Control Module, Rear Compartment Air Conditioning X1830 Connector End View
Pin Assignments At Plug Connector X1830
| Pin | Type | Description/Signal type | Connection/Measuring notes |
|---|---|---|---|
| 1 | M | Ground | Ground point |
| 2 | M | Sensor ground | Connector Sensor ground |
| 3 | E | Signal Footwell temperature sensor, rear left | Footwell temperature sensor, rear left |
| 4 | E | Signal Ventilation temperature sensor, rear left | Ventilation temperature sensor, rear left |
| 5 | E | Signal Rear compartment mixing flap potentiometer | Rear compartment mixing flap potentiometer |
| 6 | A | Activation Electric auxiliary heater, rear left | Electric auxiliary heater, rear left |
| 7 | A | Activation Rear compartment blower motor | Rear compartment blower motor |
| 8 | A | Signal, seat heating | Seat heating module, rear left |
| 9 | A | Signal, seat heating | Seat heating module, rear right |
| 10 | M | Sensor ground | Connector Sensor ground |
| 11 | E/A | CAN bus low | CAN-bus connector |
| 12 | E | Signal Footwell temperature sensor, rear right | Footwell temperature sensor, rear right |
| 13 | E | Signal Ventilation temperature sensor, rear right | Ventilation temperature sensor, rear right |
| 14 | E | Signal Rear compartment mixing flap potentiometer | Rear compartment mixing flap potentiometer |
| 15 | A | Supply Rear compartment mixing flap potentiometer | Rear compartment mixing flap potentiometer |
| 16 | A | Activation Electric auxiliary heater, rear right | Electric auxiliary heater, rear right |
| 17 | E/A | CAN bus high | CAN-bus connector |
| 18 | E | Supply, terminal 30G | Fuse F126 |