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Check charging system?


Wasim sadiq
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Hey my 2017 toyota avensis showing check charging system warning ⚠️ light then after few hours car  battery dead .jump start put within 1 min again .any one know its Battery or alternator ?

IMG-20210822-WA0000.thumb.jpeg.e4744ba8c0c7222c02c878eda447ca4c.jpeg

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Not an expert, but charging points to the alternator. You need a simple multimeter to read the voltage across the Battery. Then after jump starting the car, read the voltage again. The Battery is normally around 12v before starting, then with the engine running, over 14v. A low reading means the alternator is not charging the Battery. Check the drive belt. If that has failed the engine may overheat if the water pump is also driven by the belt!

Is the car still under warranty?   

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