Suspension warning light. What's it mean?

Discussion in '360/430' started by zippyslug31, Feb 22, 2008.

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  1. zippyslug31

    zippyslug31 Formula 3

    Sep 28, 2007
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    Another person started a related thread in the Technical forum, but it's not getting many views so I would like to pose a question to those who drive the cars.... specifically related to my experience with a 2000 360 Modena.

    Anybody else seeing the suspension warning indicator? It is the symbol of a car with little triangle/arrows pointing up at the wheels.
    Do the 360's have a low tire pressure warning system? If so, could this be what it's trying to tell me?

    I have non-OEM wheels (19's and 20's) and am unsure if it's related to these or if I have a legitimate suspension problem.
    The owners manual is not terribly specific or helpful with their explanation.

    thanks in advance.
     
  2. davo

    davo Rookie

    Apr 28, 2007
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    grimsby lincolnshire
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    paul davidson
    hi have been running my year 2000 modena for a year now with the same problem the suspension light stays on nearly all the time but occasionally goes out this in my case is a suspension ecu /sensor may be possibly just wiring connection on offside rear unfortunately without sd2 its a case off remove replace expensive on the f car .
     
  3. cEd4jets

    cEd4jets Rookie

    Jan 30, 2008
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    Sanibel Island, FL
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    Ed
    That was me who posted in the technical forum and I'm still trying to figure it out. Mine comes on usually after 5-10 minutes of driving and it doesn't seem to matter what I am doing - fast, slow, accelerating, braking, cornering and then stays on until shut down. Start it up again and the same happens. I can't feel any problems with the shocks. It is annoying me enough to take it to a dealer with a computer. I'll let you know what I learn after.
     
  4. frvett

    frvett Rookie

    Feb 2, 2008
    39
    Hi Ed
    I am having the same problem with the suspension warning light on a 2000 360 not many replys to this thread and no answers. I have 19,500 miles and had the car as new in 2000. It started about 1000 miles ago. If anyone finds out or knows what causes this indication please e-mail me at pjbarone@bellsouth.net in vero beach Florida.

    Thanks PETER
     
  5. woody byrd

    woody byrd Formula Junior
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    FYI, I had it happen on a 2002 550 Maranello and took it in to dealer. They had to replaced the shock.
    Woody
     
  6. PCH

    PCH F1 Rookie

    Apr 7, 2004
    2,976
    I find it odd that owners will drive their cars staring at computer warning lights either hoping they'll go away or thinking it's a false alarm. I guarantee posting inquiries about this will not solve your problem. Another owners experience and or diagnoses may be completely unrelated to yours. Go to the dealer and have it properly diagnosed.
     
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  8. toshiba

    toshiba Formula Junior

    Jan 14, 2008
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    Santa
    I'm just hoping my car doesn't do this right when I get it

    like someone said, get it checked out, or wait for the other guy to say what it is, but I would suggest to take a 100k+ car to get checked out and pay the $75 bucks.
     
  9. Derek Trotter

    Derek Trotter Formula 3
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    Jul 28, 2007
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    I had the same problem with my F355B a few years back. It was a broken "thingy", the red circular thing that sits on top of the shock absorber which adjusts the damping. Sorry, the "thingys" name has escaped me!
     
  10. PCH

    PCH F1 Rookie

    Apr 7, 2004
    2,976
    I believe your referring to the actuators.
     
  11. numisrx

    numisrx Formula Junior
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    I have a '99 with 22k, Mine started doing that and we (hopefully) traced it down to 3 sensors relating to acceleration/deceleration. Along with a bunch of other work, they are currently being replaced and I should know in a couple of weeks... after I get my car back and get to drive it a bit.
     
  12. Derek Trotter

    Derek Trotter Formula 3
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    That's the thingy!
     
  13. dm_n_stuff

    dm_n_stuff Global Moderator
    Global Moderator Lifetime Rossa Owner

    Dec 10, 2003
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    Recently had the same problem on my 2000 360 modena.

    Called the dealer. He said it was probably an actuator on one of the corners of the suspension, and that it had more to do with being in sport mode than in regular driving mode, that I couldn't do any damage to the car but to get in with it as soon as I could.

