Saturday, August 24, 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 325


Test sequence



- Switch off ignition.



- ConnectionMeasuring system



- Observe oscilloscope pattern between sockets [M.23] 23 and [F.3] 99 of the 126-pole socket box tester.



- Run engine.



Note



- Measuring system:Communication with ECU required



1.1.3. Check internal resistance of component Y62y1 (Fuel injector cylinder 1).



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 sequence



- Switch off ignition.



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



- Measure resistance with multimeter between sockets [M.23] 23 and [F.3] 99 of the 126-pole socket box tester.



Specified value



- Resistor[11...17]ohms



Question



- Is the measurement value OK?



YES



The measurement value is OK.Note

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