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Honda Civic IMA 2004 Battery / Voltage Questions Please help

Honda Civic IMA 2004 Battery / Voltage Questions Please help

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  #1  
Old 09-10-2018, 12:57 PM
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Default Honda Civic IMA 2004 Battery / Voltage Questions Please help

Hi all, Avis here from Edinburgh. Just bought my Honda Civic 2004 IMA few days ago and have few questions.
Please bare with me, its my first hybrid car and I have good few questions. I will ask them in order.
many thanks in advance.

Honda Civic IMA 2004 Manual UK Car.

1. When I start car red battery light comes on and goes away after few minutes. I dont increase rev or any thing i just start car and sit there and after few minutes light goes away. ?

2. I believe these cars dont have an alternator ? correct or not ?

3. When I measure battery with multimeter i get 12.1 or 12.2 volts only, Good battery should have 12.6. is my battery faulty ?

4. When I start car it goes upto 13.8 / 13.9 max from 12.2. Good alternator should produce 14.4 volts min ? do i have faulty alternator ? If I have one ?

5. My battery currently in car is Type 054 CCA360 40ah. When i look online for new battery i see start/stop battery and non start/stop battery ? im confused. Can I just use any standard battery with same CCA and AH and dont worry about start/stop thing ? My car does have start/stop feature ?

Many thanks guys.

Avis
 
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  #2  
Old 09-10-2018, 05:42 PM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

#1 See #3

#2 Correct. DC-DC converter driven by the HV system.

#3 suggests your 12V is bad and is likely the cause of #1

#4 Honda does not follow the typical protocol for 12V charging. They tend to float at lower voltages, so #4 looks normal.

#5 Almost any 12V that will fit will do. All it does is power the computers prior to the IMA battery starting the car and po
 
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  #3  
Old 09-11-2018, 01:22 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

Originally Posted by S Keith View Post
#1 See #3

#2 Correct. DC-DC converter driven by the HV system.

#3 suggests your 12V is bad and is likely the cause of #1

#4 Honda does not follow the typical protocol for 12V charging. They tend to float at lower voltages, so #4 looks normal.

#5 Almost any 12V that will fit will do. All it does is power the computers prior to the IMA battery starting the car and po
Thank you so much Keith, this is exactly what I was looking for.

Precised, spot on clear cut answer.

many thanks
 
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  #4  
Old 09-11-2018, 01:47 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

Looks like I cut my message off...

#5 Almost any 12V that will fit will do. All it does is power the computers prior to the IMA battery starting the car and possibly crank the 12V starter in extreme cold.

Hopefully that's all you're dealing with.
 
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  #5  
Old 09-11-2018, 02:30 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

Originally Posted by S Keith View Post
Looks like I cut my message off...

#5 Almost any 12V that will fit will do. All it does is power the computers prior to the IMA battery starting the car and possibly crank the 12V starter in extreme cold.

Hopefully that's all you're dealing with.
Thanks. I was wondering what is PO ? lol

Cheers
 
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  #6  
Old 09-12-2018, 04:55 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

I have ordered new battery today.
Also I noticed battery terminals were bit corroded and wires corroded.
Will clean them with baking soda and some alcohol.
Also grounding bolt was also rust to F, so will sand it as well.

I will report back tomorrow some time once I have fitted new battery.

Thanks
 
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  #7  
Old 09-12-2018, 07:24 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

The ground straps of these vehicles are problematic. I recently posted an image from the manual of their locations. It's likely worth replacing them all as even if they look good, they can corrode internally.
 
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  #8  
Old 09-12-2018, 07:33 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

What this cable exactly called ?
Battery wiring loom ?
 
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  #9  
Old 09-12-2018, 08:36 PM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

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  #10  
Old 09-13-2018, 10:06 AM
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Default Re: Honda Civic IMA 2004 Battery / Voltage Questions Please help

brand new battery fitted today.
Before fitting it measured 12.6
after fitting and about 50 miles of driving now its reporting 12.2 / 12.3

never goes up to 12.6

no idea
 
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