Monday, July 13, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 798


Test sequence



- Switch off ignition.



- Remove fuel rail together with component Y62 (Fuel injectors).



- Connect socket box (35-pin) to component N3/10 (ME-SFI [ME] control unit).



- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).



- Insert bridge.:



- Bridge between socket (F.2) 98 of the 35-pole socket box tester and socket (F.17) 113 of the 126-pole socket box tester.



- Switch on ignition.



- Component M3 (Fuel pump) runs.



- Hold component Y62 (Fuel injectors) in a vessel and briefly operate manually with shop-made test cable set at sockets 5 and 9 of the 35-pin



socket box.



Specified value



- Fuel injectors should eject fuel uniformly.



Question



- Was the test o.k.?



YES



The test was okay.End of test



NO



The test was not okay.Possible cause and remedy



- Y62 (Fuel injectors)



End of test



2.1.4. Check exhaust system for leaks.



Possible cause of fault



- Leaks



Possible remedy



- Check entire exhaust system for leaks.



2.1.5. Check component Y58/1 (Purge control valve).



Test 2.1.5.1: Actuate component Y58/1 (Purge control valve).



Test 2.1.5.2: Test current consumption of component Y58/1 (Purge control valve).