Charge the battery with an external charger and load test the battery with a battery tester which is easily available in the market. Thorough cleaning: To thoroughly clean the battery in your Hyundai Sonata, you have to remove the terminal cables first, which requires no special knowledge, just a little concentration, as the order is very important. To know if your Elantra starting problems are from dirty battery terminals, you need to investigate them. You may also hear rapid clicking noise when you try to start the engine. Once the battery has been removed from the circuit, you can start cleaning the corroded battery with sandpaper or wire brush. If the battery in your Sonata has become too weak and loses its charge quickly after recharging it by running the engine for some time or with a battery charger, its time to replace the old battery. If i knew how to do that, i probably would not be asking this question. . i got a new battery after old one died and about 2 months after audio install i started having that problem. Push the TPMS reset button until you see a flashing tire pressure light, which usually appears after approximately three seconds. Above, we discussed that a bad ground connection at the battery could cause the lights to flicker and a no-start condition. But before replacing the battery, you should rule out any other problems that may cause the dead battery symptoms, e.g. The problem may be related to the multi-function switch. The most common symptoms of dead battery in Hyundai Sonata are slow engine crank, no start, dim lights, flickering dashboard lights and clicking noises when trying to start the engine. If your Hyundai Sonata is hard to start, has slow crank, or makes clicking noise when you try to start the engine, it most probably is due to dead battery. After cleaning, reconnect the cables in reverse order, positive first, then negative. If the problem is a bad alternator, your car will slowly lose power. Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? The Fora platform includes forum software by XenForo. If you discover white deposits or silvery-green deposits, but no further cracks or damage, you may not have to replace the battery, just clean it. 1. I could not see when my lights turned off. I am not the only one with thos issue. The problem only happened about 3 times but it is unpreditcable when the problem occurs but when it does happen and it's dark, it's not safe so we took it in right away on the third time because this was the longest period of time that the problem lasted. Do the same between the negative terminal of the battery and any exposed metal part of the engine. Next you can unplug the red positive terminal cable. But you cant rule out the starter in that scenario. The contact owns a 2011 Hyundai Sonata. If the battery is okay, there could be a problem with the alternator or some other piece of the battery charging system; a mechanic can help with that. a system can drain your battery and the cap will help prevent that. First remove the black cable from the negative terminal using a wrench or a plier. Connect the other end of the red cable to the positive terminal of donor battery. Suspicious referee report, are "suggested citations" from a paper mill? What could this be. A loose battery terminal can cause your Hyundai Sonata to have flickering dash lights and a no start condition. The inside of the connector may start to melt, causing a poor connection to the bulb. Extremely low tire pressure can cause your Sonata's ABS light to come on. The lights are flickering when the car is on and running. 479 satisfied customers This will keep you from getting zapped by the positive terminal when loosening it. Once again I am told they cannot replicate the headlight issue and diagnostic shows no issues but it could be the turn signal switch. Finally the passenger side tail light failed completely. (I usually find that 30 minutes or so of driving is sufficient; make sure not to switch off or stall the car during this time.). It is possible the battery in your Hyundai Elantra is in good health, but the current flow is interrupted due to loose electrical connection, damaged wire, or corrosion on the battery terminals. Lift the plastic covers over the terminals and check for any signs of corrosion. When looking for the reason, you should start with the most obvious causes that are easy to diagnose: weak battery, and poor electrical connection. If a girl tells you to wear a condom, chances are you didn't need one. Headlights, radio, pwr windows, seats, etc, all work fine. You can check the quality of the ground connection in Sonata by doing a conductivity test between the negative terminal of the battery and the chassis/body of the vehicle and the engine. indicater. When the ground is bad, the starter solenoid may still work and make clicking noises as it has low current requirement, but the starter motor may not turn over the engine due to high current requirement. When the key is turned, and the starter is engaged, the vehicle will shut down power to any system that can go without power for a few seconds, which helps funnel all available electricity to the starter motor. 