I have a 2005 corolla S 2.2 and the battery will die if not cranked every day.

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Old 03 Apr 2014, 07:18 pm   #1 (permalink)
Thom
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Default I have a 2005 corolla S 2.2 and the battery will die if not cranked every day.

The battery is new. The alternator is new. The battery will go dead if not
cranked every day.What could be drawing the battery down. Nothing is left on.

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Old 04 Apr 2014, 02:45 pm   #2 (permalink)
NotMe
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Default Re: I have a 2005 corolla S 2.2 and the battery will die if not cranked every day.


"Thom" <065b0505594b06f549b8b6640ba408f1_1124@example.com > wrote in message
news:1286d$533dec29$41b57997$18819@news.flashnewsg roups.com...
> The battery is new. The alternator is new. The battery will go dead if not
> cranked every day.What could be drawing the battery down. Nothing is left
> on.
>
> --
> posted from
> http://www.motorsforum.com/toyota/i-...ot-243948-.htm
> using MotorsForum's Web, RSS and Social Media Interface to
> alt.autos.toyota and other automotive groups


You need to test for parasitic current.

New may not be the solution as the batter may be partially bad (self
discharge) or the alternator may be leaking current back flow through the
diodes.


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Old 05 Apr 2014, 02:03 am   #3 (permalink)
nm5k@wt.net
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Default Re: I have a 2005 corolla S 2.2 and the battery will die if notcranked every day.

On Thursday, April 3, 2014 6:18:01 PM UTC-5, Thom wrote:
> The battery is new. The alternator is new. The battery will go dead if not
>
> cranked every day.What could be drawing the battery down. Nothing is left on.
>


Need to measure the current drawn to see what you are actually
dealing with. The usual method would be to use a VOM and measure
in series with the battery. IE: unhook the positive and connect
the VOM from the battery + to the + cable, with the meter set for
current.
I suspect it's normal to draw some current when not running. IE:
clock, random EVAP purges, etc, etc.. But it should not run down
in one day. I have a 2005 CE, and I've sometimes gone a few days
without starting. I only recently ran the battery down in that car
for the first time, but it was from me sitting out in the car and
using my laptop to get on the interweb when the house desktop was
busy...
I underestimated how much current the laptop would pull, and ran
it down low enough to not turn the starter over..
I hate doing that.. It's not good for a battery to discharge it.
But I slapped a charger on it pronto and got it back up to normal.

Anyway, until you actually measure and know what it's pulling, there
is little one can do.
If it's pulling more than normal, you could then start backtracking
the circuits and pull fuses for each until the current draw drops out.

The thing is... I'm not really sure what is normal.. I've never
checked it on mine. It could be the battery or the new alternator,
but the auto parts store can probably check those.
A bad diode could cause that, and not charge properly when running.
But it could be a lot of other things.. IE: make sure the trunk light
is not on, etc..



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Old 05 Apr 2014, 01:00 pm   #4 (permalink)
Jeff Strickland
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Default Re: I have a 2005 corolla S 2.2 and the battery will die if not cranked every day.


"Thom" <065b0505594b06f549b8b6640ba408f1_1124@example.com > wrote in message
news:1286d$533dec29$41b57997$18819@news.flashnewsg roups.com...
> The battery is new. The alternator is new. The battery will go dead if not
> cranked every day.What could be drawing the battery down. Nothing is left
> on.
>



A manufacturing problem with the battery can make a new battery act like
this.




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