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Car Forum / Volvo Cars / June 2005850tdi - OBD2 confusion
Hi! I wanted to buy OBD2 kit for my 11/1996 850tdi imported second hand from Germany, to be able to read error codes, reset them etc... I was very happy to see 16-pin connector under the OBD2 marked coin holder in front of the gear stick. Looked a little on the web, and everything seemed clear. BUT, while browsing and deciding which tool I will buy - things got more and more confusing. So, now it seems that my car is not OBD2-ISO compliant and things are not that easy. I remember that somebody here has experience with 850tdi model. Please, help me with the following stuff... 1) is my 11/1996 850tdi OBD2 compliant? 2) which cable & interface & software combo can I use for sure? - ElmScan ISO 9141/14230 ( http://www.scantool.net ) - Vol-FCR ( http://www.onboarddiagnostics.co.uk/volfcr/index.html ) - Volvo VADIS 3) what cables & hardware do I need to use Volvo VADIS? 4) which pins on my car's OBD2 connector should be wired? 5) is it possible to read & clear EGR, Air Mass Sensor errors? 6) any other hints on 850tdi - OBD2 stuff greatly appreciated... Thnx a lot.  SignatureDrnya In an earlier contribution to this discussion, > Hi! > I wanted to buy OBD2 kit for my 11/1996 850tdi imported second hand [quoted text clipped - 22 lines] > > Thnx a lot. One more question . . . Is it the same for a 1997-9 V70 TDi? [Same engine, almost same body, ODB2 connector inside storage box under centre armrest] SignatureCheers, Bonnet Lock ______ Please reply to newsgroup. Reply address is invalid. > In an earlier contribution to this discussion, > [quoted text clipped - 29 lines] > Is it the same for a 1997-9 V70 TDi? [Same engine, almost same body, ODB2 > connector inside storage box under centre armrest] Ans: The ECU must be Bosch MSA 15.8 to support OBD2..... In an earlier contribution to this discussion, >> One more question . . . >> >> Is it the same for a 1997-9 V70 TDi? [Same engine, almost same body, >> ODB2 connector inside storage box under centre armrest] > > Ans: The ECU must be Bosch MSA 15.8 to support OBD2..... I believe that mine is 15.8 This being the case, where can I get a definitive list which explains what all the codes mean - in case I ever buy an ODB2 interface? SignatureCheers, Bonnet Lock ______ Please reply to newsgroup. Reply address is invalid. Try www.odb-codes.com. I do not have specific for Volvo. Best regards > In an earlier contribution to this discussion, > [quoted text clipped - 9 lines] > This being the case, where can I get a definitive list which explains what > all the codes mean - in case I ever buy an ODB2 interface? In an earlier contribution to this discussion, > Try www.odb-codes.com. > I do not have specific for Volvo. Thanks - but the link doesn't seem to work. Are you sure it's correct? SignatureCheers, Bonnet Lock ______ Please reply to newsgroup. Reply address is invalid. > In an earlier contribution to this discussion, > > > Try www.odb-codes.com. > > I do not have specific for Volvo. > > Thanks - but the link doesn't seem to work. Are you sure it's correct? Try www.obd-codes.com. In an earlier contribution to this discussion, >> In an earlier contribution to this discussion, >> [quoted text clipped - 5 lines] >> > Try www.obd-codes.com. Ah, that's better - thanks! [I didn't notice that the previous one was dyslexic]. SignatureCheers, Bonnet Lock ______ Please reply to newsgroup. Reply address is invalid. Hi, Look at my answers to each question line. Best regards Per > 1) is my 11/1996 850tdi OBD2 compliant? Ans: No, the engine use Bosch MSA 15.7 ECU which has no OBD2 command language > 2) which cable & interface & software combo can I use for sure? > >Ans: Vol-FCR ( http://www.onboarddiagnostics.co.uk/volfcr/index.html ) is working > 3) what cables & hardware do I need to use Volvo VADIS? Ans: Don't look into that solution - it is for a Volvo garage > 4) which pins on my car's OBD2 connector should be wired? Ans: You can buy assembled cable together with VOL-FCR or find one that can assemble