scalbert

I see that but this still should be known. My mis-reading needed to be corrected. :o

ModAddict

I will try that tonight

ModAddict

So then the jumpers would need to go to Non-Vtec?

scalbert

No, I would leave them intact and rewire it so that the e-Manage has no control over VTEC.

ModAddict

Wired the VTM and the VTSOL straight thru the harness, bypassing the eman. It wouldn't start. It cranked, and began to start, but stumbled and stalled right away.

SW1: 7
SW2: 8
SW3: D

JP1: 1-2
JP2: 1-2
JP3: 2-3
JP4: 1-2
JP5: Off
JP6: Off
JP7: Off

ModAddict

I hope it fires right up for you. I wish I could get things squared away. Ive disconnected and reconnected, the battery, the eman, the cables from the eman, what seems like a thousand times.

I'm thinking the jumpers should go to non-vtec settings if I've wired vtec around the eman.

scalbert

That doesn't make sense as the e-Manage should operate without the VTEC signal even if the Jumpers were set to do so. Those are just digital I/O and are nothing special. I know numerous things to look and try but it might be better for me to get my harness together first.

I have it about 25% done and will finish up in the morning. I am actually making it a pass though right now and will hook up the e-Manage wires later in the day. But hopefully by the end of the day I should have the car running with the unit. If I run into similar problems I will have the scope with me and will trouble shoot it Saturday and get this resolved.

ModAddict

I keep thinking there's something in the support tool that's not turning on the Vtec signal, but I still don't see why that would cause a fuel cut out. Everything is out of the car, and it's running great. I'll leave it out for now and see how yours turns out.

Good luck!

scalbert

I got the straight through harness done and in the car; it tested out fine without any mishaps. I got the e-Manage harnesses added about 80%; all ignition and injector controls were wired to my harness but that is where the day ended.

It is close and I hope to gain some time this weekend to finish up. Otherwise it will be Monday morning (I've been going in earlier to work on this as I have no time at home )

ModAddict

Now there's an assumption I made with mine!

scalbert

I did screw up one of the sockets though and had a lesson learned; don't cut the pin-outs too short. I am surprised by the amount of time I have into it. Now I am being cautious on the first ones; checking and re-checking. But so far I have about three hours into the harness with about an hour more. In a finished product with the e-Manage harness installed, I could probably complete it in about 2.5 to 3 hours total.

One nice thing too is that with the cable assemblies we do in-house for industrial pressure transducers; the Packard terminal crimping tools we use worked for the AMP terminals as well.

Everything is soldered on and won't be coming off. I just need to see how it will fit under there as there doesn't appear to be enough room to get the carpet back with everything hooked up.

ModAddict

It took me about 4 hours, and my harness was pre-made.

scalbert

But that is the nice part of having a properly equiped work bench, the right tools and good lighting.

JaDia4

I saw a used unit/software for sale on ebay @ $270. 1 day left!

ModAddict

That's where mine will be if I can't get it working!

types1967

dont give up brad!!!!!!!!! well hope that steve gets his working today and he can post whats going on

ModAddict

I'm hoping his fires up w/o a hitch.

types1967

me too fingers crossed

scalbert

It'll be tomorrow before I can get to it. I'm going into the office early to get the harness finished, tested on the bench and then in the car. I should have the time and the equipment available to get it thouroughly tested out tomorrow. This includes trouble shooting.

types1967

good luck steve!!!!!!!!!!!!!!! hope it all goes well

scalbert

Well, good news and bad new. The bad news first:

Brad, I don't know what you did wrong. :P But I think I know the problem.

Now for the good news and as if you haven't already guessed; it fired up and ran immediately. It idled perfectly and ran without a hitch. I went for a quick drive and it revved up climbing past 5200 RPM without a problem allowing me to go to redline without a hiccup.

So it works for me but with a catch. I didn't have the VTEC controls hooked up and for a reason. In reading the e-Manage manual and the FAQ it states that the VTEC pressure switch signal is inverted from the solenoid control signal. However, the shop manual for our car states otherwise. Our return signal is the same as the output control signal; 0 VDC at low revs and battery voltage at high revs. This is most likely the cause for your problem Brad; the ECU never saw the VTEC change over and limited the revs.

