| [ Total Views: 3068 | Total Replies: 29 | Thread Id: 64082 ] |
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 supa74
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| posted on August 1st, 2007 at 02:07 PM |
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wiring diagram ej20h-tt
need a wiring diagram for a ej20h-tt twin turbo 90-94 model also a 95+ if anybody has one. im finding everything but that.
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gazman
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| posted on August 2nd, 2007 at 01:35 PM |
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I've got a 97/98 ej20tt pinout here:
http://www.geocities.com/gazman_4/wiringgallery.html
if I find more I'll post it here.:thumb
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supa74
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| posted on August 3rd, 2007 at 02:12 AM |
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thanks thats what i needed.. appreciate it cheers
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supa74
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| posted on August 5th, 2007 at 02:38 AM |
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ok i had change in plans the engine will be a pre 95 ej20h-tt anybody have a wiring diagram for that? its MUCH NEEDED. :thumb cheers
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gazman
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| posted on August 5th, 2007 at 03:11 AM |
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Try here:
http://www.northursalia.com/modifications/misc/wiring/wiring.html
there are alot of different ecu pinouts so it helps to know the exact year, model etc.
Alternatively you could post a pic of the ecu and/or its model no. and I can probably get a pinout diagram for you.
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supa74
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| posted on August 7th, 2007 at 12:42 PM |
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hey thanks.. im ordering engine so will be a week or two before i post a pic of ecu. thanks appreciate the link. cheers
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gazman
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| posted on August 18th, 2007 at 11:28 PM |
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Hey supa74
I found a full workshop manual that covers the '94 - '97 BG5 etc
its a big download (46.19mb) so I havent had time to check
if it covers your engine & ecu. its at:
http://www6.evilshare.com/03e66a4a-d5a3-1029-b2ec-00a0c993e9d6
If this is the right one let me know and i'll post it on my site to
help others (lots of people lookin for this one!!).
p.s. your ecu should be no-2 on this pic:
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supa74
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| posted on August 28th, 2007 at 01:34 AM |
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hey gazman actually its number 4 - heres a pic of my ecu.
didn't know but australia has a subaru b4 car with the twin turbo ej20 motor.. sweet car right there.
sucks that the states dont sell that car.
heres some pics of my ecu.
http://s99.photobucket.com/albums/l301/airwerx/SubieTech/
also i will try to load up that file late tonight as im on dial up.. slow as heck.maybe it'll have my wiring on there.hoping it will
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supa74
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| posted on August 28th, 2007 at 02:18 AM |
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http://www6.evilshare.com/03e66a4a-d5a3-1029-b2ec-00a0c993e9d6
theres something wrong with that link - gazman whats the deal? claims file not found
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gazman
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| posted on August 28th, 2007 at 01:20 PM |
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Its working for me. I'll download it (yawn, im on dial-up as well!) and if it matches your ecu i'll post the diagrams on my site.
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gazman
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| posted on August 28th, 2007 at 05:23 PM |
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Ok, so that download is for the next model on from yours (ecu no 7 on that pic). If yours is ecu no4
then its probably a 1988-1993 model.
This link definately covers ecu no4 (I checked)
http://www.main.experiencetherave.com:8080/subaru_manual_scans/
I think the differences between Aussie liberty's and U.S. legacy's may be whats causing some confusion.:blah
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supa74
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| posted on August 29th, 2007 at 07:52 AM |
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ok i found out why it would not work for me.. its the number 6 after the www
suppose to be http://www.evilshare
ok thats what the problem was.
mines not a US legacy.. its straight JDM from japan. US some odd reason dont carry the twin turbo motor. freakin stupid.. seems aussie has the best in
alot of things im realizing.
hey thanks for that link.. checkin that out now.. and will download the other link tonight as well..
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supa74
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| posted on September 6th, 2007 at 09:15 AM |
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yeah cause i dl the one from evilshare n thats just the 3 plug to ecu.. tryin out the one you said was the 4 plug..will tell how it goes.
dont know which file it'll be under it starts with 1990 thru 1992 n then jumps to the later year models under fsm.. dont know where u went to find
the 4 plug so i will start from 1990 n work my way down
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gazman
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| posted on September 6th, 2007 at 02:59 PM |
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ok its - 1992_FSM_(Engine_&_Electrical)
then - 1992_Subaru_Service_Manual-Engine_&_Wiring.zip
this manual isn't the best quality so i copied the main ecu diagrams and posted them here -
http://www.geocities.com/gazman_4/wiringgallery.html
src="images/smilies/no.gif" border="0" alt=":no:" title=":no:" />
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brucethegoose
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| posted on September 16th, 2007 at 11:31 AM |
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i have a manx buggy with an ea81 engine in it currently.. i have purchased an ej16 1994ish model. and want to know about wiring etc.. does anyone know
what sensors i need connected to run the motor?? can i then do away with the rest.. please help. thanks brucey.. |
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gazman
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| posted on September 18th, 2007 at 03:22 PM |
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Hey Bruce,
Im fairly certain that the ej16 has the same wiring as the ej20, if this is the case you can find diagrams for it on my site: http://www.geocities.com/gazman_4/wiringgallery.html
or, as Supa74 did, you can send me a pic of your ecu plugs and I can find the appropriate wiring diagram for you.
