Friday, February 21, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 526


0504



Component A16/1 (knock sensor 1, right) has an electrical fault. (P0325)



Possible cause:



- A16/1 (knock sensor 1, right)



Affected functions:



- Engine running



-------------------------------------------------



Test 1: Check component A16/1 (knock sensor 1, right).



1. Check component A16/1 (knock sensor 1, right).



Test prerequisite



- Engine running



Test sequence



- Briefly blip throttle.



Status of relevant actual value:



- Coolant temperature:Warning! Communication with ECU required.



- Knock control enable:Warning!



Specified value



- Knock control enable:YES



Question



- Is the actual value o.k.?



YES



The actual value is okay.End of test



NO



The actual value is not o.k.Possible cause and remedy



- Lines to component A16/1 (knock sensor 1, right)



- Component A16/1 (knock sensor 1, right)



End of test



0505



Component A16/2 (knock sensor 2, left) has a short circuit to positive. (P0333)



Possible cause:



- A16/2 (knock sensor 2, left)



Affected functions:



- Engine running



-------------------------------------------------



Test 1: Check component A16/2 (knock sensor 2, left).



1. Check component A16/2 (knock sensor 2, left).



Test prerequisite



- Engine running



Test sequence



- Briefly blip throttle.



Status of relevant actual value: