| Pin | Type | Description / Signal type | Connection /
Measuring notes |
|---|
| 1 | E | Signal Signal, fuel quantity control unit | Injection pump |
| | | |
| 2 | E | Signal, fuel quantity control unit | Injection pump |
| | | |
| 3 | E | Signal Electrical cutout | Electrical cutout |
| | | |
| 4 | E | Signal Warning lamp preheating/diagnostic trouble code | Light module Instrument cluster |
| | | |
| 5 | A | Needle movement sensor (injection time) | SD nozzle |
| | | |
| 6 | E | Pressure converter AGR | Changeover valve for exhaust gas recirculation (AGR) |
| | | |
| 7 | | Not used | |
| | | |
| 8 | E | Preheater time control | Glow plug relay |
| | | |
| 9 | E | Engine mount damping control | Electrical changeover valve, engine mount |
| | | |
| 10 | E | Injection timing control | Timed valve |
| | | |
| 11 | A | Ready indication signal, driving speed | Instrument cluster |
| | | |
| 12 | E | Ground Needle movement sensor (injection time) | SD nozzle |
| | | |
| 13 | E | Sensor ground | Ground splice |
| | | |
| 14 | E | Center pick-off control path sensor | Injection pump |
| | | |
| 15 | E | Activation DDE relay | DDE relay |
| | | |
| 16 | E | Throttle actuator terminal 30 voltage supply Fuse carrier, engine electronics | Fuse F1 DDE |
| | | |
| 17 | E | Throttle actuator terminal 30 voltage supply Fuse carrier, engine electronics | Fuse F1 DDE |
| | | |
| 18 | E | Ground | Ground splice |
| | | |
| 19 | E | Ground | Ground splice |
| | | |
| 20 | | Not used | |
| | | |
| 21 | A | Reference coil control path sensor | Injection pump |
| | | |
| 22 | A | Not used | |
| | | |
| 23 | A | A/C compressor signal | Heating and A/C control module |
| | | |
| 24 | E | A/C compressor relay signal | Heating and A/C control module |
| | | |
| 25 | A | Idle switch | Pedal position sensor |
| | | |
| 26 | E | Brake light signal | Brake light switch |
| | | |
| 27 | | Not used | |
| | | |
| 28 | A | Clutch signal | Clutch pedal position switch |
| | | |
| 29 | E | Engine speed signal | Connector for rear right wheel speed |
| | | |
| 30 | | Not used | |
| | | |
| 31 | A | Brake light test signal | Brake light switch |
| | | |
| 32 | E/A | FGR data link | Multifunction steering wheel control module |
| | | |
| 33 | A | Power | Pedal position sensor |
| | | |
| 34 | A | Power | Hot-film mass air flow sensor |
| | | |
| 35 | A | Fuel temperature | Injection pump |
| | | |
| 36 | A | Oil temperature signal | Oil temperature sensor |
| | | |
| 37 | E | Signal Pedal position sensor | Pedal position sensor |
| | | |
| 38 | E | Hot-film mass air flow sensor signal | Hot-film mass air flow sensor |
| | | |
| 39 | A | Measurement coil, control path sensor | Injection pump |
| | | |
| 40 | E/A | CAN bus low | CAN bus low |
| | | |
| 41 | E | Diagnostic trouble code, glow plug relay | Glow plug relay |
| | | |
| 42 | E/A | Communication line data link TXD | Splice TXD |
| | | |
| 43 | E/A | CAN bus high | CAN bus high |
| | | |
| 44 | E | Switching signal A/C standby | Heating and A/C control module |
| | | |
| 45 | E | Antitheft alarm system signal (EWS) | Electronic drive-away protection control unit (EWS) |
| | | |
| 46 | E | Presupply pump relay | Fuel pump relay |
| | | |
| 47 | A | Engine speed signal | Speed (rpm) sensor |
| | | |
| 48 | | Not used | |
| | | |
| 49 | A | Signal Fuel consumption indicator | Integrated instrument cluster control module (IKE) Instrument cluster |
| | | |
| 50 | A | TD signal (engine speed) | Integrated instrument cluster control module (IKE) Instrument cluster |
| | | |
| 51 | A | Supply for boost pressure sensor | Boost pressure sensor |
| | | |
| 52 | | Not used | |
| | | |
| 53 | A | Coolant temperature | Dual temperature sensor |
| | | |
| 54 | E | Signal Boost pressure sensor | Boost pressure sensor |
| | | |
| 55 | E | Terminal 15 | Fuse F14 |
| | | |