Connector assignment for air-conditioning control module
NOTE:
- The two connectors, A and C, are replaced by networking (used by CAN-Comfort Bus)!
- The signals required for function or control are exchanged via the CAN Bus lines CAN Comfort high and CAN Comfort low!
Connector B (red)
CONNECTOR B (RED) PIN IDENTIFICATION - AS OF MY 2002
| Pin | Designation | Pin | Designation |
|---|---|---|---|
| 1 | CAN Comfort High | 2 | CAN Comfort Low |
| 3 | Footwell/defrost valve checkback signal | 4 | Check checkback signal of recirculated air/outside air flap |
| 5 | Outside temperature sensor (air intake) | 6 | Interior temperature sensor |
| 7 | Temperature sensor (blower outlet sensor footwell) | 8 | Not used |
| Pin | Designation | Pin | Designation |
| 9 | Sensor ground supply | 10 | Checkback signal fan (-) |
| 11 | Checkback signal fan (+) | 12 | Activation signal fan |
| 13 | Temperature mixing valve checkback signal | 14 | Central flap checkback signal |
| 15 | Not used | 16 | Compresser voltage |
| 17 | Not used | 18 | Not used |
| 19 | Information system (PCM) | 20 | Sensor power supply (+5V/10mA) |
Connector D (black)
CONNECTOR D (BLACK) PIN IDENTIFICATION - AS OF MY 2002
| Pin | Designation | Pin | Designation |
|---|---|---|---|
| 1 | Not used | 2 | Temperature mixing valve motor |
| 3 | Footwell/defrost flap motor | 4 | Motor, central flap |
| 5 | Outside air/bypass air flap motor | 6 | Not used |
| 7 | Terminal 30 | 8 | Not used |
| 9 | Terminal 15 | 10 | Temperature mixing valve motor |
| 11 | Footwell/defrost flap motor | 12 | Motor, central flap |
| 13 | Outside air/bypass air flap motor | 14 | Not used |
| 15 | Terminal 31 | 16 | Not used |