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Old 03-04-2015, 04:09 AM   #70 (permalink)
planetaire
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Join Date: Feb 2010
Location: France
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Planetaire - '07 Toyota Prius 2 plug in
90 day: 195.47 mpg (US)
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Quote:
Originally Posted by RedDevil View Post
...

The Prius is a different animal as the motors are integrated in separate parts of the planetary HSD gearbox.
Without the hybrid battery the gearbox will not work and the car is bricked.
...
I would say:
-yes, if the HV battery is deconnected or have an open cell, the engine will not start at the begining of your trip and the car is bricked.
-but if the engine can be started, you are not bricked. You can use the "gearbox" without the HV battery. This append for exemple when the hsd decide that there are too unbalanced cells. He start the engine and you drive with an ordinary car, so no start/stop, no regen ... No current will come from/to the HV battery. You will then use more gasoline.. Usually you have warnings on the dashboard. Usually the battery is not dead suddenly, with years internal resistance is increased and capacity reduced. A diyer can replace only the cells that are "bad".

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