Bad battery & blown main fuse

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maverick415

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My 2011 QX56 only has 40k miles on it but the battery went bad and I blew the main fuse connected to the battery. Had the car towed to the dealer and new battery and main fuse installed under warranty, no cost out of pocket. However, it seems odd the battery would go bad so soon. I just bought the car in December and have already had the HU replaced and now a new battery. WTF? I owned 3 different Toyota trucks before this and never had this many problems in 10 years. If a trend of nagging problems keeps going like this it will be the first and last Infinity product I own.
 
those parts are massed produced so these things happen. this is not unique only to nissan but for other brands as well.

that said, i have had 3 nissan trucks, a 2006 armada, a 2008 armada and now a 2012 Q. never had any issues with the first two and although i am a year in ive not had any issues with the Q.

unfortunate to hear of these issues, but that is what the warranty is for right? :D
 
Thats a bummer maverick. Interesting you mention battery. I have noticed that if you leaved the QX parked for a week, that it likes a trickle charger on it. Takes a while to get it back to the storage voltage, like two days, then its good.
I will swap the charger from my diesel truck which I don't drive that much in the winter, but has two batteries, originals, from 2005. I put connectors on both vehicles. They are parked beside each other.
I think trickle chargers are excellent to preserve your battery, especially if you run all the time with headlights and heaters in the winter. Connect your charger overnight and battery is happy.
My motorcycle has an original battery in it from 2000, but I have to get a new one this year. But I cannot complain with 12 years of service.
My 2006 Lexus has the original battery. I connect the trickle charger on it over the weekends. So trickle chargers are excellent.
Have a good one!
Parrott
 
Mav,

Not very typical with Infiniti's ... You want problems, you shoulda seen the crap I went through with my Audi A8!!! That thing was expensive to repair and always needed something!! Man, I miss the car!!! Best driving car EVER!!!
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Marctronnix, good point about the massed produced parts causing problems.

Dread Parrot, my QX was parked for 3 days before having the battery issues. Repeated attempts at jumping the battery blew the main fuse. I'll have to keep an eye on the battery when it sits for long periods of time.

Roughyear, my brother had an Audi and he had nothing but problems with his too.

Hopefully this will be the last issue I have with the QX for a while.
 
reply to battery problem

How did you fix your problem? I am having the same prob..
 
I had a similar issue with mine. Battery gauge on the dash never indicated a problem with charging or low voltage. When to work, parked the truck for approx 3-4 hrs and came out to find the entire truck dead as a door nail. Couldn't get it started at all. Called Roadside assistance and they came out and tried to boost it. Didn't work. So had to get it towed to the nearest dealer....that is 4 hrs away.

They replaced the battery under warranty and sent me on my way.
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Sorry to hear that. What year do you have? Mine is a 2011.

Gumbey said:
I had a similar issue with mine. Battery gauge on the dash never indicated a problem with charging or low voltage. When to work, parked the truck for approx 3-4 hrs and came out to find the entire truck dead as a door nail. Couldn't get it started at all. Called Roadside assistance and they came out and tried to boost it. Didn't work. So had to get it towed to the nearest dealer....that is 4 hrs away.

They replaced the battery under warranty and sent me on my way.
Click to expand...
 
Reply to Battery Problem for QX56

:mad:New to the forum

Have the 2011 QX56 ~VERY FRUSTRATED...

Before I jump in and share our issues, I do want to share a LESSON LEARNED.

We have had the vehicle jump started atleast 8 times in two years. In addition, we had to have it towed into the dealer once. Dealer has not been able to duplicate the issue. With that being said, a previous post mentioned having to have it towed as they could not get the electronic ignition to start. We ran into the same issue and I found that if you completely disconnected the battery (both positive and negative leads), waited 5 minutes, reconnected the leads, the vehicle would start right up.
I'm not a mechanic, but believe it may have something to do with the security system and ignition kill switch, and by pulling power to the battery, somehow resets the kill switch. You would think the remote would do that, however; I have found that only by pulling power to the battery, can you get the vehicle to start.

With this in mind, we still haven't figured out why the vehicle's battery will drain in a matter of minutes for the smallest thing. We have left the vehicle engine off with the radio on (dead in 15 minutes); we have left the vehicle engine off with the ACC on (dead in 15 minutes); we have also left a door open and the back hatch open, only to find the vehicle dead (not sure how long, but no more than 2 hrs).

Last night was the kicker.... We went out to eat, parked the vehicle in a public garage and left the vehicle with everything off and the alarm set. Three hours later, it was dead! Had to use the manual key to get in. Two hours later we finally got it started after getting a car service to come out and help. I had to convince them to disconnect the battery to get it to start. They didn't believe me, until it wouldn't start without doing that first.

You would think there would be a sensor that would detect low voltage and shut everything off to conserve the battery. We have owned lots of vehicle makes (BMW, Ford, Honda, Toyota, Saab, Chevy) and this is our second Infiniti. I have never seen a battery drain like this..... It's got to be an electrical issue that is pulling power or a design flaw.

It is now with the dealer and will stay there until they figure it out.

Any ideas?
 
the entire car is controlled by a computer network. the BCM or Body Control Module is the boss behind the curtain. all of the major components eventually speak to the BCM.

if there is something not being deactivated when ignition is off, the BCM should be checked. all of the components are serially connected, so it can be a bit of a hassle to track things down with no DTC's, so my first question is had the dealer been able to pull any DTC's or ERROR codes form the OBD port?

I am ASSuming the charging system has been tested yes?
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