Thursday, January 16, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 2154


Specified value



- [11...14 V]



Question



- Is the measurement value OK?



YES



The measurement value is OK.Note



- 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..



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Lines to component N51 (AIRmatic with ADS control module)



- F34f37 (Fuse 37)



End of test



1.1.3.2.1.10.1.3. Test procedure ground cable



Test prerequisite



- Battery voltage is OK.



Test sequence



- Switch off ignition.



- Connect socket box.



- W15/Measure resistance with multimeter between 1 and (2.21) 55 of the 35-pole socket box tester.



Specified value



- [<1ohms]



Question



- Is the measurement value OK?



YES



The measurement value is OK.Note



- 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..



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Ground cable



- W15/1 (Ground (right footwell))



End of test



1.1.3.2.1.10.2. Test voltage supply of circuit 87.



Test 1.1.3.2.1.10.2.1: Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).



Test 1.1.3.2.1.10.2.2: Test of cable for voltage supply



Test 1.1.3.2.1.10.2.3: Test procedure ground cable



1.1.3.2.1.10.2.1. Test voltage of terminal 87 at control unit N51 (AIRmatic with ADS control module).



Test prerequisite



- Battery voltage is OK.



Test sequence



- Switch off ignition.

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