| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | A | Voltage supply, fuel injector | Injector 4 |
| | | |
| 2 | A | Voltage supply, fuel injector | Injector 6 |
| | | |
| 3 | A | Voltage supply, fuel injector | Injector 5 |
| | | |
| 4 | | Not occupied | |
| | | |
| 5 | | Not occupied | |
| | | |
| 6 | M | Ground, charge air temperature sensor | Charge air temperature sensor |
| | | |
| 7 | M | Ground, coolant temperature sensor | Coolant temperature sensor |
| | | |
| 8 | M | with EU4 exhaust emission standard Ground Exhaust temperature sensor before catalytic converter | Exhaust temperature sensor before catalytic converter |
| | | |
| 9 | M | with EU4 exhaust emission standard Ground Exhaust temperature sensor before particle filter | Exhaust temperature sensor before particle filter |
| | | |
| 10 | E | Signal, oil pressure switch | Oil pressure switch |
| | | |
| 11 | M | Ground, fuel temperature sensor | Fuel temperature sensor |
| | | |
| 12 | M | Negative activation Oxygen sensor 1 in front of catalytic converter | Oxygen sensor before catalytic converter |
| | | |
| 13 | E | Signal, alternator | Alternator |
| | | |
| 14 | M | Camshaft sensor ground | Hall-effect sensor, camshaft 1 |
| | | |
| 15 | M | Ground, crankshaft position/rpm sensor | Speed (rpm) sensor |
| | | |
| 16 | A | Activation Oxygen sensor heater in front of catalytic converter | Oxygen sensor before catalytic converter |
| | | |
| 17 | | Not occupied | |
| | | |
| 18 | | Not occupied | |
| | | |
| 19 | A | Terminal 15 | Transmission control |
| | | |
| 20 | | Not occupied | |
| | | |
| 21 | | Not occupied | |
| | | |
| 22 | A/E | Diagnosis signal TXD | Transmission control |
| | | |
| 23 | A | Signal Solenoid valve, exhaust recirculation cooler bypass | Solenoid valve, exhaust recirculation cooler bypass |
| | | |
| 24 | A | Signal, electric changeover valve for engine mount | Electrical changeover valve, engine mount |
| | | |
| 25 | M | Ground, fuel injector | Injector 4 |
| | | |
| 26 | M | Ground, fuel injector | Injector 6 |
| | | |
| 27 | M | Ground, fuel injector | Injector 5 |
| | | |
| 28 | | Not occupied | |
| | | |
| 29 | | Not occupied | |
| | | |
| 30 | A | Voltage supply, rail pressure sensor | Rail pressure sensor |
| | | |
| 31 | | Not occupied | |
| | | |
| 32 | A | Voltage supply, charge-air pressure sensor | Charge-air pressure sensor |
| | | |
| 33 | A | with EU4 exhaust emission standard Supply Exhaust backpressure sensor | Exhaust backpressure sensor |
| | | |
| 34 | E | with EU4 exhaust emission standard Signal Exhaust temperature sensor before particle filter | Exhaust temperature sensor before particle filter |
| | | |
| 35 | | Not occupied | |
| | | |
| 36 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter |
| | | |
| 37 | E | Signal, alternator | Alternator |
| | | |
| 38 | E | Signal, oil level sensor | Oil level sensor |
| | | |
| 39 | A | Voltage supply, crankshaft position/rpm sensor | Speed (rpm) sensor |
| | | |
| 40 | | Not occupied | |
| | | |
| 41 | | Not occupied | |
| | | |
| 42 | | Not occupied | |
| | | |
| 43 | | Not occupied | |
| | | |
| 44 | A | Activation, DDE relay | DDE main relay |
| | | |
| 45 | E | Signal, hot film air mass meter | Hot-film air mass meter |
| | | |
| 46 | E | Signal, intake air temperature | Hot-film air mass meter |
| | | |
| 47 | M | Ground Hot-film air-mass meter | Hot-film air mass meter |
| | | |
| 48 | | Not occupied | |
| | | |
| 49 | A | Voltage supply, fuel injector | Injector 1 |
| | | |
| 50 | A | Voltage supply, fuel injector | Injector 3 |
| | | |
| 51 | A | Voltage supply, fuel injector | Injector 2 |
| | | |
| 52 | | Not occupied | |
| | | |
| 53 | | Not occupied | |
| | | |
| 54 | E | Signal, charge-air pressure sensor | Charge-air pressure sensor |
| | | |
| 55 | | Not occupied | |
| | | |
| 56 | E | Signal, rail pressure sensor | Rail pressure sensor |
| | | |
| 57 | E | Signal, fuel temperature | Fuel temperature sensor |
| | | |
| 58 | E | with EU4 exhaust emission standard Signal Exhaust temperature sensor before catalytic converter | Exhaust temperature sensor before catalytic converter |
| | | |
| 59 | E | with EU4 exhaust emission standard Signal Exhaust backpressure sensor | Exhaust backpressure sensor |
| | | |
| 60 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter |
| | | |
| 61 | | Not occupied | |
| | | |
| 62 | E | Signal, camshaft sensor | Hall-effect sensor, camshaft 1 |
| | | |
| 63 | | Not occupied | |
| | | |
| 64 | | Not occupied | |
| | | |
| 65 | | Not occupied | |
| | | |
| 66 | | Not occupied | |
| | | |
| 67 | A/E | Signal CAN bus low | Transmission control |
| | | |
| 68 | A/E | Bi-directional data interface | Preheating control module |
| | | |
| 69 | | Not occupied | |
| | | |
| 70 | M | Ground, preheating control module | Preheating control module |
| | | |
