Vtec e / Dual Vtec

[tony_2018]

Originally Posted by vrmouseyd15b

maybe that's what TK should try: pin a 4-wire o2 to the ecu. cheaper than a ecu, I'm sure.

I actualy have both obd2b auto and manual ecus. They run 1 wire o2 sensor.

[tony_2018]

Originally Posted by vrmouseyd15b

thanks


I have. the car HATES the auto throttle body. can't adjust it to where it won't spit and sputter all over at idle or idle below a "respectable" 3000rpm. tried all kinds of combinations of gaskets / throttle bodies (auto and manual since I have both) , but this is the only one that works for me so far.

Thiis is interesting to know. I will definiitely try this out.

[tony_2018]

Originally Posted by cbaber

No EGR? BTW, the D15B 3 stages run the 1-wire o2 sensor, the 4-wire is a heated O2 sensor. It will work if it's wired correctly, the difference is the heating element of the 4-wire and running the P2J-003 it's probably not being utilized unless the heating is not ECU controlled.

It is possible to use the d16y8 intake manifold, from what i was told the p2j ecu does not throw a code, annd i dont see a cel code in the list either.

[vrmouseyd15b]

that might be the secret to why mine works - IF p2j-j62 = obd2b. my harness is pretty stock, aside from the iacv, vtec solenoids, and econo light. my harness is in a 1996 civic lx auto body (obd2a, if I'm not mistaken)

[vrmouseyd15b]

[/QUOTE]If you ecu is indeed 2B, then your VTEC-E solenoid is connected to B12 and VTEC is B24.

For 2A VTEC-E is A8 & VTEC is A21.

If it is EX Pin B12 is VTEC solenoid for OBD2B and A8 for OBD2A.[QUOTE]

found it here:
D15b 3-stage vtec ecu - D-series.org - I love how the first dude on there said there's no such thing as 3 stage vtec!!! LOL

Looks like I was mistaken. I'm pinned to a8 and a21 for my vtec's for sure...

[tony_2018]

Been there and that place is a very good source for the CORRECT pinouts for the obd2a setup, even for the econo light. I'm on there as another user and confirmed all obd2b pinouts, I didn't find them I confirmed them.

Yeah there are people out there that just don't keep an open mind about things and think they know it all.....sad really.

[tony_2018]

Originally Posted by vrmouseyd15b

that might be the secret to why mine works - IF p2j-j62 = obd2b. my harness is pretty stock, aside from the iacv, vtec solenoids, and econo light. my harness is in a 1996 civic lx auto body (obd2a, if I'm not mistaken)

p2j-j62 is obd2a and is for the automatic cvt tranmission, but because your not using the cvt transmission control module it doesn't affect you as much as the obd2b version of the ecu. The tcm is built into the ecu itself with the obd2b version. Maybe thats probably why most people can get away with using the obd2a auto version.

[vrmouseyd15b]

Originally Posted by tony_2018

p2j-j62 is obd2a and is for the automatic cvt tranmission, but because your not using the cvt transmission control module it doesn't affect you as much as the obd2b version of the ecu. The tcm is built into the ecu itself with the obd2b version. Maybe thats probably why most people can get away with using the obd2a auto version.

makes perfect sense. at that point, can you tell me how the "power and econo" buttons hit the ecu? I'd like to think If there was an "econo" switch engaged ( on the steering wheel on a vx? never seen it, only read about it) it would let me lean burn into part of the 16v operation, maybe.

[tony_2018]

Originally Posted by vrmouseyd15b

makes perfect sense. at that point, can you tell me how the "power and econo" buttons hit the ecu? I'd like to think If there was an "econo" switch engaged ( on the steering wheel on a vx? never seen it, only read about it) it would let me lean burn into part of the 16v operation, maybe.

There is no econo switch. You might be referring the sport mode switch they had for certain models of cvt. I wanted to try it out, I even picked up an d16y5 with the cvt, ecu and tcm. I ended up junking it because my dad was complaining I had junk sitting around, can't complain its his house. Right now my d15b is running the d16y7 ecu for inspection purposes but I'm ready to switch it out to a 5spd and run the manual p2j-j11 ecu and my gas mileage will be better.

[tony_2018]

I like how OP deleted all his posts when all he had to do was reply back with what we asked. We're on the internet, we're not there with him to see whats connected and whats not, what ecu he used, how he has everything planned out. This is the reason why we as board members, or any technical honda forum, ask questions whether you said its done or not. How else do you plan on getting help online. If this doesn't make sense than I don't know what will work to assist people online.