Battery replacement
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Thread: Battery replacement

  1. #1
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    Battery replacement

    When replacing the battery..is the radio code the only thing you'll need to "reset". Will the maint. required light stay on after a battery change?
    2004 exl, Sandstone Metallic 100,000 miles DEAD...lost the tranny at 102k
    2004 Mazda 3 s, Titanium gray 79,000 miles

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  3. #2
    Registered User William Wiles's Avatar
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    You should read the threads on reseting the alarm after a dead battery...
    2004 EX Odyssey.
    All posts made by me are in reference to the gen 2 Odyssey.

  4. #3
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    Re: Battery replacement

    Originally posted by skjfire
    When replacing the battery..is the radio code the only thing you'll need to "reset". Will the maint. required light stay on after a battery change?
    There's a simple, separate maintenance light reset procedure that is detailed in your owner's manual. We just replaced our battery and the radio code is all you need.

  5. #4
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    thanks

    I assumed the radio code is all there is..Just got a battery from wal mart...Gonna change it today. The dealer said just to change it with the van running...Then you'll not even need to worry about the radio code. Id feel better if i did it with the van turned off.
    2004 exl, Sandstone Metallic 100,000 miles DEAD...lost the tranny at 102k
    2004 Mazda 3 s, Titanium gray 79,000 miles

  6. #5
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    Re: thanks

    Originally posted by skjfire
    I assumed the radio code is all there is..Just got a battery from wal mart...Gonna change it today. The dealer said just to change it with the van running...Then you'll not even need to worry about the radio code. Id feel better if i did it with the van turned off.
    Leaving rhe van running makes no sense! Never heard of such a thing.
    2002 EX-L NAVI - Granite Green / Fern
    1999 EX-L (traded)

  7. #6
    Registered User William Wiles's Avatar
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    You stand a chance of damaging the electronics in the car by changing the battery with the engine running. The battery filters out the electrical noise that is generated by the alternator and any other motor running. That is poor advise. I can't imagine any dealer with any technical knowledge advising that. You also stand the chance of the positive lead touching metal and shorting the whole electrical system....
    2004 EX Odyssey.
    All posts made by me are in reference to the gen 2 Odyssey.

  8. #7
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    done..

    The battery change took all of 10 min. The radio code WAS the only thing i had to redo. The van started right up and that was it.
    Compared to other vehicles this battery change was almost too easy.
    2004 exl, Sandstone Metallic 100,000 miles DEAD...lost the tranny at 102k
    2004 Mazda 3 s, Titanium gray 79,000 miles

  9. #8
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    you also need to retrain the auto up/down driver's window. See your manual.
    '07 EX-L R&N Nimbus Gray
    '07 Accord EX-L Navi Alabaster Silver Metallic
    '07 Accord SE Royal Blue

  10. #9
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    Originally posted by brians
    you also need to retrain the auto up/down driver's window. See your manual.
    Hmm, Nope it works just as it did.
    Not sure what you mean about the window. I just tried it and not a problem with the auto up or down feature.
    2004 exl, Sandstone Metallic 100,000 miles DEAD...lost the tranny at 102k
    2004 Mazda 3 s, Titanium gray 79,000 miles

  11. #10
    Registered User William Wiles's Avatar
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    There is a procedure to set the limits of the drivers side power window. If it goes all the way up and down then you are ok. If it stops slightly open or not at the bottom you need to run through the procedure. You also may see some idle irregularities as the computer adjusts itself. There is an idle learn procedure that dealers should go through so they don't give the van back to the customer with idle irregularities. These will adjust themselves as you drive.
    2004 EX Odyssey.
    All posts made by me are in reference to the gen 2 Odyssey.

  12. #11
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    Lets see here, you change the battery and the following take place:

    1. Need to reset the radio codes.
    2. Need to reset the Nav unit Code??
    3. The "auto up/down" may need resetting.
    4. The alarm may need resetting.
    5. The com-pew-tar needs to relearn a lot of cruise and idle mixture settings.

    As we just started year five on the original battery, I'm about to do some preventative maintenance on our 03 and put in a new battery. So, while doing the change, why not clip a battery charger (on trickle - 1.5A) or use the jumper cables and another battery to keep the system "live" until reconnected?? No, not even considering leaving the engine running.

    Unless I'm missing something, keeping power to the beast might be better for it than a full shut down. As long as no grounding of the "hot" side takes place, it seems it would be easier on both of us if system stayed "live" during the change.

    Let me know if I've missed something - cuz it sure wouldn't be the first time - and "before" the change, please.

    Thanks guys.

  13. #12
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    Originally posted by William Wiles
    You should read the threads on reseting the alarm after a dead battery...
    I can't seem to find this thread. Could somebody please point me in the right direction?

    Is this something that needs to be done after replacing the battery?
    Last edited by royta; 01-16-2007 at 12:10 PM.
    2004 Odyssey
    EX w/Leather & DVD
    Starlight Silver Metallic
    Quartz

  14. #13
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    Originally posted by royta
    I can't seem to find this thread. Could somebody please point me in the right direction?

    Is this something that needs to be done after replacing the battery?
    I've never heard of it.

  15. #14
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    Originally posted by egads
    I've never heard of it.
    Thanks. I thought maybe the constant draining of the factory battery led to the problem I'm having HERE. We have since replaced the battery, but the alarm still does not function.
    2004 Odyssey
    EX w/Leather & DVD
    Starlight Silver Metallic
    Quartz

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