| Number | X-pin, colour | Description |
|---|---|---|
| X19 | 26-pin, black | Plug connector Check control module |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | Not used | ||
| 3 | E | Wash water level | Wash water level switch |
| 4 | E | Coolant level | Coolant level switch |
| 5 | E | Catalytic converter overheated | Thermal switch (LA Japan) |
| 6 | Not used | ||
| 7 | Not used | ||
| 8 | E | Brake fluid level | Brake fluid level switch |
| 9 | Not used | ||
| 10 | Not used | ||
| 11 | Not used | ||
| 12 | E | Driver's belt contact (USA only) | Driver's seat belt buckle switch |
| 13 | Not used | ||
| 14 | E | Signal, warning lamp | EML control unit |
| 15 | Not used | ||
| 16 | Not used | ||
| 17 | Not used | ||
| 18 | E | Oil level - thermal | Oil level sensor |
| 19 | Not used | ||
| 20 | E/A | I-bus signal line | I-bus connector |
| 21 | Not used | ||
| 22 | M | Control unit ground | Ground connector |
| 23 | E | Terminal 30 | Fuse F26 |
| 24 | Not used | ||
| 25 | Not used | ||
| 26 | Not used | ||