Members Page/Fredrik Engzell - VEMS wiki www.vems.hu

I a first time user of VEMS and am applying it to a Mazda LF 2.0

engine with COP and Throttle bodies from Nissan Pulsar Gti-R and hame made extractor exhaust. All this in a Locost super 7 and now fitting a Rotrex C38-81 compressor to reach 300 hp.

Ran it with some help this summer from a local installer who helped out to get the basic map in place and it ran fine for a while but I had connected the generator wrong so I had no battery charging, and this made the battery go flat while we were mapping.

All of a sudden the TPS went dead and what I can see the 5V is not coming out of the EC36/pin29 (and pin28)

Need help with this issue now during winter since the acceleration enrichment is not working.

Thanks for some input on this issue.

I bought an unused system from 2012 with board version 3.6 and full harness from VEMS.

I'm using the original primary HALL trigger and trigger wheel (which works from 12V supply ?).
I needed to get the HALL sensor closer to the trigger wheel to make it work but then it works fine.

I run 4 COP with waste fire and haven't connected the Cam trigger yet. I'm running WBO to be able to map from Lambda. The system has a built in MAP sensor at 400kPa and 2 knocksensors that are not connected. 8 IGBT and LCD display to keep track on things.

The system is working fine except the 28+29 pin on the Econoseal 36 at 5V. I have tested the output from pin 28+29 and only very low,0.13v, is comig out of the box.

I think the 5v dc regulator has been broken.

Could the loss of power and no battery charging from the generator have caused something in the box to break?

hard to tell, not impossible of course (but no need to worry if inputs and outputs work OK).

-This is the problem -they do not work OK and TPS is dead.only getting 0.13v from both 28&29 so Ithink the Voltage regulators inside are dead.

5V is easy to regulate externally, or acquire from the "PS2_5V" 4 throughole pins next to the processor (only remove endplate, no need to unclamp TO220 clamping plates)

-I don not want to fiddle around inside the box because I am not that capabel around electronics.

Mounting the Compressor I'm gonna need the TPS and the ability to enrich the mix at acceleration.