Before I hook up the VTEC signals I am going to redo my wiring harness as it is too cramped and I don't like the way it is sitting. I'll do this in the next couple of days and will hard wire the e-Manage harness into the system. I'll also prepare the e-Manage for a permanent home in my glove box like what Brad was planning. This way I will convert over to permanently running off the e-Manage this weekend and the tuning will begin.

types1967

good news steve how much power do you think we will gain as 6speed owners?

ModAddict

Are you thinking we need to reverse the in/out on the VTSOL? When you say hard wire, are you talking about eliminating all those male/female connctors that are on the ign wires and such?

scalbert

Actually we will need to redo and ignore some of the wiring instructions. You will basically tie the ECU output to the input and not use the VTM signal from the e-Manage. Once I get the new harness in place I will do up the new and proper wiring diagram.

Yes, I will hardwire into the actual AMP connector terminals bypassing the quick disconnect terminals supplied with the e-Manage. I'll probably put this all in a small box with just the various harnesses exiting. This way I can mount it up under the dash and not worry about the connections being damaged.

scalbert

I don't know how much exactly and would hate to guess. But proper tuning can often bring out noticeable gains particularly when even more power is desired. Right now our only tuning is by way of the rising rate FPR which is fairly crude.

types1967

well it would be nice to get rid of the fpr and go with bigger injectors and stock fuel pressure im sure the 100 plus psi fuel pressure is not good for our injectors longevity

allmotor_2000

Good job Steve Can't you use a relay to invert the signal going into the ECU (VTEC signal)?

scalbert

Yes, but there is no reason. It follows the solenoid output signal so we can just jumper to it for the pressure switch input.

allmotor_2000

On NA cars... I believe you could get 5-8whp based on fuel-tuning alone. If timing advance were available... maybe another 5-8whp as well. On the FI'd cars.. I believe the gains arn't going to be too much... but the reliability, long-term durability and cleanliness of the setup goes up significantly!

ModAddict

I think I tried that. I tapped, instead of cut, the VTSOL and ran that to the eman Vtec-input, with nothing comming out of the eman. The VTM was straight thru. At this point it's easy for me to try this again if that is correct.

scalbert

Also remember, mine ran fine with the ECU controlling VTEC. So you should be able to bypass that completely.

ModAddict

I can try it either way, what do you think?

I am checking all the associated vtec connections, and I might have a bad crimp on the VTSOL from the ECU. I think I got the insulation. I also was able to push one of the AMP connectors on the frog harness and heard it click. I assumed these were solder connections.

scalbert

Here is how I will be wiring the VTEC control.



Definitely check all of the connections. I had to rewire some and then went back and even soldered some crimp connections just to be sure.

ModAddict

Good call Steve, that did the trick!
Vtec thru the eman, as you suggested, is up and running.

It's a good thing we don't need to send the VTPSW signal out of the eman,...the pin connection on the back of the straight harness fell off in my hand. I'm sure I bent it one too many times.

Did you have the jumpers for the suplimental injectors on, with nothing attached?

scalbert

That is good to hear you are now up and running.

The additional injector control is actually off right now with the ends of the wires covered with electrical tape.

allmotor_2000

Steve. Are you now running with the E-manage installed... but no corrections? This should ideally run the same as NOT having the E-manage installed.. correct?

If this is the case, that's a great first step! Congrats.

ModAddict

I could not have done it without you! Thanks

scalbert

No, it is not in the car right now. I want to redo the harness with all soldered and direct connections including a box for the socket. This will provide the nessesary strain releif too. I also want to use 20 gauge 1007 hook-up wire instaed of the 1015 18 gauge I used. The 18 guage is too stiff to allow easy routing under the tight available area in the footwell. The e-Manage used 1007 20 Gauge also so I might was well go with that too.

I'll have the new marness done this week and the e-Manage will go back in the car into a permanent home in the glove box.

If everything is set to zero, you are correct; it will be running like stock.

types1967

looks like its off to the dyno shop for tuning!!! i hope

scalbert

Not too soon, there is quite a bit to get done and comfortable with first. I'd prefer to know the system is operating well before taking the next step. But I am a bit conservative on these matter sand prefer to know the system is operating as it should before I yank the Comptech FPR, swap injectors and start tuning.

I'm first going to play around with ignition and the additional injection controls just to get familiar.