| 71 | A | Signal, volume control valve | Volume control valve |
| | | |
| 72 | A | Signal, rail pressure control valve | Rail pressure control valve |
| | | |
| 73 | M | Ground, fuel injector | Injector 1 |
| | | |
| 74 | M | Ground, fuel injector | Injector 3 |
| | | |
| 75 | M | Ground, fuel injector | Injector 2 |
| | | |
| 76 | | Not occupied | |
| | | |
| 77 | | Not occupied | |
| | | |
| 78 | M | Ground, rail pressure sensor | Rail pressure sensor |
| | | |
| 79 | | Not occupied | |
| | | |
| 80 | M | Ground, charge-air pressure sensor | Charge-air pressure sensor |
| | | |
| 81 | M | with EU4 exhaust emission standard Ground Exhaust backpressure sensor | Exhaust backpressure sensor |
| | | |
| 82 | E | Signal, coolant temperature | Coolant temperature sensor |
| | | |
| 83 | E | Signal, charge air temperature | Charge air temperature sensor |
| | | |
| 84 | E | Signal, oxygen sensor | Oxygen sensor before catalytic converter |
| | | |
| 85 | | Not occupied | |
| | | |
| 86 | M | Ground, oil level sensor | Oil level sensor |
| | | |
| 87 | E | Signal, crankshaft position/rpm sensor | Speed (rpm) sensor |
| | | |
| 88 | | Not occupied | |
| | | |
| 89 | | Not occupied | |
| | | |
| 90 | | Not occupied | |
| | | |
| 91 | A/E | Signal CAN bus high | Transmission control |
| | | |
| 92 | | Not occupied | |
| | | |
| 93 | A | Signal Charge-air pressure controller 1 | Charge-air pressure controller 1 |
| | | |
| 94 | A | Signal, solenoid valve for exhaust gas recirculation | Solenoid valve, exhaust gas recirculation |
| | | |
| 95 | A | with EU3 exhaust emission standard Signal, changeover valve for swirl flaps | Electric changeover valve, swirl flaps |
| | | |
| 95 | A | with EU4 exhaust emission standard Signal Swirl flap actuator | Swirl flap actuator |
| | | |
| 96 | A | with EU4 exhaust emission standard Signal Throttle valve | Throttle valve |
| | | |
| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Voltage supply, control module | B+ potential distributor |
| | | |
| 2 | M | Ground | Ground point |
| | | |
| 3 | E | Voltage supply, control module | B+ potential distributor |
| | | |
| 4 | M | Ground | Ground point |
| | | |
| 5 | E | Voltage supply, control module | B+ potential distributor |
| | | |
| 6 | M | Ground | Ground point |
| | | |
| 7 | E | Terminal 15 | Fuse F29 |
| | | |
| 8 | E/A | Signal Diagnostic link TXD | Diagnostic connector |
| | | |
| 9 | | Not occupied | |
| | | |
| 10 | E | Signal Electronic vehicle immobilization | Electronic vehicle immobilizer (EWS) |
| | | |
| 11 | | Not occupied | |
| | | |
| 12 | E | Signal, electric auxiliary heater | Heating/air conditioning system |
| | | |
| 13 | | Not occupied | |
| | | |
| 14 | | Not occupied | |
| | | |
| 15 | | Not occupied | |
| | | |
| 16 | | Not occupied | |
| | | |
| 17 | | Not occupied | |
| | | |
| 18 | | Not occupied | |
| | | |
| 19 | A | Signal, E-box fan | E-box fan |
| | | |
| 20 | | Not occupied | |
| | | |
| 21 | | Not occupied | |
| | | |
| 22 | | Not occupied | |
| | | |
| 23 | E | Brake light test signal | Brake light switch |
| | | |
| 24 | E | Signal, starter terminal 50 | Fuse F22 |
| | | |
| 25 | | Not occupied | |
| | | |
| 26 | | Not occupied | |
| | | |
| 27 | | Not occupied | |
| | | |
| 28 | | Not occupied | |
| | | |
| 29 | M | Ground, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 30 | M | Ground, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 31 | | Not occupied | |
| | | |
| 32 | A | Activation, fuel pump relay | Fuel pump relay |
| | | |
| 33 | E/A | Signal CAN bus low | Connector, CAN bus |
| | | |
| 34 | | Not occupied | |
| | | |
| 35 | | Not occupied | |
| | | |
| 36 | E | Brake light signal | Brake light switch |
| | | |
| 37 | E | Vehicle speed control signal | Multifunction steering wheel |
| | | |
| 38 | | Not occupied | |
| | | |
| 39 | E | Signal, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 40 | A | Activation Electric fan | Electric fan |
| | | |
| 41 | | Not occupied | |
| | | |
| 42 | | Not occupied | |
| | | |
| 43 | A | Supply, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 44 | A | Signal, electric auxiliary heater | Electric auxiliary heater |
| | | |
| 45 | | Not occupied | |
| | | |
| 46 | E/A | Signal CAN bus high | Connector, CAN bus |
| | | |
| 47 | | Not occupied | |
| | | |
| 48 | | Not occupied | |
| | | |
| 49 | E | Signal Processed wheel speed, rear right | Dynamic stability control (DSC) |
| | | |
| 50 | E | Signal, clutch switch | Clutch switch |
| | | |
| 51 | | Not occupied | |
| | | |
| 52 | E | Signal, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 53 | A | Speed signal | OBDII socket |
| | | |
| 54 | | Not occupied | |
| | | |
| 55 | | Not occupied | |
| | | |
| 56 | A | Supply, accelerator pedal position sensor | Accelerator pedal module |
| | | |
| 57 | | Not occupied | |
| | | |
| 58 | A | Compressor control | Relay, A/C compressor |
| | | |