate. | CAN communication system | |
| Position control ECU and switch assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Front seat inner belt assembly (driver side) | - | |
| Harness or connector | - |