575M OBD II Connector Location | FerrariChat

575M OBD II Connector Location

Discussion in '456/550/575' started by Gem, Jul 16, 2012.

This site may earn a commission from merchant affiliate links, including eBay, Amazon, Skimlinks, and others.

  1. Gem

    Gem Rookie
    Silver Subscribed

    Oct 19, 2009
    38
    South Carolina
    Full Name:
    Joseph Gartner
    This is my very first post to this forum and I am delighted to be part of the Ferrari ownership experience. I recently bought a 2002 MY 575M Maranello and it is an amazing work of art. I planned to introduce my Ferrari and myself at a later date, but I find I need help from this community. I just took my 575M in to have the emissions checked for state inspection in North Carolina. The inspector connected his OBD II cable and connector to a connector under the dash and it would not communicate with the state emissions computer. He made the connection at a connector to the right of the steering wheel. It appears that is not the correct one. Can anyone show me, especially with a photo, where is the correct connector that is meant for connecting into the vehicle's system to get OBD II data?

    Any assistance would be greatly appreciated.

    Thank you,
    Joe G.
     
  2. LOLAF1RACER

    LOLAF1RACER Formula Junior

    Jun 2, 2007
    497
    Full Name:
    Andy
    when you are sitting in the drivers seat it is under the dash above your left leg .
     
  3. ferraridriver

    ferraridriver F1 Rookie

    Aug 8, 2002
    4,151
    Bay Area Calif.
    Full Name:
    Dave
  4. fatbillybob

    fatbillybob Two Time F1 World Champ
    Consultant Owner

    Aug 10, 2002
    28,977
    socal
    Just another data point. There was a recall. Ferrari played tricks with the feds but I thought by the time the 575 came out the games were over. But could be wrong. Interestingly, I was going to tune my Z06 racecar ecu and could not communicate with the OBD2 port. WTF its a vette. Anyway back probed for ground found it, back probed for 12V+ nothing. Look for the wiring diagram to make sure which one was 12v+ found it. Now why no power? Amazingly there is a fuse for that 12V+ in the Z06. I'm not saying that is your problem I'm saying check the simple stuff like are you getting ground and power to the terminals of the obd2 port? It is not as complicated as it. Less than 1/2 the connector is wired.
     
  5. drake123

    drake123 Karting
    Silver Subscribed

    Jan 22, 2012
    181
    Pa
    Full Name:
    Drake
    I had a similar problem getting data from my OBD2 port on my 550. The trunk release switch/dome light fuse had blown.
    Congrats on your 575.
     
  6. Gem

    Gem Rookie
    Silver Subscribed

    Oct 19, 2009
    38
    South Carolina
    Full Name:
    Joseph Gartner
    I want to express my sincere gratitude to all of you for your quick response. This truly is a marvelous community of Ferrari enthusiasts. I want you all to know that after reading the Service Campaign No. 148 bulletin, I found the OBD II connector exactly where the bulletin said it would be. It is located to the right side of the steering column very close to the console and attached to a cadmium plated bracket. Upon unscrewing the connector, I found that the Service Campaign No. 148 had not been done. There was no ground pin in pin location #4 as there was supposed to be. I had contacted the dealer whom I had bought the car from after I could not get the shop to read the OBD II system, and they said that 148 had been done in 2007. The dealer is absolutely wonderful and has treated me very, very well, so I did not see any reason to suspect that the campaign had not been done. Nonetheless, no #4 pin. I believe that must be the reason that the state's emissions computer could not read the OBD II system. So now I have to contact them to get the parts so I can install the upgrade myself and then have the inspection done after that. Always something, I guess, but I am relieved that now I know what the problem is and it can be easily addressed.

    Once again, thanks to you, I have my answer and know how to proceed. Who knows, after this, I might become the OBD II expert!!

    Joe G.
     
  7. LOLAF1RACER

    LOLAF1RACER Formula Junior

    Jun 2, 2007
    497
    Full Name:
    Andy
    just tested my obd2 port , no faults stored in ecu . My port is to the left of the steering wheel near the door ? I have a app on my droid phone called " torgue " and a wireless transmitter , that allows me to read codes, reset check engine lights . I think the app, was $ 5.00 and the wireless plug in device was $ 12.00 on ebay , its great for my old benz wagon, which throws check engine lights for after market gas cap ,
     
  8. ferraridriver

    ferraridriver F1 Rookie

    Aug 8, 2002
    4,151
    Bay Area Calif.
    Full Name:
    Dave
    Joe, look at the wires coming out of the back side of the OBDII connector and see if there is a black wire about 6" long attached to another wire with a "Scotch lock" wire tap. The replacement wire ends Ferrari supplied were not a perfect fit in the connector and the new one may have gotten pushed out the back side and is not engaging the male plug.
     