As for what sensors to run, if your using the stock ecu then your better off using all the sensors, air flow meter etc that came with your motor. The
factory ecu will need all of these to run the engine properly.
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brucethegoose
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 posted on September 19th, 2007 at 03:12 PM |
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ej16 upgrade - for Gazman
Gazman here is a picture of my ecu. Do you have a diagram that matches?????? When wiring engine management do i just cut out extra sensors????
Air-con, gearbox, dash, etc. Will the engine run fine without these?
Thanks Bruce... awaiting your reply
[ Edited on 19-9-2007 by brucethegoose ]
[ Edited on 19-9-2007 by brucethegoose ] |
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brucethegoose
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| posted on September 19th, 2007 at 05:40 PM |
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what is your actual email address.. ill send pics through to it. i cant get pictures to attach in this for some reason... thanks..
[ Edited on 19-9-2007 by brucethegoose ] |
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gazman
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| posted on September 20th, 2007 at 03:15 PM |
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Bruce,
You can find my e-mail address on the 'Contact' page on my website.
Things like aircon and dash/instrument inputs etc are not required to run the engine, however on automatic trans models they do recieve a signal from
the A/T control unit and Im not sure if removing this will affect performance (anybody else know this?) . You should also try and run some sort of
speed sensor if the subie ecu had one originally.
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llange
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| posted on October 8th, 2007 at 01:19 PM |
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Hi gazman.
Is it possible to get diagram for ecu number 6 on the picture?
Thank you in advance !
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gazman
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| posted on October 9th, 2007 at 01:53 PM |
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llange,
what engine is it and what year (if known)
need more detail as that ecu type is uncommon.
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llange
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| posted on October 10th, 2007 at 07:02 AM |
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Hi gazman !
yes, I know it's a very rare ECU. I have wiring diagram for almost all Impreza from 1994 and Legacy from 1995 to 1999 and it's simply impossible to
find it. The most close I could find is a 96 pin ECU.
Well, the engine it's an EJ20 from Legacy 1997. In fact the car is a Impreza 1994 1.8l that had the engine broken and it was replaced by this one.
ECU is labeled: 22644 AA070 and A56-000 R29. There is a big 4J in blue.
Hope it helps...
Thank you in advance !
Luis
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gazman
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| posted on October 11th, 2007 at 03:42 PM |
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wow that ecu is rare! I cant even find a replacement part no. for it 
Looks like you might have to go and hound your local Subaru dealer for some info. 22644 AA070 is the part no.
Subaru have a tech-info site that might help but it does cost a little money to use it - http://techinfo.subaru.com/html/index.jsp
Sorry i couldn't be more help, hope you find what you need.
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llange
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| posted on October 11th, 2007 at 07:26 PM |
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Hello gazman !
Thank you very much for your help. I didn't imagine that this ecu is extremaly rare. Well, I have no more options left: I'll go to this site you
mentioned....
Again, thank you very much !!
Luis
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junkyardoval
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| posted on October 13th, 2007 at 09:15 AM |
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I also have one of these. I can't find anything about it anywhere. I have sent emails to Subaru but got no response. Somebody has to have a
pinout.
Ernie
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llange
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| posted on October 14th, 2007 at 12:10 AM |
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Hi Ernie !
It's really difficult to find this pinout. My conclusion is we cannot find any jdm wiring on the net, only usdm.... I tried to find on google.co.jp
but withou sucess too.
I'll try to go to subaru dealer on another city nearby to see if they have this wiring....
Luis
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mo 1303
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| posted on October 14th, 2007 at 09:35 PM |
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I´m searching for over 2 years for this pinout .....
No chance to find .....
Try an aftermarket system ! google this : van kronenburg kms
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supa74
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| posted on January 4th, 2008 at 10:09 AM |
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i like to find out if anybody knows how to do the wiring. like what wires do i need to keep and what ones do i not want? i know i dont need power
steering, airbag,
i do want to keep the ac and the wires for using subaru gauges. but what i dont know is what wires is the critical ones that i do need to keep. im
guessing the fuel, main ones off the engine??? i have a 94 jdm subaru twin turbo motor.
and im guessing i just splice in my vw 74 beetle main wires in with the subaru harness?
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rocknrob
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| posted on January 4th, 2008 at 05:35 PM |
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I started by labelling all the plugs...aircon, wipers, instrument panel etc. then i shortened every wire to get rid of the tangled mess. I built
supports to hold the ecu and relay fuse boxes in the engine bay(kombi) then i installed it and fired it up then piece by piece i was alble to remove
wires and see if they had any effect. I'm still sorting wires to reconnect but driving everyday. I have the instrument panel installed and want to
install the subaru steering column wands for indicators wipers etc. you need lots of patience but the wiring all starts to make sense
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supa74
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| posted on January 12th, 2008 at 12:24 PM |
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lots of patience  is something i dont have n envy those that do
have it.. thanks for the tips n info. cheers
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