My limited research on this matter had led me to the conclusion that the OBD standard is not strictly enforced in Japan as it is in Europe or US, therefore, vehicles made for the Japan domestic market (many of which end up here in .ke), may or may not support OBD2, its a 50-50 chance.

Some manufacturers choose to implement a proprietary protocol, which is not necessarily compliant with OBD2. For example, Subaru's use the SSM protocol, while some Nissan's use the Nissan Consult protocol.

My sources:
Nissan - http://torque-bhp.com/forums/?wpforumaction=viewtopic&t=3010.0
Subaru - http://torque-bhp.com/forums/?wpforumaction=viewtopic&t=67.0



On Wed, May 22, 2013 at 9:26 AM, Job Muriuki <muriukin@gmail.com> wrote:
@Brian,

Not all nissans have the proprietary protocol. I think its the >2006
models that have it but subject to confirmation.


On Wed, May 22, 2013 at 9:00 AM, Brian L <lusiola@gmail.com> wrote:
@Job 
is it all Nissans or from a particular year?
So what are you getting instead?


On Tue, May 21, 2013 at 10:57 PM, Job Muriuki <muriukin@gmail.com> wrote:
I finally received mine just to learn nissans use some proprietary 
obd2 protocol so scan tool cannot connect to my cars ECU to read
any data. I will be selling it and look for one that will work with a
nissan.


On Fri, May 17, 2013 at 8:08 AM, Peter Karunyu <pkarunyu@gmail.com> wrote:

On Tue, May 14, 2013 at 10:00 AM, Gichingiri Kuria <gmail@gichingiri.com> wrote:
I have one which I am willing to sell for Ksh.8,500. 
It works fine for diagnostics but doesn't give the extra info I wanted such as fuel consumption and speed stats.

@Kuria, might you know if it speaks SSM for pre-2009 JDM vehicles?

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