2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 185

1.3.2.1.2. Check power supply at control unit ESP.

Test 1.3.2.1.2.1: Test voltage of terminal 87 at control unit N47-5 (ESP, SPS [PML] and BAS control unit).

Test 1.3.2.1.2.2: Test of cable for voltage supply

Test 1.3.2.1.2.3: Test procedure ground cable

1.3.2.1.2.1. Test voltage of terminal 87 at control unit N47-5 (ESP, SPS [PML] and BAS control unit).

1.3.2.1.2.1. No further information available.

1.3.2.1.2.2. Test of cable for voltage supply

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- Switch on ignition.

- Measure direct voltage with multimeter between ground and socket (1.14) 14 of the 126-pole socket box tester.

Specified value

- Voltage[11.0...14.5] V

Question

- Is the measurement value OK?

YES

The measurement value is OK.Note

- Select further tests.

NO

The measurement value is not OK.Possible cause and remedy

- Lines

- F1f34 (Fuse 34)

End of test

1.3.2.1.2.3. Test procedure ground cable

Test prerequisite

- Battery voltage is OK.

Test sequence

- Switch off ignition.

- Connect socket box.

- W16/Measure resistance with multimeter between 3 and (2.23) 57 of the 35-pole socket box tester.