Sunday, 24 November 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2122


- Inspect connector A at control unit N80 (Steering column module) for damage, correct connection, loose contact and corrosion and repair, if



necessary.



- Otherwise select further tests.



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Line between component N80 (Steering column module) and component N10/1 (Driver-side SAM control unit with fuse and relay module)



- Z7/58 (Circuit 30 connector sleeve)



- Line between component N80 (Steering column module) and component W15/1 (Ground (right footwell))



- Z6 (Ground connector sleeve)



- N10/1 (Driver-side SAM control unit with fuse and relay module)



End of test



1.1.3.2.1.13. Check power supply at control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit).



Operation number of operation texts and work units or standard texts and flat rates:27-0641Test prerequisite



- Battery voltage is OK.



- Fuse N10/1f46 (Fuse 46) in component N10/1 (Driver-side SAM control unit with fuse and relay module) is o.k.



Test sequence



- Switch off ignition.



- Separate plug connection at transmission.



- Measure voltage in transmission wiring harness using a multimeter.



- Switch on ignition.



Measure direct voltage with multimeter between 5 and 4Specified value



- Voltage [8,5...16,4] V



Question



- Is the measurement value OK?



YES



The measurement value is OK.Further causes



- The diagnosis line is not OK



- Perform test on diagnosis line.



Press button "F2" for further tests



Test K cable to control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit).

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