| Number | X-pin, colour | Description |
|---|---|---|
| X6121 | 2 -pin, Black | Plug connector Tank ventilation valve I |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Terminal 87 | Connector, terminal 87 |
| 2 | M | Ground signal tank ventilation valve | Engine control module I (DME) |