| 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 used | |
| | | |
| 5 | | Not used | |
| | | |
| 6 | M | Sensor ground | Charge-air temperature sensor |
| | | |
| 7 | M | Sensor ground | Dual temperature sensor |
| | | |
| 8 | M | Sensor ground | Exhaust temperature sensor before catalytic converter |
| | | |
| 9 | M | Sensor ground | Exhaust temperature sensor before particle filter |
| | | |
| 10 | E | Engine oil pressure signal | Oil pressure switch |
| | | |
| 11 | M | Sensor ground | Fuel temperature sensor |
| | | |
| 12 | M | Heated oxygen sensor ground | Heated oxygen sensor I in front of catalytic converter |
| | | |
| 13 | | Not used | |
| | | |
| 14 | M | Sensor ground | Hall-effect sensor, camshaft 1 |
| | | |
| 15 | M | Sensor ground | Speed (rpm) sensor |
| | | |
| 16 | M | Oxygen sensor heater signal | Heated oxygen sensor I in front of catalytic converter |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |
| 19 | | Not used | |
| | | |
| 20 | | Not used | |
| | | |
| 21 | | Not used | |
| | | |
| 22 | | Not used | |
| | | |
| 23 | | Not used | |
| | | |
| 24 | A | Electrical changeover valve for engine mount activation | 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 used | |
| | | |
| 29 | | Not used | |
| | | |
| 30 | A | Voltage supply, rail pressure sensor | Rail pressure sensor |
| | | |
| 31 | | Not used | |
| | | |
| 32 | E | Voltage supply, charge-air pressure sensor | Boost pressure sensor |
| | | |
| 33 | E | Power supply, exhaust backpressure sensor | Exhaust backpressure sensor |
| | | |
| 34 | E | Signal, exhaust temperature before particle filter | Exhaust temperature sensor before particle filter |
| | | |
| 35 | | Not used | |
| | | |
| 36 | E | Signal, oxygen sensor before catalytic converter | Heated oxygen sensor I in front of catalytic converter |
| | | |
| 37 | A/E | Bi-directional data interface | Generator |
| | | |
| 38 | | Not used | |
| | | |
| 39 | M | Engine speed signal | Speed (rpm) sensor |
| | | |
| 40 | | Not used | |
| | | |
| 41 | | Not used | |
| | | |
| 42 | | Not used | |
| | | |
| 43 | | Not used | |
| | | |
| 44 | A | Activation of DDE main relay (HRL) | DDE relay |
| | | |
| 45 | E | Hot-film mass air flow sensor signal | Hot-film mass air flow sensor |
| | | |
| 46 | E | Hot-film mass air flow sensor signal | Hot-film mass air flow sensor |
| | | |
| 47 | M | Hot-film mass air flow sensor ground | Hot-film mass air flow sensor |
| | | |
| 48 | | Not used | |
| | | |
| 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 used | |
| | | |
| 53 | | Not used | |
| | | |
| 54 | A | Signal, boost pressure | Boost pressure sensor |
| | | |
| 55 | | Not used | |
| | | |
| 56 | E | Signal, rail pressure sensor | Rail pressure sensor |
| | | |
| 57 | E | Fuel temperature | Fuel temperature sensor |
| | | |
| 58 | E | Signal, exhaust temperature before catalytic converter | Exhaust temperature sensor before catalytic converter |
| | | |
| 59 | E | Signal, exhaust backpressure sensor | Exhaust backpressure sensor |
| | | |
| 60 | E | Signal, oxygen sensor before catalytic converter | Heated oxygen sensor I in front of catalytic converter |
| | | |
| 61 | | Not used | |
| | | |
| 62 | E | Camshaft position sensor signal | Hall-effect sensor, camshaft 1 |
| | | |
| 63 | | Not used | |
| | | |
| 64 | | Not used | |
| | | |
| 65 | | Not used | |
| | | |
| 66 | | Not used | |
| | | |
| 67 | | Not used | |
| | | |
| 68 | A/E | Bi-directional data interface | Preheating control module |
| | | |
| 69 | | Not used | |
| | | |
| 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 used | |
| | | |
| 77 | | Not used | |
| | | |
| 78 | M | Ground, rail pressure sensor | Rail pressure sensor |
| | | |
