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Old 18-04-2012   #1
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Unhappy Uno Turbo ECU Pinout Diagram

Hi all,

I'm finding it really hard to get my hands on a a 1.4 Uno Turbo ECU pinout diagram Does anyone have one of these, or know where I could find one? If you could add a link to this thread i'd be greatful

Thanks for you help,

Clive.
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Old 18-04-2012   #2
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Re: Uno Turbo ECU Pinout Diagram

Ignition, fuel injection or both ECUs?
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Old 19-04-2012   #3
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Re: Uno Turbo ECU Pinout Diagram

If I could both, that would be a great help
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Old 19-04-2012   #4
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Re: Uno Turbo ECU Pinout Diagram

This is the ignition ECU as used on all petrol Mk2 non-FIRE engines.



Do you have a Haynes manual? If so the wiring diagram for the Injection ECU is number 24 in section 14. If not, I can go and dig them out.
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Old 21-04-2012   #5
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Re: Uno Turbo ECU Pinout Diagram

No I don't have a Haynes manual, if you could I'd be very greatful, thank you for all your help
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Old 21-04-2012   #6
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Re: Uno Turbo ECU Pinout Diagram

I've PM'd you with the info.
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Old 22-04-2012   #7
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Re: Uno Turbo ECU Pinout Diagram

You've been a great help, thank you for the link. I've saved the .PDF to disk now, i'll look forward to flicking through it later.
I'm actually trying to find the following

RPM Signal - Injector Signal from ECU
Throttle Signal - Bosch Throttle position sensor in engine bay (Need a pinout for this)
Speed Signal - Would the crank shaft sensor work?

This is all needed for an Apexi boost controller that i'm trying to pick up next week.
Most of it seems stright forward, its just the Speed Signal that im not sure about...
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Old 22-04-2012   #8
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Re: Uno Turbo ECU Pinout Diagram

Thinkin about it, the Throttle position sensor is only going to be a variable resistor isn't it? So I would imagine that pin 2 from this unit would give me the output that I need to put into my boost controller...

Anyone with any advice on this would be super handy
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Old 23-04-2012   #9
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Re: Uno Turbo ECU Pinout Diagram

Throttle signal can be got from the TPS as you say. RPM can be got from the tacho gauge feed or from one of the injector wires, depends on the flexibility of this new gizmo of yours as to how it can count 1 RPM.

Speed is not captured electronically. You can get speed from a gearbox sensor from a later FIAT, but it will sit where your speedo cable is now, so no speedo readout then.
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Old 04-05-2012   #10
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Re: Uno Turbo ECU Pinout Diagram

I've finally got my Apexi Boost Controller through Its not quite as simple as it looks I understand that I have to splice it into the existing ECU wiring, I would just like to double check that I'm doing it all right before I start....

Here is a picture from the manual. Would you kindly just go over the pin outs of the ECU again, I think we agree that pin 2 on the TPS will give me the position feed (As it is just a variable resistor) really greatfull for this, thank you for your time
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Old 04-05-2012   #11
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Re: Uno Turbo ECU Pinout Diagram

The speed signal will be collected via a GPS device that converts movment into a square waves all high tech stuff for something thats never designed for an uno turbo, sayin that... If a Scuby or Evo can have one, then why cant we?
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Old 06-05-2012   #12
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Re: Uno Turbo ECU Pinout Diagram

The only wire you haven't accounted for from that diagram is RPM then? It says an injector signal is OK, so you can use one of them I would guess. There isn't enough information for me to comment any further. I have no idea how this thing works or what it is supposed to do. I have no idea what kind of signal it wants and what frequencies or anything. Speed signals come in different shapes and sizes too. I would like to know what it would do with a speed signal anyhow. It's all very vague without more info.
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Old 06-05-2012   #13
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Re: Uno Turbo ECU Pinout Diagram

An Apexi AVC-R is a boost controller that has an electronic solenoid that fits where a normal waste gate would go. If you want to run it globaly, you can set the pressure to 0.7 bar, wire in a scramble switch and tell the unit to increase boost to 1 bar for 20 seconds as and when you want it (flick the scramble switch) . If you want to have different boost levels for different gears (like me) then it is possible to set up the system to have 1 bar of boost in 1 and 2, then .8 bar of boost in 3rd, finally .7 bar of boost in 4th and 5th... How ever to do this I need the ECU pin outs (as displayed in the diagram above)
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Old 06-05-2012   #14
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Re: Uno Turbo ECU Pinout Diagram

Sadly the manual is not in english, but i will find something and put a link on here as soon as i can
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Old 07-05-2012   #15
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Re: Uno Turbo ECU Pinout Diagram

How will you tell the boost controller what gear you are in; there are no sensors for that? You need to find out from fourms or whatever which signal types/ frequencies have found to be acceptable to this unit before you know whether you can fit it or not in my opinion. Alternative is to guess and wire it up and see what happens.
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