ECU Diagnostics (DIY), A Guide to Connector Locations, Hardware and Software Requirements Options

[GialloEvo94]

I finally found the error...

On the main computer there are two sockets: A & B

On one of the sockets a pin that is responsible for the IAT was bent

Straitened it out,

and I have no more errors

Well done for finding the needle in the haystack I have heard of that happening before (on here I think) although it is quite rare.

[IgoRR]

It would seem logical that you can bend half or all of the pins and see that at the moment u press down in a wrong way

But to just bend one...

I mean, if someone asked me is it even possible, I would say no

There are 30 pins in a 1/2 square inch :S

[Richard_kf]

I've been looking through this thread but can't seem to find any where that suggest the best points to connect the red and black croc clips when reading the 3 pin engine ECU port on a 146 2.0 TS CF1.

Any suggestions please?

[GialloEvo94]

I've been looking through this thread but can't seem to find any where that suggest the best points to connect the red and black croc clips when reading the 3 pin engine ECU port on a 146 2.0 TS CF1.

Any suggestions please?

The black croc clip doesn't need to be connected to anything as it's just an earth lead and there is already an earth connection in the 3-pin plug. With the red lead just connect it direct to the battery positive terminal. You will probably need to extend the wire in order to do this if it's not long enough. This is what I've done with mine and in the extension wire I've got an inline fuse for extra protection but that's not strictly necessary.

[Matungo128]

Hello.

First of all, sorry for my English, not my language natal.nte all, sorry for my English, not my native language.

I was reading all the posting. Very interesante.stuve reading all the posting. Very interesting. Thanks for the post, I choose to buy the cable vag (blue).

Yesterday I arrived. And I'm like crazy trying to make it work.

No that's wrong, but tried it on several programs and I can not run.

In the FiatECUScan I can make it work for a few seconds, but it is disconnected. Try many things and can not be. Latency you run always between 0/1 and 3/6. (I put in the port latency 1) (And as I read the posting has to run under 10). Not so here could be.

Would anyone step something similar?

Thank you.

Greetings.

[ChrisS]

Many, many thanks to everyone who has contributed to this thread.

Today I got the airbag warning light on my blue 145 to go out without too much difficulty.

I used MultiECUScan on a Windows 8 laptop. And the cables linked here (USB)

My input would be to read this thread top to bottom and to read the instructions for MultiECU, especially the bits about setting up the settings for the USB port as a COM port and the changes that are needed.

And finally, for the avoidance of doubt you must power the RED little cable to the connector or it wont work, even for the airbag.... Otherwise the connection fails.

superb thread and thank you to all.

[Umbi]

Good evening ... Escuse me for my English : Something of you have never tried to connect to a Bosch Motronic M2.10.4 (Alfa 146) for diagnosis ? Can you reccomend anything for use on Windows 7 64 Bit ?

Thank-you in advance

[alfizta]

I use MultiEcuScan registered version.
But try dnecudiag. I think it works and it's for free!
http://dnecudiag.codeplex.com/releases/view/97118

[Umbi]

OK ... Thank-you ... For cable what do you used or suggest ? But it's possible discharge a Software before install ? Or not ?

This post has been edited by Umbi: 30th October 2014 20:00

[alfizta]

OK ... Thank-you ... For cable what do you used or suggest ? But it's possible discharge a Software before install ? Or not ?

use cables as recommended in first post (kkl vag-com usb cable + 3-pin adapter)
http://forum.alfa145.com/index.php?s=&...st&p=163389

dnecudiag is installed online. it is impossible to download full software and install later...

[alf@75]

Hi.
Do anyone know if some of the VAG-COM KKL 409.1 USB to 16-pin OBD cables work with windows 8?

[alf@75]

Is it possible to connect a modern obd II diagnose to the 3pin to obd cable?

[MartinMKD]

Before I order anything, what information can I access on a 1.3 i.e. engine running an IAW ECU? Or is it like the GM Rochester ECU where you need a sh**load of equipment just to access it in the first place?

Thanks, this thread is a goldmine of information!

[GialloEvo94]

Before I order anything, what information can I access on a 1.3 i.e. engine running an IAW ECU? Or is it like the GM Rochester ECU where you need a sh**load of equipment just to access it in the first place?

Both Multiecuscan and IAW Scan2 support the IAW ECU used on the 1.3 boxer engined cars. Links for both of these pieces of software are in the first post of this thread. You will also need one of the cables/leads and a 16-pin to 3-pin adapter cable (also shown in the first post).

Does that answer your question?

[TheOneAnt]

Thank you for this complete write-up. Manage to connect to my Alfa 146 ti CF1's Engine ECU. But my ABS ECU is not Bosch 5.3 it is Bosch 2E.

Is there any software available to connect to Bosch 2E ABS ECU?

Kind Regards

[Nik44]

I've also noticed that my old Elm 327 Bluetooth plug ( cheapy off ebay years ago) connected to the 3 pin to 16 pin adapter cable works fine on my laptop running multiecuscan via Bluetooth.

[Pantera]

I have connected my 145 phase 2 (Motronic 1.5.5) with a OBDLink LX blueetooth to my android device using AlfaOBD app.
I have tried others apps but none of them have worked (Torque, CaroO Pro, DashCommand).

[GialloEvo94]

I have connected my 145 phase 2 (Motronic 1.5.5) with a OBDLink LX blueetooth to my android device using AlfaOBD app.
I have tried others apps but none of them have worked (Torque, CaroO Pro, DashCommand).

The M1.5.5. ECU uses the KWP2000 OBD2 communication protocol which is now quite an old standard. It is likely that the developers of newer apps haven't bothered to implement the use of that protocol which is why they won't work. The likes of Multiecuscan and AlfaOBD have so that is why those apps work just fine.

[Pantera]

The M1.5.5. ECU uses the KWP2000 OBD2 communication protocol which is now quite an old standard. It is likely that the developers of newer apps haven't bothered to implement the use of that protocol which is why they won't work. The likes of Multiecuscan and AlfaOBD have so that is why those apps work just fine.

Great Info thanks!!

I've been researching other apps and I found these to be compatible with KWP2000. I will test them this weekend and let you know:

Nissan Gauge (Lite and Pro)
OBDkey Fault Code Reader
Hooptie - OBDII Scanner
Gauges OBDII Car Scanner

All these apps are Android apps.

[Onlyzen]

OBD-II systems provide access to the health information of a vehicle and access to numerous parameters and sensors from the Engine Control Unit (ECU). The OBD2 system offers valuable information, including diagnostic trouble codes, when troubleshooting problems.