Need help in understanding the concept of obdII and the ecu

[qasim123]

OBDII with ecu

hi all can any body help me understanding the concept of obdII and the ecu
what is the aim of connecting ecu with obd II can any one nice explaain me the concept of ecu connection with obd II i shall be very thank full

 

[Deepak350]

Re: OBDII with ecu

Hi Qasim,

This is a very interesting topic. I want to know about this too. Will look up and post if I'm successful with this. Nice topic.

Regards,
Deepak.

 

[qasim123]

Re: OBDII with ecu

hi,
thanx for your reply the thing which is unclear in my mind is this after sensing the engine condition using sensors what kind of ouput does the ecu gives to the obd2 is it sum kind of voltages levels or sum codes.
can any one tell my i shall b very thankfull its my project

 

[Deepak350]

Re: OBDII with ecu

Hi,

Check this link: https://en.wikipedia.org/wiki/On-board_diagnostics .

 

[qasim123]

Re: OBDII with ecu

hi lolz i cud find on wikipedia too bt i wana know what kind of output does the ecu gives is it sum binary values or what?