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 | Link |
|---|---|---|
| All functions do not operate | Front power seat switch (driver seat) | |
| Wire harness or connector | - | |
| Only slide function does not operate | Front power seat switch (driver seat) | |
| Slide motor (Front seat adjuster assembly (driver seat)) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate | Front power seat switch (driver seat) | |
| Power seat tilt motor assembly (driver seat) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate | Front power seat switch (driver seat) | |
| Power seat lifter motor assembly (driver seat) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate | Front power seat switch (driver seat) | |
| Reclining motor (Front seatback frame sub-assembly (driver seat)) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate | Front power seat switch (driver seat)*1 | |
| Front lumbar power seat switch (driver seat)*2 | ||
| Lumbar support adjuster assembly (driver seat) | ||
| Wire harness or connector | - |
*1: for Power Seat
*2: for Manual Seat
| Symptom | Suspected Area | Link |
|---|---|---|
| All functions do not operate | Front power seat switch (front passenger seat) | |
| Wire harness or connector | - | |
| Only slide function does not operate | Front power seat switch (front passenger seat) | |
| Slide motor (Front seat adjuster assembly (front passenger seat)) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate*1 | Front power seat switch (front passenger seat) | |
| Power seat tilt motor assembly (front passenger seat) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate*2 | Front power seat switch (front passenger seat) | |
| Power seat lifter motor assembly (front passenger seat) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate | Front power seat switch (front passenger seat) | |
| Reclining motor (Front seatback frame sub-assembly (front passenger seat)) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate*3 | Front power seat switch (front passenger seat) | |
| Lumbar support adjuster assembly (front passenger seat) | ||
| Wire harness or connector | - |
*1: w/ Front Vertical Function
*2: w/ Lifter Function
*3: w/ Lumbar Support Adjustment Function