8/15/19

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 416

2020 Mercedes Benz Truck ML 350 4MATIC (164.186) V6-3.5L (272.967) WWW.EBAAUTOPARTS.COM Page 416



The injection valve output stage of cylinder 2 detects a short circuit to ground. (P0264)



Possible cause:



- Y62y2 (Fuel injector cylinder 2)



Affected functions:



- Engine diagnosis



- Engine running



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



Test 1: Check component Y62y2 (Fuel injector cylinder 2).



1. Check component Y62y2 (Fuel injector cylinder 2).



Test 1.1: Check component Y62y2 (Fuel injector cylinder 2).



1.1. Check component Y62y2 (Fuel injector cylinder 2).



Safety note



Warning!Risk of explosion, poisoning and injury!Fuels are highly inflammable and toxic if inhaled. Fuels may cause skin damage. fuel vapors are



explosive, invisible and spread out at floor level, they are toxic if inhaled and produce giddiness and an anaesthetizing effect.Rules of conduct and



protective measures



- Wear suitable protective clothing.



- Pay attention to national safety precautions and regulations.



- No fire, sparks, naked flames and smoking.



- Ensure the work place is adequately ventilated.



- Never drain or pour in fuels over assembly pits.



- Store drained fuel in a suitable and sealed vessel.



- Immediately eliminate any fuel which has flowed out.



First-aid measures



- Clean moistened skin with water and soap.



- Change moistened clothing as quickly as possible.



- If fuel gets into your eyes, rinse out your eyes immediately with water and contact a doctor if necessary.



Test 1.1.1: Test actuation of component Y62y2 (Fuel injector cylinder 2).



Test 1.1.2: Test signal voltage of component Y62y2 (Fuel injector cylinder 2).



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



Test 1.1.4: Inspect component Y62y2 (Fuel injector cylinder 2) for leaks.



Test 1.1.5: Inspect operation and spray pattern of component Y62y2 (Fuel injector cylinder 2).



1.1.1. Test actuation of component Y62y2 (Fuel injector cylinder 2).



Test prerequisite



- Coolant temperature > 80锟斤拷 C



- Engine RUNNING



Warning!Communication with ECU required.



1.1.2. Test signal voltage 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)