Sunday, August 30, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 633


0767



B6/6 (Left exhaust camshaft Hall sensor) : The alternation frequency of the signal value is implausible. (P0391)



Possible cause:



- B6/6 (Left exhaust camshaft Hall sensor)



Affected functions:



- Engine diagnosis



- Engine output



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Test 1: Check component B6/6 (Left exhaust camshaft Hall sensor).



1. Check component B6/6 (Left exhaust camshaft Hall sensor).



Test 1.1: Check component B6/6 (Left exhaust camshaft Hall sensor) using actual value.



Test 1.2: Check power supply of component B6/6 (Left exhaust camshaft Hall sensor).



Test 1.3: Check assignment of signals from Hall sensors 'Camshafts' and 'Crankshaft'.



1.1. Check component B6/6 (Left exhaust camshaft Hall sensor) using actual value.



Warning!Communication with ECU required.



1.2. Check power supply of component B6/6 (Left exhaust camshaft Hall sensor).



Test prerequisite



- The actual value is not o.k.



Test sequence



- Switch off ignition.



- Detach coupling at component B6/6 (Left exhaust camshaft Hall sensor).



- [ B6/6 ]Measure direct voltage with multimeter between sockets 1 and 3[ B6/6 ]

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