| Number | X-pin, color | Description |
|---|---|---|
| X1821 | 2-pin, Black | Connector Water valve, rear compartment air conditioning |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Terminal 30 voltage supply | Water valve relay, rear compartment air conditioning |
| 2 | M | Ground | Ground splice |