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Forum › Electronica Auto › Electronica Auto › Adaptor interfata la OBD2
Adaptor interfata la OBD2
ISO9141, OBD, OBD II, ADLD, Invertoare, etc (tot ce tine de electronica auto).
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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 08/Mar/2007 1:01 pm    Post subject: Adaptor interfata la OBD2 Reply with quote

am sa incerc sa adun aici toate interfelete pe care l-am gasit de conectare la OBD2, ISO9141.
Cea de mai jos se pare ca functioneaza cu Opel TECH2 .



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 13/May/2007 12:40 pm    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

si o schema de adaptare de la obd la rs232



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 23/May/2007 7:54 pm    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

Cateva detalii despre conectorul obd pentru masinile opel :

Opel have more communication lines:
7pin of obd2 - engine(dash vectra)
12pin of obd2 - airbag,dashboard(opel astra)
3 pin of obd2- immo


K-Line from interface must be connected to pin12 of the obd2 connector in the car!
L-Line from interface is not used in our case,this is used for other settings of the car
+12V and GND you can use from cigarrete connector in the car

Pin 2 - J1850 Bus+
Pin 4 - Chassis Ground
Pin 5 - Signal Ground
Pin 6 - CAN High (J-2284)
Pin 7 - ISO 9141-2 K Line
Pin 10 - J1850 Bus
Pin 14 - CAN Low (J-2284)
Pin 15 - ISO 9141-2 L Line
Pin 16 - Battery Power
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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 26/May/2007 7:13 pm    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

o alta interfata iso. este mult mai "prietenoasa" cu nivelele logice de pe portul serial si este posibil sa raspunda mai bine la cabluri lungi.



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 05/Jun/2007 7:28 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

inca un adaptor cu max 232 si cu k line si cu L line



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 05/Jun/2007 7:31 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

alta versiune ce foloseste max 232 si 407 pentru adaptarea de nivel. nu avem nici o informatie ca este o schema testata



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 05/Jun/2007 7:35 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

inca o schema foarte similara cu primele insa ceva mai ingrijit realizata (K si L line , prezinta led-uri pentru activitate). Schema provine din ELV journal.



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 05/Jun/2007 7:46 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

Pentru diagnoza la opel trebuie selectat pinul de comunicatie. Opel foloseste 4 pini individuali din conectorul de diagnoza #3,#7,#8, si #12.
In unele interfete toti acesti pini sunt conectati impreuna ceea ce nu este de loc inteligent. Daca vrei sa asiguri o comunicare corecta nu poti conecta toti acesti pini impreuna, deoarece prin aceasta metoda sigur vei viola standardele de comunicare si in cele mai multe cazuri nu se poate realiza comunicarea.
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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 05/Jun/2007 7:52 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

inca o dizertatie pe aceeasi tema. schema foloseste fet-uri de data aceasta



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daniel



Joined: Feb 22, 2005
Posts: 130

PostPosted: 05/Jun/2007 8:35 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

inca o schema , de data aceasta este folosit integratul specializat MC33199



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Liviu-Ioan



Joined: Sep 11, 2008
Posts: 1

PostPosted: 11/Sep/2008 11:39 am    Post subject: Re: Adaptor interfata la OBD2 Reply with quote

Si cu ce programe functioneaza aceste interfete?.
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