2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 174

YES

The measurement value is OK.End of test

NO

The measurement value is not OK.Possible cause and remedy

- Check internal resistance of component M3 (Fuel pump).

- Test the cables from component N118 (Fuel pump control module) to component M3 (Fuel pump) with the plug connection X1 between the

two.

- M3 (Fuel pump)

End of test

1.2. Check internal resistance of component M3 (Fuel pump).

Test prerequisite

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

- The power supply of the control unit N118 (Fuel pump control module) is OK.

Test sequence

- Switch off ignition.

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

- Measure resistance.

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