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Battery discharges when idle

Our 2014 Honda Accord's battery failed to start the car following 2 weeks without use. the service manager said he has heard complaints from owners that were unable to start their Honda in an airport parking garage when they returned from a 2 week trip. He said car continues to use power while it's off. This doesn't make sense to me. The car has a keyless entry and keyless ignition. Does that system drain the battery to the extent that there's not enough juice to start the car?

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Posted on Jan 02, 2017

SOURCE: battery discharge and radio inscribe error-code

to get your code you gotta go to the honda dealer ship with you car to prove its yours and they can give you a code

Posted on Jun 26, 2008

SOURCE: 1999 Honda Civic Remote Keyless Entry System

Hey .. i have a 99 civic also and i found my door doesnt lock unless u open the handel and then lock it and was talking to the shop and they told me things get gumed up inside and take it apart and clean it up with lub .. try that see if it works sounds like same problem

Posted on Oct 08, 2008

  • 1 Answer

SOURCE: remote keyless entry not working

How can I re-syncronize the remote keyless entry system on my year 2000 Honda Accord

Posted on Dec 13, 2008

SOURCE: Charging problem.. Wont charge battery

The instructions for installing a new alternator usually read to fully charge the battery (12.3 - 12.8 volt range). Otherwise, the alternator will be damaged when it initializes. I have seen some extreme damage result from installing a new alternator with a low-charge battery. The torque required to turn an alternator when damaged in this scenario is unbelieveable!

Posted on May 02, 2009

  • 139 Answers

SOURCE: 2003 honda accord starter may be going out at

Hi
Replace the copper contacts inside the starter motor, it connects the current to the rotor once the bendix drive gear is engaged with the ring gear.

Regards
Phillip

Posted on Oct 16, 2009

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My 2014 Honda accord has been running great... I had my oil changed about 3 days ago, today 2/26/15 no problems all day until I got home turned off car and probably 2 hrs later tried to restart and it will...


It could be your battery. It could also be your alternator, or just corrosion on the battery terminals. I would remove the battery and clean the terminals. Take your battery to a auto parts store. Most will check your battery for free. If your battery is not charged fully ( which is likely) they will have to charge it before testing. This could take a while. If the battery checks out get some battery terminal grease before you leave the store. Reinstall the battery using the grease. Drive the car up to the store and ask to have the charging system checked.
If you can get the car started. This entire procedure can be done at the store. But you would be running the risk of the car quitting on you somewhere on the way to the store.

Feb 27, 2015 | 2014 Honda Accord

1 Answer

Ac/heater fan slows and headlights dim intermittently on our 2003accord ex 6 cylinder


engine running or not,,??????
bad battery
or dead charging system.
rusty battery terminals.
check battery voltage parked key in pocket, see 12.65vdc.
if lower , on a warm day the battery is discharged
or at 30F it must be.12.58vdc, rested, if not the battery is discharged
or battery is bad.
if discharged , then charge it.
and fix the bad charging system.
ok you jump start car.
and the battery voltage is 13.3 to 15vdc, if not the charge system is failing, or engine RPM below 800.
if running voltage is below 13.3v the charge system is failing running.

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1 Answer

2001 Cadillac DeVille RPMs revving dying


battery not charging , means the charging system is not working , Doesn't mean the battery is bad . The charging system on your vehicle is computer controlled , If the BCM doesn't see the correct voltage , it will raise the idle RPM to over come any load on the system . Probably has DTC'S - diagnostic trouble codes stored in the BCM or PCM , These codes do not always turn on the money light ( check engine ) . Your best bet , take it to the Cadillac dealer , auto zone or any of those has no clue about this . Oh also it will shut down systems . http://www.esghotwire.com/0213_Pit.pdf
Battery symbo - Charging System Indicators

BATTERY NOT CHARGING - 7Charging System Indicators

BATTERY NOT CHARGING - 7
The IPC illuminates the BATTERY NOT CHARGING - 7 indicator in the DIC when the PCM detects a malfunction with the generator output. The IPC receives a class 2 message from the PCM requesting illumination.

I work for Cadillac , have for over thirty year's . Have seen people mess this stuff up big time . So do yourself an take to one of my fellow tech's.

