How to wire a vq35 into your 95 s14

[dudewutup]

HERE IT IS! this thread is to help you guys, if you find any errors let me know and they will be corrected asap!

How to wire a 2003 VQ35 into a 1995 obdi 240sx

this is the first revision of this wrightup, there may be errors if any are found contact me at zilvia@dudewutup or [email protected] if i have not gotten back in touch with you within 1 week. please do not flood my email with a bunch of questions post questions in the thread in whitch this is posted.
most importantlly at all you do this wiring jobat your own risk! i am not responsable your you "messing up your car". now that all the formalities are out the way its time to get this baby started!!

First and foremost this is my gift to the 240sx community. i made this not because i have to, i made it to help advance the platform! im not asking for handouts but if you feel that this wrightup was a big help please donate to the cause, im not a bif shop and i dont have deep pockets all of this is personally funded by myself. so if this was a sucess give me a hand so that i can give you guys more.
paypal
[email protected]

*things you will need

origonal uncut obdi ka24de harness
2003 vq35 engine harness
black tape
wire pliers
soldering gun/iron
a large flat serfice
the "everything that is vq zip file"MEGAUPLOAD - The leading online storage and file delivery service
lots of extra wire
a few hours

*optional but reccomended

paitence
knife or razorblade
a quiet area to work in (i did mine at work)
a computer with internet access close by
general knoladge of wiring
masking tape for lableing your wires(trust me this makes life easy)
some tunes to keep you company

*not needed

anything that was not mentioned before (duh)

The first thing i reccomend is to get aquainted with the type of wiring you are going to come in contact with, study the ecu plug for the vq35(page 103 of the ec.pdf in the 350z service manual.zip) and f3(f395240sx.jpeg) plug for the 240sx. i will be retaining my abs so i will also give instruction on how to keep it, if you dont have abs or dont plan to keep it simply skip this part of the wrightup.


Alright all brushed up on the location and layout of the plugs we will be dealing with? good.....

next we get to do a little bit of creative deconstruction. get your ka24 harness and remove all the black tape and loom.
it should look somrthing like this:


hopeflly you havn't cut any wires yet! now we want to remove the f3 and abs plugs from the harness. start with the f3 plug, the trick is to keep the wires that run to the engine bay and ecu relay and cut the ones that run to the ecu. be sure that you leave yourself atleast 6" of wire from the f3 plug. now you cut all your excess wires (leave yourself atleast 6" of course) you need to keep the wiper harness conector and the ecu relay plug. you should be left with 3 plugs f3, ecu relay, and wiper motor plug.

next we ned to remove the abs,just as you did with the f3 plug remove it from the main harness. cut the wires leading to the ecu and retain all the rest.

at this point if you had any grounds lable them.

the next thing we want to do is lable the wires coming from your f3 plug.

use this diagram(1995240sx) and lable what you have.

alright its break time, wash your hands, grab a snack,watch a little tv, and prepare for the scary part of this whole process!


its time to become really aquainted with the vq35 ecu plug.

this is probably the scaryest part of the swap and its not even that bad.

LABEL EVERYTHING AS YOU CUT IT! DO NOT LEAVE UNLABELD WIRES HANGING AROUND!!

in order here are the wires to cut, the color code, and what to lable. leave yourself atleast 6".

1 b engine ground
82 b/w aap ground
83 g/r aap2 ground
85 lg data link conector
86 r CAN communication line
90 lg aap power supply
91 b/or aap2 power supply
94 l CAN communication line
98 g/b aap pedal position2
106 g/or aap pedal position 1
109 w/b ign switch
111 gy/l ecm relay
113 lg/b fuel pump relay
115 b/w ground
116 b/r ground
119 g/y power supply for ecm
120 p power supply for ecm
121 r/w power supply (back up)

Optional wires......

23 r/b injector signal bank 1 (used for tach)



That wasnt so bad was it? here is some quick shots of what i got.....



tired of lableing wires yet?didnt think so, we have two more things to lable.
we will start off with the gas pedal. i dont have exact measurements but you should need 4-6' to span across from the gas pedal to the ecu. its best to try to get wire that matches the color that it should be. solder everything because all of this is voltage sensitive.

here is the basic numbered pinout, i used a g35 gas pedal instead of a 350z so there were some color diffrences.


use my pin positions and label everything.

