| Number | X-pin, colour | Description | 
|---|---|---|
| X62102 | 4 -pin, Black | Plug connector Heated oxygen sensor 1 behind catalytic converter | 
| Pin | Type | Description / Signal type | Connection / Measuring notes | 
|---|---|---|---|
| 1 | E | Terminal 87 | Connector, terminal 87 | 
| 2 | E | Signal, oxygen sensor heater | DME control unit | 
| 3 | M | Oxygen sensor signal | DME control unit | 
| 4 | A | Oxygen sensor signal | DME control unit |