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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4644
DTC (Diagnostic Trouble Code) Reader...

Zilele astea am avut un pic de timp liber si ma gandeam cum sa construiesc un cititor simplu si rapid de coduri de eroare pentru Freelander. Am inceput prin a construi o interfata CAN intre masina si un PC/laptop. Initial am folosit un controler ARM, dar apoi am implementat totul pe un kit de dezvoltare de la Microchip.
O parte din detalii sunt aici: http://www.freel2.com/forum/topic16300.html
Apoi, cand totul era functional pentru amble magistrale CAN (HS si MS), am facut si o aplicatie pe PC.
Deci, dupa cateva zile de studiu si munca, iaca ce-a iesit.

Click image to enlarge


Este un cititor simplu, fara explicatii textuale ale codurilor de eroare. Erorile sunt afisate exact cum ies de pe portul de diagnoza. Explicatia lor poate fi gasita pe net. Oricum, are marele beneficiu ca este mult, mult mai simplu si mai rapid dec�t sculele dealerului si, in comparatie cu alte cititoare generice OBD2, poate accesa si sterge coduri de eroare de pe toate modulele de pe masina.
Mai jos sunt controlerele care pot fi scanate, citite si sterse.



Last edited by alex_pescaru on 28th Nov 2018 4:48 pm. Edited 1 time in total
Post #190042 2nd Jul 2013 4:34 pm
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woox



Member Since: 22 Jan 2013
Location: Bucuresti
Posts: 42
2008 Freelander 2 TD4 HSE Auto Lago Grey

Foarte misto alex Smile felicitari! nu stiam ca esti developer Thumbs Up
Post #190058 2nd Jul 2013 5:33 pm
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cata26bcn



Member Since: 02 Oct 2012
Location: constanta
Posts: 122
Romania 

Inseamna ca trebuie sa ma inarmez cu rabdare.daca este "la liber" informatia,sa ma apuc de confectionat interfata.... Bow down
Post #190085 2nd Jul 2013 7:17 pm
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4644

Laughing Laughing Laughing
Interfata vine intr-un kit de dezvoltare CAN-BUS de la Microchip si este 55 USD, fara sa socotim transportul.
Cu tot cu shipping si TVA, 80 USD.
http://www.microchip.com/stellent/idcplg?I...e=en537141
http://www.microchipdirect.com/productsear...P2515DM-BM
Si in kit sunt 2 module. Deci poti avea un sistem de diagnoza la aprox. 40 USD. Thumbs Up

Dar evident, poti incerca sa o faci singur, ca sa nu-ti iesi din mana. Am schema, daca vrei... Laughing
Glumesc, sper sa nu te superi...
 
Post #190090 2nd Jul 2013 7:41 pm
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cata26bcn



Member Since: 02 Oct 2012
Location: constanta
Posts: 122
Romania 

of..ce bine,bine ca se gaseste gata facuta,am scapat de un stres... Rolling with laughter
Post #190093 2nd Jul 2013 8:20 pm
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alex_pescaru



Member Since: 12 Mar 2009
Location: RO
Posts: 4644

Nu m-am lasat si am facut si baza text de erori. E mai user friendly acum...
Acum aceleasi erori de mai sus, arata asa:

Click image to enlarge


Last edited by alex_pescaru on 28th Nov 2018 4:47 pm. Edited 1 time in total
Post #190208 3rd Jul 2013 7:48 pm
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cata26bcn



Member Since: 02 Oct 2012
Location: constanta
Posts: 122
Romania 

Alex,vad ca nu te lasi,o sa faci un tester mai tare decit cel de la reprezentanta... Razz
Post #190231 4th Jul 2013 6:25 am
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