Z33 Gas pedal plug E123 pinout goes like this

Plug Pin Color ECU Pin Color(if color changed) What its labled
Pin 1 Green/Red
Pin 2 Red/Yellow
Pin 3 Black/White
Pin 4 Black/Orange
Pin 5 Yellow
Pin 6 Blue

if you have wire to match pins 1-6 it will make life much easier.


next is adding wire to your obdii port. depending on were you locate your port the distance can vary greatly, and as aleays the same color wire really helps.

Z33 OBDII Plug goes as follows

1 emtpy
2 empty
3 empty
4 Black (Ground) Behind instrument cluster Plug M30
5 Black/White (Ground) Right side of dash Plug F152 (Turns black at plug)
6 Blue (CAN Line H)
7 Purple (K line)
8 Green/Yellow 10amp Hot IN or ON Start
9 Empty
10 Empty
11 Empty
12 Empty
13 Empty
14 Empty
15 Red (CAN Line-L)
16 Red/White 15amp Hot At All Times



now for the fun part tieing everything in

we will start off with the f3 plug

F3 --------------->ecu

1 b/r 119 g/y & 120 p
11 b/p 113 lg/b


then the gas pedal

pedal ------------>ecu

Pin 1 Green/Red ----------- Pin 83---------------- GndA2
Pin 2 Red/Yellow ---------- Pin 98 (Green/Blk) --- ApS2
Pin 3 Black/White --------- Pin 82 --------------- GndA
Pin 4 Black/Orange ------- Pin 91--------------- AVC C2
Pin 5 Yellow --------------- Pin 106 (Grn/Orng) -- Aps1
Pin 6 Blue ------------------ Pin 90 (LghtGrn)----- AVC C

and last the obdii port
port ecu personal
4 b n/a ground
5 b/w n/a ground
6 l 94 l n/a
7 pu 85 lg n/a
8 g/y n/a ign sorce
15 r 86 r n/a
16 r/w n/a 12V +

What remains from the ecm....

1 b ground
111 gy/l from output from the ecu relay
115 b/w ground
116 b/r ground
109 w/b ign sw
121 r/w 12+ constant




if you followed this guide and took it step by step, your ecu has had nats removed, and you have an engine in the car. you should be able to start it up.
















sources and credits:
IRAX: 2003 350z complete .pdf
sourceing obdii pinout
sourceing gas pedal plug pinout
giving me that extra kick in the ass to make this wrightup happen
talking tech with me
and his vast knoladge of the s-chasis
om1krom: for the f3 pinout


thanks to everyone who may have helped me! and enjoy the gift to the community.

[dudewutup]

also what are the chances this becomes a sticky?

[slamn240]

is there any pictures of the final product? that would help. I agree this should be sticky

[dudewutup]

there will be, im still working with it, as well as getting some more pictures

[gunmetalr32]

Epic... Thanks for taking the time to help

[dudewutup]

Thanks man, its only going to get better. My actual swap thread has a pretty fair amount of information in it as well. Ill get plenty more pictures of everything too.

[rik boellen]

hi there

my name is rik from the netherland and i'm going to start my swap the nex months and this winter, in europe we only got sr20's and i'm going to use this tread as a guide
i wil post my wireing that may be a little difrent.

thanks a lot

regards rik

[dudewutup]

What year is your car I've got a pinout for the f4 plug on a 95 sr200sx if it can be any help ill send it to you. As long as your vq harness and ecu are 03 this wrightup is a winner for you, if you need any more help let me know and ill try my best to help you out.

[rik boellen]

i really apriciate your help thanks!

my car is a 95,- euro spec sr20det
i'm leaving tomorrow for a holiday the next 2 weeks, i can choose my engine swap., is it better to use a 2003 model vq.
i'v got a extra vq35 (single engine incl harnes excl ecu) i wil check out when i'm back in the garage,.
is the z33 europe model different than the us version?
and what about mccinney motorsport swap mounts? is this a good fit?, never find a built ho has used them

ps. sorry for my english,..

regards rik

[ka-titties]

can you use the s14 diagnostic plug instead of the z33 one?