    Turned out to be a body accelerator sensor, which they replaced under warranty (I had just bought the car and it had a 90 day warranty.)

    But, the warning lights are there for a reason. I would guess it goes on for a failed shock, suspension actuator or this body accelerator sensor.

    Oh, if you have to buy those parts the actuators are (I'm told) about a grand each.

    DM
     
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  15. Derek Trotter

    Derek Trotter Formula 3
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    I have found them for £140/$280 here in the UK if you need one. Apparently they are a piece of p!ss to fit!
     
  16. 68rcodemustang

    68rcodemustang Formula Junior

    Aug 12, 2006
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    Mullet
    my 2000 360 does the same thing. When it happens my suspension goes rock hard.
     
  17. $$$=SPEED

    $$$=SPEED F1 Veteran

    Aug 18, 2004
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    Depends who's asking
    I lowered my 430 spider and the suspension light did come on till the computer re-learned the new height. Yes some cars come with tire pressure monitoring system but you could have a suspension issue. Aftermarket wheels larger than stock wheels is probally the issue. I would take the car to RTGT just to have them check into it for you to be on the safe side


    Mike
     
  18. numisrx

    numisrx Formula Junior
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    Mine also, from my understanding that is typical. It was so rough that at I times I would pull over and shut off to reset the suspension.
     
  19. jais

    jais Karting

    May 27, 2005
    175
    ATL
    I just got the "Suspension Warning" message driving home from dinner. Did a search (which is how I found this thread) but I don't see any responses to a 430. Any 430 owners ever get this message? Not sure if these two things are related but, earlier in the day I had a strange thing happen. I started the car and as I was leaving the parking space it sounded like I was dragging something. The car was very sluggish and felt like was going to stall. I pull over and it did stall. I restarted and everything was fine. That doesn't sound like a suspension problem though. Humm, strange.

    Oh well, timing is good because the car is due for a service.
     
  20. 68rcodemustang

    68rcodemustang Formula Junior

    Aug 12, 2006
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    just ignore it. Worked for me.
     
  21. zippyslug31

    zippyslug31 Formula 3

    Sep 28, 2007
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    Well, in my case with the 360, it turned out to be 2 bum sensors to the tune of about $750, IRRC.
    I wouldn't ignore it.
     
  22. FLF360

    FLF360 Rookie

    Apr 3, 2013
    10
    Hi, I had my suspension warning light sensor come on after having a stereo installed in my F360. could it be a wiring issue or something the car stereo have caused?
     
  23. vrsurgeon

    vrsurgeon F1 World Champ
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    It's possible. It's also possible that one of the sensors has gone.. the light means there is a problem with one of 3 sensors in the car. One is behind the front bumper, one in the engine bay on the right hand side beneath the trim panel, and one on teh passenger side of the car in front of the windshield. Alternatively, a connection to a shock might be out.. A simple scan with an SD2 or Leonardo will isolate the cause for you and reset it.

    With the multiple components it can be a bit of a guessing game unfortunately. :(
     
  24. EZORED

    EZORED Karting
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    Nov 24, 2007
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    My 2000 360 had the light come on after I installed a Parrot Bluetooth adapter. I disconnected and the problem goes away. connect and the light comes on. This does not made sense, as it is a plug and play install. No wires cut or power circuits added. I spent $750 getting it diagnosed. the tec found the problem by accident when he unplugged the radio
     
  25. rustybits

    rustybits Formula 3
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    Jan 28, 2007
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    I've seen this a few times, some aftermarket stereo equipment causes electrical noise which finds its way through to the instrument pack. The suspensions electrical circuit seems to suffer when this happens.
     
  26. cm2

    cm2 Formula 3
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    Is there a fix for this issue with stereo equipment causing problems back? Mine triggered a suspension light, and I think also messed with the reverse light switch. I'll try doing a power down cycle.
     
  27. DonJuan348

    DonJuan348 F1 Rookie
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    What's the function of body accelerator sensor?
     
