Tuesday, April 20, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 925


Test prerequisites



- Actuation is not OK.



Test sequence



- Measure direct current with multimeter between sockets (F.4) 100 and (M.19) 19 of the 126-pole socket box tester.



- Switch on ignition.



Specified value



- Amperage[0.2...0.6] A



Question



- Is the measurement value OK?



YES



The measurement value is OK.Further possible causes of fault



- Vacuum unit for variable intake manifold



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Voltage supply of component Y22/9 (Intake manifold tumble flap switchover valve)(N10/1f57 (Fuse 57))



- Wiring from control unit N3/10 (ME-SFI [ME] control unit) to component Y22/9 (Intake manifold tumble flap switchover valve)



- Y22/9 (Intake manifold tumble flap switchover valve)



5. No further information available.



1187



Y22/9 (Intake manifold tumble flap switchover valve) : Open circuit (P2008)



Possible cause:



- Y22/9 (Intake manifold tumble flap switchover valve)



- N10/1kI (Circuit 87 relay, engine)