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Old 06-10-2017   #1
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vnt boost solenoid mes test

hi all
does anyone have any source figures for actual % vaues or actual vacuum expected figures for the vnt actuator solenoid output vacuum during mes actuator test.eg 50%-75%-0%? or 500mbar 750mbar 0mbar etc
i am in the process of rigging an external vac source to complete this test as in mes the engine is off to test and the vac quickly runs out.
so far first shot it appears to be similar to gauge fuction sweeps of set values and a max min.
question is anyone know what its supposed to be?
heres a quick vid but required someone else to run the pump so even here the vac runs short in a cycle or 2 .

thanks in advance
having trouble posting a youtube link? its a download tab here?
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Last edited by sussexa; 06-10-2017 at 10:57.
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Old 07-10-2017   #2
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Re: vnt boost solenoid mes test

Found if you select boost solenoid in parameters then go to actuators and do the boost solenoid test it shows the actual commanded values on the screen.
For reference they are 75% then 100% then 0% in a cycle.
Of course unless you have a very good vac supplying the system you would never see the actuator give enough vac to reach stop pin max spool position.
Will post vid after but again run out of vac quickly after 1 cycle.
heres vid
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Last edited by sussexa; 07-10-2017 at 10:45.
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