Author [NL] [FR] [ES] [DE] [SE] [IT] Topic: Engine immobilizer function?  (Read 7719 times)

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  • Offline Briang1234   us

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    Offline Briang1234

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    Engine immobilizer function?
    on: Jan 06, 2014, 01.45 pm
    Jan 06, 2014, 01.45 pm
    Im just thinking 'Out loud' here. If there was an issue with something onboard the bike dragging down the battery while the ignition is off (not the parking lights) what would be a prime suspect? I notice that only one system stays active for 24 hrs after the ignition is off. The manual doesnt say an awful lot about this other then if you have an alarm system its referenced in another manual, and that the immobilizer remains active for 24 hrs. Does anyone know (not guessing or speculating) for sure what an engine immobilizer actually is? Is it an active device? Obviously it keeps an LED blinking for 24 hrs but what else is going on there?
    Again, just wondering.....
    Last Edit: Jan 06, 2014, 02.23 pm by Briang1234

  • Online Coconut   gb

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    Re: Engine immobilizer function?
    Reply #1 on: Jan 06, 2014, 02.25 pm
    Jan 06, 2014, 02.25 pm
    The Engine Immobiliser - Immobilises the Engine ! 

    It is an electronic Security device to help prevent theft of the motorcycle.

    The Ignition Key containers a coded Transponder ( Computer chip ), which is "paired" ( programmed ) to the motorcycle.
    The code ( Maximum of four ) is stored within the Immobiliser Control Module.

    When an Ignition key is used, its Transponder Code is read by the Control Module,
    ( there is a coil antenna sensor built around the Ignition Switch ) and if the Code is correct,
    the Ignition Circuit is activated allowing the engine to be started.

    If ( one of ) the correct Transponders are not present and recognised by the Control Module,
    e.g. because of not being "paired", or there is a fault, then the motorcyle cannot be started.

    The actual Control Module is a combined Immobiliser and Tyre Pressure Monitoring System ( TPMS ) Control Module,
    attached to the front subframe underneath the left mirror mounting.

    The instrument panel assembly has a red LED which flashes to confirm the system is active when the Ignition has been turned off.

    The LED will flash on and off for 24 hours, and will then shut off to preserve battery capacity,
    although the Immobiliser system remains active.

    If a Triumph alarm system has been installed, then the LED may have different functions -
    consult the alarm documentation for details.

    In the event of a fault the red LED will remain ON, and any fault code will be stored n the Control Module,
    and can then be read by Triumph dealer diagnostic equipment.




  • Offline janfmiller   us

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    Re: Engine immobilizer function?
    Reply #2 on: Jan 06, 2014, 05.45 pm
    Jan 06, 2014, 05.45 pm
    Thanks Coconut for the great description and info.

    you are like the Mr. Trophy Wizard!!!
    1977 Suzuki TS-185
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  • Offline Briang1234   us

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    Offline Briang1234

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    Re: Engine immobilizer function?
    Reply #3 on: Jan 06, 2014, 05.50 pm
    Jan 06, 2014, 05.50 pm
    *Originally Posted by janfmiller [+]
    Thanks Coconut for the great description and info.

    you are like the Mr. Trophy Wizard!!!

    I agree. If your ever near Oregon Coconut, beers on me!

  • Offline Briang1234   us

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    Offline Briang1234

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    Re: Engine immobilizer function?
    Reply #4 on: Jan 06, 2014, 05.53 pm
    Jan 06, 2014, 05.53 pm
    So anyway, You can probably see the direction my thought on this was taking me. Looking for something that is active when the ignition is off.

  • Online Coconut   gb

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    Re: Engine immobilizer function?
    Reply #5 on: Jan 06, 2014, 06.16 pm
    Jan 06, 2014, 06.16 pm
    There's also the Digital (time) clock ?

    Cheers for the offer Brian :821:


  • Offline sungunr

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    Offline sungunr

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    Re: Engine immobilizer function?
    Reply #6 on: Mar 01, 2014, 03.20 am
    Mar 01, 2014, 03.20 am
    Coconut,

    One thing I noticed in the manual page 101,  if you have both keys close to the ignition switch it "may the interrupt the signal between the key transponder and the ignition switch causing the immobilizer to remain active".  Effectively causing the vehicle to not start. 

    I tried through a series of attempts with the keys provided to cause this condition to occur unsuccessfully.  Still it is theoretically possible I suppose.  Anything you or anyone else can share about this?

    Thanks
    "That's bold talk from a one eyed fat man"

  • Online Coconut   gb

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    Re: Engine immobilizer function?
    Reply #7 on: Mar 01, 2014, 03.54 am
    Mar 01, 2014, 03.54 am
    Hmm ....

    The Manual says "may" which would also imply "may not" !

    If the engine starts with both keys close to the Ignition switch,
    then for you it's "not" !

    I assume you are trying to confirm that the Immobiliser function works,
    but of course if you're engine starts you only know that it has NOT been immobilised  :084:
     
    One way to confirm the Immobiliser IS working,
    would be to get another key cut without a Transponder in it,
    ( or one not coded to your bike ) and check that it is not possible
    to start the engine using it  :028:


     



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