Digital Diesel Electronics Control Module X20001 Connector End View
Pin Assignments At Plug Connector X20001
| Pin | Type | Description/Signal type | Connection/Measuring notes |
|---|---|---|---|
| 1 | E/A | CAN bus high | Nitrogen oxide sensor after SCR catalytic converter |
| 2 | A | Activation Radiator shutter drive unit | Radiator shutter drive unit |
| 3 | E | Brake light switch signal | Brake light switch |
| 4 | - | Not occupied | |
| 5 | - | Not occupied | |
| 6 | - | Not occupied | |
| 7 | E | Start signal | Car access system |
| 8 | - | Not occupied | |
| 9 | E/A | CAN bus low | Nitrogen oxide sensor after SCR catalytic converter |
| 10 | A | Activation Cut-out relay, electric fan | Cut-out relay, electric fan |
| 11 | E | Brake light test signal | Brake light switch |
| 12 | - | Not occupied | |
| 13 | E | Wake-up signal, terminal 15 | Connector X10547 |
| 14 | - | Not occupied | |
| 15 | - | Not occupied | |
| 16 | E/A | TD signal | OBDII socket |
| 17 | A | Diagnosis, fuel heating | Fuel heater |
| 18 | M | Ground | Accelerator pedal module |
| 19 | E/A | Signal PT-CAN low | Power train CAN bus |
| 20 | E/A | Signal PT-CAN high | Power train CAN bus |
| 21 | - | Not occupied | |
| 22 | - | Not occupied | |
| 23 | M | Ground | Accelerator pedal module |
| 24 | A | Activation Electric auxiliary heater | Electric auxiliary heater |
| 25 | E | Signal, terminal 15 | Car access system |
| 26 | - | Not occupied | |
| 27 | A | Activation Heating, crankcase breather | Heating, crankcase breather |
| 28 | E | Signal Accelerator pedal module | Accelerator pedal module |
| 29 | E | Signal Accelerator pedal module | Accelerator pedal module |
| 30 | - | Not occupied | |
| 31 | - | Not occupied | |
| 32 | A | Activation SCR load relay | SCR load relay |
| 33 | - | Not occupied | |
| 34 | - | Not occupied | |
| 35 | E/A | BSD signal | Battery sensor |
| 36 | E/A | Bus signal | Connector X10134 |
| 37 | - | Not occupied | |
| 38 | A | Supply Accelerator pedal module | Accelerator pedal module |
| 39 | A | Supply Accelerator pedal module | Accelerator pedal module |
| 40 | A | Activation E-box fan | E-box fan |