Battery drain

Welcome to 2CarPros.

There can be many things which can cause this. First, any car that sits an extended period of time can kill a battery. Today's cars have many different components which always have a draw on the battery. However, if the battery is going dead after only a couple days and you know the battery is good, then we need to find the draw. Also, we need to confirm that the alternator is doing its job to recharge the battery when the vehicle is used.

Take a look through these links. The first one discusses how to test an alternator. The second discusses how to find a parasitic draw, which may be the problem.

https://www.2carpros.com/articles/how-to-check-a-car-alternator

https://www.2carpros.com/articles/car-battery-dead-overnight

Also, I doubt you need them, but here are some general links that discuss how to use the equipment you will need to perform these tests:

https://www.2carpros.com/articles/how-to-use-a-test-light-circuit-tester

https://www.2carpros.com/articles/how-to-use-a-voltmeter

https://www.2carpros.com/articles/how-to-check-wiring

Let me know if any of this helps.

Take care,
Joe

Welcome back:

Try the link that helps locate the circuit related to the draw. If we can identify the circuit, then I can start pinpointing possible issues based on wiring schematics. Also, keep in mind a bad diode in the alternator can do the same thing. They are to allow power to flow one direction. When bad, they will allow power to reverse to ground and drain the battery.

Here are the specs specific to your vehicle when checking for a parasitic draw:

Ignition-Off Draw. 0.005 to 0.025 amperes

Electronic Module Ignition-Off Draw (IOD) Table

Radio. 1 to 3 milliamperes
Audio Power Amplifier. Up to 1 milliamperes
Central Timer Module (CTM). 500 milliamperes (1.0 ma)
Remote Keyless Entry (RKE). 2.5 milliamperes
Interior/Brake Lamp. 2 - 4 milliamperes

Note: All modules in table above, have no amp draw after timer is out, except the CTM 1.0 ma.

Milliampere = ma

Let me know if you have other questions and what you find when you try that link.

Joe

That will do it.

Take care,
Joe