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. | Position control ECU and switch assembly | |
| Wire harness or connector | - | |
| One or more Power Seat Motors do not Operate. | Separate type front seat cushion spring assembly | |
| Separate type front seat back spring assembly | - | |
| Lumber support adjustment switch (power seat switch assembly) | - | |
| Position control ECU and switch assembly | - | |
| Wire harness or connector | - | |
| Power Seat Position is not Memorized. | CAN communication system | |
| Position control ECU and switch assembly | - | |
| Outer mirror control ECU assembly (for driver side) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Seat memory switch | - | |
| Wire harness or connector | - | |
| Power Seat does not Return to Memorized Position. | CAN communication system | |
| Electronic shift lever system | - | |
| Lighting system (int) | - | |
| Position control ECU and switch assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Outer mirror control ECU assembly (for driver side) | - | |
| Wireless Transmitter Memory Function does not Operate. | CAN communication system | |
| Power door lock control system | - | |
| Lighting system (int) | - | |
| Entry and start system (for Start Function) | - | |
| Outer mirror control ECU assembly (for driver side) | - | |
| Position control ECU and switch assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Wireless-linked Return Function does not Operate. | CAN communication system | |
| Wireless door lock control system | - | |
| Lighting system (int) | - | |
| Entry and start system (for Entry Function) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Position control ECU and switch assembly | - | |
| Certification ECU (smart key ECU assembly) | - |