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Juch
New User
Nov 18, 2014, 11:40 AM
Post #1 of 6
(1867 views)
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'08 Yaris won't jump
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'08 Toyota Yaris, 120k miles
Just drove from Buffalo, NY to Madison, WI in a Toyota Yaris and on accident left a light on in the inside over two days. When I tried to start the car the engine didn't crank, so I tried jumping it. Left the donor car idle for about 15 minutes while intermittently revving the donor car before attempting to start the dead one. Engine didn't crank and nothing happened. I repositioned the jumper cables on both cars and waited about 15 minutes of idling and tried again. This time the headlights and interior lights came on, but the engine still didn't crank. Any idea what is going on? Someone mentioned to me that a nut on the positive terminal might be loose.
(This post was edited by Juch on Nov 18, 2014, 12:37 PM)
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 18, 2014, 11:58 AM
Post #2 of 6
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Re: '04 Yaris won't jump
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TWO DAYS in that cold very well could have killed your battery from freezing. Some crack, some don't.
Hey - awful cold and soon for it both places. Still might be loose something but probably bad battery. If cables were any good from a good donor for a jump it would work without having cables on the dead battery but most cables are NOT that good. Doesn't really help as you couldn't drive like that and don't try but could prove it's the battery especially if older (3-4+ years) but could freeze and fail if brand new and WAS good depending on how dead, how cold and how long exposed,
T
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Juch
New User
Nov 18, 2014, 12:00 PM
Post #3 of 6
(1848 views)
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Re: '04 Yaris won't jump
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I forgot to mention that car is stored in a warm area (underground parking garage), so the battery was never left out in the cold.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 18, 2014, 12:14 PM
Post #4 of 6
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Re: '04 Yaris won't jump
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OK - much better now. Clean up what you can do at YOUR battery or take it out and get it charged and tested. Many parts outlets will do that for you.
There's risk to donor and your car in jumping too long or allowing alternators to work too hard. If your only choice count like ten minutes with both cars running and unhook and repeat a few times for the sake of both. That's true in any stone dead battery case.
Know that automotive batteries are NOT meant to run dead and take it anytime well. Better chances when newer but it's been harmed a little or a lot unknown right now.
Better cables would probably help or if possible old trick was use two sets at the same time if you can. If donor is side posts you are screwed for better cables or wait longer for your battery to take a charge from it for quite some time maybe. Careful but feel donor car's alternator while running if safe and if too hot to touch give it a rest. Good luck,
T
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Juch
New User
Nov 19, 2014, 7:04 AM
Post #5 of 6
(1800 views)
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Re: '04 Yaris won't jump
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Turned out the donor car wasn't strong enough to jump it. Triple A came and jumped it fine with one of the portable jump kits.
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Tom Greenleaf
Ultimate Carjunky
/ Moderator
Nov 19, 2014, 7:19 AM
Post #6 of 6
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Re: '04 Yaris won't jump
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Naturally the motor clubs will have super strong stuff for this. It still leaves your battery low and charging on it's own alternator. What I'm trying to stress is try to finish the charge with a charger NOT the car to save YOUR alternator from overworking. May or may not take it or minimal harm to it that could show up later.
Think of battery and alternators as things that work together and depend on each other such that a problem with one can become a problem with the other.
Stay warm, Tom
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