Notices

Draining Battery

 
Old 05-14-2019, 11:39 AM
  #1  
Registered Member
Thread Starter
 
Join Date: Jul 2010
Location: Upstate NY
Posts: 86
Received 3 Likes on 2 Posts
Draining Battery

My 09 MDX, every 2 weeks it drains the battery. I can jump it and it'll be good for another 2 weeks or so and then go to start it and it won't have enough juice to start. It started happening a couple months ago. I bought a new battery and it happened twice, in the first month. I took it back to the battery shop and they were going to charge it, but it was so drained that they went ahead and replaced it. Approx. 2 weeks later, same thing. I called the battery store they said I must have a constant drain somewhere. I told them they probably received a bad batch of batteries. So, to prove me right, I took the battery out of the MDX and swapped it with my '13 TL. TL also has a new battery (less than a year, no issues). So, it's been approx. 2 weeks and I'm waiting to see if the TL will drain. Well blow me over, the MDX wouldn't start this morning....

It has never stalled or threw any codes. While it 's running, I can disconnect the battery and the MDX remains on. I'm guessing this is the universal quick alternator check. If it was not charging or has a weak charge, I'm guessing once the battery starts to drain, it'll eventually stall or throw codes. MDX is driven daily. A few times, I can start it fine in the morning, drive it and in the afternoon, drained to no start. Yes, all battery connections are clean.

Anyone experience anything like this?

Thank you.
nynruas is offline  
Old 05-14-2019, 01:22 PM
  #2  
Moderator
 
thoiboi's Avatar
 
Join Date: Apr 2010
Location: SoCal, CA
Posts: 37,986
Received 5,846 Likes on 4,687 Posts

Time to bust out the multimeter and figure out which circuit is doing the drain. then report back so we can assist further.
thoiboi is offline  
Old 05-16-2019, 01:38 AM
  #3  
Registered Member
Thread Starter
 
Join Date: Jul 2010
Location: Upstate NY
Posts: 86
Received 3 Likes on 2 Posts
Jumped it and itís been good, for now. Thanks for the video to reference. Iíll do this, this weekend and report back.
nynruas is offline  
Old 05-25-2019, 07:40 PM
  #4  
Registered Member
 
Join Date: May 2004
Location: Feasterville,PA
Age: 39
Posts: 414
Likes: 0
Received 0 Likes on 0 Posts
When it dies again check the Hands Free Link and the A/C Clutch Relay. Both get stuck on and draw when the car is shut off.
nick04tl is offline  
 
Related Topics
Thread
Thread Starter
Forum
Replies
Last Post
CdTriX
3G TL Audio, Bluetooth, Electronics & Navigation
5
09-05-2010 11:56 PM
kaolombo
3G TL Audio, Bluetooth, Electronics & Navigation
2
02-26-2009 09:22 AM
palidanx
Audio, Video, Electronics & Navigation
7
01-04-2008 02:51 PM
dieguinone
First Generation TL (1996-1998)
9
02-11-2007 05:33 PM
spiderdrinks
2G TL Problems & Fixes
0
10-31-2005 01:40 PM


Thread Tools
Search this Thread
Quick Reply: Draining Battery


Contact Us - Advertising - Cookie Policy - Privacy Statement - Terms of Service

© 2019 MH Sub I, LLC dba Internet Brands

We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.