| Number | X-pin, color | Description |
|---|---|---|
| X521 | 6 -pin, Blue | Connector ASC switch |
| Pin | Type | Description / Signal type | Connection / Measuring notes |
|---|---|---|---|
| 1 | Not used | ||
| 2 | E | Nighttime illumination signal | Light module |
| 3 | A | ASC passive signal | Not used |
| 4 | M | Ground | Ground splice |
| 5 | E | Terminal 30 | Fuse F31 |
| 6 | A | ASC passive signal | ABS/ASC control module |