Computer diagnostics of the M43B18 engine, DME 1.7.2 on BMW E34

ECU identification window DME M1.7.2 (0261203280, code 801e) for M43B18 in E34 chassis

ECU Identification

DME M1.7.2 of the M43B18 engine with lambda-controlled mixture adaptation, unleaded Super version with manual transmission

73 Vehicle speed sensor signal

Fault code 73 - vehicle speed sensor signal fault in DME M1.7.2

1 Fuel pump: activated

12 Throttle position: 0.50 V | idle

16 Cylinder recognition (CMP sensor): active

17 Injection signal: 4.44 ms

29 Intake air mass: 11.8 kg/h

DIS live-data 1: fuel pump status, CMP sensor, throttle, injection time, air mass flow

36 Fuel tank ventilation: activated

37 Lambda sensor heater: activated

41 Load signal: 1.95 ms

65 A/C compressor: OFF

67 Engine speed: 920 RPM

70 Lambda sensor voltage: 0.189 V

73 Vehicle speed: 0 km/h

DIS live-data 2: tank ventilation, lambda heater, load, RPM, lambda voltage, speed

76 CO adjustment potentiometer: 4.823 V

77 Intake air temperature: 12 °C

78 Engine temperature: 56 °C

81 Anti-theft alarm (DWA): OFF

86 Air conditioning: OFF

DIS live-data 3: CO potentiometer, air and coolant temperatures, alarm and A/C statuses

91 Lambda mixture control: active

92 Ignition advance angle: 17.25° BTDC

94 Air flow meter voltage: 0.194 V

97 Knock control system: OFF

101 Fuel cut-off at overrun: not active

DIS live-data 4: lambda control, ignition timing, AFM voltage, knock control, overrun fuel cut-off

112 Transmission selector position: P/N

113 Ignition timing intervention: OFF

DIS live-data 5: transmission selector position (P/N) and ignition timing correction status