clynnh1230

Ok so for whatever reason my battery died, I'm assuming I left a light on somehow but am not really sure, it's been a few days since I've driven it. So here's what I did:

1. I put a battery charger on it at 2 amps for about 4 hours (didn't disconnect the negative cable first, I'm worried this was a mistake ). Car still won't start.

2. Since it wouldn't start after (1) I put the battery charger on the highest setting for a quick start (I think 50a). All the lights are on in the car but when I push the start button, nothing happens.

3. I read in the owners manual that I was supposed to disconnect the negative cable before charging, so I disconnect the negative cable, put the battery charger on, and the charger says the battery is full. I connect the negative cable, a couple lights come on inside, I press the start button, all lights go out like it died.

I feel like I probably just blew a fuse, I was going to check them last night but it was getting late and decided to mess with it more today. Today I will have a multi-meter with me to make things easier. Just wondering if anyone out there has run into a similar issue. Thanks in advance!

whitebeast

iTrader: (5)

You need new battery. put on new battery and everything is back to normal. Good luck!!!

Kumar350

iTrader: (5)

make sure you connect back your + & - connections just saying

HAiS250

iTrader: (10)

X2, You can go to an autozone and have them test out the battery for free. good luck!

clynnh1230

What makes you all think it's the battery vs. a fuse?

L3XOTIC

Definitely sounds like the battery is drained beyond the point of being charged. Take battery out, Autozone will do a free test and replace battery if needed.

clynnh1230

Well I feel like I can check the battery voltage myself first (12.4v - 12.7v ish?). I mean, what do they do at Autozone to check the battery?

WylieKylie

iTrader: (2)

You probably can check the voltage yourself, but battery voltage means nothing in this case. I'll bet dollars to donuts that if you use a simple voltmeter on the battery you will get 10+ volts, which is enough voltage to start a car. However the battery still may be no good, because the battery may not put out enough amperage to start the car.

The battery checking devices they have at auto parts stores put a load on the battery similar to what happens when you try and start the car, ie they are testing the voltage and amperage output of the battery.

06isDriver

^------ bingo

whitebeast

iTrader: (5)

OK, if it's fuses problem, all the light won't go dim or turn off when you crank. Just replace your battery and you'll get answer your own

shaolin

iTrader: (2)

samething happened to me last week. Jumped the car and it started. Tried to restart again later and it didn't hold any charges after 20 min of driving around and running. Had a bad costco battery so got a new one from walmart that fits better.

SCWB

Push start button system is very fuzzy and so it doesn't respond well with recharging battery. Before it let the car start, it will check for votage and other parameters. If any of the condition doesn't meet with the requirement, the engine start procedure won't happen. Change a new battery, and all the problem will be gone.

clynnh1230

Sorry for the late update but yea it just needed a charge. I guess my battery charger is just really crappy and it took forever.

VIPIs350

I went to autozone today actually and got mine tested because when I tried to start the car it would sound like it wants to die and it said on there machine I needed a new battery so I asked them if they could replace it and they said they don't recommend Doing it there? But to go to the Lexus dealership since sometimes the battery's make the car not start and reset the ECU on the car and I would have to tow the car to Lexus. Sorry to comment about this on your thread but I was curious if this is true.

panda08

iTrader: (1)

I personally haven't heard of having to reset an ECU after replacing a battery... on any car... I know Prius/ CT/ HS have battery ecu's, but they don't need to be reset after replacing the 12V aux battery..