| Number | X-pin, color | Description |
|---|---|---|
| X1641 | 6 -pin, Black | Connector Passenger's seatback adjustment switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Ground splice |
| 2 | M | Ground | Passenger's seat adjustment remote control switch |
| 3 | A | Signal, backrest head back | Passenger's seat adjustment remote control switch |
| 4 | E | Nighttime illumination | Nighttime illumination splice |
| 5 | A | Signal, backrest head forward | Passenger's seat adjustment remote control switch |
| 6 | Not used | ||