| Number | X-pin, colour | Description |
|---|---|---|
| X6227 | 4-pin, Grey | Plug connector Hot film air mass meter |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Component ground | Ground connector |
| 2 | E/A | Signal, hot film air mass meter | Engine control module II (DME) |
| 3 | E | Terminal 87 | Connector, terminal 87 |
| 4 | M | Ground, hot film air mass meter | Engine control module II (DME) |