[ka-titties]

also, this section:

now for the fun part tieing everything in

we will start off with the f3 plug

F3 --------------->ecu

1 b/r 119 g/y & 120 p
11 b/p 113 lg/b


then the gas pedal

pedal ------------>ecu

Pin 1 Green/Red ----------- Pin 83---------------- GndA2
Pin 2 Red/Yellow ---------- Pin 98 (Green/Blk) --- ApS2
Pin 3 Black/White --------- Pin 82 --------------- GndA
Pin 4 Black/Orange ------- Pin 91--------------- AVC C2
Pin 5 Yellow --------------- Pin 106 (Grn/Orng) -- Aps1
Pin 6 Blue ------------------ Pin 90 (LghtGrn)----- AVC C

and last the obdii port
port ecu personal
4 b n/a ground
5 b/w n/a ground
6 l 94 l n/a
7 pu 85 lg n/a
8 g/y n/a ign sorce
15 r 86 r n/a
16 r/w n/a 12V +

What remains from the ecm....

1 b ground
111 gy/l from output from the ecu relay
115 b/w ground
116 b/r ground
109 w/b ign sw
121 r/w 12+ constant

could be explained in a little more depth. as in, not using abbreviations to make reading a little easier. the part about wiring the f3 plug to the ecu makes no sense how i'm reading it along with the part about wiring the obd2 port to the to the ecu. what is "port ecu personal?"

[ej1bullet]

hi i was wondering haw wold i do it of i have a 89 240 harness ?? i already got the tyranny, motor , ecu ,harness and mounts ... all i need is haw to do the harness ...

[Mister.E]

if i ever decide to do this swap, ill just send my wiring to you! LOL

great job man!

[Om1kron]

thanks for the shotout, but I am not responsible for that f3 plug pinout. A guy named Jay made it. I just wanted to preserve it because it makes the f3 plug stupid simple! Glad to see everything workout for you!

[dudewutup]

Originally Posted by ej1bullet

hi i was wondering haw wold i do it of i have a 89 240 harness ?? i already got the tyranny, motor , ecu ,harness and mounts ... all i need is haw to do the harness ...

To be honest this was my first venture with anything nissan, but if you can link me the fsm for a 89 I can look it over and see im I can help

[ej1bullet]

Originally Posted by dudewutup

To be honest this was my first venture with anything nissan, but if you can link me the fsm for a 89 I can look it over and see im I can help

ok to be honest this is my first time ever in the Nissan world ...... so whats fsm ?? lol

[ej1bullet]

Originally Posted by ej1bullet

ok to be honest this is my first time ever in the Nissan world ...... so whats fsm ?? lol

Ok I think I know already the wire diagram .... Is that corect ?

[dudewutup]

Factory service manual. If you can find one for your piticular year and link it too me ill work a little magic. They say s13 is alot easier than s14

[ej1bullet]

Originally Posted by dudewutup

Factory service manual. If you can find one for your piticular year and link it too me ill work a little magic. They say s13 is alot easier than s14

i found it http://www.240edge.com/manuals/89-90_240sx/wiring_2.pdf thanks man i really need this im basically dun just finish the mounts ...
do you got any links that can help me with the s 13????

[40flash]

I'm not familier with Megaupload. Of what benefit will this be to me? I don't know what it does or how this will help me. Basically, why do I need it? I downloaded it on your recommendation but don't understand what to do with it now that I have it?

[irax]

Originally Posted by 40flash

I'm not familier with Megaupload. Of what benefit will this be to me? I don't know what it does or how this will help me. Basically, why do I need it? I downloaded it on your recommendation but don't understand what to do with it now that I have it?

spam? yeah I think this is spam

[irax]

Originally Posted by rik boellen

i really apriciate your help thanks!

my car is a 95,- euro spec sr20det
i'm leaving tomorrow for a holiday the next 2 weeks, i can choose my engine swap., is it better to use a 2003 model vq.
i'v got a extra vq35 (single engine incl harnes excl ecu) i wil check out when i'm back in the garage,.
is the z33 europe model different than the us version?
and what about mccinney motorsport swap mounts? is this a good fit?, never find a built ho has used them

ps. sorry for my english,..

regards rik

1.) If you can find me the z33 euro model wiring diagram I'll check for differences... has to be in UK English though. A colour diagram would help out too.
2.) the McKinney mounts are the only ones still around for a reason.

Originally Posted by ka-titties

can you use the s14 diagnostic plug instead of the z33 one?

As long as it is the OBDII plug it should be the same

Originally Posted by ka-titties

also, this section:


could be explained in a little more depth. as in, not using abbreviations to make reading a little easier. the part about wiring the f3 plug to the ecu makes no sense how i'm reading it along with the part about wiring the obd2 port to the to the ecu. what is "port ecu personal?"