  9. Gem

    Gem Rookie
    Silver Subscribed

    Oct 19, 2009
    38
    South Carolina
    Full Name:
    Joseph Gartner
    Hi Dave,

    I took the OBD II connector off of the bracket and there was no jumper wire or Scotchlok wire connector. It seems that the dealer was mistaken when they said that the service campaign had been done in 2007. They are sending me the service campaign parts and I will do the installation myself. Also, their head Ferrari technician confirmed that due to the lack of the additional ground pin (pin # 4) it is most likely that is the reason the NC state emissions computer could not read the OBD II data. So, once the new pin and jumper wire are installed, I will give it another go at the inspection shop. I will keep my fellow Ferrari community members updated and will celebrate when the inspection is successful. Probably next week once I get the parts installed.

    Many thanks for your help and my regards,
    Joe
     
  10. Gem

    Gem Rookie
    Silver Subscribed

    Oct 19, 2009
    38
    South Carolina
    Full Name:
    Joseph Gartner
    I want you all to know that I received the Service Campaign 148 parts (wire with female pin and the "Scotchlok" connector) last week, and I put the parts in the OBD II connector last night. It wasn't hard to do at all, just a bit tight in the area to work in. I then brought my 575M to the inspection shop today and it worked!!!! The state emissions computer connected and all the necessary checks were made and my car passed with flying colors. So now, I am out of inspection "jail".

    Once again, I want to thank my fellow Ferrari enthusiasts for coming to my rescue, especially Dave. You certainly pointed me in the right direction.

    When I have a chance, I will do my official introduction and post pictures of my new 575M. She is a "bella machina".

    Best regards,
    Joe G.
     
  11. Harris Knecht

    Harris Knecht Rookie

    Jul 11, 2019
    18
    houston
    Full Name:
    Nemo
    have similar problem on 2001 550
    OBD connector didn't work - replaced dome light-trunk release fuse
    now OBD connector worked
    (got inspected!!) but now dome light /trunk release not working

    Any ideas

    thx
     
  12. Qavion

    Qavion F1 World Champ
    Silver Subscribed

    Feb 20, 2015
    14,263
    Sydney
    Full Name:
    Ian Riddell
    Did you recheck the fuse? It might have blown again.

    If you used, say the trunk release and there was a problem with it, it may have blown the fuse. Is your cigarette lighter working?
     
  13. Harris Knecht

    Harris Knecht Rookie

    Jul 11, 2019
    18
    houston
    Full Name:
    Nemo
    replaced fuse OBD connector working - was able to scan
    trunk release and dome light not working

    cigarette light not working

    is that a clue??

    thx
     
  14. Qavion

    Qavion F1 World Champ
    Silver Subscribed

    Feb 20, 2015
    14,263
    Sydney
    Full Name:
    Ian Riddell
    Yes, I understand you replaced the fuse. Did you re-check it? Does your OBD still work?

    According to the Workshop Manual, the cigar lighter is on the same power circuit, but the wiring diagrams I have don't go into a lot of detail. If the fuse has blown again, you need to isolate the system causing it. If the fuse has not blown, then you have to fix the individual items.

    If you're checking the fuse, also check plug "I" and "C" on the fuse panel for security.

    Image Unavailable, Please Login
     
  15. Harris Knecht

    Harris Knecht Rookie

    Jul 11, 2019
    18
    houston
    Full Name:
    Nemo
    thanks , we'll keep digging
     
  16. Qavion

    Qavion F1 World Champ
    Silver Subscribed

    Feb 20, 2015
    14,263
    Sydney
    Full Name:
    Ian Riddell
    Sorry, I mean to say plug "H", not plug "I".

    According to the wiring diagrams, the red wire (on pin 7) on plug C is OBD power, but there is a splice on that line, so pin 7 may feed the dome lights, etc. There is also a wire on pin 3 of plug H connected to the the fuse. I don't have any details on colour. I don't know if the the numbering system goes left to right on a 550. I don't have access to a 550, so I can't check.

    You could help the Ferrari community by making a list of wire colours (including stripe colours) on plug H ;)
     

Share This Page