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 |
|---|---|---|
| The driver seat or passenger seat air massage function does not operate (w/ Front Refresh Seat) | Refer to the "Front Air Massage Function does not Operate". | |
| The rear seat RH or rear seat LH rear air massage function does not operate | Refer to the "Rear Air Massage Function does not Operate". | |
| The rear seat RH or rear seat LH warming function does not operate | Refer to the "Does not warm". | |
| The rear seat RH or rear seat LH rear air massage and warming function does not operate (other systems operate) | Position control ECU assembly RH | |
| Position control ECU assembly LH | ||
| The navigation operation screen call switch does not operate (w/ Front Refresh Seat) | Front power seat control system | |
| None of the systems operate according to rear power seat switch (rear multi operation panel) operations | Rear power seat control system |