Sunday, June 27, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 939


- B4/3 (Fuel tank pressure sensor)



Affected functions:



- Fuel system



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1303



B4/3 (Fuel tank pressure sensor) : Open circuit (P0451)



Possible cause:



- B4/3 (Fuel tank pressure sensor)



Affected functions:



- Fuel system



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



1304



B4/3 (Fuel tank pressure sensor) : Signal implausible (P0451)



Possible cause:



- B4/3 (Fuel tank pressure sensor)



Affected functions:



- Fuel system



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



1305



Component Y10/1 (Power steering pump pressure regulator valve) has a short circuit to positive.



Possible cause:



- Y10/1 (Power steering pump pressure regulator valve)



Affected functions:



- Steering Function



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Test 1: Check component Y10/1 (Power steering pump pressure regulator valve).



1. Check component Y10/1 (Power steering pump pressure regulator 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



Warning!



- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).



Continue to test with button F2

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