Sunday, January 3, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1857


The measurement value is OK.Cause



- Control module has an internal error.



REMEDY



- Disassemble and assemble automatic transmission using the repair instructions.



- Exchange electrohydraulic control unit.



IMPORTANT NOTEFollowing the repair measures, the following checks MUST be carried out using the Diagnosis Assistance System, menu



'Control unit adaptations'



- Flash programming of control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit)



- SCN coding



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Diagnostic cable has short to ground.



- Inspect wiring and connectors at connection points for loose contacts, damage and corrosion. Repair or replace as required.



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Diagnostic cable has open circuit.



- Inspect wiring and connectors at connection points for loose contacts, damage and corrosion. Repair or replace as required.



End of test



NO



The measurement value is not OK.Further causes



- Voltage supply line is not OK.



Press button "F2" for further tests



1.1.3.2.1.13. No further information available.



1.1.3.2.2. Resistance test of engine compartment CAN



Test 1.1.3.2.2.1: Test terminating resistor of CAN element in control module N3/10 (ME-SFI [ME] control unit).



Test 1.1.3.2.2.2: Test total resistance of engine compartment CAN.



Test 1.1.3.2.2.3: Test terminating resistor of component X30/5 (Left voltage distributor (CAN) connector).



1.1.3.2.2.1. Test terminating resistor of CAN element in control module N3/10 (ME-SFI [ME] control unit).



Test terminating resistor of component N3/10 (ME-SFI [ME] control unit).



Test sequence



- Switch off ignition.



- Connect socket box to component N3/10 (ME-SFI [ME] control unit).



- Connector F is plugged in at control unit.



- Unplug the socket F from the wiring harness at the socket box.



- Measure resistance with multimeter between sockets (F.41) 11 and (F.54) 24 of the 35-pole socket box tester.



Specified value



- Resistor[115...125]ohms



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