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 (except seat length function) | Front power seat switch LH*1 | |
| Front power seat switch RH*2 | - | |
| Wire harness or connector | - | |
| One or more Power Seat Motors do not Operate | Front seat adjuster assembly LH*1 | |
| Front seatback frame sub-assembly LH*1 | - | |
| Front power seat switch assembly LH*1 | - | |
| Front power seat switch LH*1 | - | |
| Front seat adjuster assembly RH*2 | - | |
| Separate type front seatback spring assembly*2 | - | |
| Front power seat switch assembly RH*2 | - | |
| Front power seat switch RH*2 | - | |
| Power seat switch assembly | - | |
| Wire harness or connector | - | |
| Power Seat Position is not Memorized | Front power seat switch LH*1 | |
| Front power seat switch RH*2 | - | |
| Outer mirror control ECU assembly (for driver)*1 | - | |
| Outer mirror control ECU assembly (for front passenger)*2 | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Seat memory switch (for driver)*1 | - | |
| Seat memory switch (for front passenger)*2 | - | |
| Wire harness or connector | - | |
| Power Seat does not Return to Memorized Position | Hybrid control system | |
| Front power seat switch LH*1 | - | |
| Front power seat switch RH*2 | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Outer mirror control ECU assembly (for driver)*1 | - | |
| Outer mirror control ECU assembly (for front passenger)*2 | - | |
| 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 (for driver)*1 | - | |
| Outer mirror control ECU assembly (for front passenger)*2 | - | |
| Front power seat switch LH*1 | - | |
| Front power seat switch RH*2 | - | |
| 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*1 | - | |
| Front power seat switch RH*2 | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Cushion Length Function do not Operates with Seat Variable Cushion Switch | Seat variable cushion switch | |
| Cushion length motor (front seat adjuster assembly LH) | ||
| Wire harness or connector | - |
*1: for Driver
*2: for Front Passenger