5m-e to 2jz-ge wiring help.

[Shane~182]

I am in desperate need of help right now from some fellow 5m-e and 2jz-ge guru's


I can find little to no help on the internet in regards to wiring up a 2jz-ge non vvt-i manual conversion from a Manual 5M-E aus spec engine.

So far I have deciphered and made up a pin outs diagram of the ma61 ecu plug

Here:



This may come in handy for others to use as well in the future.

Anyways, I really need some detailed instructions of what I need to wire up.

I need to know what wires from the 2jz-ge ecu plug need to be wired to this thing and if any wires need to be wired up around the fuse box area.

If it is any help, my engine is 2jz-ge non vvt-i from a 1997 jza80 supra manual.
the car has a MAP sensor instead of an AFM, so really only Aussie guys will be able to help me out here.

So once again, I NEED TO KNOW HOW TO MAKE THIS CAR RUN.

Cheers guys.

[George]

Try searching Supra places for your wiring diagram first. There must be one. And make photos or draw how your JZ ECU looks, and which connectors are in the harness.

[Shane~182]

Ehh, I'm up to my eye lids in 2jz-ge diagrams and everyone has a different way of doing it.

I just want someone who has done it to give me a definite and detailed description of how they went about it.

It would seriously make life so much easier

[George]

When the engine has fuel and all the fluids necessary , running it is a matter of 5 wires at best - even for more sophisticated VVTI 2jz-ge
Posting the diagram in this topic will greatly improve your chances for success.

[Shane~182]

This is the 2j-z pin outs side

It has to be corresponded to the 5m-e pin outs.

[George]

Well there must be more connectors in the engine harness. You must locate power wires for ignition system , injectors, sensors, also starter wire - they are not connected to ECU.

As for the computer itself, it's sufficient to apply 12v to IGSW,+B and BATT terminals. You may assemble fancier factory circuit with relays later. Also check your ground wires.

[Shane~182]

Ive hooked up the starter motor ans what not and I can get the car to turn over, but I cant figure out the wiring for the ecu side.

also don't know about the igniter as ive seen some people do some wiring with it around the fuse box?

[George]

I'm not familiar with older engines (those with distributor ignition system)
On the ECU side it's enough to power the pins in my previoust post.

It's better if you show what you have exactly. The engine usually comes with all of necessary wiring and all you need is to plug everything to everything else and give some power to the ECU.

Based on your questions I suppose that your existing wiring is incomplete.

[Shane~182]

Existing ma61 wiring is complete, and the 2jz came with a full loom attached to the engine.

I will post up some pics of everything on the car tomorrow and see what can be done with it

[George]

Pics of jz loom connectors are of the most interest. Did you connect the power everywhere it's needed? Igniter, coil, injectors, sensors? Do you have a wiring diagram showing these connections?

[Shane~182]

Injectors are plugged in
coil is plugged in
igniter is plugged in
and I don't know much about the sensors...

I dont have a picture unfortunately

[George]

ok they are plugged in the loom, that's good already
but you must provide power from the other side of the loom.

When I connect engines, for me it's easier to find power wires with multimeter. Disconnecting injectors coils etc one by one and seeing where each wire goes.

As for the sensors. Some of them do need +12v. The "+12v to the sensors" wire is usually red and black colored and is connected to diagnostic socket. So in most cases you just find which wire is connected to diagnostic connector's appropriate terminal and connect it to +12v.

[Shane~182]

SO this is really what I need.

5m-e side



jza80 side


I need to know EXACTLY what wires go where between the two.

I put power to the ignition, +B and battery terminals and I couldnt get it to start.
It's possible that some wiring form the ma61 fuse box needs to be adapted into the jza80 harness but I can't figure out where.

People know exactly how to do this swap, and many have done it, but they are incredibly stingy with their information and FUCKING HATE giving it out.

So pissed about this

If I get this done, I'm posting a detailed set of instructions on how I did it, so people can have some open source information for once.

[wilbo666]

People know exactly how to do this swap, and many have done it, but they are incredibly stingy with their information and FUCKING HATE giving it out.

So pissed about this

Yeah that sounds like the way to get people on your side


OK lets run through what we know...2JZGE (ex JZA80) into MA61...

This thread might help you a bit, Takai has gone to the effort to put up the pinouts of most of the 2JZGE engine loom to body loom plugs, the main JZA80 2JZGE engine loom to body loom plugs are II1 & IJ1
http://www.toymods.org.au/forums/sho...iring-Diagram&

Now onto some questions...

