With winter season coming, cars tend to suffer, the most common scenario is to have troubles starting your Lexus IS in the morning with very low temperatures. Generally this is associated with problems recharging the battery of your Lexus IS . There are several factors that can describe why your battery does not recharge effectively anymore, and in this article we will try to help you to resolve this issue that can prevent you from using your car. To achieve this, first we will describe how recharging your car battery functions, then the different problems of recharging a Lexus IS, and finally how to recharge an empty car battery.

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How does recharging the battery of a Lexus IS work?

Before we detail the different complications of recharging the battery on a Lexus IS , we will describe to you how its recharging system operates so that you can understand the complications you are struggling with. A car battery functions like a phone battery, it will store energy to start your Lexus IS , turn on your headlights, enjoy music, lower your power windows… However all these actions will consume energy and it may deplete the energy reserve that your battery can store. To handle this issue, the engineers have designed a element called the alternator , this element will use the energy generated by the engine unit of your Lexus IS to produce energy thanks to a copper coil and a magnet. This energy will recharge the battery of your car . However, bear in mind that this process can just work when your car is running, using electrical components of your car when it is stopped will drain the energy reserve of your car. It is considered that a battery of a xxx has a life span of 3 to 5 years.

Problems recharging a Lexus IS’s battery

We will now describe the different battery charging complications on a Lexus IS you might be victim of. If your battery is not recharging because there is actually a issue in your electrical set up, we will now see the different cases.

Battery charging problem on Lexus IS: My battery is discharging regardless if I am recharging it with a specific charger

In this first case, it is quite possible that your alternator is dead , in truth, if you control to recharge your battery with a charger and your Lexus IS to start, the problem most certainly comes from your alternator which should not be able to produce any more current.

Battery charging issue on Lexus IS: My car shuts off and does not start regardless if I have charged the battery

If you have recharged your battery and you have been able to start your Lexus IS but it switches off while you are driving and then does not start, the issue with recharging the battery of your Lexus IS is that your battery no longer holds the charge .

Battery charging issue on Lexus IS: My battery is discharged although it is new

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If you’ve just bought a battery and it discharges while you’re driving, the issue most probably comes from your alternator. It cannot result from your battery, which is new and consequently holds the charge. The second possibility is that you have a ground somewhere in your electrical system.

How to resolve the issue of battery charging on Lexus IS?

We will now give you the solutions according to the issue you are struggling with. Here are the different complications and their solutions:

  • Faulty alternator: You can try with basic mechanics to verify it with a pressure gauge to find out if it’s producing power. If it doesn’t, replacing it is the best remedy, depending on your motor you will pay a few hundred euros. This fix is feasible in the event your alternator is accessible.
  • Battery that no longer holds the charge: In this case, the purchase of a new battery is the just realistic remedy. Obviously, if you have already recharged it but it is still empty because it is good to be replaced, count between 60 and 100 euros depending on your engine.
  • Ground in the electrical circuit: If you cannot start your Lexus IS but your alternator and battery are in good condition, it is possible that you have a ground on your wiring harness and that you lose energy, a verify by a car electrician is in such a case necessary.

How to recharge an empty battery of a Lexus IS

Finally, to recharge the empty battery of a Lexus IS there are just few solutions, using a battery charger is the most efficient remedy, you can discover some for 50 to 100 euros at vendors like Oscaro. In any other case you can use cables that will just provide the energy needed to start.

To find more tips on the Lexus IS, take a look at the Lexus IS category.