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 Post subject: Headlights on while charging?
PostPosted: Sun Oct 01, 2017 7:16 pm 
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Joined: Sun Oct 01, 2017 7:10 pm
Posts: 3
Hey all;

New owner of a used 2014 RAV4 EV. Love it so far, but something is a bit odd to me: the DRLs turn on when I connect a charger. I've searched the forum a lot for some information about this, can't find any so far. Anyone else have this issue? Is there something obvious I'm missing? Light switch is on DRL OFF position when connected. Pulling the e-Brake does nothing.

Thanks in advance for your replies!


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 Post subject: Re: Headlights on while charging?
PostPosted: Sun Oct 01, 2017 7:36 pm 
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Joined: Wed Nov 14, 2012 9:50 pm
Posts: 3861
Location: San Diego
That’s another weird one.

Is this the original 12 volt battery in the car? If so, replace it immediately.


Rav4 EV 12 volt Battery recommendations:

https://m.pepboys.com/search/?term=bosch+24f+60ah+agm

I recommend the Bosch or Exide battery with the following specs for around $150-$180:

1) AGM (not flooded acid cells like the original)

2) Group 24F size

3) 60 amp/hour rating


Here are the specific models I recommend:


Bosch S6508B S6 Flat Plate AGM

There is also a Exide battery that is identical, except for superficial color and markings, but normally more expensive.

Exide Edge FP-AGM24F Flat Plate AGM Sealed Automotive Battery


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 Post subject: Re: Headlights on while charging?
PostPosted: Sun Oct 01, 2017 8:11 pm 
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Joined: Mon Jun 03, 2013 6:43 am
Posts: 249
Location: Redwood City, CA
If the 12V battery is OK, I wonder if the previous owner modified the car to do this. Do you see any extra wiring coming out of the charger area (under the big plastic cover under the hood)?

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 Post subject: Re: Headlights on while charging?
PostPosted: Thu Oct 05, 2017 1:57 am 
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Joined: Sun Oct 01, 2017 7:10 pm
Posts: 3
Thanks Tony! I believe it's the original battery - Toyota 55D23L, Group 5, 356 cranking amps, 99 minute capacity. Why replace right away? Are they faulty?


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 Post subject: Re: Headlights on while charging?
PostPosted: Thu Oct 05, 2017 12:48 pm 
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Joined: Wed Nov 14, 2012 9:50 pm
Posts: 3861
Location: San Diego
shiftdelivery wrote:
Thanks Tony! I believe it's the original battery - Toyota 55D23L, Group 5, 356 cranking amps, 99 minute capacity. Why replace right away? Are they faulty?


They don’t last very long

They are not proper for an EV

When they fail, they cause a LOT of issues for the RAV4 EV


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 Post subject: Re: Headlights on while charging?
PostPosted: Fri Oct 06, 2017 2:05 am 
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Joined: Sun Oct 01, 2017 7:10 pm
Posts: 3
Excellent, thanks for clarifying. In the meantime, I'll be asking the dealer's service department to make an effort to solve it.


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 Post subject: Re: Headlights on while charging?
PostPosted: Fri Oct 06, 2017 7:00 pm 
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Joined: Wed Nov 14, 2012 9:50 pm
Posts: 3861
Location: San Diego
shiftdelivery wrote:
Excellent, thanks for clarifying. In the meantime, I'll be asking the dealer's service department to make an effort to solve it.


If there is a 12 volt battery issue, the only thing that the dealer will do is install another ill advised Toyota battery.


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