Tech Tips
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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| Front Power Seat does not Operate with Front Power Seat Switch | Front power seat switch LH (w/ Memory) | |
| Wire harness or connector | - | |
| One or more Power Seat Motors do not Operate | Separate type front seat cushion assembly | |
| Separate type front seatback assembly | - | |
| Lumbar front power seat switch | - | |
| Front power seat switch LH (w/ Memory) | - | |
| Wire harness or connector | - | |
| Power Seat Position is not Memorized | Front power seat switch LH (w/ Memory) | |
| Outer mirror control ECU assembly LH | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Seat memory switch | - | |
| Wire harness or connector | - | |
| Power Seat does not Return to Memorized Position | Automatic transaxle system | |
| Lighting system (int) | - | |
| Front power seat switch LH (w/ Memory) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Outer mirror control ECU assembly LH | - | |
| Wireless Transmitter Memory Function does not Operate | Power door lock control system | |
| Lighting system (int) | - | |
| Smart entry and start system (for Start Function) | - | |
| Outer mirror control ECU assembly LH | - | |
| Front power seat switch LH (w/ Memory) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Wireless-linked Return Function does not Operate | Wireless door lock control system | |
| Lighting system (int) | - | |
| Smart entry and start system (for Entry Function) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Front power seat switch LH (w/ Memory) | - | |
| Certification ECU (smart key ECU assembly) | - |