MSpnp pro for 90-93 for vvt swap issues
Dear awesome community,
Im in the end phase of my vvt swap for my 91 miata. After having blown countless fuses I got somewhat of a progression. I've cut the 5v, ground and signal wire of the tps and the cam and crank signal wires. Then I connected these with a 16 pin connector (connector 3 on the ecu). https://cimg8.ibsrv.net/gimg/www.mia...873447ffa7.jpgecu with 16pin connector connected Now with connector 1 and 3 connected the tps works fine and no fuses blow. But I do not get any signal from the crank or cam sensor (tested with the composite logger) I will check this evening what happens when I connect connector 4. presumably F2 blows because thats what kept happening. What might be causing these issues ? Very kind regards cedric |
wait wut?
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Originally Posted by Braineack
(Post 1416678)
wait wut?
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everything after "dear"
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Originally Posted by Braineack
(Post 1416681)
everything after "dear"
Well, After following all the steps in the instructions on how to instal the megasquirt I loaded up the basemap for the vvt engine which is from an 03. I used the VTPS from that engine aswell. I wired the tps wrong and thus blew the fuse. I rewired the tps and now its working. But as soon as I plug in the bigger factory plug, a fuse blows on the ms3 board |
this is a 90-93 mspnp-pro?
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Originally Posted by Braineack
(Post 1416684)
this is a 90-93 mspnp-pro?
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what other wiring changes did you make?
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Originally Posted by Braineack
(Post 1416686)
what other wiring changes did you make?
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why did you do it that way?
I would have brought the vTPS in through the OE TPS wires, and the crank/cam via the CAS connector. are you trying to have the MS provide the 12v to power the crank and cam sensors??? |
Originally Posted by Braineack
(Post 1416694)
why did you do it that way?
I would have brought the vTPS in through the OE TPS wires, and the crank/cam via the CAS connector. are you trying to have the MS provide the 12v to power the crank and cam sensors??? |
This is what you get when you don't follow the VVT megathread wiring instructions
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Originally Posted by Savington
(Post 1416734)
This is what you get when you don't follow the VVT megathread wiring instructions
the only thing that changed is the location of the signal wires. and the tps. Can't I use both connectors at the same time then ? |
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