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my prius broke today

Discussion in 'Gen 2 Prius Care, Maintenance and Troubleshooting' started by RonH, Jul 28, 2008.

  1. Patrick Wong

    Patrick Wong DIY Enthusiast

    Joined:
    Mar 8, 2008
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    Location:
    Green Valley, AZ
    Vehicle:
    2015 Prius
    Model:
    Two
    Hi Ron,

    13.8V when READY is perfect, this shows the DC to DC converter is functioning properly. If you can measure the 12V battery voltage when the car is IG-OFF for an hour or more, then it should be around 12.6V. I'm not sure how far the battery voltage will sag when IG-ON.