  28. vrsurgeon

    vrsurgeon F1 World Champ
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    There are 3 sensors, one for each axis of rotation. Up and down (nose lift into air and dropping downward), this tells the computer if there is too much pressure in braking. Side to side, back kicking out.. as in turning of the car.. telling the computer that one side of the car is loosing traction, and thus to brake the opposite rear wheel. Lastly not sure if 3rd sensor is forward and aft acceleration or twisting for roll, too much deceleration and needs to correct the braking force.

    Its how the system in sport mode allows for more aggressive slip in the turns with tighter suspension.
     
  29. cm2

    cm2 Formula 3
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    Obviously you are missing the sensor that senses sweet tunes unusually coming from the speakers...

    Any thoughts on why and a fix?
     
  30. cm2

    cm2 Formula 3
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    Ding ding... Stupid installer, I think <=== me!

    Looking at thre wiring, it needs a harness to bridge differences between the a connections, as well as for the sub on the c connection. I just assumed the thing was plug and play to some sort of a standard! It looks easy, but isn't plug and play. The stock unit had speed sensors and reverse lamp wires... I just should never assume anything is as simple as it looks.
     
  31. mikegr

    mikegr Formula Junior

    Jul 3, 2012
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    Greece
    I was told by the dealer once, that newer 360s have revised wiring. Seems from these reports that he's right since all reports here come from earlier models
     
  32. fstbiker

    fstbiker Formula Junior
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    Jun 28, 2012
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    Do you think I will run into this problem with a 430. I'm looking to hook up the same head unit in my car?
     
  33. English Rebel

    English Rebel Formula 3

    Aug 13, 2013
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    Mine had a suspension fault light at some time in its service history. They replaced a vertical sensor.
    Alan
     
  34. vrsurgeon

    vrsurgeon F1 World Champ
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    Ah yes, I almost forgot the sensor in the bottom of the front seat, it does two things, it measures your weight and the pressure from your rear pocket. This "wallet sensor" assesses the size of your wallet. Once a threshold is reached, i.e. it increases by 50%, the computer causes things to break in the car.

    It's otherwise known as the maranello conspiracy.
     
  35. English Rebel

    English Rebel Formula 3

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    LOL That is funny.
     
  36. DonJuan348

    DonJuan348 F1 Rookie
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    How does the suspension act when these go bad ? Are they difficult to locate and replace ?
     
  37. Qacollision

    Qacollision Rookie

    Apr 26, 2013
    11
    So I have the suspension light on after I installed an aftermarket alpine stereo. If I unplug the stereo, the light goes away. Any ideas on how to fix this gremlin.
     
  38. I'm 360 Canuck

    I'm 360 Canuck Formula Junior

    Nov 21, 2015
    749
    Interesting....I get the light when I drive my car after having not driven it for a week or so....after a twenty minute drive, it goes away if restarted. I figure it's battery related.
     
  39. I'm 360 Canuck

    I'm 360 Canuck Formula Junior

    Nov 21, 2015
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    Is it a high watt system that could be taking a large load from the battery?
     
  40. Qacollision

    Qacollision Rookie

    Apr 26, 2013
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    No. just a replacement of the OEM radio with a newer Alpine single din unit with bluetooth. No amp, or Subs.
     
  41. robertpel9

    robertpel9 Formula Junior
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    I just had that light this spring. Hooked up to Leonardo - rear vertical acceleration sensor. $220 later, light gone and on my way. 30 minute repair
     
  42. John_K_348

    John_K_348 Formula 3
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    Need a ground loop isolator?
     
  43. mello

    mello Formula 3
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    Perhaps the Alpine is too heavy? :)
     
  44. Jamarico

    Jamarico Karting

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    Hi Robert

    Do you remember the part# of the vertical acceleration sensor ?
    I've to replace mine as well.....Thanks!
     
  45. Jgivoo

    Jgivoo Karting
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    i had the suspension light come about half a dozen times. Replaced battery and the light has never come back on
     
  46. Jamarico

    Jamarico Karting

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    #44 Jamarico, Aug 7, 2017
    Last edited: Aug 7, 2017
    Hi

    Thanks for your reply.
    I just replaced my battery and the diagnostic tool points out an error in vertical acceleration sensor rear...this is why I jumped in this conclusion.

    P.S.
    I just figured out....the part# must be 232690
     

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