12/4/19

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 208

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 208



Test 1.1: Test actuation of component Y49/7 (Right camshaft exhaust solenoid).



Test 1.2: Test current consumption of component Y49/7 (Right camshaft exhaust solenoid).



1.1. Test actuation of component Y49/7 (Right camshaft exhaust solenoid).



Test prerequisite



- Engine at idle



- Vehicle stationary



- Coolant temperature > 80锟斤拷 C



- Time since engine start> 60 s



Status of relevant actual value:



- Temperature of coolant:Warning! Communication with ECU required.



Note



- After the actuation it may be necessary to erase the fault memory!



Proceed to 'Actuation' with F2



1.2. Test current consumption of component Y49/7 (Right camshaft exhaust solenoid).



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



- 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

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