Saturday, 23 November 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2911


The measurement value is OK.Possible cause and remedy



- Replace component Floor-mounted shift.



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Check fuse f55 (voltage supply from control unit ESM) in component N10/1 (Front SAM control unit with fuse and relay module).



- Check all affected plugs, connectors and electrical components for damage, loose contact, corrosion etc. and repair if necessary.



End of test



Part 2



No CAN message was received from control unit N80 (SCM [MRM] control unit).



1.3.2.1.5. Check power supply at control unit EZS.



Test prerequisite



- Battery voltage is OK.



- Fuse F34.f36 is OK.



Status of relevant actual value:



- Power supply:Warning! Communication with ECU required.



Specified value



- Power supply [11.0...14.5] V



Question



- Is the actual value o.k.?



YES



The actual value is okay.Possible cause and remedy



- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose



contact and corrosion..



- Check alternator.



End of test



NO



The actual value is not o.k.Test sequence



- Switch off ignition.



- Detach sockets A and C at component N73 (EIS [EZS] control unit).



- Measure direct voltage with multimeter between sockets (N73) B.2 and (N73) C.1



Specified value



- Voltage [11.0...14.5] V



Question



- Are the measurement values OK?



YES



The measurement values are OK.Possible cause and remedy



- Inspect connector B,C at control unit N73 (EIS [EZS] control unit) for damage, correct connection, loose contact and corrosion and repair, if



necessary.



- N73 (EIS [EZS] control unit)



End of test



NO



The measurement values are not OK.Possible cause and remedy



- Check lines between components N73 (EIS [EZS] control unit) and N10/1 (Driver-side SAM control unit with fuse and relay module) and



repair or replace if necessary.



- Fuse and component F34 (Interior fuse box)



Continue with button F2

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