2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 370

Test sequence

- Switch off ignition.

- ConnectionMeasuring system

- Observe oscilloscope pattern between sockets [M.47] 47 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 Y62y3 (Fuel injector cylinder 3).

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.47] 47 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