I spent a couple years as a mechanic in a Chrysler dealer, NONE of our books ever explained a data protocol. -Denny ----- Original Message ----- From: "Jai Dhar" To: Sent: Monday, September 08, 2003 1:27 PM Subject: Re: [PIC]: Next big project > Thanks for the info Herbert.. immediately after I sent my first message, I > ordered the factory service manual from ebay, so that should hopefully be > worth something (considering that the shipping will cost as much as the > book!). Will it explain the protocol though? It doesn't seem likely that > they would make it that readily available. Anyway, I have also seen that > word you mentioned, OBDII, floating around a lot, so I will do some more > research on that. If anyone knows any good resources off hand, please let me > know! > > Jai > > > -----Original Message----- > > From: pic microcontroller discussion list > > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Herbert Graf > > Sent: Monday, September 08, 2003 1:22 PM > > To: PICLIST@MITVMA.MIT.EDU > > Subject: Re: [PIC]: Next big project > > > > > > > While planning out what I should do for my next project, I decided on > > > implementing a little 16f-driven monitoring unit for my car. I am > > > hoping to > > > have such functions as trip timers, mileage calculators, temperature > > > sensors, fuel level etc... ideally, of course. Anyway, if I am not > > > mistaken, I will have to look into interfacing to the ECU, > > > correct? Is this > > > data something that is readily available? ('96 Nissan Maxima), or is it > > > something that I'm going to have to try and figure out on my own. Any > > > direction is appreciated, > > > > That is something I actually started doing on my car, but > > got bogged down > > with other things and never finished it. The biggest issues for > > me was data > > storage (since I was making more of a black box then just a monitor). I > > STRONGLY recommend you get a shop manual for your car, I couldn't imagine > > trying to interface to today's cars without one. Even installing an alarm > > system is many magnitudes easier if you have the shop manual. With that > > said, you car does have OBDII, so you SHOULD be able to get many > > parameters > > from that bus. TTYL > > > > -- > > http://www.piclist.com hint: To leave the PICList > > mailto:piclist-unsubscribe-request@mitvma.mit.edu > > > > -- > http://www.piclist.com hint: To leave the PICList > mailto:piclist-unsubscribe-request@mitvma.mit.edu -- http://www.piclist.com hint: To leave the PICList mailto:piclist-unsubscribe-request@mitvma.mit.edu