May need another new starting battery....
#17
So what should you consider? I have followed this thread for nearly 10 years and although there have been lots of "battery problems" discussed here, there have been few to no electrical systems reports associated with battery problems, except for the doorjamb switches. The doorjamb switches have two possible failure modes. They can fail is such a way as to cause the door to never be sensed open which will cause the headlights auto-off to not work and completely deplete the battery charge - you know, dead battery. Or they can fail is such a way as to never sense that the door is closed which leaves the courtesy light in the door on all the time and will eventually cause the battery charge to be depleted - it may manifest as a weak battery over a day or so and over a couple of days a dead battery. The vast majority of doorjamb switch problems are the kind that never sense when the door is open. Both of these failures are indicated by abnormal operation of the courtesy light in the door - it either never comes or it never goes off as opposed to on when the door is open and off when the door is closed.
And there is the possibility that you left the door or the trunk open overnight.
Last edited by jmcraney; 01-05-17 at 01:10 PM.
#18
Instructor
Oliver Ent.: "I doubt it's resolved. It's just waiting until you get out somewhere inconvenient for it to happen again. "
Agreed!
A 460 can stress-out a battery in no time and wild temp swings only complicate the matter.
@Roadfrog- I know you don't have any respect for Optimas, but I would get one (group 34/78) ASAP and ditch that useless plastic shroud that surrounds your factory battery. If I lived in the frozen tundra...I would get the Optima charger/maintainer and screw it to your garage wall. Be warm and safe.
For illustration only:
http://shop.advanceautoparts.com/p/o...optima+charger
http://shop.advanceautoparts.com/web...hedFrom=header
Agreed!
A 460 can stress-out a battery in no time and wild temp swings only complicate the matter.
@Roadfrog- I know you don't have any respect for Optimas, but I would get one (group 34/78) ASAP and ditch that useless plastic shroud that surrounds your factory battery. If I lived in the frozen tundra...I would get the Optima charger/maintainer and screw it to your garage wall. Be warm and safe.
For illustration only:
http://shop.advanceautoparts.com/p/o...optima+charger
http://shop.advanceautoparts.com/web...hedFrom=header
Last edited by superdenso; 01-06-17 at 05:43 AM.
#20
Lexus Fanatic
Thread Starter
I didn't check the electrolyte levels, but I probably should. I'm leaning towards the possibility that I left a door ajar, except that if I had, it should have warned me when I locked the car via the FOB.
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