OBD-II Adapter (I2C) doesn't work on ISO9141-2

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dcolemans
Posts: 5
Joined: Thu Sep 25, 2014 3:06 am

OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby dcolemans » Mon Oct 06, 2014 1:24 am

I tried posting this problem to the topic about the UART adapter but it was removed. I am trying posting again in its own topic. I've connected the V2 Adapter to my 2004 Porsche Boxster S 986 and it works for a few seconds and then stops. I am running the test Arduino sketch that turns on the LED when RPM is over 3000. I start the car, plug in the unit, the adapter blue LED flashes for a few seconds and then stops flashing. Sometimes it stays connected long enough that I can rev the car to 3000 and see the Arduino pin 13 LED turn on, so I know it it close to working. Stanley, can you help me?

stanley
Site Admin
Posts: 758
Joined: Sat Mar 01, 2014 3:15 am

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby stanley » Thu Oct 09, 2014 8:29 pm

We will check this.

Mcsquizzy
Posts: 8
Joined: Fri Oct 10, 2014 11:25 am

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby Mcsquizzy » Sat Oct 18, 2014 7:57 am

If it's any help, I am using the I2C version of the adapter, on a 2002 Subaru (ISO9141-2 protocol) and, using the megalogger sketch, I can't get the OBD to connect

dcolemans
Posts: 5
Joined: Thu Sep 25, 2014 3:06 am

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby dcolemans » Sun Oct 19, 2014 12:30 am

Any progress on this?

nickd3157
Posts: 3
Joined: Wed Dec 24, 2014 3:43 pm

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby nickd3157 » Wed Dec 24, 2014 3:48 pm

Mine isn't working either. It also gets hung up on the obd.init() function. I have a 2010 Hyundai Accent.

AzzamAziz
Posts: 6
Joined: Fri Jul 18, 2014 9:22 am

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby AzzamAziz » Fri Dec 26, 2014 10:05 am

Did you ever get this working? Stuck on this for months.

nickd3157
Posts: 3
Joined: Wed Dec 24, 2014 3:43 pm

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby nickd3157 » Mon Jan 12, 2015 1:52 pm


nickd3157
Posts: 3
Joined: Wed Dec 24, 2014 3:43 pm

Re: OBD-II Adapter (I2C) doesn't work on ISO9141-2

Postby nickd3157 » Wed Jan 28, 2015 1:42 pm



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