Mr. John Smith
#1
Mr. John Smith
Hi everyone, thanks for all your welcome message's. It seems quite apparent that Jaguar cars(mine is 2008 XKR) suffer from electrical/battery problem's. I have just replaced my battery again after 2 years, it suddenly become flat for no apparent reason. I now find that the facia vents do not work ie. no air comes through them although they are selected. A second problem is that a warning light is now permanently showing and stating 'check pedestrian safety feature '. Has anyone any suggestion's please?
#2
The standard recommendation is to use a battery maintainer to charge the battery when not in use. The fact that you have a new battery but still are not holding charge indicates maybe you have another issue, to state the obvious have you had the charging system checked out?
Here is a thread with a guy who suffered from abnormal battery drain, he was able to resolve it with the dealer and did not buy into the normal thought of battery maintainers.
https://www.jaguarforums.com/forum/x...-straw-162836/
Here is a thread with a guy who suffered from abnormal battery drain, he was able to resolve it with the dealer and did not buy into the normal thought of battery maintainers.
https://www.jaguarforums.com/forum/x...-straw-162836/
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johnjo (09-05-2016)
#3
no mention to how much the car is used, how often it is driven, whether you utilize a maintainer, whether you fully charged the new battery to bring it to "full capacity", have you ever let it drain (get down below safe levels, maybe via leaving a door open, stereo on, etc) no one can answer your question with any level of accuracy. Have the battery checked out at a auto parts store (they hook up a load meter, volt meter is not accurate for this purpose), make sure your posts are clean and the terminals are tight then report back.
Because your battery was new does not mean it was either in great condition nor was it at full capacity when purchased and your car will not bring it to full capacity
Because your battery was new does not mean it was either in great condition nor was it at full capacity when purchased and your car will not bring it to full capacity
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johnjo (09-05-2016)
#4
no mention to how much the car is used, how often it is driven, whether you utilize a maintainer, whether you fully charged the new battery to bring it to "full capacity", have you ever let it drain (get down below safe levels, maybe via leaving a door open, stereo on, etc) no one can answer your question with any level of accuracy. Have the battery checked out at a auto parts store (they hook up a load meter, volt meter is not accurate for this purpose), make sure your posts are clean and the terminals are tight then report back.
Because your battery was new does not mean it was either in great condition nor was it at full capacity when purchased and your car will not bring it to full capacity
Because your battery was new does not mean it was either in great condition nor was it at full capacity when purchased and your car will not bring it to full capacity
..
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johnjo (09-05-2016)
#5
What is your skill set? Are you planning to fix these issues yourself?
The Pedestrian safety feature is a bit complex and requires a Jag specific code reader to reset.
To expand on Tampamark's suggestion, start with the battery and get the parasitic draw resolved or validate you have abnormal draw. Get a maintainer installed and use it.
It's relatively simple to isolate the source of the draw, but it's time consuming and requires the use of a multimeter.
To say Jaguar cars "suffer from battery problems" is subjective.
Many modern vehicles draw power when shut down. It's not exclusive to Jaguar, but, it is a indicative of modern/ current vehicles and will only grow more common as automotive engineering continues to migrate technologies from mechanical to electronic.
To expand on Leeper's suggestion, make sure you fully charge your battery before you load test it!
The Pedestrian safety feature is a bit complex and requires a Jag specific code reader to reset.
To expand on Tampamark's suggestion, start with the battery and get the parasitic draw resolved or validate you have abnormal draw. Get a maintainer installed and use it.
It's relatively simple to isolate the source of the draw, but it's time consuming and requires the use of a multimeter.
To say Jaguar cars "suffer from battery problems" is subjective.
Many modern vehicles draw power when shut down. It's not exclusive to Jaguar, but, it is a indicative of modern/ current vehicles and will only grow more common as automotive engineering continues to migrate technologies from mechanical to electronic.
To expand on Leeper's suggestion, make sure you fully charge your battery before you load test it!
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johnjo (09-05-2016)
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johnjo (09-05-2016)
#7
John Smith
Thanks everyone for all your feedback especially Sean W and tampamark. I have read them all and the threads. For information, when the battery went flat, I had driven the car some 40-50 miles 2 days before.
I assumed that with modern technology, cars would be capable of keeping a battery fully charged, obviously not. I have a good battery charger so I will now put it to good use and take your advice and put the battery on charge once a week and see how I get on with that!
Next stop is my local Jaguar dealer to have the pedestrian safety feature re-set. Thanks again, John.
I assumed that with modern technology, cars would be capable of keeping a battery fully charged, obviously not. I have a good battery charger so I will now put it to good use and take your advice and put the battery on charge once a week and see how I get on with that!
Next stop is my local Jaguar dealer to have the pedestrian safety feature re-set. Thanks again, John.
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#8
#10
Same here. I did have a CTEK for winter storage, but I never had an issue with leaving the car idle for a week. I think that was the longest I left the car without a tender.
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johnjo (09-07-2016)
#11
BTW, I haven't had any battery issues... yet... but it's driven every day.
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johnjo (09-07-2016)
#12
Is this true? Is it in "convenience mode" when unlocked and the door shut? I do notice when I turn the car off and sit in the driver's seat for a minute, there is a slight "humming" from under the driver's side dash (like a fan motor sound). I assume it goes away when locked but I can't hear it from the outside...
BTW, I haven't had any battery issues... yet... but it's driven every day.
BTW, I haven't had any battery issues... yet... but it's driven every day.
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johnjo (09-08-2016)
#14
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Odd, every site I checked showed it as available, except one, that said it was out of stock, but none said discontinued.
#16
I found OEM in several places, but...Duralast Gold - part # T8-DLG found at your local AutoZone. There are several other options too.
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johnjo (09-08-2016)
#17
And while we're at it, don't use a trickle charger either.
A maintainer will shut off when the battery is charged. A trickle charger won't and a charger certainly won't. If you put it on a charger and forget that you did, you just might have a little explosion on your hands.
See this - Ctek is a popular brand but there are less expensive ones.
https://www.jaguarforums.com/forum/x...lation-107738/
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johnjo (09-08-2016)
#19
Is this true? Is it in "convenience mode" when unlocked and the door shut? I do notice when I turn the car off and sit in the driver's seat for a minute, there is a slight "humming" from under the driver's side dash (like a fan motor sound). I assume it goes away when locked but I can't hear it from the outside...
BTW, I haven't had any battery issues... yet... but it's driven every day.
BTW, I haven't had any battery issues... yet... but it's driven every day.
I do believe that locking the car allows it to shut some systems down quicker so in theory it has to be true, what the real impact is on the battery is where you will get different opinions.