Tuesday, May 18, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 488


- Check voltage supply according to wiring diagram.



4. Check component Y16/2 (Heating system shutoff valve).



Figure legend



- A -ConnectionTest cable 35-pin socket box



- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)



- 05 -35-pin socket box



- 050 -126-pin socket box



- 108 -Test cable 266 589 01 63 00



- N3/10 (ME-SFI [ME] control unit)



- II 1-63ConnectionTest cable



- III 64-126ConnectionTest cable



Warning!



- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).



Continue to test with button F2



Test current consumption of component Y16/2 (Heating system shutoff valve).



Test sequence



- Switch off ignition.



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



- Measure direct current with multimeter between sockets [F.4] 100 and [M.71] 71 of the 126-pole socket box tester.



- Switch on ignition.



Specified value



- Amperage[0.7...1.2] A



Question



- Is the measurement value OK?



YES



The measurement value is OK.End of test



NO



The measurement value is not OK.Possible cause and remedy

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