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mwalsh
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Winshield wiper motor uses too much power

Thu Jan 24, 2013 2:48 pm

Another thing that kinda bugs me about the current LEAF is the amount of power the windshield wiper motor appears to use, and I was reminded of it during this morning's rain storm. It just seems like it's too much.

Take a look at your Energy Info. screen and the "other" meter when it activates. Then turn the windshield wipers off and try the rear wiper for a comparison. The rear motor hardly uses any power at all! Now I know that the rear motor only has to move one wiper arm and all, and a smaller one at that, but still...

Am I right, people? ;)
2011 Blue Ocean SL with 86,000 miles
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Randy
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 2:54 pm

Didn't Phil say that was a "fake" meter and didn't really measure power? That it was just a pre-programmed indication on the meter when stuff happened?

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mwalsh
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 3:00 pm

Randy wrote:Didn't Phil say that was a "fake" meter and didn't really measure power? That it was just a pre-programmed indication on the meter when stuff happened?
Really? So how comes it don't move when the rear wiper motor activates?
2011 Blue Ocean SL with 86,000 miles
2015 pack on 12/30/15
Tinted windows
Bosch AGM 12v
Ecopia 422+ tires
L1 EVSE upgrade
FIAMM horns
Superbright LED lighting
2013 sun visors
LED shifter
Heated seats
GT-R map lamp lenses
Altima illuminated door switches

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LTLFTcomposite
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Delivery Date: 10 Dec 2011
Leaf Number: 5926
Location: Central FL

Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 3:03 pm

The other day I had the energy display screen up the same time as the wipers were on intermittent, maybe 4 second interval. The other systems meter moved up and down perfectly in sync with each cycle of the wipers. Kind of sad what passes for entertainment at my age.

I also noticed the rear wiper didn't seem to move the needle. Chalked it up to the swept area of the rear wiper being so much smaller and since there's no need for high speed the motor is probably much less rugged.
LTL
White 2012 SV delivered 10 Dec 2011 returned 25 Nov 2014 replaced with stopgap ICE Sentra
[35 months] [35K miles] [9 Bars]
2013 Volt replaced after 36 months/30k miles with ICE Rogue
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EVDRIVER
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 3:15 pm

How much power do you think it is using?

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ksnogas2112
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 3:31 pm

Doesn't the acid battery run that option instead of the traction?
Tom in KS
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defiancecp
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 3:41 pm

True but the pull on the 12v battery should correlate to a related increase in draw across the dc-dc converter.

Bicster
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 4:04 pm

It wouldn't be terribly hard to measure the current draw.
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TomT
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 4:57 pm

Yep! Accessory power is all a simulation...
Randy wrote:Didn't Phil say that was a "fake" meter and didn't really measure power? That it was just a pre-programmed indication on the meter when stuff happened?
Leaf SL 2011 to 2016, Volt Premier 2016 to 2019, and now:
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ebill3
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Leaf Number: 7964
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Re: Winshield wiper motor uses too much power

Thu Jan 24, 2013 5:06 pm

Bicster wrote:It wouldn't be terribly hard to measure the current draw.
Pull the fuse and insert ammeter leads. But, too cold in my garage now - maybe in a couple of months.
All electric - red LEAF, green Tesla S. No ICE.

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