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 |
|---|---|---|
| All functions do not operate (except seat length function)*1 | Front power seat switch (for driver) | |
| Wire harness or connector | - | |
| All functions do not operate*2 | Front power seat switch (for driver) | |
| Wire harness or connector | - | |
| Only slide function does not operate | Front power seat switch (for driver) | |
| Slide motor (front seat adjuster assembly (for driver)) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate | Front power seat switch (for driver) | |
| Front vertical motor (front seat adjuster assembly (for driver)) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate | Front power seat switch (for driver) | |
| Lifter motor (front seat adjuster assembly (for driver)) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate | Front power seat switch (for driver) | |
| Reclining motor (front seatback frame sub-assembly (for driver)) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate | Front power seat switch assembly (for driver) | |
| Front power seat switch (for driver) | ||
| Lumbar support adjuster assembly (for driver) | ||
| Wire harness or connector | - | |
| Seat length function does not operate*1 | Seat variable cushion switch | |
| Seat length motor (front seat adjuster assembly (for driver)) | ||
| Wire harness or connector | - |
*1: w/ Seat Variable Cushion Switch
*2: w/o Seat Variable Cushion Switch
| Symptom | Suspected Area | See page |
|---|---|---|
| All functions do not operate | Front power seat switch (for front passenger) | |
| Wire harness or connector | - | |
| Only slide function does not operate | Front power seat switch (for front passenger) | |
| Slide motor (front seat adjuster assembly (for front passenger)) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate | Front power seat switch (for front passenger) | |
| Front vertical motor (front seat adjuster assembly (for front passenger)) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate | Front power seat switch (for front passenger) | |
| Lifter motor (front seat adjuster assembly (for front passenger)) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate | Front power seat switch (for front passenger) | |
| Reclining motor (separate type front seatback spring assembly) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate | Front power seat switch assembly (for front passenger) | |
| Front power seat switch (for front passenger) | ||
| Lumbar support adjuster assembly (for front passenger) | ||
| Wire harness or connector | - |