Mitsubishi

Mitsubishi repair problems? Ask a mechanic for answers ASAP

Ask an Expert,
Get an Answer ASAP!

I too am having the problem of battery draining after

Customer Question
sitting for days. It's had...
I too am having the problem of battery draining after sitting for days. It's had two new batteries in the last two years. I've measured the drain and it drops to a consistent 25mA after a minute or two after hooking up an Ampere meter.2002 Mitsubishi DIAMANTE LS
VIN 6MMAP67P52T019723Any suggestions?
Submitted: 2 years ago.Category: Mitsubishi
Show More
Show Less
Ask Your Own Mitsubishi Question
Answered in 1 hour by:
2/13/2016
Mitsubishi Mechanic: Doug, ASE Certified Technician replied 2 years ago
Doug
Doug, ASE Certified Technician
Category: Mitsubishi
Satisfied Customers: 8,659
Experience: Mitsubishi employed and Factory trained ASE certified technician
Verified

Hi,

25mA is an acceptable drain on this vehicle.... normal drain on this car is between 0.015 and 0.039mA, so you are right in the acceptable range.

If you are seeing the battery deplete after a few days you are going to expect that there is a defect in the battery (even if it is "new"), or that there is an intermittent drain that is occurring that you aren't seeing while monitoring it so far.

What I would do here is first try fully charging the battery (on a battery charger out of the vehicle, not just driving the car around) to get a good deep charge and then see if it is so quick to run down again; if it does not or lasts a day longer etc, then I would suspect the battery is questionable.

If it still goes totally flat over the same time period, then I would start disabling circuits one at a time to see if the problem goes away; starting with unplugging (both the connector and the cable lug) the alternator as they are common phantom drains like this, followed by pulling the IOD fuses (the ones with the little handle/box you can pull up out of the fuse box) to disable the ETACS (The second most common random drain).

Moving forward from there there are not a lot of common issues regarding drain, at least not ones that don't either have pretty obvious indicators (buzzing from the throttle body with key off, for example) or are constant drains and you would see a more substantial drain (for example the rear courtesy lights and the trunk lights both are common to stick on, but would show around a 0.100-0.300,A draw when they are the case).

Given that you have had this occur over two batteries it puts a bit of a twist on the situation. If the problem was 100% evident even with the new batteries (within a week or less), then we would suspect a problem on the vehicle (draining alternator, ETACS waking up randomly, etc); if the problem was temporarily resolved (more than a week) when the battery was replaced each time, it iquite likely you just have been running into low quality batteries.

Ask Your Own Mitsubishi Question
Customer reply replied 2 years ago
Doug,It's basically three batteries. The first was replaced because "it wouldn't hold a charge" and two new ones; two gold at Advance Auto. The mid battery has been charged overnight and over the weekend at Advance. They performed checks and said it holds a charge.Not a lot of common issues. Shoot, I was hoping there were.I assume you meant the normal range is 15 to 39 mA not 0.015 to 0.039 mA. Big difference there :)I'm seeing about a 100 to 200 mA draw when I open and close the door and it drops back to ~25mA when the rear light goes off. Not the lightsI will try the alternator and then the ETACS.
Mitsubishi Mechanic: Doug, ASE Certified Technician replied 2 years ago

Right, when I say "0.015" (note no mA afterward) that is the same as 15mA. You are seeing a 25mA draw, which would be 0.025, which is normal range.

The 100-200mA draw when you open the door is from the dome lights primarily, but also the ETACS waking up plays a smaller role too. The bulbs are the big draw.

Again with the measured draw at rest being so low and normal range, it is only going to be something intermittent or the battery; if you have lots of time on your hands I suppose you could hook up your ammeter in line and just watch it over long periods to see if you see the draw increase out of normal range. At least that way if you see it go over 40mA or so you would know for certain something is coming alive and pulling the battery down. If it does not though and you never exceed 25mA, then that really only leaves the battery if it is going flat in a few days time (not 2 weeks etc).

Ask Your Own Mitsubishi Question
Was this answer helpful?

