Headlight Widening Control Module X991 Connector End View
Pin Assignments At Connector X991
| Pin | Type | Description/Signal type Connection/Measuring notes | |
|---|---|---|---|
| 1 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| 2 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| 3 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| 4 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, left |
| 5 | Not used | ||
| 6 | Not used | ||
| 7 | M | Supply, load/level sensor | Rear right level sensor |
| 8 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| 9 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| 10 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| 11 | A | Signal, headlight vertical aim control | Actuator for headlight beam throw control, right |
| 12 | Not used | ||
| 13 | E | Connector 5 | Light Module |
| 14 | E | K-bus signal line | K-bus splice |
| 15 | Not used | ||
| 16 | Not used | ||
| 17 | Not used | ||
| 18 | Not used | ||
| 19 | Not used | ||
| 20 | E | Nominal value pick-up, load/level sensor | Rear right level sensor |
| 21 | E | Brake light signal | Splice, brake light signal X181 |
| 22 | A | Load sensor power | Rear right level sensor |
| 23 | Not used | ||
| 24 | E | RH front engine speed sensor | ABS/DSC Control Module |
| 25 | Not used | ||
| 26 | M | Control Module ground | Ground splice |