Wednesday, September 8, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 3269


YES



The test was okay.End of test



NO



The test was not okay.Possible cause and remedy



- Test the cables from component N118 (Fuel pump control module) to component M3 (Fuel pump) with the plug connection Plug connection



between the two.



- Replace component M3 (Fuel pump).



End of test



1.3. Test the cables from component N118 (Fuel pump control module) to component M3 (Fuel pump) with the plug connection M3x1 (Fuel



pump connector) between the two.



Test prerequisite



- A fault has occurred during current measurement at component M3 (Fuel pump).



- The internal resistance of component M3 (Fuel pump) is not OK.



Test sequence



- Switch off ignition.



- Unplug 4-pin connector from component N118 (Fuel pump control module).



- Unplug coupling A at component rack M3x1 (Fuel pump connector).



- Check lines to component M3 (Fuel pump) for short and open circuits.



- Measure resistance with multimeter between sockets (N118) 1.3 and X1 3



- Specified value:< 1ohms



- Measure resistance with multimeter between sockets (N118) 1.4 and X1 1



- Specified value:< 1ohms



- Measure resistance with multimeter between sockets (N118) 1.3 and (N118) 1.4



- Specified value:infiniteohms

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