How JustAnswer works

step-image
Describe your issueThe assistant will guide you
step-image
Chat 1:1 with a mitsubishi mechanicLicensed Experts are available 24/7
step-image
100% satisfaction guaranteeGet all the answers you need
Ask Doug Your Own Question
Doug
Doug
Doug, ASE Certified Technician
Category: Mitsubishi
Satisfied Customers: 8,659
8,659 Satisfied Customers
Experience: Mitsubishi employed and Factory trained ASE certified technician

Doug is online now

A new question is answered every 9 seconds

How JustAnswer works:

  • Ask an ExpertExperts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional AnswerVia email, text message, or notification as you wait on our site. Ask follow up questions if you need to.
  • 100% Satisfaction GuaranteeRate the answer you receive.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry.

Stephanie PElm City, NC

used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future.

David L.Richmond, TX

9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much.

PhilMarysville, CA

Lurch. Thank you very much. I had real doubts about this website but your promptness of response, quick followup and to the point answer with picture was incredible.

CharlesWalnut Creek, CA

As a single woman, I really appreciate an excellent and affordable opinion.
Thank you Geordie, I will not hesitate to contact justanswer in the future!

SueCharleston, WV

Another great insight to what may be the problem. I will have my mechanic take a look at it tomorrow. Thanks again, Frank...you do indeed know your stuff.

JimCastleberry, FL

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

< Previous | Next >

Meet the Experts:

Doug

Doug

ASE Certified Technician

8,659 satisfied customers

Mitsubishi employed and Factory trained ASE certified technician

George H.

George H.

ASE Certified Technician

317 satisfied customers

ASE Master tech 15+ years

Jake

Jake

Automotive Technician

213 satisfied customers

Experienced collision repair technician, Pulaski Tech graduate and DSM hobbyist.

Tim Mohr

Tim Mohr

ase master

209 satisfied customers

30 yrs foriegn and domestic, gas and diesel

Chris (aka- Moose)

Chris (aka- Moose)

Technician

206 satisfied customers

16 years of experience

Mike Kelly

Mike Kelly

Mitsubishi Mechanic

104 satisfied customers

17 years experience as an auto mechanic, foreign and domestic. 5 years running my own repair business.

