Question about 2010 Mazda 6 2.2

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How do I reset the flashing system charging light?

The system charging battery icon light on the instrument panel of my 2010 Mazda 6i flashes even when my car is turned off, all lights are off and the electronic key is inside the house far away from the car. This flashing light drains the battery and the car will not start unless I start it up at least every other day. If I go a few days without starting it, it will almost start then what little charge the battery has left will dissipate. A mere 5 minutes on the charger and the battery springs back to life and as long as I start it every other day it remains OK. What might be causing that system charging light to constantly flash? The car is 100% stock with no added options. It only has 43,000 miles on it. It looks and runs like a brand new car.

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  • Mazda Master
  • 12,449 Answers

You have a shorted diode or internal voltage regulator problem ! Is the check engine light on ? This charging system is computer controlled ! Don't just change it have it checked !

Posted on Apr 09, 2015

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SOURCE: mazda tribute 2005 want start

have battery load tested at locale auto parts. you may have a bad cell .if ok sounds like a selinoid problem

Posted on Aug 04, 2009

kirkx
  • 2019 Answers

SOURCE: 2005 mazda six. car working fine one day next day

When ever a batter this new goes bad, it is either because it is not being charged, because there is something wrong with the charging system, or there is a constant drain even when the key is off.

To check the latter, with everything off, you remove a battery cable and see if the is any glow from a test light between the post and the cable. If there is, then you have something on that should not be, all the time. Then you pull fuses and disconnect things until it goes off.

To check if the charging system is not working, the easiest way it is to borrow a battery to get it started, (don't jump start a car if you can avoid it, because you can ruin an alternator when it starts, because it will kill itself trying to charge up that bad battery.) With the lights on, rev up the engine. They should get slightly brighter. Of with a volt meter, see it go from 12.5 to 13.5 volts, or so. If it does not go up, then your battery is all that was powering the car, and it won't last long like that.

Posted on Jan 20, 2010

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To check the latter, with everything off, you remove a battery cable and see if the is any glow from a test light between the post and the cable. If there is, then you have something on that should not be, all the time. Then you pull fuses and disconnect things until it goes off.

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