FAULTY ELM 327 INTERFACES DE-MYSTIFIED (READ HERE)

[Alfaeddy]

hello

You're right, at least read the MotorECU you should order.

Then I guess that you have not installed any special driver. But Windows itself has found a driver. Or did you use the driver on the CD.
Unfortunately, this is often the problem, so please use the driver but I have linked here again

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

Otherwise, all settings must be checked. Then the connection should work.


Greeting Eddy

[boch]

Settings are OK. I have alternative interface ELM327 v2 USB and it works perfect with MES on my laptop.

[Waltomatic]

WOW!!!

This forum is getting better!

What a beautiful machine...

[AMOCO]

I bought one of these http://www.ebay.com/itm/130905669470?_t ... EBIDX%3AIT
And it works on my room mates 07 Subaru Forester,But won't work on my 97 Ford F-150 XL 4.2L.
So does this mean its bad?
And should I buy this American made one? http://www.plxdevices.com/product_info. ... TBLUETOOTH

[DaveM]

I have a question for u Alfaeddy; my ELM327 bluetooth v2.1 is able to connect to my Alfa Romeo Giulietta ECU with Torque PRO App on Android (i can see all the real time values). If i try to do the same with Fiat Multiecuscan 2.3R2 (i also tried 2.2) running on Windows 8.1 64bit, i always receive this error when i hit the Interface Test button: WARNING - This interface is not compatible with ELM 327 1.3! Will not connect to any CAN module (The response from the other commands is "OK") I set the Interface Type to ELM 327 v1.3+ in Multiecuscan settings, i also set the correct Serial port and tried different Port Speeds. Is a specific driver needed, even if it is a bluetooth ELM?
I attach some pictures of my ELM327, the 121ohm resistor between pin 6-14 has already been removed (it was R27); hope u can help me

[Alfaeddy]

Hi Dave

Are you sure this is the bridge resistor R27 ???
Have you ever the white plug housing on the 8 pin strip away?

A driver you should also install the Bluetooth interface.
Take this I have more than once linked here.

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

Greeting Eddy

[DaveM]

Hi Dave

Are you sure this is the bridge resistor R27 ???
Have you ever the white plug housing on the 8 pin strip away?

A driver you should also install the Bluetooth interface.
Take this I have more than once linked here.

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

Greeting Eddy

Thanks for the fast answer! Ill try installing drivers u linked! I did not understand the first part, i see u are from Germany kannst du mir das auf deutsch erklären? Ich bin in Italien geboren aber meine mutter ist von Dortmund

[Alfaeddy]

Hallo DaveM

Stimmt auf deutsch ist es einfacher für mich zu beschreiben.

Ich kenne die Platine nicht , bist du sicher das der Resistor R27 der Brückenwiderstand ist ?
Prüfe doch bitte noch ob nicht unterhalb des weißen Gehäuses (8 poliger Pin) nicht der Brückenwiderstand befindet.

Mich wundert das der Test dir anzeigt das dieses Interface nicht kompatibel ist ??
Denn normalerweise wird trotz diesem Widerstand in Test (MES) angezeigt das es mit allen CAN Bus Protokollen kompatibel ist.

Daher meine bedenken zu R27 ???


Grüße Eddy

[DaveM]

Vielen dank jetzt habe ich verstanden; ich hoffe dass du mir auch verstehst

Ich habe mit dem Multimeter gepruft dass 121ohm Brückenwiderstand war zwischen pin 6 und 14, und immer mit dem Multimeter habe ich gepruft dass R27 121ohm war. Nach Entfernung R27, war kein Brückenwiderstand mehr zwischen pin 6 und 14.

[RedemP]

hi eddy,

trawled through many of the previous pages without finding an exact pic of the pcb version i have.

i bought this one: http://www.ebay.com.au/itm/261557307881 ... 1497.l2649

though i have removed the 121 resistor that was across obd pins 6 and 14 (shown as R2 on the circuit below) which seemed like the one being referred to for other pcb designs.



the drivers are standard windows 7 bluetooth and virtual serial drivers.

mes 2.2 can see the obd device and communicate with it via the test interface on com16, but get below error when trying to connect.



the settings and test interface screens are below.







car is alfa 159 2.4 jtd, key is inserted and start button pressed (equivalent to ignition on) - the car does not need to be started does it?

thanks in advance.