| Number | X-pin, color | Description |
|---|---|---|
| X671 | 5 -pin, Black | Connector Final stage unit |
| X816 | 2 -pin, Black | Connector Final stage unit |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | E | Component power (terminal 15) | Blower relay |
| 2 | Not used | ||
| 3 | E | Signal Final stage unit | Heating and A/C control module |
| 4 | M | Ground | Ground splice |
| 5 | Not used | ||
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Blower motor |
| 2 | E | Voltage control Blower motor | Blower motor |