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  1. #1

    Polaris Virage 800i, no spark, bad 45V system?

    Hello
    I have just bought a Polaris Virage 800i 2003 with no spark.
    I have read some threads to learn how the Ficht system works, and done some fault searching.
    The stator coils are OK, and no continuity to ground, and the AC voltage looks right, I did also remove the csp sensor to look for some metal debris, but there where nothing there!
    So both the 12v and 45v system looks fine until they enter the EMM, I only get approximately 4,7 DC volt on the white/ red wires(there should be at least 20V when cranking?), so it seems like there is an built in rectifier/ regulator for the 45V part that is broken.
    Ignitions coils have the right resistance.
    And if I have got it right both the ignition system (CDI) and fuel injection works with 45V? and the 12V part is just for charging the battery and MFD…
    The start stop module is new because the old one was burned.
    The multifunction display is “dead” visually at least, it have a black screen, but the engine crank fine, so it don’t seem to be the security code that is the problem.
    So my guess is that it is the 45V rectifier/ regulator that are broken.
    Am I right? Or have I missed something?

    Best Regards From a cold and dark Finland
    / Rickard


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    Excellent first post!

    Welcome to the Hulk

    Sounds like you have worked through all the diagnostics, short of reading the EMM trouble codes.

    If you are curious, you can use a simple LED tool to read the codes from the EMM. See my Ficht signature links for the details.

    However, given the tests you have done so far it seems clear that the EMM is in need of repair. A good stator ohm test, yet very weak DC output voltage from the EMM (in your case way below 20 volts DC) puts the focus squarely on the power section of the EMM.

    If you had another good EMM you can hook up the 8 and 12 pin connectors (which is just the power section) and see if the engine now runs.

    As it stands, I would be packaging that EMM and sending it to DFI Technologies for repair.

  3. #3
    jackofalltrades's Avatar
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    Quote Originally Posted by K447 View Post
    As it stands, I would be packaging that EMM and sending it to DFI Technologies for repair.
    X2 on the EMM repair. The guys at DFI are great. http://www.dfitechnologies.com

  4. #4
    Quote Originally Posted by K447 View Post
    Excellent first post!

    Welcome to the Hulk

    Sounds like you have worked through all the diagnostics, short of reading the EMM trouble codes.

    If you are curious, you can use a simple LED tool to read the codes from the EMM. See my Ficht signature links for the details.

    However, given the tests you have done so far it seems clear that the EMM is in need of repair. A good stator ohm test, yet very weak DC output voltage from the EMM (in your case way below 20 volts DC) puts the focus squarely on the power section of the EMM.

    If you had another good EMM you can hook up the 8 and 12 pin connectors (which is just the power section) and see if the engine now runs.

    As it stands, I would be packaging that EMM and sending it to DFI Technologies for repair.
    That was as i suspected. Then I will contact DFI and see what they say.

    Thanks for an fast and good answer!

  5. #5
    Quote Originally Posted by jackofalltrades View Post
    X2 on the EMM repair. The guys at DFI are great. http://www.dfitechnologies.com
    Sounds great! Thanks for the link!

  6. #6
    DFI are not responding to my e-mails that i have sent them, i have tried two different e-mailadresses.

    Is there someone who have got them to respond, or am i just having bad luck?

  7. #7
    jackofalltrades's Avatar
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    Quote Originally Posted by RunkiZ View Post
    DFI are not responding to my e-mails that i have sent them, i have tried two different e-mailadresses.

    Is there someone who have got them to respond, or am i just having bad luck?
    They get pretty busy sometimes so just give them a few days to respond. Eric will get back with you. You can call them also, just look on their website.

  8. #8
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by RunkiZ View Post
    DFI are not responding to my e-mails ...
    Phone calls during business hours work better than email.

    I think they are often closed on Mondays.

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