Is you 2JZGE engine loom complete? Does it have the large orange plug (II1) & the grey plug (IJ1)? These are the plugs that usually connect the 2JZGE engine loom to the JZA80 body loom

Are you going manual or auto? (we can't read minds )

Anyway you need to wire up the II1 &IJ1 2JZGE plugs in your MA61

In the below wiki (mine), you'll find info on most of the pin names and how to wire them up (yes the link is for 2JZGTE and JZS147, but the information is the same).
http://wilbo666.pbworks.com/w/page/3...ngine%20Wiring


So main things to wire up:

II1-7: Starter motor signal to 2jzge engine ECU
II1-11: Speed sensor signal to 2jzge engine ECU, this needs to come from the MA61 dash (you should be able to tap into this where the MA61 cruise control ECU)
II1-13: Ignition switched power to 2jzge engine ECU
II1-19: Water temp gauge signal to MA61 dash (labelled as "Temp" on the MA61 body loom plug you've put up)
II1-25: Oil pressure switch signal to MA61 dash. This doesn't come out on the "Yellow plug (body loom)", easiest way for you will be to run a new wire over to the MA61 dash
II1-29: Tacho to MA61 dash (again this goes to the "Yellow plug (body loom)", I don't remember which pin)


IJ1-1: Ignition switched power to coil and igniter
IJ1-4: Fuel pump control, see this thread http://www.toymods.org.au/forums/sho...of-newer-ECUs&
IJ1-9: Ignition power to injectors

On the 8 pin black plug on the 2JZGE engine loom in the engine bay:
Pin 4 = Constant battery power to 2jzge engine ECU, easiest way to wire this up is an inline fuse directly off the battery +VE.
Pin 8 = Trigger to Main EFI Relay (M-REL output from 2jzge engine ecu)

Read this thread on how to wire up the Main EFI relay...
http://www.toymods.org.au/forums/sho...g-M-REL-Wiring

Alternator wiring can come directly from the MA61 (the wiring stays with the MA61 when you take the 5ME out), you might need to change from 3 pin round to 3 pin flat alternator wiring.

So now I'll throw it back to you to ask specific questions

Cheers
Wilbo

[Shane~182]

Ok so basically this is what I need to do?





(Orange connector under dash on 2jz-ge loom)

II1-pin 7: Starter motor signal to 2jzge engine ECU

II1-pin 11: Speed sensor signal to 2jzge engine ECU, this needs to come from the MA61 dash (you should be able to tap into this where the MA61 cruise control ECU)

II1- pin 13: Ignition switched power to 2jzge engine ECU

II1- pin 19: Water temp gauge signal to MA61 dash (labelled as "Temp" on the MA61 body loom plug you've put up)

II1- pin 25: Oil pressure switch signal to MA61 dash. This doesn't come out on the "Yellow plug (body loom)", easiest way for you will be to run a new wire over to the MA61 dash

II1- pin 29: Tacho to MA61 dash (again this goes to the "Yellow plug (body loom)", I don't remember which pin)



Wire up IJ2 Connector
(Single gray plug on 2jz-ge loom under dash)





I have the grey one, not white one.

IJ1-1: Ignition switched power to coil and igniter

IJ1-4: Fuel pump control, see this thread http://www.toymods.org.au/forums/sho...of-newer-ECUs&

IJ1-9: Ignition power to injectors




Then wire up the 8 [in plug under the bonnet

Pin 4 = Constant battery power to 2jzge engine ECU, easiest way to wire this up is an inline fuse directly off the battery +VE.

Pin 8 = Triggered power to Main EFI Relay (M-REL output from 2jzge engine ecu)?



I noticed that in this guide for the 5m-ge he calls the connectors

IK1 and IK2.. are they the same as II1 and IJ2?

http://www.celicasupra.com/forums/sh...P-wiring-guide


also, My harness is connected to the engine.
I am going with a Manual transmission, and my engine, ecu and loom is from a jza80 manual with a w58

Also, I have no idea what the iscv is and this is the first ive heard of it..

Edit: Also, my engine is running a MAP sensor instead of an AFM


Once I do these II1 and IJ1 wiring, will the car start? or am I also suppose to wire up the (B) ecu plug to the 5m-e harness

which would be these 4 wires.

Terminal 1 is ignition switch power
Terminal 24 gets wired to pin 8 on the 8 pin under the bonnet. (main relay coil) or is it wired back through the ecu and can be left out?
Terminal 31 and 32 are also for the EFI main relay, so, do they need to be wired up the 8 pin plug aswell? as it says on the diagram (Needs battery voltage, so id assume so.. right?)
Terminal 33 is BATT, and needs to be wired to constant?

Sorry for all the probably dumb questions, but I'm an 18 year old noob doing his first swap ever lol........