Question about 2002 Hyundai Accent

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Electrical system I tryng to put a new battery. I need to know how much current should it drain when no accessories are running, the ignition key is off. It is possible that I should see certain quantities of amps and after somes minutes it get lower. I so, please tel me how many amps on each steps. Thank you very much

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  • normandlozea Jan 01, 2009

    I got a current of around half of an amps. seem to be OK.

    But now the car do not start with a brand new battery. The exterior temperature is about -1 F or -20 C The starter turn at a good speed. No explosions seen to occur. No gas odor neer the motor. The gas tank is at the half.

    Could it be a common problem on that model ?



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Less than 1 volt with door closed and key off,nothing on.

Posted on Jan 01, 2009


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Light problems

This means there is a drain on your circuit as soon as the battery is connected. For this problem to be sorted out you need to check the drain current with a series ammeter/multimeter to the battery on the positive terminal. Disconnection of the fuse one by one will confirm the drain circuit when the meter comes to zero value which is no drain current.A trace on the removed circuit will confirm if the radio or any accessories electronic component unit including any remote unit is faulty.

Mar 13, 2012 | 1995 Ford F250

1 Answer

Runs fine for a wile then dies battery drained

A car battery can run down for any of several reasons:
  • You accidentally left the lights on or some other accessory that pulls power from the battery even when the ignition key is off.
  • The battery is not being recharged while the vehicle is being driven (you have a charging problem)
  • There is a key off parasitic electrical drain on the battery because a relay is sticking, a module is not shutting down, or there is a shorted diode in the alternator.
  • Your battery is old and will not hold a charge anymore. The battery needs to be replaced.
Most of the time if the battery is fairly new and keeps getting drained have the mechanic check the alternator if its charing the battery.
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Battery is dead everyday

You either have a bad battery or a bad alternator. Most alternator shops and Advance auto parts store will check both for free. It is possible for an alternator to charge the battery while the car is running but kill it when it is switched off because of a bad diode in the alternator.

Nov 04, 2010 | 1996 Dodge Neon

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My 2006 Volkswagen Toureg keeps running down batteries. Even after you've replaced with a brand new battery, it runs down after a few days. Have done a full system scan, and nothing was found

this is where an electrical tester is needed,to check the fusebox etc for any current drain when ignition is off.
good hunting,last time i did one of these it took two whole days...

Aug 19, 2010 | 2006 Volkswagen Touareg

2 Answers

I just put in a new battery and withina month it drained

something is draining the battery while the ignition switch is off. there are some things which remain on, but their drain is supposed to be very low. get an ammeter, which measures current, and remove the positive battery cable and place the ammeter between the battery post and the battery cable. there should be some very small amount of flow. now pull the fuses one by one while someone is watching the ammeter for you. eventually you will pull a fuse and the current drain will go down to almost nothing. that will be the fuse on which the offending circuit or doodad resides. now put the fuse back in and begin disabling each doodad until you hit the one which is causing the high current drain. typical things are autolocking mechanisms, lights which do not go off in trunks, under hoods, glove boxes.

Apr 09, 2010 | 1995 Mazda 929

1 Answer

Have tried 2 new batteries. car starts at once. runs smoothly. but when ignition is switched off for about 30 minutes, the battery goes dead! The alt. has been checked OK. The problem started when we...

The cause is most probably a current drain on the battery when the vehicle is switched off.

Check for a drain current from the battery while the vehicle is standing with engine and all electrical system turned OFF -
[ while in this condition, if you don't have a current meter, temporarily connect a small bulb (6-12W) in series with the main battery ground cable - lamp glow indicates current drain - remove fuses, disconnect items to identify cause of current drain],

Also check alterator output voltage (measured across the battery terminals) is approx 14.5V when engine is running and electric system is loaded with headlights or blower fan on.

