FAULTY ELM 327 INTERFACES DE-MYSTIFIED (READ HERE)

[Nojustice]

Hi all

Im new to the forum and noticed this topic and was wondering why my Bluetooth ELM327 was not working correctly

Trying to do a proxy-alignment for an alfa 147

Attached is the screenshot
Any help would be appreciated

[mattydr67]

Because you have to do some modification in your tool before
Take a look in few posts above yourse and you'll see that I replayed to other member with a tool same as yours
Good luck

[Nojustice]

Hi Matty,

Thanks for your reply , i have managed to locate your reply but I am a bit unsure what I should do, I notice the previous poster did not reply to you after

I have a multimeter but also have no idea how to use it so could you give me a bit more of a breakdown of what i need to do

Thanks

[Nojustice]

It is possible to make it works
Good luck

image.jpg

Ahh I see it , that's the identical board as mine apart from mine has a Bluetooth component,

OK remove the 2 resistors and the 2 capacitors but how do you "make the circuit" - in noobish terms please :p

Thanks for all your help so far

[mattydr67]

After you remove the components you have to make the circuit as in first Yani's post
Very easy explained.
Make that circuit and "voila" you have the tool working on CAN BUS
Good luck

[Nojustice]

Will it work avoiding the soldering, I don't have the resistors or capacitors and my soldering skills are not great

[stilofiat]

Hello guys.
I have spent considerable amount of time and money on this. All I wanted to do was to fix my remote central locking system. I have the same cheap cable from eBay elm327 v1.5 and I have removed the 120 ohm (R04) resistor as instructed. I tested the resistor and I can assure that it is 120 ohm. When I plug this cable on to a red adapter I am getting the following error.

http://postimg.org/image/b5zlq04qn/]


Is this something to do with the cable or some other issue?
Any help will be much appreciated.

[mattydr67]

Mate for sure you didn't understood well and I will try to amke to understand now
You have an ELM 327 and you remobe R04 ( 120Ohm )
This rezistor it si remove because you cannot connect to CAN BUS controlers on pins 6 and 14
Now you use the red adaptor wich change the k-line from pin 7 to AIRBAG controler on k-line pin 3
And you are not able to connect to it
Why?
Because the ELM 327 tool dosen't support protocol used in AIRBAG on k-line ( pin 3 )
This issue s nothing to do with that rmoved rezistor
Your tool can be used in all controlers in Fiat group cars but not in AIRBAG controler on k-line ( pin 3 )
ELM 327 can connect on AIRBAG's controlers only the one on CAN BUS
On k-line you can use it with all the other adaptors but not with red adaptors - this one it is not usefull for your tool
Good luck

[Nojustice]

OK Just to give you the full details on my situation.

I have just bought an Alfa 147 which has a flashing speedometer, a side light bulb missing which I have now replaced but the warning still remains,none working radio and the windows will not go down.

Tried looking into the window problem and removing the controllers showed scrapyard markings.

I have assumed both the radio and the Window controllers have been replaced and a Proxi-Alignment is required.

I bought the ELM327 adapter previously posted as well as AlfaODB so I could perform an alignment

When plugging in the ELM I was getting a mad dashboard, flashing and beeping constantly. I was able to connect to the engine ECU ok everytime and on VERY RARE occasions I was able to connect to the body computer (this kept connecting and disconnecting) and detect some faults occurring however I have not been able to read CAN status or perform a proxy alignment.

I have posted on your forum and have been given some advice.... so.....

I have now removed both the resistors and the capacitors you told me to remove and retried the Bluetooth ODB and.....

I no longer have the dash flashing and and beeping like made when the ELM is plugged in and....

I can now connect to the Body on most occasions and perform some active diagnostics (side light test, main beam test)

Whenever I try to read CAN Status I often get a disconnection and have to retry (very few occasions had a partial result)
I cannot get any response from Proxi-Alignment (keeps disconnecting)

Do I still need to do Yani's soldering step in order to fix this issue or is this a setting problem

Help please ... I am really close


Thanks for all your help so far

[Marco]

Hello to all
I bought an interface ELM 327 BT Mini, very cheap.
When I connect it to my Lancia Delta, connects only the first time with the Torque program, then you have to turn it off.
After working a bit, if ll'interfaccia ELM 327 is inserted and try to close the car, the alarm (the Metasystem) does not fit.

I thought of this makes me think that this is a problem on the interface that definitely has to do with the can.

I disassembled the interface and I've seen that uses the chip jta1040
Can you tell me if you need to make some changes on this adapter?



I look forward to any suggestions
regards Mark