FAULTY ELM 327 INTERFACES DE-MYSTIFIED (READ HERE)

[eddyshow]

elm327 with wifi without modification I had access to the engine control unit. tomorrow will let you know if I can get a line can (I eliminated the resistance R04)

[swatchlu]

Hi Eddy,

I removed R04 as mentioned. I still cannot read body, dashboard,abs service and climate control. I got an error message on the computer screen " ELM 327 -> ECU Connection Failed! Check your cable and serial port settings!".

The remaining modules are not affected, I can continue to read them.

Thanks
Lu

Hi swatchlu

Remove the resistor in the red Frame ( R04) and you can read also CAN Bus with your ELM Interface


Greetings Eddy

ELM 327 V15a 1 markiert.jpg

Hi Eddy,
Thank you!

if I remove R04, as mentioned. Will affect the ones that I already can read?

[Alfaeddy]

Hello Alfa156sarajevo hello eddyshow

So the wifi ELM interface should still work, but why is it in alfa156s ....
does not work? then must some other cause

At Eddy show, it seems to work just as with every BT interface

Greetings Eddy

[Alfaeddy]

Hello Lu

Controlling again
- Drivers
- settings
- Com port
- Latency Time

The ELM interface needs work.

Greetings Eddy

[swatchlu]

Hi Eddy,

I m using Windows Vista. I tried changing the settings, but it doesn't work. What drivers do I need?

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Hello Lu

Controlling again
- Drivers
- settings
- Com port
- Latency Time

The ELM interface needs work.

Greetings Eddy

[Alfaeddy]

Hello Swatchlu

I also use Vista 64 and I have no connection issues with all interface

Try this driver

http://www.ftdichip.com/Drivers/VCP.htm

Greetings Eddy

[laserbit]

Hi all, I have an ELM327 V1.3a on USBV3.0 board and when running the test it passes all and says that I should connect properly to any can module, but when I scan the network I find only the BOSH Motronics ME7.9.10, BOSH ABS 8 ESP and the Delphi electric steering.

When trying to connect to the dashboard, it does not work and prompts the ELM327->ECU connection failed.

I made the modification of the switch to have both standard and type 3 cable with pins 6-14 switched on pins 1-9.
Following the pictures of my board that in the first pages appears the same marked as good one.






I am trying to connect to an Alfa Mito 1.4 Turbo 16V

Any hint to solve this issue?

[Alfaeddy]

Hello laserbit

While I understand what you want to do, and this is also easily
But your pictures are so small that you can not recognize it

If I could see something I could help you too

Greetings Eddy

[laserbit]

Hello laserbit

While I understand what you want to do, and this is also easily
But your pictures are so small that you can not recognize it

If I could see something I could help you too

Greetings Eddy

Sorry, I made a mistake while attaching the pictures, tell me now if it's better or I should attach the full sizes.

[Alfaeddy]

Hello laserbit

Unfortunately I can not trace the wires to the switch
But at first glance it looks right


I have already created a tutorial almost 3 years ago
the CAN change implemented

Einbau einer Umschaltung des CAN Bus.pdf

(48.76 KiB) Downloaded 796 times

Greetings Eddy