Oct 28, 2009 | 1994 Toyota Camry

2 Answers

Why does my new battery go dead after 5 days

I know nothing about jaguars, but I had a similar problem on an older Chrysler. You have some features of the car which put a drain on the battery, even when the car is not running, but these should not kill the battery that fast unless it is a Lucas electrical system... ha ha! Not having special equipment or knowledge I removed the positive battery cable and put an ammeter between battery and the cable. With the ignition switch in the OFF position I began pulling out fuses, one by one, until I identified which circuit was causing the large current drain. No doubt there will be more than one gadget on any given fuse. So once you know which gadgets are on the offending circuit you reinstall the fuse and disconnect those items one by one until you identify which one is causing the big drain. Then you either replace that gadget or live without it.

Oct 14, 2009 | 2003 Jaguar S-Type

1 Answer

My 2001 jaquar s-type every two weeks car won,t start new batt,nothing draining elect sys,alt ok,car will not start if you jump battery,car will start if you put jumping cables on alt and ground other to...

The S Type is similar to the Lincoln LS.
These are TSBs that address battery drain on the LS.

Partial TSB
Article No.
Publication Date: APRIL 30, 2002
ISSUE: Some vehicles may exhibit excessive electrical system current draw which could result in a discharged battery and a no crank condition.
ACTION: Use the following Service Tips to monitor the vehicle electrical system for excessive battery current drain and repair as needed. Refer to the following Service Information Tips for details.
SERVICE INFORMATION Having a firm grasp on the design and normal operation of the electrical system will aid in properly diagnosing and repairing any faults with electrical components and/or circuitry. When the vehicle is at rest (ignition key turned off and removed), some amounts of battery current drain will be present since many of the modules and electronic components in the vehicle require this to sustain memory and system monitoring. The Powertrain Control Module, Antilock Brake Module, Electronic Automatic Temperature Control Module, Front Electronics Module, Rear Electronics Module, Driver Door Module, Instrument Cluster Module, Roof Opening Panel Module, Heated Seat Module, Driver Seat Module, Cell Phone Module and Vehicle Emergency Message System Module all have power supplied at all times for this purpose. Many of these modules monitor activity and communicate with each other through the Standard Corporate Protocol (SCP) Link. When the ignition key is first shut off and removed, the vehicle is exited and the doors are closed, the electrical system goes into "stand-by" mode, where the Rear Electronics Module (REM) and the Front Electronics Module (FEM) keep the System Switched Power (SSP) relays activated. After a minimum of 45 minutes, the REM and FEM will power down to prevent battery discharge. Power down mode occurs when the REM and FEM "time out" and release the ground on all 4 (four) of the SSP relays. The SSP relays are wired in a fashion in which they are either all on or all off. In other words, the SSP relays cannot be operated independent of each other. If power down does not occur, because of a system fault or errant SCP Link activity, the REM and FEM will remain energized along with the SSP relays and the other electrical devices that they provide power. The REM and FEM provide power and ground to devices such as exterior/interior lighting and many of the body modules in the vehicle. The Wiring Diagrams Manual may be referenced for additional information on the SSP relays, the REM and FEM, in Sections 13 & 59. Once the REM and FEM enter power down mode they will not energize the SSP relays until they are commanded to "wake up" by one or more of the following commands:
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  • Door Ajar (Any Door)
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  • Drivers Power Seat Switch
  • Power Tilt/Telescopic Steering Column
  • Headlamps/Park Lamps On
  • Key In Ignition
  • Key On Ignition
  • Anti-Theft Hood Switch
  • Brake Pedal Position Switch
  • Memory Seat Switch
BATTERY DRAIN DIAGNOSIS -------------------------------------------

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1 Answer

Car battery problem

The alternator test will likely indicate a charging problem from the alternator that is not keeping the battery charged up.
Regardless of the alternator test, it would be best to do an electrical draw test to determine whether there is an excess drain on the battery. This can be done with an ammeter between the positive terminal and the positive battery post. This test is done with key off, all accessories off, no lights on, etc. There will be a small draw on the battery in all newer vehicles, but it should be in the order of up to 50 milliamps. If you are getting more than 200 milliamps of current draw then there is a problem with an electrical system that will drain the battery over a period of days or weeks. Once you know this is true, the electrical systems can be methodically tested.

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3 Answers

98 jeep grand cherokee dead

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