How far can you submerge a cruiser?

I can't completely answer your question......... but as you found out with your winch install, a short in the 12V system will effectively kill the thing. While DC normally does ok with water, all the components in the DC to DC converter won't............... in Post #11 it looks like the OEM height of the rear bumper.
I see 28.5 inches or 72.5 cm to the base of the battery belly pan. no idea if that may help but i was already under the LC.
 

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So after watching that video again, maybe I’m not understanding this right… but was he saying that water was somehow pushed up into the air box and into the hybrid components from there? From the speed he hit that puddle? I don’t understand how that could happen if that is what Toyota was saying.
 
No it’s the intake for the HV battery ventilation not the engine intake. Those flapper vents, he also may have had issues with the motor generator.
 
Hmmm... I've already ran thru a couple big "puddles" about knee deep, real fast like that and mine didn't die...

but good to know about those vents in the rear bumper, I probably got lucky this time around
 
So what I can tell from the PDFs.......... the only air intake from the Hybrid system are located just behind the rear seats on the cargo side trim panels. I assume his Hybrid Inverter fried ........ but something is missing from the story, no way a splash like that got enough water through the flapper vents or doors seals to flood the Hybrid battery area and short out the Inverter.
 

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Maybe the Motor generator has air cooling? I wouldn't think so but also haven't looked? He could have got the HV box under the hood too maybe, haven't looked to see what this is either?

Either way hitting water at speed like that in any vehicle isn't too smart, lots of possible hidden stuff below the water and good chance to get water ingestion and hydro lock your motor.
 
I’ve had two tacomas before the cruiser, that I modded into pretty capable off-road vehicles, hit hundreds of puddles just like that. Submerged both in crossings and had both stuck in feet of water for 5min or more. Granted this is a hybrid and has a lot more going on, but I’m with EOD guy on this one, there has to be something else that happened here. There’s no way he generated enough force to push enough water up through those vents to fry anything.
 
So what I can tell from the PDFs.......... the only air intake from the Hybrid system are located just behind the rear seats on the cargo side trim panels. I assume his Hybrid Inverter fried ........ but something is missing from the story, no way a splash like that got enough water through the flapper vents or doors seals to flood the Hybrid battery area and short out the Inverter.
Just curious, is this a difference between the US Spec and international spec?
 
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