Computer diagnostics of the petrol engine M40B16 on BMW E36

M40B16 ECU identification dаta: coding code c01e, Bosch hardware 0261200522 / software 1267356586, BMW hardware 1734709 / software 001

ECU Identification

 

M40B16 with lambda-controlled mixture adaptation, unleaded version with manual transmission

 

  • Coding code: c01e
  • Bosch hardware number: 0261200522
  • Bosch software number: 1267356586
  • BMW hardware number: 1734709
  • BMW software number: 001
  • Manufacturing code: 170

Stored Fault Codes

 

 20   Idle control valve opening coil

 

 

M40B16 ECU fault code: 20 - idle control valve opening coil

Live Data

 

 67   Engine speed: 1240 RPM

 

 92   Ignition advance angle: 27° BTDC

 

 78   Engine temperature: 81 °C

 

 77   Intake air temperature: 38 °C

 

 16   Cylinder recognition: active

 

 94   Air flow meter voltage: 0.326 V

 

 41   Load signal: 2.2 ms

 

 17   Injection signal: 5.40 ms

 

 12   Throttle position: 0.42 V | partial load

 

 91   Lambda mixture control: OFF

 

 

M40B16 ECU main parameters: RPM 1240, ignition 27°, engine temp 81°C, load and injection signals, AFM voltage

 

 

 37   Lambda sensor heater: ON

 

 70   Lambda sensor voltage: 0.442 V

 

 36   Fuel tank ventilation: not activated

 

 76   CO adjustment potentiometer (without catalytic converter): 0.442 V

 

 89   ECU supply voltage: 13.90 V

 

 73   Vehicle speed: 0 km/h

 

 1   Fuel pump: activated

 

 113   Ignition timing intervention: not active

 

 65   Transmission selector position: P or N

 

 81   Anti-theft alarm: OFF

 

 85   A/C compressor: OFF

 

 

M40B16 ECU system states: lambda sensor, tank ventilation, CO potentiometer, supply 13.9V, fuel pump, transmission, alarm

 

 

 86   Air conditioning: OFF

 

 

M40B16 ECU A/C status: air conditioning OFF