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Modern motorcycles' electrical systems

Discussion in 'Tech' started by Matthew REAM, Sep 7, 2020.

  1. Matthew REAM

    Matthew REAM jeantarrou

    Rant/question...

    Can someone please explain to me why the EFFF my 2010 S1000RR's electrical system is so rigidly interconnected!!!!!!?????

    Long story short, I blocked off the ABS pump and like any reasonable person, I figure why keep that boat anchor onboard anymore? Bad move... I was left with a randomly symptomatic mess...

    My question is, are all modern bikes running CANBUS (or similar) systems that are not receptive to modification? I assume modern Japanese bikes are more "user-friendly"?

    I'm not arguing the benefits of modern rider aids, I think they're super cool, but as someone that likes to tinker and mess around with stuff it is just so damn frustrating to be limited like this.
     
  2. beac83

    beac83 "My safeword is bananna"

    Modern bikes are like modern cars, driven by the computers (ECU and others). Taking any major component off without re-programming or adding something to fool the computer will not go well. Look for a patch for the ECU or an emulator to mimic the computer signals the ABS unit sends.
     
  3. Matthew REAM

    Matthew REAM jeantarrou

    I hear what you're saying, and understand that all the modules need to give the "green light" in order for everything to work correctly. BUT...

    Are any other brands less restrictive?

    I can code every module and every feature in my BMW wagon (E91) with any variety of coding and diagnostic software but can't on my S1000RR, wtf...
     
  4. emry

    emry Can you count? 50 Fucking what?

    You can't code the stuff on your motorcycle because of volume, or lack there of. But since you are interested, get a CAN sniffer, decode the PGN's and or encryption and then map it out. Sell it an make a million, easy. :|

    Less restrictive brands use carbs.
     
  5. Matthew REAM

    Matthew REAM jeantarrou

    I'm not savvy enough for that kind of techy-ness... Some super nerds sell the gs911 for diagnostics and light "coding", but relative to BMW automotive software (ie. ISTA, NCS expert, The Coding Tool, E-Sys, etc...) it's quite limited.

    F carbs...

    But I'm all seriousness, is BMW unique in it's rigidity, or are the other manufacturer's new machines equally less friendly?
     
  6. TurboBlew

    TurboBlew EeVee range testor and subsidy recipient

    Bren or Alpha don't offer any solutions for the issues youre experiencing??
     
  7. Matthew REAM

    Matthew REAM jeantarrou

    No, among other things you cannot just simply delete the abs out of the ECU. Alpha does sell a piggyback module, I've heard conflicting reports about whether that module in fact works as advertised though.
     
  8. metricdevilmoto

    metricdevilmoto Just forking around

    Put regular lines on the bike and plug the ports coming in/out of the hydraulic side of ABS module. It will still think it's working and you won't get a code and all the electronics will still work. Costs about $10 in M10 hardware and crush washers.
     
  9. tgold

    tgold Well-Known Member

    Brilliant!
     
  10. Gumby647

    Gumby647 SeƱor Member

    Actually you can remove the pump from the ABS module to save weight but you have to leave the electronics plugged in. Alpha used to sell a plate to bolt on where the pump used to be or you can make your own. My understanding is that the rear wheel speed sensor is connected to the ABS unit and gets transmitted to the ECU over CAN.
     
  11. Matthew REAM

    Matthew REAM jeantarrou

    This is not accurate, regardless of alpha plate, homemade plate, aluminum foil or what the F ever the ECU recognizes the pump is gone and... There is a "module" that Alpha sells to fool the ECU, it's expensive and I've read conflicting reports of it's effectiveness.

    Also, I'm aware off blocking off the abs pump inlets and outlets. The genesis of this rant, as stated in the first post, is questioning WHY removing the pump creates such an insurmountable shitstorm...
     
  12. IrocRob

    IrocRob Well-Known Member

    Totally unrelated to your problem, I am currently working on the electrical issues of a 1968 Harley Electra Glide.
    I'll let you imagine the nightmare, sometimes old isn't all that good either.
     
    TurboBlew likes this.
  13. Matthew REAM

    Matthew REAM jeantarrou

    Ha, fair point, I was working on 1974 Goldwing last month, a whole different kind of frustration... Jeesh, it just stuck me, maybe I'd be better off if I just stopped wrenching on all these damn bikes lol
     
  14. metricdevilmoto

    metricdevilmoto Just forking around

    Step 1: Desire computer bike.

    Step 2: Acquire computer bike.

    Step 3: Require computer bike's computer to save you from dying 9 times per lap.

    Step 4: Become confounded by computer bike's computer.

    Step 4B: Curse the means in which computer bike stops you from dying.

    Step 5: Air grievances regarding ownership of a computer bike while enjoying the full use of the skeleton computer bike allowed you to keep completely not broken.
     
  15. Matthew REAM

    Matthew REAM jeantarrou


    Ummmm... Huh? I don't think you fully understand my complaint.

    1. No
    2. Yes
    3. No
    4a. Absolutely
    4b. No! I curse the bike that almost killed me on track by completely shutting down at WOT...
    5. Yes and no, and maybe?
     

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