failed reflash (or maybe just failed!)

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bazzac
MS/Extra Newbie
Posts: 3
Joined: Sat Aug 22, 2015 10:45 am

failed reflash (or maybe just failed!)

Post by bazzac »

Hopefully someone here can assist with my problem,

Megasquirt 1 on msns triggered from a hall sensor.

Initially everything was going well and i had the car running, ready to start tuning, or so i thought!

I have been having problems with the RPM signal sometimes being present and then disappearing completely. From around the same time i have noticed the fuel pump priming on and off. The change that i think i made which i believe to be the root cause was where i used easytherm in order to incorporate a pair of new, non GM sensors. Part of this procedure involved wiping MS unit and reflashing. My guess is that i have done something wrong in this procedure.

Initially i thought it was maybe the condition of my loom and the earthing etc. However i have gone through everything improving where i thought i could but have found no improvement.

My final attempt was to try reflash the unit which seemed to be working until the end where i had an error message stating that "voltage could not be aquired"
my battery was fully charged so this seemed strange.

Now i cannot communicate with the MS no matter what i try.

Any thoughts?
bazzac
MS/Extra Newbie
Posts: 3
Joined: Sat Aug 22, 2015 10:45 am

Re: failed reflash (or maybe just failed!)

Post by bazzac »

i tried the reflash with the jumper in place, this time, it works!!

happy days
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