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9/17/19

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1745

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1745



- 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



Test voltage supply of circuit 15.



Test sequence



- Measure direct voltage with multimeter between sockets [ F.2 ] 98 and [ F.15 ] 111 of the 35-pole socket box tester.



- Switch on ignition.



Specified value



- Voltage[11.0...15.0] V



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

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1013

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1013



- Read fault memory from control unit ESP and rectify faults.



End of test



1461



B11/4 (Coolant temperature sensor) : Coolant temperature is too high. (P0116)



Possible cause:



- B11/4 (Coolant temperature sensor)



- Y110 (Three-disk thermostat valve)



- The cooling performance of the engine cooling system is poor.



Affected functions:



- Engine diagnosis



- Engine cooling



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



Test 1: The cooling performance of the engine cooling system is poor.



Test 2: Check component B11/4 (Coolant temperature sensor).



Test 3: Check component Y110 (Three-disk thermostat valve).



1. The cooling performance of the engine cooling system is poor.



The cooling performance of the engine cooling system is poor.



2. Check component B11/4 (Coolant temperature sensor).



Test 2.1: Check component B11/4 (Coolant temperature sensor) using actual value.



Test 2.2: Check signal lines on component B11/4 (Coolant temperature sensor).



Test 2.3: Check internal resistance of component B11/4 (Coolant temperature sensor).



2.1. Check component B11/4 (Coolant temperature sensor) using actual value.



Test prerequisite



- The actual value is not o.k.



Test sequence



- Switch on ignition.



Status of relevant actual value:



- Coolant temperature:Warning! Communication with ECU required.



- Coolant temperature sensor ( Signal voltage ):Warning! Communication with ECU required.



Specified values



- Voltage[20锟斤拷 C]: [3.45...3.32] V



- Voltage[30锟斤拷 C]: [2.93...2.82] V



- Voltage[40锟斤拷 C]: [2.41...2.32] V



- Voltage[50锟斤拷 C]: [1.93...1.86] V



- Voltage[60锟斤拷 C]: [1.51...1.46] V



- Voltage[70锟斤拷 C]: [1.18...1.13] V



- Voltage[80锟斤拷 C]: [0.90...0.87] V



- Voltage[90锟斤拷 C]: [0.70...0.67] V



- Voltage[100锟斤拷 C]: [0.54...0.25] V



- Voltage[110锟斤拷 C]: [0.42...0.40] V



Question



- Are the measurement values OK?



YES



The measurement values are OK.End of test

9/16/19

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 411

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 411



Test sequence



- Switch off ignition.



- ConnectionMeasuring system



- Observe oscilloscope pattern between sockets [M.51] 51 and [F.3] 99 of the 126-pole socket box tester.



- Run engine.



Note



- Measuring system:Communication with ECU required



1.1.3. Check internal resistance of component Y62y2 (Fuel injector cylinder 2).



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



Test sequence



- Switch off ignition.



- Connect socket box (126-pin) to component N3/10 (ME-SFI [ME] control unit).



- Measure resistance with multimeter between sockets [M.51] 51 and [F.3] 99 of the 126-pole socket box tester.



Specified value



- Resistor[11...17]ohms



Question



- Is the measurement value OK?



YES



The measurement value is OK.Note

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 2377

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 2377



1.1.3.2.2.7. Check power supply at control unit N47-5 (ESP, SPS [PML] and BAS control unit).



Test 1.1.3.2.2.7.1: Test voltage of terminal 87 at control unit N47-5 (ESP, SPS [PML] and BAS control unit).



Test 1.1.3.2.2.7.2: Test of cable for voltage supply



Test 1.1.3.2.2.7.3: Test procedure ground cable



1.1.3.2.2.7.1. Test voltage of terminal 87 at control unit N47-5 (ESP, SPS [PML] and BAS control unit).



Test prerequisite



- Battery voltage is OK.



Test sequence



- Switch off ignition.



- Connect socket box.



- Switch on ignition.



- Measure direct voltage with multimeter between sockets (2.23) 57 and (2.14) 48 of the 126-pole socket box tester.



Specified value



- [11...14 V]



Question



- Is the measurement value OK?



YES



The measurement value is OK.Note



- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose



contact and corrosion..



End of test



NO



The measurement value is not OK.Possible cause and remedy



- Lines to component N47-5 (ESP, SPS [PML] and BAS control unit)



- N10/1f47 (Fuse 47)



End of test



1.1.3.2.2.7.2. Test of cable for voltage supply



Test prerequisite



- Battery voltage is OK.



Test sequence



- Switch off ignition.



- Connect socket box.



- Switch on ignition.



- Measure direct voltage with multimeter between ground and socket (2.14) 48 of the 126-pole socket box tester.



Specified value



- [11...14 V]



Question



- Is the measurement value OK?



YES



The measurement value is OK.Note



- In the event of stored faults with a high fault frequency count or in the event of customer complaints, check lines and connectors for loose



contact and corrosion..



End of test



NO



The measurement value is not OK.Possible cause and remedy

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 210

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 210



Test sequence



- Measure direct current with multimeter between sockets [F.4] 100 and [M.24] 24 of the 126-pole socket box tester.



- Switch on ignition.



Testing of maximum power consumption may be conducted for no longer than 5 s.Specified value



- Amperage[1.0...1.8] 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



- N10/1f43 (Fuse 43)



- Line from component Y49/7 (Right camshaft exhaust solenoid) to component N3/10 (ME-SFI [ME] control unit)



- Y49/7 (Right camshaft exhaust solenoid)



End of test



0067



Component Y49/7 (Right camshaft exhaust solenoid) has an open circuit in the wiring. (P0013)



Possible cause:



- Y49/7 (Right camshaft exhaust solenoid)



- Voltage supply via component Z7/38 (Circuit 87 M1i connector sleeve)



Affected functions:



- Engine diagnosis



- Engine output



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



Test 1: Power supply



Test 2: Check component Y49/7 (Right camshaft exhaust solenoid).

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 2168

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 2168



YES



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



1.1.3.2.1.2. No further information available.



1.1.3.2.1.3. Check power supply at control unit A1 (Instrument cluster).

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 472

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 472



- Voltage[11.0...15.0] V



Question



- Are the measurement values OK?



YES



The measurement values are OK.Further possible causes of fault



- Test voltage supply of circuit 30.



NO



The measurement values are not OK.Possible cause and remedy



- N10/1f43 (Fuse 43)



- N10/1f44 (Fuse 44)



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



- Lines



- N10/1 (Driver-side SAM control unit with fuse and relay module)



End of test



1.4. Test current consumption of component N10/1kR (Circuit 87 relay, engine).



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



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