There is a lot of stuff not exactly explained the in FSM about that... All I know is where to wire it. Though his write up is slightly different (in naming convention only) than what I gave him IIRC since I deleted everything out of my inbox. But the pins and colors are accurate and that's what matters for the most part (using this write up at face value).

Originally Posted by ej1bullet

i found it http://www.240edge.com/manuals/89-90_240sx/wiring_2.pdf thanks man i really need this im basically dun just finish the mounts ...
do you got any links that can help me with the s 13????

Just get McKinney mounts, they are great for the price.

[rik boellen]

hi

i did try the wireing..
and the europe z33 is the same.
I try to figure out the last wires. the trotle body dont have his power feed.
I did read the ecu and have only power to trotle body and p1610..
currently i'm into the chassis modifications and than i try to find out the electronics.(i will asked you guys)
when it runs i do a write up..

mc cinney mounts are ok.

regards rik

[40flash]

Originally Posted by irax

spam? yeah I think this is spam

Thanks so much for this thread. I've been sweating this part of my swap for the two years I've been working on the car. I'm nearing the finish line on my VQ to 95 S14 swap. I'm basically down to the wiring. I am trying to figure out if I want to give it a try myself or send the looms to someone who has done them.
I don't know why you would think this is spam? It wasn't intended as spam at all. I have never dealt with Megaupload and didn't understand what it was or how to use it. I have figured it out since that post. I've been a car guy all my life but not a computer guy. Forgive me.
I understand the gas pedal wiring and what the wires go to but the section just below that part of the write confuses me a little. Please help.
Let me know if I am interpeting the directions correctly. The abreviation n/a is used several times. What is n/a? Probably something simple that I missed. Sorry

and last the obdii port
port ecu personal --------------What is this?
4 b n/a ground --------------- ground to the chassis??
5 b/w n/a ground ------------- 5 b/w ground to chassis?
6 l to 94 l n/a ---------------- 6 l to 94 on the ECU plug?
7 pu 85 lg n/a ---------------- 7 pu to 85 on the ECU plug
8 g/y n/a ign sorce ----------- 8 g/y to any 12v ignition source?
15 r 86 r n/a ----------------- 15r to 86 on the ECU plug?
16 r/w n/a 12V + ------------ 16r/w to 12v constant on?

Do I have these correct?

What remains from the ecm....

1 b ground
111 gy/l from output from the ecu relay ---- Not sure what to do with this? Do I connect 111gy to the stock S14 ecu relay? color code for that wire?
115 b/w ground
116 b/r ground
109 w/b ign sw
121 r/w 12+ constant
All of these come from the f3 plug and

[irax]

Originally Posted by 40flash

Thanks so much for this thread. I've been sweating this part of my swap for the two years I've been working on the car. I'm nearing the finish line on my VQ to 95 S14 swap. I'm basically down to the wiring. I am trying to figure out if I want to give it a try myself or send the looms to someone who has done them.

I don't know why you would think this is spam? It wasn't intended as spam at all. I have never dealt with Megaupload and didn't understand what it was or how to use it.

I have figured it out since that post. I've been a car guy all my life but not a computer guy. Forgive me.


I understand the gas pedal wiring and what the wires go to but the section just below that part of the write confuses me a little. Please help.
Let me know if I am interpeting the directions correctly.

The abreviation n/a is used several times. What is n/a? Probably something simple that I missed. Sorry

and last the obdii port
port ecu personal --------------What is this?
4 b n/a ground --------------- ground to the chassis??
5 b/w n/a ground ------------- 5 b/w ground to chassis?
6 l to 94 l n/a ---------------- 6 l to 94 on the ECU plug?
7 pu 85 lg n/a ---------------- 7 pu to 85 on the ECU plug
8 g/y n/a ign sorce ----------- 8 g/y to any 12v ignition source?
15 r 86 r n/a ----------------- 15r to 86 on the ECU plug?
16 r/w n/a 12V + ------------ 16r/w to 12v constant on?

Do I have these correct?

What remains from the ecm....

