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  1. #1

    Default Johnson System Check

    I have a 2005 Johnson 2 stroke engine. I sometimes get a system check (leds sequence and it beeps) when running the boat. How can I troubleshoot this problem?

  2. #2
    Join Date
    Nov 2005
    Location
    Mt. Zion, Illinois,
    Posts
    973

    Default Re: Johnson System Check

    #1 Which light is illuminated?
    NO OIL
    HOT
    CHECK ENGINE
    LOW OIL

    #2 What is the horn sequence?
    Continuous
    On/Off
    If On/Off, what pattern?

    you need to post answers to both of these questions first and then we can help more. The light that's illuminated and the horn sequence translate to different failures to check.

    KJ

  3. #3
    Join Date
    Sep 2010
    Location
    Jersey Shore
    Posts
    5,546

    Default Re: Johnson System Check

    Quote Originally Posted by bronx68 View Post
    I have a 2005 Johnson 2 stroke engine. I sometimes get a system check (leds sequence and it beeps) when running the boat. How can I troubleshoot this problem?
    If it is going through the sequence while the engine is running, the gauge is bad or you have a loose connection.
    Chris
    Dockside Marine Services
    Jersey Shore.
    Mercruiser/Mercury Certified
    Let the insanity begin.

  4. #4
    Join Date
    Nov 2005
    Location
    Mt. Zion, Illinois,
    Posts
    973

    Default Re: Johnson System Check

    Quote Originally Posted by Docksidemarineservices View Post
    If it is going through the sequence while the engine is running, the gauge is bad or you have a loose connection.
    Right, I did not catch that in the OP's post.

    On start up the system is supposed to beep and then go through the lights in sequence. If it's doing that sequence while the engine is running you have something wrong electrically.

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