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 |
|---|---|---|
| No functions operate | Operation check | |
| Initialization | ||
| Proceed to "Power Source Circuit" | ||
| Fold seat control ECU | ||
| Fold/Return functions do not operate using a rear power seat switch | Operation check | |
| Proceed to "Park/Neutral Position Switch Circuit" | ||
| Proceed to "Rear Power Seat Switch Circuit" | ||
| Proceed to "Rear Door Courtesy Switch Circuit" | ||
| Proceed to "Folding Motor Circuit" | ||
| Fold/Return functions do not operate using the fold seat switch assembly | Operation check | |
| Proceed to "Park/Neutral Position Switch Circuit" | ||
| Proceed to "Fold Seat Switch Circuit" | ||
| Proceed to "Back Door Courtesy Switch Circuit" | ||
| Proceed to "Folding Motor Circuit" | ||
| Reclining function does not operate | Operation check | |
| Proceed to "Fold Seat Switch Circuit" | ||
| Proceed to "Reclining Motor Circuit" | ||
| Fold seat control ECU | ||
| Buzzer sounds continuously while engine switch is on (IG) and functions do not operate | Operation check | |
| Initialization | ||
| Proceed to "Power Source Circuit" | ||
| Fold seat control ECU | ||
| Seatback only operates partway | Operation check | |
| Initialization | ||
| Proceed to "Reclining Motor Circuit" | ||
| Proceed to "Folding Motor Circuit" |