Thursday, February 11, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1868


1.1.3.2.1.3. Check power supply at control unit N3/10 (ME-SFI [ME] control unit).



Test 1.1.3.2.1.3.1: Test voltage supply of circuit 87. ( Check using actual value )



Test 1.1.3.2.1.3.2: Test voltage supply of circuit 30.



Test 1.1.3.2.1.3.3: Test current consumption of component N10/1kR (Circuit 87 relay, engine).



Test 1.1.3.2.1.3.4: Test voltage supply of circuit 15.



1.1.3.2.1.3.1. Test voltage supply of circuit 87. ( Check using actual value )



Test prerequisite



- The voltage test at component G1 (Battery) is o.k.



- Ignition ON



Status of relevant actual value:



- Battery voltage:Warning! Communication with ECU required.



Specified value



- Battery voltage[11.0 ... 15.0] V



Question:Is the actual value o.k.?



YES



The actual value is okay.End of test



NO



The actual value is not o.k.Possible cause and remedy



- Test voltage supply of circuit 30.



- Test voltage supply of circuit 87.



1.1.3.2.1.3.2. Test voltage supply of circuit 30.



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



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