Question about 2000 Toyota Corolla

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Is my battery dead or is it security mode?

2000 Corolla. Keys left in Ignition (OFF position) car won't start. Is it the battery, or has my car gone into "security mode"? Does my car have a "security mode"?

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Remove the key. Turn on the emergency flashers -- do they work?
If not, then the battery is discharged -- not necessarily bad, but discharged.

Insert key and do all sorts of electrical things EXCEPT for trying to start the car.
Radio
Wipers
Windows
Turn signals

Do they work or not?

Now, try the headlights --- if they work, are they bright or dim.


My guess is the battery is discharged, in which case it won't start, the lights won't work, but possibly the radio, which draws almost no current fromt the battery, might work.

Some batteries have a little window that indicates whether or not the battery is charged or discharged.

If you don't already own a battery charger, then this is a good time to get one. I prefer one with a needle-type meter on front that shows amperage draw.

If you have never used a battery charger, it is simplicity in itself.

There will be an on-off switch. Plug the charger in the wall, and leave the on-off switch in the off position. There will be a cable with a red clamp and one with a black clamp.

The "+" side of the battery will have red wires connected and possibly a flexible plastic red cover on it. The " - " side of the battery will have a black wire connected and not have a flex plastic cover.

Clamp the RED clamp from the battery charger to the + (red) side of the battery - you will likely have to push the flex plastic aside. Now clamp the BLACK clamp to the black side " - " of the battery.

Be sure the clamps are firmly attached to their respective terminals.

Make absoulutely sure that the RED clamp is touching ONLY the red side of the battery and is in no way touching anything else.

Turn the charger on.

When removing the clamps follow the above in reverse order.

A discharged battery will push that needle up on the scale and it will stay there for hours. As the battery gradually gains charge the needle will drop towards zero.

Once the battery is fully charged the meter will read zero. In this case zero is a good thing.

You don't necessarily have to wait 'till the meter reads zero --- if it is reading 2 or 3 amps the vehicle will most likely start and from then the internal charging system in your car will finish the task.

Be sure not to accidently connect the "+" and "-" side of the battery together or you'll see a nice bright spark the likes of which you may never have seen before.

Also, turn the charger off first before you dangle the clamp leads or you'll get the same spark.


good luck



Posted on May 20, 2009

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Dont know about security mode on the car, check your manual.
Check your battery by turning on your headlights and see if they work, if they do and work good then the battery is charged. If thats the case then it could be a security mode thing, if not a security mode thing then it could be a bad connection to the starter or a bad starter or starter relay.
Try the headlights first and see if you have juice.
If you donts check to see if you left a interior light on or your headlights, if so, recharge your battery and you should be good to go.
Good luck

Posted on May 20, 2009

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1 Answer

Were is the computer located


In regards to the 1614 code. You should/could also see code 1610.

P1610/P1614
P1610- Ignition key/engine control module (ECM) malfunction
P1614- Immobilizer control module (ATS) coding plug communication-no signal. (ATS=anti theft system)
The ECM is getting a signal form 1614 that the key/ignition is not providing a correct code. Hence, the programing is told to fail engine start. Should the engine failing to start with 1 key, try the other key.
Should the Anti Theft System go into lock mode with one key, try the second key. If that does not unlock it then do this: with either key turn the ignition to ON position for 5 seconds then BACK to OFF position for 5 seconds, the to On position for 5 seconds then back to the OFF position for 5 seconds. If the ignition key is and intergrated key (remote: unlock, lock) the batteries should be changed in both keys. Low battery or dead battery provides low or no security code signals to ECM -- hence incorrect or no signal.
When replacing the batteries: be sitting in the drivers seat with the 2 keys within 24 inches of each other. And make the battery change within 1 minute for each key and within 4 minutes of the first key.
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Very interesting site here.. regarding your problem. http://vatspasslockpasskeysecurityhelp.yolasite.com/
Another thought.. even though you charged the battery, it's not at all uncommon for a car battery to be very damaged by fully discharging. Especially if not new-ish. One or more cells in it may be bad causing the overall voltage to be under normal. This alone can cause the problem you have. I would try jumping it with another car or test the battery to see if it's got at least 12.7 to 12.9 volts when sitting doing nothing. Good luck.

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