Softwware Glitch in the PIP?

I haven't noticed this yet, but when i started out this morning backing out of garage, ev miles said 11.0. Then i noticed fan only was on and turned it off, and ev miles went to 12.5.

May be related?


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I have turned on the fan with no ICE before also. What is your temp set to? I now make it a habit to always turn off the climate controls, but before I do, I turn the temperature down to LOw. When I feel I want some air, I use the fan control arrows to turn up the fan.

The only time the ICE came on for me when I did this is if the temperature was NOT set to LO. In my case, it was around 74 or so with outside temp well below that. So it was expected the ICE would come on. However, I don't know what would happen if the temp is set to, say, 74, but outside temp was 80, for example. Perhaps just having any temperature other than LO will start the ICE?

 

Put another way ... if your outside temps are "well digger" cold ... say below 30 or 40 degrees ... and your temp is set at minimum (what ... 60 degrees?) - I'm thinking that the Prius is thinking you want the minimum temp. The Prius' minimum temp can easily be warmer than your outside temps.

 

i think that's it len. i never use 'auto'. if i want heat, i do it manually. raise the temp somewhere above low and turn on the fan if that's not enough. anytime temp is above 'low', the computer thinks you want it to be that temp inside the car.

 

How do you know the engine is actually running? I haven't experienced that.

In this video I just made available, I had the fan turned on to pull in outside air. It did that "reduction assumption" with the EV capacity, but that comes back when you shut the fan back off... which you can clearly see in the video. What you can't see is my ScanGauge showing 0 RPM the entire time. The Multi-Display shows 100 MPG one-minsute segments too.

What other detail can you provide?
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In my mind, if the inside temperature is set to ANYTHING greater than the outside temperature, this qualifies as the driver 'wanting heat' (and I'd expect the ICE to come on).

So far, in driving my PiP, I have found it very easy to avoid turning on the ICE, except when I want it to be on. I was a little worried about this aspect of my car, before I got it, but I couldn't be happier.

 

but you still luv the heck out of it!

 

How quickly does it turn the engine on when you turn the CC on? It would suck to have it turn on because it remembered your prior (higher) temperature setting even though you now want to turn it to LO.

 

'cc' = ???

 

Climate control

Turning on the climate control/fan with a "heater required" temperature turns on the ICE almost instantly. I don't think there's enough time to turn off the fan before the ICE starts, unless you're a ninja or something.

 

Yep. I have no PiP, but based on Gen 2 behavior and the minimal amount I've played w/the HVAC on Gen 3, if you don't want to request heat, have the temp set to the lowest point (LO on Gen 2). Setting it a single degree above it w/fan in a position other than than off == requesting heat, possibly causing the ICE to run/turn on.

The HyCam, NAH and Lexus HS all behave similarly although my test case usually involves the temp at max.

 

That should be what is invoking the ICE. I always turn the temp to LO before turning the fan off.

That's a tough situation to get heat in EV mode. Tough to get heat in a Leaf too, that's why they have heated seats and steering wheel in the 2012 models.

To get heat, i turn the fan on, then adjust temp up. usually I put it on feet and windshield defrost with the MODE button. I don't turn the temp up much, just to about 68 or so, which can make the ICE run a little more. I don't turn it up to 74 that i recall.

 

Someone mentioned, that having the AC on starts the ICE. Why is that? Running the AC (which is electric) should only require battery energy.