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  1. #1
    Pete1027's Avatar
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    Seadoo RXTX 260 fault code p1611

    Ski went into limp mode as i was riding it. Revs at 2500 without throttle input and max's at 3000 rpm with input. Fault code is P1611. Search shows that to be ISC output signal failed or Engine Speed > RPM (iControl Ski's Throttle Actuator - Power Stage Fault.).

    Anyone had this fault before and/or can advise me on some quick checks that may fix the problem before the last resort of going to a dealer???

    Can anyone explain to me what the above actually is??? Whats an ISC?? Im guessing that a power stage fault is a power supply issue to the throttle body motor??

    Cheers.

    Pete.


  2. #2
    Olomana's Avatar
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    I can't find anything about ICS, " I Control Switch " ?

    Click image for larger version. 

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  3. #3
    Pete1027's Avatar
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    Awesome...where did you get that document from??? i have the older model 4 tec ski diagnostics chart but it doesnt have anything in regards to the i control ski faults.

    Maybe in the newer skis the fault codes are different and hence why your document doesn't refer to this ISC thing.

    Cheers.

  4. #4
    Olomana's Avatar
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    This is the 2012 Shop Manual - 4 Tec, bought it.

    I will start with checking the throttle body for any sign of internal corrosion/salt since it is reving by itself.
    It might be stuck.

  5. #5
    Pete1027's Avatar
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    Thanks mate. I will have to get one of those manuals.

  6. #6
    C Doo's Avatar
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    my guess is bad intercooler, now stuffed throttle body... seen heaps of them at our local dealer... some with only 5-10 hours

  7. #7
    Pete1027's Avatar
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    When you say bad intercooler do you mean one leaking water into the inlet passage and as a result causing salt build up on the throttle body butterfly?

  8. #8
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    Not just salt build up. Some are leaking so bad - they eventually are trashing the motors.

  9. #9
    Pete1027's Avatar
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    Great (sarcastic tone). Ill pull the hose off the throttle body and see what i find.

  10. #10
    stuckmoto's Avatar
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    Check the connector too. Might just be electrical.

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