Thursday, January 14, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 254


Specified value



- Amperage[0.6...1.2] A



Question



- Is the measurement value OK?



YES



The measurement value is OK.End of test



NO



The measurement value is not OK.Possible cause and remedy



- N10/1f57 (Fuse 57)



- N10/1kR (Circuit 87 relay, engine)



- Check lines from component N3/10 (ME-SFI [ME] control unit) to component Y110 (Three-disk thermostat valve).



- Y110 (Three-disk thermostat valve)



End of test



0154



Component Y110 (Three-disk thermostat valve) has a short circuit to ground. (P0598)



Possible cause:



- Y110 (Three-disk thermostat valve)



Affected functions:



- Heating



- Engine cooling



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



Test 1: Check component Y110 (Three-disk thermostat valve).



1. Check component Y110 (Three-disk thermostat valve).



Test 1.1: Component Y110 (Three-disk thermostat valve) is mechanically damaged or it sticks.



Test 1.2: Test current consumption of component Y110 (Three-disk thermostat valve).



1.1. Component Y110 (Three-disk thermostat valve) is mechanically damaged or it sticks.



Test 1.1.1: Y110 (Three-disk thermostat valve) : Coolant temperature is not reached.



Test 1.1.2: Y110 (Three-disk thermostat valve) : Coolant temperature is too high.



1.1.1. Y110 (Three-disk thermostat valve) : Coolant temperature is not reached.



Warning!Communication with ECU required.



1.1.2. Y110 (Three-disk thermostat valve) : Coolant temperature is too high.



Warning!Communication with ECU required.



1.2. Test current consumption of component Y110 (Three-disk thermostat valve).



Figure legend



- A -ConnectionTest cable 35-pin socket box



- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)



- 05 -35-pin socket box



- 050 -126-pin socket box



- 108 -Test cable 266 589 01 63 00



- N3/10 (ME-SFI [ME] control unit)



- II 1-63ConnectionTest cable



- III 64-126ConnectionTest cable