Computer diagnostics of the petrol engine M40B18 on BMW E36

ECU Identification

 

M40B18 with lambda-controlled mixture adaptation, unleaded Normal version with manual transmission

 

• Coding code: c01e
• Bosch hardware number: 0261200520
• Bosch software number: 1267357066
• BMW hardware number: 1739041
• BMW software number: 001
• Manufacturing code: 265

Stored Fault Codes

 

 41   Air flow meter fault

 

 70   Lambda sensor fault

 

 73   Vehicle speed sensor fault

 

 

Live Data

 

 67   Engine speed: 1000 RPM

 

 92   Ignition advance angle: 5° BTDC

 

 78   Engine temperature: 57 °C

 

 77   Intake air temperature: 4 °C

 

 16   Cylinder recognition: OFF

 

 94   Air flow meter signal: 0.614 V

 

 41   Load signal: 9 ms

 

 17   Injection signal: 9.15 ms

 

 12   Throttle position: 0.77 V | partial load

 

 91   Lambda mixture control: OFF

 

 

 

 

 37   Lambda sensor heater: OFF

 

 70   Lambda sensor voltage: 0.456 V

 

 36   Fuel tank ventilation relay: not activated

 

 76   CO adjustment potentiometer: 0.456 V

 

 89   Supply voltage: 13.70 V

 

 73   Vehicle speed: 0 km/h

 

 1   EKR relay: activated

 

 113   Ignition timing intervention: not active

 

 65   Transmission selector position: P/N

 

 81   Anti-theft alarm: OFF

 

 85   A/C compressor: OFF

 

 

 

 

 86   Air conditioning: OFF