Friday, June 19, 2020

2010 Mercedes Benz C 300 (204.054) V6-3.0L (272.947) Page 846


- Check voltage supply according to wiring diagram.



4. Check component Y22/6 (variable intake manifold switchover valve).



Test 4.1: Test actuation of component Y22/6 (variable intake manifold switchover valve).



Test 4.2: Test current consumption of component Y22/6 (variable intake manifold switchover valve).



4.1. Test actuation of component Y22/6 (variable intake manifold switchover valve).



Test prerequisite



- The vacuum system is leaktight.



Test sequence



- Run the engine for a short time and switch off again.



- Switch on ignition.



- Actuate component Y22/6 (variable intake manifold switchover valve).(Actuate with key F2.)



Specified value



- Testing The rod of the vacuum unit can be seen to operate.(See arrow)



Warning!Communication with ECU required.



4.2. Test current consumption of component Y22/6 (variable intake manifold switchover valve).



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