1 b ground
111 gy/l from output from the ecu relay ---- Not sure what to do with this? Do I connect 111gy to the stock S14 ecu relay? color code for that wire?
115 b/w ground
116 b/r ground
109 w/b ign sw
121 r/w 12+ constant
All of these come from the f3 plug and

I really couldn't understand your post from before, and I have as much trouble understanding this one too but I'll see what I can do.

the MEGAUPLOAD link is to a file that you should download if you are doing this swap. It is a .ZIP file, so if you are using an older operating system like windows XP you will need to download and install the program WinZIP which is available at WinZip - Windows Zip Utility - Zip Files, Unzip Files to be able to open the .ZIP archive. Alternatively you could use the program WinRAR as well, which could be found at WinRAR download and support: Start. If you have Windows Vista or Windows 7 you should be able to open the archive just fine.

OBDII plug wiring little more explained
PIN location wire color what it does ------------- where it goes
4 black ground --------------- ground to chassis
5 black/white ground --------------- ground to chassis
6 Blue CAN Line H ---------- Pin 94 on the ECU plug
7 Purple CAN Line K ---------------- pin 85 on the ECU plug
8 Green/Yellow ignition ----------- 12v Hot IN or ON Start
15 Red CAN Line L ----------------- Pin 86 on the ECU plug
16 Red/White 12V + ------------ to 12v Hot at all times (Constant 12v source)

For Pins 6,7,15 you splice them to the ecu to their corresponding locations.
Pins 4,5, you ground to the chassis
Pins 8 and 16 you connect to the corresponding sources.

This is the most that I can help you with as I am not as familiar with the wiring diagram on the 240sx itself

[40flash]

Thanks for the help with Megauplaod. I do have XP and I finally figured out how to use it and I did use WINrar.
You have cleared up a few things for me and I appreciate it. I have some things I still need to know.
1. I still don't know what n/a refers to?
2. You have verified that 4 & 5 ground to the chassis.
When you say that 6,7,8 15 & 16 go to their corresponding locations, am I reading it correctly and these are the corresponding locations?
6 l - splices to 94 on the F3 ECU plug?
7 pu splices to 85 on the F3 ECU plug
8 g/y splices to any 12v ignition source?
15r splices to 86 on the F3 ECU plug?
16r/w splices to any 12v constant on?

Maybe dudewutup can verify that this is how he wired his? Sorry if I'm not explaining it properly. Just don't want to mess things up.

[irax]

Originally Posted by 40flash

Thanks for the help with Megauplaod. I do have XP and I finally figured out how to use it and I did use WINrar.
You have cleared up a few things for me and I appreciate it. I have some things I still need to know.
1. I still don't know what n/a refers to?
2. You have verified that 4 & 5 ground to the chassis.
When you say that 6,7,8 15 & 16 go to their corresponding locations, am I reading it correctly and these are the corresponding locations?
6 l - splices to 94 on the F3 ECU plug?
7 pu splices to 85 on the F3 ECU plug
8 g/y splices to any 12v ignition source?
15r splices to 86 on the F3 ECU plug?
16r/w splices to any 12v constant on?

Maybe dudewutup can verify that this is how he wired his? Sorry if I'm not explaining it properly. Just don't want to mess things up.

N/A was refered to where it goes on the ECU plug, as in it doesn't connect to the ecu plug .

F3 is the Dash plug, not the ECU plug, but yes everything splices through to the ECU plug and not the F3 plug for the dash.

[40flash]

OOPS. I thought the F3 was the ECU plug. Sorry.
So, if I take out the reference to the F3 dash plug, have I got this correct.
6 l - splices to 94 on the ECU plug?
7 pu splices to 85 on the ECU plug
8 g/y splices to any 12v ignition source?
15r splices to 86 on the ECU plug?
16r/w splices to any 12v constant on?
Thanks for being patient with me.

[40flash]

Quote:
we will start off with the f3 plug

F3 --------------->ecu I was told that the F3 plug is a dash plug.

1 b/r 119 g/y & 120 p What?????
11 b/p 113 lg/b What?????


Can you take a minute and explain what this means please? I have no clue what to do with this?

[irax]

Originally Posted by 40flash

Quote:
we will start off with the f3 plug

F3 --------------->ecu I was told that the F3 plug is a dash plug.

1 b/r 119 g/y & 120 p What?????
11 b/p 113 lg/b What?????


Can you take a minute and explain what this means please? I have no clue what to do with this?

Pin 1 is black and red and is ignition lead for the ignition coil. He used it to connect to pin 119 which is green and yellow and is the power supply for the ECM and 120 which is pink which is also another power supply for the ECM.
Pin 11 is a black and pink wire, it is the signal for the Fuel pump relay. On the ECU it is pin 113 that is light green and black