2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 166

Affected functions:

- Engine diagnosis

- Fuel system

1. Signal wire PWM signal Fuel pump

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).

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 [F.17] 113 of the 126-pole socket box tester.

- Switch on ignition.

Specified value

- Amperage[15...20] mA

Question

- Is the measurement value OK?

YES

The measurement value is OK.Other possible cause of fault

- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose

contact and corrosion..

- B4/15 (Fuel pressure sensor)