silvermask123
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Joined: Thu Jun 07, 2018 9:22 am
Delivery Date: 01 Jan 2013

Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 9:31 am

I put the leaf (2013 model, 51k miles) to charge overnight. In the morning it won't start.

* Dashboard turns on, AC, radio, etc. works fine, display shows 56 miles range. However, the leaf just won't start. It shows red and yellow warning sign, and car warning sign on the dashboard.
* I also cannot also charge the car anymore.
* I checked the 12V battery and it shows 12.23V with multi-meter, so at least it seems 12V battery is not an issue?
* I disconnected 12V battery (by removing negative wire) for 30 minutes and reconnected to reset. No luck.
* When the display turns on, it shows that it has 56 miles range - so looks like in the middle of charge, something went wrong as if it would have charged all the way, it would be over 70.

Any idea what could be wrong and how I can troubleshoot more before I get it towed to the dealer :(

Thanks in advance.

LeftieBiker
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 10:06 am

* I checked the 12V battery and it shows 12.23V with multi-meter, so at least it seems 12V battery is not an issue?


12.23 volts is low, possibly low enough to indicate a problem. Charge the 12 volt battery, clear the codes again, and try again.
Scarlet Ember 2018 Leaf SL W/ Pro Pilot
2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

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davewill
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 10:45 am

If you had LEAFSpy, you could read out any diagnostic codes. Other than that, it may be time to have the dealer look at it.
2014 Rav4 EV, Blizzard Pearl White
2011 LEAF SL w/QC, Blue Ocean, returned at end of lease

silvermask123
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Joined: Thu Jun 07, 2018 9:22 am
Delivery Date: 01 Jan 2013

Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 11:22 am

Thanks for the quick reply.

Are battery tenders good to use on Leaf?

What should the voltage output show ideally, so I can at least remove that as suspect once I charge the 12V battery?

Also, just making sure - disconnecting the 12V battery does clear out codes right?

LeftieBiker
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 12:44 pm

Battery tenders of all kinds work fine, as long as they are designed for 12 volt batteries. A normal 12 volt Leaf battery should read at least 12.5 volts, and preferably higher. A freshly charged 12 volt battery should read around 13 volts. And disconnecting the battery for 5 minutes will clear codes, but persistent ones will show right up again.
Scarlet Ember 2018 Leaf SL W/ Pro Pilot
2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

silvermask123
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Joined: Thu Jun 07, 2018 9:22 am
Delivery Date: 01 Jan 2013

Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 12:48 pm

Awesome. Thank you! 12V battery is on battery tender now. Will report back the outcome in case others run into similar issue.

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Nubo
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 6:24 pm

silvermask123 wrote:Thanks for the quick reply.

Are battery tenders good to use on Leaf?

What should the voltage output show ideally, so I can at least remove that as suspect once I charge the 12V battery?

Also, just making sure - disconnecting the 12V battery does clear out codes right?


Measuring the battery under no-load doesn't always give useful information. The car doesn't need more than the 12.3 volts you measured; it should have started fine -- IF the battery could actually deliver that voltage. But, voltage could be falling dramatically as soon as the car tries to draw current from the battery. I had such a situation, where the battery measured 12.5V but as soon as a load was attached dropped to under 10V. You might try measuring the voltage, and then turn on the car's high-beam headlights and measure again to see if there's a large voltage drop under that load. If it drops more than 1V with the high beams on, the battery is suspect. If it drops 2V or more, the battery is toast. Don't turn the car on during this test, otherwise the car's DC-DC converter will invalidate the result.

Some auto-parts stores will perform a more rigorous load-test for you for free. Autozone, for example, iirc.
I noticed you're still working with polymers.

LeftieBiker
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 7:04 pm

Given a situation in which the 12 volt battery has been left alone for a long time (no external charging or large drains with the car off) then the rest voltage has proven a pretty good indicator of usefulness - IF you assume that anything below 12.4 volts is problematic.
Scarlet Ember 2018 Leaf SL W/ Pro Pilot
2009 Vectrix VX-1 W/18 Leaf modules, & 3 EZIP E-bicycles.
PLEASE don't PM me with Leaf questions. Just post in the topic that seems most appropriate.

SageBrush
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 8:25 pm

davewill wrote:If you had LEAFSpy, you could read out any diagnostic codes.

This
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Bought off-lease Jan 2017 from N. California
Car is now enjoying an easy life in Colorado
3/2018: 58 Ahr, 28k miles

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Nubo
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Re: Nissan Leaf 2013 does not start even though 12v battery in good condition

Thu Jun 07, 2018 8:55 pm

LeftieBiker wrote:Given a situation in which the 12 volt battery has been left alone for a long time (no external charging or large drains with the car off) then the rest voltage has proven a pretty good indicator of usefulness - IF you assume that anything below 12.4 volts is problematic.


Often when people are working through these problems, they are intermittently getting starts, or have tried charging the battery, etc... A load test is easy and revealing. I've since gotten a dedicated load tester; they're inexpensive and now I use it during periodic maintenance to keep tabs on the batteries in both our vehicles. It's a 100-Amp unit so it's a more decisive test than just using the headlamps.
I noticed you're still working with polymers.

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