Computer diagnostics of the diesel engine M51D25, DDE 2.0 on BMW E34

DDE 2.0 (M51D25) ECU identification dаta: BMW version 5E4, Bosch numbers 0281001119 / 2287358, with exhaust gas recirculation

ECU Identification

DDE 2.0 of the M51 engine with turbocharger

20 Cruise control switch panel

DDE 2.0 fault code: 20 - cruise control switch panel

47 Engine speed: 727 RPM

21 Fuel quantity adjuster potentiometer: 2686 mV

59 Idle speed correction: 0 RPM

58 Injected fuel quantity: 5.0 mg/stroke

DDE 2.0 main parameters: RPM 727, fuel adjuster potentiometer 2686 mV, injection 5.0 mg/stroke

37 Accelerator pedal position potentiometer: 0 % | 392 mV

25 Idle pedal position switch: OFF

DDE 2.0 pedal and idle dаta: pedal potentiometer 0% (392 mV), idle switch OFF

53 Coolant temperature sensor: 90 °C | 1215 mV

52 Intake air temperature sensor: 44 °C | 3803 mV

35 Fuel temperature sensor: 52 °C | 2529 mV

DDE 2.0 temperature sensor readings: coolant 90°C, intake air 44°C, fuel 52°C

20 Cruise control switch panel: 4960 mV

DDE 2.0 cruise control panel signal: voltage 4960 mV

56 Injection start:

57 Barometric pressure: 1132 hPa

54 Boost pressure sensor: 977 hPa | 1705 mV

15 Power supply: 14.2 V

29 Vehicle speed: 0 km/h

DDE 2.0 injection and pressure parameters: injection start 2.9°, boost pressure 977 hPa, supply 14.2V

26 Brake light switch: not activated

31 Brake light test switch: not activated

28 Clutch or P/N position switch: not activated

44 A/C switch: not activated

DDE 2.0 switch statuses: brake lights, clutch/P/N, A/C - not activated