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2009 INVERTER PUMP

Discussion in 'Gen 2 Prius Technical Discussion' started by RICH MOFFO, Jan 3, 2022.

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  1. Tombukt2

    Tombukt2 Senior Member

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    Squeeze the hoses . Does the pump sound change when you squeeze the hose smartly?

    SM-A715F ?
     
    #21 Tombukt2, Jan 29, 2022
  2. Tombukt2

    Tombukt2 Senior Member

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    What fuses feed the pump for the inverter just AM2 or is there another one?
     
    #22 Tombukt2, Oct 22, 2023
  3. mr_guy_mann

    mr_guy_mann Senior Member

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    Just AM2 through the inverter W/P relay. That relay is triggered by the power source control ecu (on IG2D ckt)
    .
    Screenshot_20231022-185237.jpeg Screenshot_20231022-185353.jpeg

    Posted via the PriusChat mobile app.
     
    #23 mr_guy_mann, Oct 22, 2023
  4. turbo5spd-prius

    turbo5spd-prius Junior Member

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    I second this suggestion. I've change 2 of these pumps without completely flushing the coolant. No turbulence in the reservoir initially in both cases until I cycle squeezing the hose going into the pumps. The first pump was OEM. The second one that stopped working right was an Autozone unit. It just started working intermittently and only on at max power then. That one lasted nearly exactly one year. Hoping the Aisin one that replaced it does far better.
     
    #24 turbo5spd-prius, Nov 2, 2023
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