AMD

AMD

Master Technician

48 satisfied customers

L1 Advanced Level Diagnostics Specialist

< Previous | Next >

Related Mitsubishi Questions
Installing an after market radio. No sound,, Now I have
installing an after market radio. No sound,, Now I have already found out that I need to connect the amp. Just not sure if I'm going about it right. I have the after market harness, I connected all th… read more
Dan
Dan
Automotive Technician
Vocational, Technical or Trade Scho
25 satisfied customers
Intermittant parasitic drain, I believe. 2003 Diamante,
Fixing myself. I've tried: Recharging battery, checking draw (.003 to .02) and waiting to see what happens (car killed battery overnight). Removed all fuses except battery fusible links. Ripple test on alternator. Left meter on car overnight set to min/max, but came back to find battery fine and no recorded high draw. The only thing I know right now is that the car has been through four batteries, and nobody has detected a notable drain yet. When it drained here, it was unobserved, but overnight it went from 13 volts to 2.5 volts. The only odd thing I've found at all is power going to the rear door closure switches is somewhat intermittant, and fluctuates on and off (on the meter, anyway) at 11.4 volts, rather than the constant 13.4 volts at the front door switches. I'm thinking a computer is acting up somewhere. … read more
Matt
Matt
Engineer
Bachelor\u0027s Degree
5 satisfied customers
I am trying to see what would cause my battery to drain out
Hello, I am trying to see what would cause my battery to drain out of no where outside of the alternator... … read more
supermechanic
supermechanic
Service consultant
Vocational, Technical or Trade Scho
10 satisfied customers
Mitsubishi diamante ecu was replaced with same part no.
mitsubishi diamante ecu was replaced with same part no. after water is go inside the car … read more
Technicaldan
Technicaldan
Technician
Accredited
115 satisfied customers
2004 Mitsubishi Diamante that won't start. Wont crank,
Hello. 2004 Mitsubishi Diamante that won't start. Wont crank, appears to be a short in the electrical system, cause it acts like a dead battery, but its brand new, and it sometimes will crank for one … read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
Hey! JA: . What is your issue regarding? Customer:
I have an 01 Mitsubishi Montero Sport LS that is showing me a battery/brake light at the same time. The battery is good, but is not getting any charge from the alternator. I just replaced the alternator 8 months ago. Is it possible that I need to replace it again? … read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
My wife has a 2005 Mitsubishi eclipse. it seems 2 drain the
my wife has a 2005 Mitsubishi eclipse. it seems 2 drain the battery every 1 to 2 hrs. I ve changed the alternator and it didn t help it , the tadio light don t work, and electrical plugs on the consol… read more
supermechanic
supermechanic
Service consultant
Vocational, Technical or Trade Scho
10 satisfied customers
I have a 2002 mitsubishi diamante. Yesterday my car died.
Hi. I have a 2002 mitsubishi diamante. Yesterday my car died. There was corrosion on the battery and it was three years old so I had it taken to autozone where I got the battery and a terminal replace… read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
Mitsubishi 2001: i have a 2001 mitsubishi diamante replaced
i have a 2001 mitsubishi diamante replaced alternator battery and drive belts while driving battery light will flash on and off intermittedly… read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
Mitsubishi Diamante: 2002 Mitsubishi Diamante electrical system
2002 Mitsubishi Diamante electrical system failure. Good battery - one year old - left overnight the car battery is dead by morning. Diagnosis indicates no problem with any item, alternator, etc. is i… read more
supermechanic
supermechanic
Service consultant
Vocational, Technical or Trade Scho
10 satisfied customers
Mitsubishi Diamante LS: 2002 Mitsubishi Diamante LS Sedan with
2002 Mitsubishi Diamante LS Sedan with a 3.5 Liter V-6. Does anyone have a step by step process or an illustrated exploded parts break down of the removal and replacement of the radiator assembly for … read more
George H.
George H.
ASE Certified Technician
Associate Degree
317 satisfied customers
Mitsubishi Mirage S: Doug, I have a 93 mitsubishi mirage
Doug, I have a 93 mitsubishi mirage that will not start unless I attach jumper wires to my battery. In the last 4 months I have gone through 3 brand new batteries fram NAPA auto parts. Each time they … read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
Mitsubishi Eclipse RS: our 2000 Eclipse has intermittent starting
our 2000 Eclipse has intermittent starting problems, battery is new, alternator checked out ok. All possible drains are disconnected (cell phone chargers etc etc). Sometimes it will hold a charge some… read more
AMD
AMD
Master Technician
Vocational, Technical or Trade Scho
48 satisfied customers
Mitsubishi Endeavor: I have a 2004 Mitsubishi Endeavor, and
I have a 2004 Mitsubishi Endeavor, and I am having a problem with it draining batteries. I bought it new and noticed I was having to replace a 3 yr battery every 2 years. I brushed it off as southeast… read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
2001 mitsubishi diamante: volt..15amp fuse under the hood..fuse box
I have a 2001 Mitsubishi Datmante I had a 2.8 volt drain on the battery until pulled a 15amp fuse under the hood it has a yellow box around it and a 10 amp fuse. After I pulled the fuse the draw was g… read more
Doug
Doug
ASE Certified Technician
Vocational, Technical or Trade Scho
8,659 satisfied customers
2002 Mitsubishi Eclipse GS: completely dead..Jump started..I drove
I have a 2002 Mitsubishi Eclipse GS, went to start and wouldn't turn over, battery completely dead. Jump started it and it started easily and I drove off within seconds. Ran over and bought a brand ne… read more
AMEDEE
AMEDEE
AUTOMOTIVE TECHNICIAN
Vocational, Technical or Trade Scho
9,105 satisfied customers
2002MITSUBISHIdiamante: A PROBLEM,ANELECTRICALPROBLEM...THEPROBLEMIS
DEAR SIRS: I BOUGHT MY 2002 MITSUBISHI DIAMONTE NEW, IN THE LAST YEAR OR SO IT DEVELOPED A PROBLEM, AN ELECTRICAL PROBLEM ...THE PROBLEM IS AS FOLLOWS... ...."WHEN THE CAR IS NOT STARTED FOR A DAY OR … read more
indy-tech
indy-tech
Shop owner, technician
Vocational, Technical or Trade Scho
11 satisfied customers
1995 mitsubishi diamante es: brand new..solenoid good voltage reg.good
1995 mitsubishi diamante es station wagon........something keeps draining brand new Sept 10) battery....altinator tests good, solenoid good voltage reg.good; turn on lights & battery light comes on...… read more
indy-tech
indy-tech
Shop owner, technician
Vocational, Technical or Trade Scho
11 satisfied customers
Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

Show MoreShow Less

Ask Your Question

x