Electrical Load Management
The power management function is designed to monitor the vehicle electrical load and determine when the battery is potentially in a high discharge condition. This is accomplished by using a high accuracy battery voltage reading as an indicator of battery discharge rate. The following six levels of load management will execute in the load management control algorithm when there is a high discharge condition:
The first action requests a vehicle idle speed increase to the powertrain control module (PCM) in order to raise alternator output.
The second action requests a greater vehicle idle speed increase to the PCM in order to raise alternator output.
The third action begins to shed vehicle loads in an attempt to remedy the heavy discharge condition.
The fourth action requests another vehicle idle speed increase to the PCM in order to raise further the alternator output.
The fifth action begins to shed further vehicle loads in an attempt to remedy the heavy discharge condition.
If the above five corrective actions fail, the sixth action of power management further sheds loads in a final attempt to remedy the high discharge condition.
Loads subject to reduction include the following:
• The A/C clutch
• The heated mirrors
• The heated seats
• The rear defog
• The HVAC blowers
The power mode master (PMM) calculates the battery temperature, voltage and charging rate at all times while the engine is running. The PMM calculates the battery temperature by factoring in:

Mar 18, 2017 | Cadillac Cars & Trucks

1 Answer

1 week after routine service, 2007 4 cyl Honda Accord has since needed oxygen sensor and 2 days later engine would crank for 2 seconds and then just tick. Thought it was a weak battery so had it jumped...


I am thinking that a battery terminal was loose and the mechanic just tightened it up with out bothering to mention it. Ask as to what was actually done to put your mind at ease.

Aug 25, 2013 | 2007 Honda Accord Sedan

1 Answer

91 Accord LX 2 dr 4 cyl just put new battery with 5oo cold cranking amps-NO Start! Owner said car has had perpetual problems holding a charge and starting! About 3mo ago Owner charged the old Die hard...


If you manage to get it started, check the alternator output...I'm betting it is bad. Should be making no less than 12.5 with accessories all on, 13.5 to 14 with just engine running. Bad alt can drain battery even when off depending what failed inside it. Towing with a chain is not really a good idea. the cross pin in those differentials are not very good and can fail.

Jul 12, 2009 | 1991 Honda Accord

1 Answer

Have trouble starting 1994 honda accord in the mourning. after starting no more problems until next mournung.


your not telling me a lot ?so im going to give you four points in order to check.1 battery discharge;ie battery needs {replacing}2 battery termanal conections loose or corroded.3 other ignation system fault.4 low cyclinder compressions.other than these there are no other faults that would cause,this problem, its known as morning {sickness} hope this helps.adrian[fixya].

Feb 18, 2009 | 2000 Honda Accord

1 Answer

HONDA Accord 1981 model


the fuel is bad, check your fuel lines and put new fuel in. fuel does go bad if you leave it sitting too long, next time run your car for 15-30 min once a week to prevent this

Nov 22, 2008 | 1992 Honda Accord

1 Answer

2002 Honda Accord - slow engine start and jerking


Most likely a dirty idle speed control system follow the guidelines below to clean it.

Throttle Body Cleaning on vehicles without electronic throttle control (most 2003 and down)

You can in most cases repair this slow speed stall or unstable idle by cleaning the engine throttle valve and the idle speed control valve using a product called CRC Spray Throttle valve cleaner. Spray the cleaner into the air intake of the engine with the hose removed from the throttle body, the engine will try to stall so hold up the idle speed manually. Once you have used up about 1/2 can of the cleaner stall the engine out while spraying and turn the key off, disconnect the negative battery cable for 5 minutes and then reconnect and drive the car for a about 25 miles of varied driving modes. If this doesn't cure the problem you may need the fuel injectors professionally cleaned by the dealer service dept.

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2 Answers

Car won't start. Makes a sizziling or "zzzz" noise when key is turned on.


Had car checked again at dealership. They stated they checked the charging system and battery would not hold a charge. Found a bad cell in the battery. The alternator was working fine. Battery replaced. Car has been starting fine since battery replaced.

Oct 07, 2008 | 2006 Honda Accord

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