F355 BREAKOUT BOX/FAULT FINDER | FerrariChat

F355 BREAKOUT BOX/FAULT FINDER

Discussion in 'Technical Q&A' started by 355BOY, Mar 27, 2007.

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  1. f355spider

    f355spider F1 World Champ
    Owner Rossa Subscribed

    May 29, 2001
    18,053
    USA
    Anyone know what it does? Looks like it connects to the Motronic box...but which one? 2.7 or 5.2? Doesn't look like it comes with a manual (one is not pictured).
     
  2. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,263
    Cowboy Capitol of the World
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    Brian Crall
    Doesnt say which one. They don't come with a manual. Break out boxes are handy if you use them lots and I really don't know any one in the car business that does. By the time you are down to that method you have used up a lot of resources. Anything you can do with one you can do without one with just a little more trouble.

    Ferrari made them for almost everthing and system since the 328/TR period and charged stupid money for them. Another one of those things that got shoved down the dealers throats like the $10,000 torque wrench.
     
  3. fatbillybob

    fatbillybob Two Time F1 World Champ
    Consultant Owner

    Aug 10, 2002
    29,179
    socal
    RD is right. You don't want this if you are a shop on a time schedule. But if you are a DIY'er this can be a great tool. It goes between the ecu and the car's connector to provide probable access to each ECU pin. But it is only valuable if you have the pinout readings for your ECU. OTOH you can make a pinout table by constructing one when the car works. While not as accurate as having Ferrari specs it does get you in the ballpark. You can also do a digital trace and store it from an oscilloscope and that can help you diagnosis bad signals from sensors. With these two items you can do just about what a ferrari tester will do but taking a lot more time and thought but at a fraction of the cost. The Ferrari testor like SD2 is just a dumb box that points you to the right direction and sometimes fingers the exact problem right off the bat in about 1 minute!
     
  4. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
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    The Bad Guy
    Hmmmmm, for that price I just may bid on it. You can never have too many tools. I'll take my chances and hope it's for a 2.7
     
  5. jayz

    jayz Formula 3

    Jan 16, 2006
    1,153
    Los Angeles, CA
    Full Name:
    Jess
    from the picture it looks like a piece is missing from the unit connector end
     
  6. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,263
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    Brian Crall
    All there.
     
  7. No Doubt

    No Doubt Seven Time F1 World Champ

    May 21, 2005
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    Mr. Sideways
    Baum sells the Motronic 2.7 break out box and cables new: M2.7
     
  8. jayz

    jayz Formula 3

    Jan 16, 2006
    1,153
    Los Angeles, CA
    Full Name:
    Jess
    looks like it's for a 5.2

    from the response to the question and answer section

    "Ferrari Part No. is 95970072 Its for 5.2 F355, either model F1 or manual"
     
  9. ernie

    ernie Two Time F1 World Champ
    Lifetime Rossa Owner

    Nov 19, 2001
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    The Bad Guy
    Well then I guess I won't be bidding on it. Oh well.
     
  10. fatbillybob

    fatbillybob Two Time F1 World Champ
    Consultant Owner

    Aug 10, 2002
    29,179
    socal
    Well there is a quick way to find out. Gothspeed how many pin connecotor is on your 355?
     
  11. spider348

    spider348 Formula 3

    Nov 3, 2003
    1,273
    MA
    Full Name:
    John
    I think the same tool is listed under that part number on Danial's Ricambi site for about $600.
     
  12. rustybits

    rustybits F1 Rookie
    Professional Ferrari Technician

    Jan 28, 2007
    2,509
    Somewhere, anywhere
    Full Name:
    Eddie B
    From my experience in the workshop, we rarely use them. As has been mentioned before, the factory issued lots of these on automatic order to dealers, weather they wanted them or not. We have a pile of them in a cupboard.Great piece of kit if you like to collect dust! Sensor readings can just as easily be taken from the sensor plug or the motronic plug, a B.O.B should never be considered as a substitute for an SD2.
     
  13. Rifledriver

    Rifledriver Three Time F1 World Champ

    Apr 29, 2004
    37,263
    Cowboy Capitol of the World
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    Brian Crall
    True but VOM measurements are often required to perform the diagnosis, the SD2 really just points you in a direction. Its just that those measurements are almost as easy without the BOB as with one.
     
  14. jayz

    jayz Formula 3

    Jan 16, 2006
    1,153
    Los Angeles, CA
    Full Name:
    Jess

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