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R33 Gtst S2 Wiring Ecu Pin Out


toppertee
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Looks, like I need a little help, trying to get the correct diagram.

I'm building my own ecu with my mate, seems like there may be some slight changes between the S1 & S2 ecu namely the ECCS relay and a couple other pin outs. I was told the my car may have r34 ecu etc as my car is a s2, I've checked, it's not.

I've check the standard skyline work shop manuel, that I purchased of ebay.(that some one on here has made up pdf workshop manuel) Seems to be incorrect. Any one got any ideas?

Cheers

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Little more info,

The problem seems to be the 12 v feed for the eccs relay.

By looking at the rb25 wiring diagram On terminal of the ecu,58 should supply power to this eccs relay. We are not getting this feed. Even with the standard ecu this terminal 58 is not live, To feed, 12 + live to pull the relay in, it uses another terminal, off the top of my head may be terminal 40. (It's cold outside, ATM) I will double check tomorrow!

The injectors, cas, coils, seem to line up with the circuit diagram and we have checked the eccs relay and meter this out. I'm just not to keen to just bridge out the terminal, with 12+ on the mega squirt ecu, with out been 100% sure I'm right. The diagram I have seems to be 95% correct. I do have a jap written diagram which seems to be more correct.

I'm just hoping that someone may have, sorted this problem before? Or I'm wrong! ;-)

Cheers for any help.

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  • 4 years later...

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