Saturday, November 9, 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 820


YES



The actual value is okay.Further possible causes of fault



- Unmetered air



- Signal wire



- B2/5 (Hot film mass air flow sensor)



End of test



NO



The measurement value is not OK.Possible cause and remedy



- N10/1f43 (Fuse 43)



- Cable for voltage supply



End of test



5. Check self-adaptation of mixture formation.



Test sequence



- Check actual value Selfadaptation of mixture formation.



- Carry out the following tests.



Continue with button F2



Warning!Communication with ECU required.



1065



Relay for air pump : Short circuit to positive (P2258)



Possible cause:



- N10/1kP (Secondary air injection relay)



- N10/1kR (Air pump or oil cooler fan relay)



- N10/1f61 (Fuse 61)



Affected functions:



- Engine diagnosis



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