yourself on e.q. ebay > 5) is it possible to read & clear EGR, Air Mass Sensor errors? Ans: Yes and much more..... > Thnx a lot. > Hi, > [quoted text clipped - 24 lines] > > Ans: Yes and much more..... THNX very much for all the answers. If anyone is interested - here is the wiring of my 11/1996 850tdi non OBD2 compliant, but OBD2 marked connector - the following pins are wired: -1,3,4,5,6,7,13,16. BTW, all my search for the OBD2 kit began, cause last week I have experienced loss of power and overall low performance, and the check engine light lit up. Car goes well but acceleration is slow. Fuel consumption is the same, no engine oil consumption, no coolant missing etc. Drove about 800 kms since... The only additional thing is some blue smoke after the cold start in the morning. Blue smoke stops after few kms. I have cleaned and checked the EGR valve. It was only a little dirty. I have also checked various hoses for leaks (maybe not all???). Also checked the electr. connectors, and inspected the resistance and supply voltage to electromagnetic pressure converter as described in the PDF below. FYI - the EGR valve and EPW from the PDF are the same. Check the PDF it may be useful to you :-) http://www.msi-motor-service.com/ximages/4052.pdf The only thing left to suspect is the Air Mass Sensor. Well, I hope it is not the case. I do hope that I may be missing some punctured hose / tube or bad wires? Please does anyone have any ideas? I have booked the repair shop on thursday morning, and I am afraid :-) Thnx. SignatureDrnya 850 Tdi and SV70 Tdi using MSA15.7 are not OBDII compliant. Vol-FCR will work but reads fault codes only, but it will do every other system in your car as well. (Works with cheap 9 pin serial leads for VAG-COM, search the net for these, you must have a PC with a 9 pin serial port) VAG-COM will work on engine (diesel pump) only, the engine is an Audi unit, try the shareware version. Hope this helps. > Hi! > I wanted to buy OBD2 kit for my 11/1996 850tdi imported second hand from [quoted text clipped - 22 lines] > > Thnx a lot. In an earlier contribution to this discussion, > 850 Tdi and SV70 Tdi using MSA15.7 are not OBDII compliant. > [quoted text clipped - 7 lines] > > Hope this helps. I have a 2000MY V70 TDI MSA15.8 Can you please advise me what hardware and software I would need to interrogate the OBD2 socket on my car - and where to find information about the codes, so as to be able to understand what it's telling me. SignatureCheers, Bonnet Lock ______ Please reply to newsgroup. Reply address is invalid. As far as I know the only why to communicate with MSA 15.8 is using the dealer Vadis cart. > In an earlier contribution to this discussion, > [quoted text clipped - 16 lines] > about > the codes, so as to be able to understand what it's telling me. Can you explain how to set up VAG-COM for the diesel pump and a 850 TDI? I have tried but without succes. It seems that VAG-COM does not recognise the ECU in the Volvo and Audi uses Digifant ECU. Thanks Per > 850 Tdi and SV70 Tdi using MSA15.7 are not OBDII compliant. > [quoted text clipped - 34 lines] > > > > Thnx a lot. From memory the diesel pump is accessed via address 41 in VAG-COM. > Can you explain how to set up VAG-COM for the > diesel pump and a 850 TDI? [quoted text clipped - 46 lines] >> > >> > Thnx a lot. Just tried it and got the following message: Controller uses unknown protocol. Error code: D3B0 Do you know about any work arounds? The interface test is ok! Thanks Per > From memory the diesel pump is accessed via address 41 in VAG-COM. > [quoted text clipped - 48 lines] > >> > > >> > Thnx a lot. Try the other engine ECU addresses: 11, 21 & 31. > Just tried it and got the following message: > [quoted text clipped - 63 lines] >> >> > >> >> > Thnx a lot. Thanks for the advice - but it did not solve the problem. I still have no connection to the ECU..... Do you really think it should work? Best regards Per > Try the other engine ECU addresses: > [quoted text clipped - 67 lines] > >> >> > > >> >> > Thnx a lot. |
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