Sunday, 1 December 2019

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1336


YES



The measurement values are OK.End of test



NO



The measurement values are not OK.Possible cause and remedy



- B2/5b1 (Intake air temperature sensor)



End of test



2. Check component B11/4 (Coolant temperature sensor).



Test 2.1: Check component B11/4 (Coolant temperature sensor) using actual value.



Test 2.2: Check signal lines on component B11/4 (Coolant temperature sensor).



Test 2.3: Check internal resistance of component B11/4 (Coolant temperature sensor).



2.1. Check component B11/4 (Coolant temperature sensor) using actual value.



Test prerequisite



- The actual value is not o.k.



Test sequence



- Switch on ignition.



Status of relevant actual value:



- Coolant temperature:Warning! Communication with ECU required.



- Coolant temperature sensor ( Signal voltage ):Warning! Communication with ECU required.



Specified values



- Voltage[20锟斤拷 C]: [3.45...3.32] V



- Voltage[30锟斤拷 C]: [2.93...2.82] V



- Voltage[40锟斤拷 C]: [2.41...2.32] V



- Voltage[50锟斤拷 C]: [1.93...1.86] V



- Voltage[60锟斤拷 C]: [1.51...1.46] V



- Voltage[70锟斤拷 C]: [1.18...1.13] V



- Voltage[80锟斤拷 C]: [0.90...0.87] V



- Voltage[90锟斤拷 C]: [0.70...0.67] V



- Voltage[100锟斤拷 C]: [0.54...0.25] V



- Voltage[110锟斤拷 C]: [0.42...0.40] V



Question



- Are the measurement values OK?

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