Question about 2002 Hyundai XG350

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Battery goes flat in 2 days without use

I find that if I don't drive every day the battery goes flat. I have changed the battery, alternator, starter and when I measure the current flow between the positive terminal on the battery and the disconnected cable ...the reading is .470 amp...the book suggests maximum drop of .050 amp.
I pulled the fuses one at a time till the ECU fuse/relay indicated as the culprit...but there are many things on that circuit such as the the excitation circuit for the alternator to blame?

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Its possiblly a diode in the alternator faulty.your best bet is to get an auto electrician

Posted on Jul 16, 2009


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