Sunday, May 23, 2021

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 1891


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 total resistance of engine compartment CAN.



Test 1.1.3.2.2.2: Test terminating resistor of component X30/5 (Left voltage distributor (CAN) connector).



Test 1.1.3.2.2.3: Test terminating resistor of CAN element in control module N3/10 (ME-SFI [ME] control unit).



1.1.3.2.2.1. Test total resistance of engine compartment CAN.



Test 1.1.3.2.2.1.1: Perform measurement at component X30/5 (Left voltage distributor (CAN) connector).



Test 1.1.3.2.2.1.2: Perform measurement at component N3/10 (ME-SFI [ME] control unit).



1.1.3.2.2.1.1. Perform measurement at component X30/5 (Left voltage distributor (CAN) connector).



Test total resistance of engine compartment CAN.



Figure legend



- X30/5 (Left voltage distributor (CAN) connector)



Test sequence



- Switch off ignition.



- Measurement with multimeter



- (X30/5) 2.Measure resistance with multimeter between pins 2 and 2.1 (X30/5)



Adapter cable no. W220 589 00 99 36 may be used.Specified value



- [55...65]ohms



Question:



- Is the measured value within the specified value range?