Re:obd0 to obd1 conversion harness excel files
 

i think the "data link connector" is the wire that needs to be grounded for the CEL control.

Re:obd0 to obd1 conversion harness excel files
 

well that's just gay... I almost finished solderinf the a socket too. Who needs a damn fuel pump eh. Well I guess screew obd1 for now :-\

Re:obd0 to obd1 conversion harness excel files
 

i got mine in and working...kinda. im throwing a code 14 (IACV)...any ideas?

Re:obd0 to obd1 conversion harness excel files
 

does the code re-occur immediately on startup?

Re:obd0 to obd1 conversion harness excel files
 

couple seconds after start up. will do a little stutter at 1500rpms but with a 50% or better throttle it will pass, so its kinda driveable. there are other driveablity problems too, but lets clear the IACV first and hope it solves them too...

Re:obd0 to obd1 conversion harness excel files
 

ya id say that stutter is due to the fact that the iacv isnt letting air pass thru. meanin she's rich until the car starts to pull its own air in.. ?? (maybe? :-[)

Re:obd0 to obd1 conversion harness excel files
 

he has no iacv, just a resistor in the plug to fool that stupid ecu.

Re:obd0 to obd1 conversion harness excel files
 

well apearently im not fooling it well enough :-\

Re:obd0 to obd1 conversion harness excel files
 

have you messed with the iacv slider in uberdata (you are running uberdata aren't you?)

Re:obd0 to obd1 conversion harness excel files
 

a what? of course im running Uberdata :-* but i still have no idea what your talking about???

Re:obd0 to obd1 conversion harness excel files
 

what version are you running? in the newest 1.7, there is an 'iacv slider' at the bottom of the misc. tab, you can adjust the iacv settings with it, don't know if it will work, but mess around with it some, it might do the trick.

Re:obd0 to obd1 conversion harness excel files
 

im pretty sure i have 1.7...but i dont see any IACV ----, just the map scalers...

Re:obd0 to obd1 conversion harness excel files
 

do i have to run a p28 ecu and a vtec dizzy on my car when i do this harness?
i have already converted my car to mpfi...

Re:obd0 to obd1 conversion harness excel files
 

no you dont... i run a P05 ECU... and you dont need a VTEC dizzy, you just need an OBD1/2 dizzy that fits your motor...

Re:obd0 to obd1 conversion harness excel files
 

hey this thread is usless!!.

if your only linking just the PGMFI web site
and the rest of the links posted above are DEAD!!

:P

crap!

falkhen

Re:obd0 to obd1 conversion harness excel files
 

wanna make me one of those for a B16A goin OBD1 with P28 ecu?

Re:obd0 to obd1 conversion harness excel files
 

any one get theres to work? i made 1 but it didnt work i got no codes, but it just wont start. i followed kurts page and i cross referanced a bunch of others, does any one have a how to that works? i have a chipped p06 the ecu works for sure(tried on another car)

thanks
-joseph
e-mail me please crx_dx@hotmail.com

Re:obd0 to obd1 conversion harness excel files
 

Whats links dont work?

I just added some files to the .ZIP on the 1st page.

Re:obd0 to obd1 conversion harness excel files
 

i compared the article i had the the zip posted and noticed two things where different a12(obd1) (fanc) b8(obd0), and b5(obd1) (ACS) b4(obd0),
would these not make my car start?
or maby it was the dizzy wiring

Re:obd0 to obd1 conversion harness excel files
 

any one?

Re:obd0 to obd1 conversion harness excel files
 

I found on my own personal harness that 4 of the distributor wires were wrong. I built the harness of of crx88si's write up and I checked it with the one on pgmfi. either way my car doesn't work, hopefully I find out wtf is wrong soon, my bike isn't that fast.

Re: obd0 to obd1 conversion harness excel files
 

http://www.hondaswap.com/forums/inde...howtopic=29360

Found this today...WOW :o

Re: obd0 to obd1 conversion harness excel files
 

This one and PGMFI both show B4 as Radiator fan and B8 as AC, this one is vice versa. Which is correct? I've got my harness ready except for that.

Re: obd0 to obd1 conversion harness excel files
 

The one on PGMFI.org worked perfect for me.

The harness started my car up, first try, no CELs. "Kurts OBD0->OBD1" conversion.

Re:obd0 to obd1 conversion harness excel files
 

It's pin D4 (or C4 depending on who's chart you're looking at), the Service Check Connector. If you wire it up to pin B20 like these write-up say, you just need to jumper the Ignition Timing Adjustment Connector, the same as if you are adjusting the timing.
I looked it up in the service manual, and I just verified by reading the codes in my CRX.

