2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 849

Test prerequisite

- The actual values are not okay.

Test sequence

- Measure direct current with multimeter between socket [F.4] 100 of the 126-pole socket box tester and socket [F.45] 15 of the 35-pole socket

box tester.

- Switch on ignition.

Specified value

- Amperage[0.4...0.9] 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

- N10/1f57 (Fuse 57)

- N10/1kI (Circuit 87 relay, engine)

- Line from component N3/10 (ME-SFI [ME] control unit) to component Y58/1 (Purge control valve)

- Line from component N10/1 (Driver-side SAM control unit with fuse and relay module) to component Y58/1 (Purge control valve)

- Y58/1 (Purge control valve)

End of test

2.3. Perform mechanical inspection of component Y58/1 (Purge control valve).

Figure legend

- 019Vacuum tester

- Y58/1 (Purge control valve)

Test prerequisite

- Actuation is OK.

Test sequence

- Switch off ignition.

- Connect the vacuum tester to the input of component Y58/1 (Purge control valve) with the 3 x distributor.

- Operate engine at idling speed.

- Engine at operating temperature