9/12/19

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 570

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 570



Test 1.1: Test signal voltage of component B70 (Crankshaft Hall sensor).



Test 1.2: Check power supply of component B70 (Crankshaft Hall sensor).



1.1. Test signal voltage of component B70 (Crankshaft Hall sensor).



Test 1.1.1: The engine does not start.



Test 1.1.2: Engine running



1.1.1. The engine does not start.



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



Settings



- Trigger level: 50 %



- Time range: 5 ms



Test sequence



- Switch off ignition.



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



- Observe oscilloscope pattern between sockets (M.80) 80(A7) and (M.81) 81(A4) of the 126-pole socket box tester.



- Start engine.



Specified value



- Measuring system



Warning!The rising signal edge in the gap (see arrow) may vary.Note



- Measuring system:Communication with ECU required