Scope view of Cummins CR injection events. Pilot is always active.

Do you think it is always the same on the TNT regardless of the settings?
 
Joesixpack said:
What I've been probing is one of the the high side banks of 3 injectors with reference to ground. So you see the whole show, high voltage discharge, low voltage maintenance current and high side charging.


The ecu in the driver stage has a booster circuit that brings the voltage up to ~60 - 80 volts by capturing back emf from the solenoids themselves.

I should draw up a circuit that would give a better idea of whats going on.
Click to expand...

Could I get a pretty picture pretty please? I'm still fuzzy on this... :thankyou2:
 
Begle1 said:
Could I get a pretty picture pretty please? I'm still fuzzy on this... :thankyou2:
Click to expand...

This should give you an idea of the basic function. On a side note those Asian cuties figure skating are cleaning house......google Biellmann spin.

IMG_1832.jpg
 
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