Saturday, August 17, 2019

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.

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