Auto idle plus battery warning light Hi, On Friday I got a warning light on my 2014 9th Gen Civic it has the auto idle sign and a battery. I looked it up in the manual and it said it might not be detecting the battery charge, disconnect the negative, reconnect and drive around. I found this odd advice and haven't yet done this. I set off driving to work (35 miles) and now in addition to that I got to a point where there was a warning beeping every second but before it had chance to show me anything it cleared, I think it was trying to say the boot was open (which it wasn't). So it sounds like a new battery my fix this, but also perhaps it is the alternator. What does anyone think, should I head to halfords and get a new battery (It has never had one since new) or go to a garage as it may be something related to the battery not getting charged? Thanks |
Re: Auto idle plus battery warning light battery is probably toast, however you should check if the alternator is charging, do you have a multimeter? |
Re: Auto idle plus battery warning light I do have a multimeter, How would I check if it is charging? |
Re: Auto idle plus battery warning light check voltage at the battery with the car off and then check it again with the engine running post your readings here |
Re: Auto idle plus battery warning light
Originally Posted by Colin42
(Post 4759374)
check voltage at the battery with the car off and then check it again with the engine running post your readings here |
Re: Auto idle plus battery warning light Seems like it, throw a battery at it and see what happens |
Re: Auto idle plus battery warning light
Originally Posted by danped
(Post 4759363)
auto idle sign What fault codes does it have? |
Re: Auto idle plus battery warning light Hi Not sure of the fault codes as I haven;t tried that. I can just see the warning Stop start + battery is shown. Garage just told me it was at 54% so I'm getting a replacement battery shortly. Many thanks for your help. I'll post again if a new battery doesn't fix it. |
Re: Auto idle plus battery warning light the warning Stop start + battery is shown. For the LIN network code (charge warning light), check if any of the tiny wires broke on the battery current sensor on the neg post, I don't even want to guess at codes for pushbutton start system |
Re: Auto idle plus battery warning light Just had this problem come up on my newly brought '13 Civic EX 1.8. At 47k miles. Just wondering if changing the battery sorted your problem? |
Re: Auto idle plus battery warning light
Originally Posted by danped
(Post 4759363)
Hi, On Friday I got a warning light on my 2014 9th Gen Civic it has the auto idle sign and a battery. I looked it up in the manual and it said it might not be detecting the battery charge, disconnect the negative, reconnect and drive around. I found this odd advice and haven't yet done this. I set off driving to work (35 miles) and now in addition to that I got to a point where there was a warning beeping every second but before it had chance to show me anything it cleared, I think it was trying to say the boot was open (which it wasn't). So it sounds like a new battery my fix this, but also perhaps it is the alternator. What does anyone think, should I head to halfords and get a new battery (It has never had one since new) or go to a garage as it may be something related to the battery not getting charged? Thanks |
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