ISV control pwm/voltage/current?

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  • porkkis
    S2Forum Extremist
    • Aug 2003
    • 1994
    • Country: Finland

    #1

    ISV control pwm/voltage/current?

    That's about it. I need to know if the original ISV is PWM or voltage or current controlled.

    My friend has an aftermarket ECU and we're trying to find out if it can control the original ISV.
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  • SilverSquirrel
    S2Forum Hobbyist
    • Jun 2006
    • 22
    • Home: United States

    #2
    pwm.

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    • Graham
      S2Forum Extremist
      • Jul 2003
      • 1622
      • Home: United Kingdom Current: Australia

      #3
      What does PWM mean?
      Everything should be made as simple as possible, but not simpler.--:Albert Einstein

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      • curlyks2
        S2Forum Extremist
        • Feb 2004
        • 1069
        • Country: United Kingdom

        #4
        Originally posted by Graham
        What does PWM mean?
        Pulse Width Modulation.

        See here (Wikipedia link) for more.

        Ck.
        Shocked, exhausted, hosed, bushed, dumped, chipped, mounted, filtered, gauged, packed, intermittantly wiped and braked. I mean broken. Now, about the car...

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        • bluetack
          S2Forum Buff
          • Jan 2006
          • 31
          • Country: United Kingdom

          #5
          Sorry wrong topic!
          Last edited by bluetack; 16 September 2006, 17:36.

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          • porkkis
            S2Forum Extremist
            • Aug 2003
            • 1994
            • Country: Finland

            #6
            Yep, it is PWM. We scoped my car to be sure. Seems to be 2ms pulse with typically 50% duty.
            ECU feeds ground.
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