| 79 | | Not used | |
| | | |
| 80 | M | Ground, charge-air pressure sensor | Boost pressure sensor |
| | | |
| 81 | M | Ground, exhaust backpressure sensor | Exhaust backpressure sensor |
| | | |
| 82 | E | Engine coolant temperature | Dual temperature sensor |
| | | |
| 83 | E | Charge air temperature | Charge-air temperature sensor |
| | | |
| 84 | E | Signal, oxygen sensor before catalytic converter | Heated oxygen sensor I in front of catalytic converter |
| | | |
| 85 | | Not used | |
| | | |
| 86 | M | Ground, oil level sensor | Oil level sensor |
| | | |
| 87 | E | Engine speed signal | Speed (rpm) sensor |
| | | |
| 88 | | Not used | |
| | | |
| 89 | | Not used | |
| | | |
| 90 | | Not used | |
| | | |
| 91 | | Not used | |
| | | |
| 92 | | Not used | |
| | | |
| 93 | A | with diesel particle filter Signal, solenoid valve for charge control | Boost pressure adjuster 1 |
| | | |
| 93 | A | without diesel particle filter Signal, solenoid valve for charge control | Solenoid valve, supercharger control |
| | | |
| 94 | A | Signal, exhaust gas recirculation (AGR) | Changeover valve for exhaust gas recirculation (AGR) |
| | | |
| 95 | A | Signal, switchover valve for swirl flaps | Electric changeover valve, swirl flaps |
| | | |
| 96 | E | 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 | Voltage supply, terminal 15 | Fuse F31 |
| | | |
| 8 | A/E | Diagnosis signal TXD 2 | OBDII plug |
| | | |
| 9 | | Not used | |
| | | |
| 10 | E | Communication link (EWS) | Electronic immobilizer control unit (EWS) |
| | | |
| 11 | | Not used | |
| | | |
| 12 | | Not used | |
| | | |
| 13 | | Not used | |
| | | |
| 14 | | RH front center converter signal line | |
| | | |
| 15 | | Not used | |
| | | |
| 16 | | Not used | |
| | | |
| 17 | | Not used | |
| | | |
| 18 | | Not used | |
| | | |
| 19 | A | Signal, E-box fan | E-Box fan |
| | | |
| 20 | | Not used | |
| | | |
| 21 | | Not used | |
| | | |
| 22 | | Not used | |
| | | |
| 23 | E | Brake light test signal | Brake light switch |
| | | |
| 24 | | Not used | |
| | | |
| 25 | | Not used | |
| | | |
| 26 | | Not used | |
| | | |
| 27 | | Not used | |
| | | |
| 28 | | Not used | |
| | | |
| 29 | M | LCD ground, video module | Accelerator pedal module |
| | | |
| 30 | M | Ground, pedal position sensor 1 | Accelerator pedal module |
| | | |
| 31 | | Not used | |
| | | |
| 32 | A | Activation, fuel pump relay (EKP) | Fuel pump relay |
| | | |
| 33 | A/E | CAN-bus low | CAN link |
| | | |
| 34 | | Not used | |
| | | |
| 35 | | Not used | |
| | | |
| 36 | E | Brake light signal | Brake light switch |
| | | |
| 37 | E | Cruise control signal | Multifunction steering wheel |
| | | |
| 38 | | Not used | |
| | | |
| 39 | E | Output, pedal position sensor 2 | Accelerator pedal module |
| | | |
| 40 | A | Activation, electric fan | Electric fan |
| | | |
| 41 | | Not used | |
| | | |
| 42 | | Not used | |
| | | |
| 43 | A | Voltage, pedal position sensor 1 | Accelerator pedal module |
| | | |
| 44 | | Not used | |
| | | |
| 45 | A | Oil pressure | Instrument cluster |
| | | |
| 46 | A/E | CAN-bus high | CAN link |
| | | |
| 47 | | Not used | |
| | | |
| 48 | | Not used | |
| | | |
| 49 | E | Signal, rear right wheel speed | ABS/DSC control module |
| | | |
| 50 | E | Clutch signal | Clutch switch module |
| | | |
| 51 | | Not used | |
| | | |
| 52 | E | Output, pedal position sensor 1 | Accelerator pedal module |
| | | |
| 53 | A | Engine speed signal | OBDII plug |
| | | |
| 54 | | Not used | |
| | | |
| 55 | | Not used | |
| | | |
| 56 | A | Voltage, pedal position sensor 2 | Accelerator pedal module |
| | | |
| 57 | | Not used | |
| | | |
| 58 | E | A/C compressor signal | Heating and A/C control module |
| | | |