Re: obd0 to obd1 conversion harness excel files
 

after doing a couple of these swaps for other people i thought i woudl throw this in here sence its not really covered....

i use the stock 'white' plug setup cuz it looks stock for one (most people cant tell the diff between a OBD0 and 1 dizzy with the plugs swapped) and its easy to swap back to OBD0 if there is a need...

http://home.comcast.net/~turbohf/RepinnedOBD1dizzy.jpg
[btw not my pic, know idea whos it accaully is...thanks to whom ever took it :-*]

Re: obd0 to obd1 conversion harness excel files
 

links dont work

Re: obd0 to obd1 conversion harness excel files
 

i dontknwo if this will help. ive been lookng int he yards for the obd1 plugs for the ecu, everytime i find an abd1 car its already been cut. finally i realized theres alot of accords and no body really touches them. usually you can find the plpugs o those cuz the ecu is usually attached cuz who wants to fix up one of those

Re: obd0 to obd1 conversion harness excel files
 

k, the old pic i posted is a little confusing when looking at it....so i made my own pic.... 8)


http://home.comcast.net/~turbohf/OBD...izzypinout.JPG

hope that helps some people out....if not it will save me problems next time i do it ::)

Re: obd0 to obd1 conversion harness excel files
 

Dustin you're a 'tard. :P

Re: obd0 to obd1 conversion harness excel files
 

Is this only for HF/Si's?

Re: obd0 to obd1 conversion harness excel files
 

kinda....it will only work if you have done a MPFI swap to a DX/LX/std...which it should be anyway... the DPFI plug is only like 6 pins (i think) so you would need to swap to a different plug for MPFI or OBD1 setup....


so do a MPFI swap then this should work for you... :-*

Re: obd0 to obd1 conversion harness excel files
 

DPFI is a 5 pin square plug... with no TDC or CYP wires.. the MPFI plug is a 7 pin round plug that includes those two wires.

Re:obd0 to obd1 conversion harness excel files
 

Damn, this thread is very informative. I just printed out like 30 pages of info and pinout diagrams.

I would like to know where to get harness pins as well. There has to be an electronics site that sells these. http://partsexpress.com/ maybe? I'm going to be adding quite a few wires. The OBD-0 pins and OBD-1 pins are not interchangeable, are they? That would be too easy.

I have an 89 dx shell that I'm putting a Z6 and my turbo kit into. I'm planning on doing a dpfi obd0 ---> mpfi obd1 swap, with Uber for fuel management/vtec.

I have the complete DX harness. I have the complete Z6 with all sensors, dizzy, 02, engine subharness. I was planning on using the Z6 engine harness unmodified, except running resistors in line to the injectors so I can use my DSM 450s. I was just going to modify the DX harness that runs from the ECU to the bigass plug in the engine bay.

I still need a obd-1 ecu, and assted plugs. Are the plugs from any 92-95 the same? I can use any OBD-1 ecu, correct? (PR4/P05/P06/p75) Just chip it? I'm heading to the yard, and want to make sure I get the right stuff. There are only a couple of EGs in there.


Sorry for the newbie questions.

Re: obd0 to obd1 conversion harness excel files
 

I have this problem: I have a TD60U OBD1 dizzy from 92-95 prelude. I'd like to make a coversion harness from OBD1 distributor to OBD0 Si engine harness.

Here are my colors:
http://www2.arnes.si/~mjereb2/WIREcolors.JPG

Somebody once wrote:

There is listed blue\green (B15) wire under OBD1. As you can see on the pic there is no wire colored like this on my dizzy. But i have green\yellow wire which is no tlisted there... now i'm confused. Do other wires match those on that list?
Any idea?

Re:obd0 to obd1 conversion harness excel files
 

Im converting my Dual Point(PM5) to Multipoint(P28) and i have some questions in some pins locations from the PM5 ecu, anyone can help?

Heres the pins i need, tell me if are correct (the left ones).

PM5 P28 Function
A11----------TO-----------A9 IAC Valve
B15----------TO-----------A21 ICM
A13----------TO-----------A25 and splice with B1? Main relay
A15----------TO-----------B1 and splice with A25? IGP2(WHAT ITS IGP?)
B13----------TO-----------B9 Starter signal
B10----------TO-----------B11 CYP-P(WHAT ITS CYP-P?)
B12----------TO-----------B12 CYP-M(WHAT ITS CYP-M?)
C1-----------TO-----------B15 CKP-P(WHAT ITS CKP-P?)
C2-----------TO-----------B16 CKP-M(WHAT ITS CKP-M?)
? -----------TO-----------D4 Service Check Connector
C6-----------TO-----------D13 ECT sensor
C5-----------TO-----------D15 IAT sensor

Re: obd0 to obd1 conversion harness excel files
 

any furter updates on doing this??? i am wanting to get one together and most of these links are dead now and i am kind of confused with KURTS on pgmfi..can someone clarify this for me???

Re: obd0 to obd1 conversion harness excel files
 

http://i83.photobucket.com/albums/j3...DPFITOMPFI.jpg

heres a working diagram...

someone besides myself deserves credit for this work

Re: obd0 to obd1 conversion harness excel files
 

im thinking in make my own converssion harness to OBD1 for my EF DOHC ZC. i know need OBD1 dizzy. well what i want to know is what kinda wire it's proper to use for arness. and if anybody has diagram for make conversion.

Ogubudiah if u have same pic but a lil big will appreciate it!