Rewiring MR2 with Syvecs TBV/IACV Question

stevieturbo
Posts: 1376
Joined: Sun Dec 07, 2008 2:04 pm

Re: Rewiring MR2 with Syvecs TBV/IACV Question

Post by stevieturbo »

To have proper sequential injection, knock control etc etc you need a phase sync. So there must be a cam trigger somewhere.
stevieturbo
Posts: 1376
Joined: Sun Dec 07, 2008 2:04 pm

Re: Rewiring MR2 with Syvecs TBV/IACV Question

Post by stevieturbo »

I would assume that is just because you are COP now. The trigger mechanisms will still be inside the dizzy body
shmed
Posts: 46
Joined: Fri Jan 10, 2014 11:05 am

Re: Rewiring MR2 with Syvecs TBV/IACV Question

Post by shmed »

Thanks for being patient with me :D

I'll open up the dizzy delete to see what is inside.
shmed
Posts: 46
Joined: Fri Jan 10, 2014 11:05 am

Re: Rewiring MR2 with Syvecs TBV/IACV Question

Post by shmed »

Hi, this is what is inside the cover:

Image

Turns out that I was using the wrong ECU connector too. Found the actual one in a box of bits and it has far fewer wires connected, which makes life a bit easier.
stevieturbo
Posts: 1376
Joined: Sun Dec 07, 2008 2:04 pm

Re: Rewiring MR2 with Syvecs TBV/IACV Question

Post by stevieturbo »

There will be another trigger in there too for phase/sync ID as well as that visible at the front

I would strongly recommend moving to a crank trigger with a missing tooth, instead of using that 24T trigger on the camshaft.

You will still need the phase/sync trigger inside the dizzy either way
shmed
Posts: 46
Joined: Fri Jan 10, 2014 11:05 am

Re: Rewiring MR2 with Syvecs TBV/IACV Question

Post by shmed »

There are two sensors inside the dizzy cover, and there is also a crank position sensor (simple two wire one).

Looking at the old writing, it seems that the two sensors were connected at some point, I suspect they shared a ground.

What I can't get my head around is that there are four wires going to the cam position sensor, but only two required by the ECU (cam phase and ground).
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