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2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 695


Possible cause:



- B37 (Accelerator pedal sensor)



- M16/6 (Throttle valve actuator)



Affected functions:



- Engine diagnosis



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



Test 1: Check component B37 (Accelerator pedal sensor).



Test 2: Check component M16/6 (Throttle valve actuator).



1. Check component B37 (Accelerator pedal sensor).



Test 1.1: Check component B37 (Accelerator pedal sensor) using actual value.



Test 1.2: Check power supply of component B37 (Accelerator pedal sensor).



1.1. Check component B37 (Accelerator pedal sensor) using actual value.



Test sequence



- Switch on ignition.



Status of the relevant actual values:



- B37 (Pedal value sensor) Voltage 1:Warning! Communication with ECU required.



- B37 (Pedal value sensor) Voltage 2:Warning! Communication with ECU required.



Specified values



- Accelerator pedal position:Idle speed



- B37 (Accelerator pedal sensor)Signal1 : [0.2...0.5] V



- B37 (Accelerator pedal sensor)Signal2 : [0.1...0.5] V



- Accelerator pedal position:Kickdown



- B37 (Accelerator pedal sensor)Signal1 : [4.3...4.8] V



- B37 (Accelerator pedal sensor)Signal2 : [2.1...2.5] V



Question



- Are the actual values o.k.?



YES



The actual values are okay.End of test



NO



The actual values are not okay.Possible cause and remedy



- Check power supply of component B37 (Accelerator pedal sensor).



- Check lines from component N3/10 (ME-SFI [ME] control unit) to component B37 (Accelerator pedal sensor).



- B37 (Accelerator pedal sensor)



1.2. Check power supply of component B37 (Accelerator pedal sensor).



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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