8/14/19

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1517

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 1517



- WIS is not available on this system.



- It is not possible to display the requested WIS document [ pe0019p2200da ].



- You can start WIS on another system and display the WIS document by entering the document number [ pe0019p2200da ] in the 'Contents'



field.



1.1.3.1.2. No further information available.



1.1.3.2. Measurements with multimeter on CAN network



Test 1.1.3.2.1: Voltage supply of engine compartment CAN control modules



Test 1.1.3.2.2: Resistance test of engine compartment CAN



1.1.3.2.1. Voltage supply of engine compartment CAN control modules



Test 1.1.3.2.1.1: Check power supply at control unit A1 (Instrument cluster).



Test 1.1.3.2.1.2: Check power supply at control unit A89 (DTR controller unit).



Test 1.1.3.2.1.3: Check power supply at control unit N3/10 (ME-SFI [ME] control unit).



Test 1.1.3.2.1.4: Check power supply at control unit N15/3 (ETC [EGS] control unit).



Test 1.1.3.2.1.5: Check power supply at control unit N15/5 (Electronic selector lever module control unit).



Test 1.1.3.2.1.6: Check power supply at control unit N15/6 (Sprintshift control module).



Test 1.1.3.2.1.7: Check power supply at control unit N47-5 (ESP, SPS [PML] and BAS control unit).



Test 1.1.3.2.1.8: Check power supply at control unit N51 (AIRmatic with ADS control module).



Test 1.1.3.2.1.9: Check power supply at control unit N63/1 (DTR control module).



Test 1.1.3.2.1.10: Check power supply at control unit N71 (Headlamp range adjustment control module).



Test 1.1.3.2.1.11: Check power supply at control unit N73 (EIS [EZS] control unit).



Test 1.1.3.2.1.12: Check power supply at control unit N80 (Steering column module).



Test 1.1.3.2.1.13: Check power supply at control unit Y3/8n4 (Fully integrated transmission control (VGS) control unit).



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



Test prerequisites



- The fuses are OK.



- The power supply of the control unit N10/1 (Front SAM control unit with fuse and relay module) is OK.



Test sequence



- Switch off ignition.



- Detach the socket at component A1 (Instrument cluster).



- Measure direct voltage with multimeter between sockets (A1) 1 and (A1) 6



- Measure direct voltage with multimeter between sockets (A1) 2 and (A1) 6



- Measure direct voltage with multimeter between sockets (A1) 3 and (A1) 6



- Switch on ignition.



Specified value



- Voltage [11.0...14.5] V



Question:Is the measurement value OK?



YES



The measurement value is OK.Possible cause and remedy



- Perform inspection of connector and of socket for bent pins and enlarged contacts.



- Control unit A1 (Instrument cluster)