17 Headlight Switch problem of the 2006 Hyundai Sonata Failure Date: 10/01/2014 when I turn high beam on flickering stops Here's what you can do hook up the jumper cables. When this happens, inside dash lights will usually be brighter - the same as when the headlight switch is in the off position. 2003 Mercury Marauder 300A: FRPP 4:10's, Lidio tune, magnaflows, where exactly is that dimmer wiring at? Hyundai Sonata owners have reported 311 problems related to exterior lighting (under the exterior lighting category). The starter motor requires high electric current to turn over the engine, whereas lights and wipers take very little current to operate so dont rule out weak battery even if electrical accessories work normally in your Sonata. 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If there isnt enough current flow to crank the engine, the dashboard lights may flicker and you may also hear clicking noise from the starter solenoid when you try to start the engine. It might be caused by electricity drainage on the radio part. And reproducible; I lost all seeing capability for a moment . A healthy battery should have 12.6 volts or more when fully charged. Do the same between the negative terminal of the battery and any exposed metal part of the engine. After the 4th time for the battery to go dead, noticed the sided beams were on. Therefore it is recommended to keep the engine of the donor vehicle off when jump starting your Sonata. It's obviously a bad connection within the blinker stalk, causing the light mode to change on its own when turning. Open the hood. I drive to the dealer to speak to someone. had the car for 3+ years and I maintain it like my The negative terminal of the battery is connected to the body/chassis of Sonata, called a ground connection. Do one terminal at a time and dont let water puddle on the top of the battery touch both terminals at the same time, this can short the battery. Slow crank is usually the first symptom of a dying battery. Disconnect the positive battery terminal from the post. You are looking for something about 12.5vdc. PTIJ Should we be afraid of Artificial Intelligence? It helps to keep the channel going as making videos takes a lot of time, effort and money.https://paypal.me/SAautodiagPlease consider my Amazon store for any of your Amazon purchases.My Amazon Storehttps://www.amazon.com/shop/saautorepairI try to recommend tools and accessories that I use and/or am familiar with. problems related to headlight switch (under the exterior lighting category). Checked wiring connections, replaced turn signal bulbs, nothing would stop the flickering. The checked out the lights. . Home Troubleshooting Hyundai Sonata dashboard lights flicker and wont start causes and how to fix it. Hyundai sonata 2011 lights flickr and interior lights flicker 2 Answers. Warning: There is always a risk of burning up the alternator or other electrical components if the engine of the donor battery vehicle is running during jump start. Apply some silicone grease on the terminals to prevent corrosion. One of the first symptoms of a problem with the ECM power relay is no power when the key is inserted. Start your Hyundai car and let the engine run for about 7 minutes. Hyundai Sonata owners have reported 132 problems related to tail light switch (under the exterior lighting category). Normally, when you start the car, all dash lights illuminate and go out. I've . Sometimes a battery showing over 12.4 volts may not be able to supply enough current to crank the engine. Headlights go off when using turn signal. Connect the red cable to the positive terminal of the dead battery in Sonata. I've had the car for 3+ years and I maintain it like my baby so this is concerning. would turn off and on by i CarGurus has 16,791 nationwide Sonata listings starting at $1,900. That is RIDICULOUS, Cheryl. . Took to dealership and had it diagnosed and they found that the there was an intermittent internal fault with the multi-functional switch. If a terminal is loose, the electrical connection to the car is bad, and the dash lights can flicker without it starting. Auto Repairs Are EXPENSIVE Hyundai Sonata is one of the top-ranked midsize vehicles that attract tons of customers every year. Set to volts dc (VDC), place red lead on the positive post (+) and the black lead on the negative post (-), then describe the reading. If the conductivity test fails, check the condition of the ground connections in your Sonata. I believe the faulty part is the multifunction switch because it can be tapped or quickly turned off and back on to get the headlights to come back on. You'll be driving down the road, your lights will dim, and you'll lose power and die. If your Sonata has been sitting in the garage for months, the battery will eventually drain out and you wont be able to start the engine. Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. For this purpose, a ground strap/wire is used to connect the engine and the chassis. The engine also requires a ground connection to function, but the way the engine is mounted, it does not allow the electric current to flow between the engine and the body (due to non-conductive rubber insulated engine mounts). Date was 10-17-2019. Common Starting Faults (with IDENTIFYING SOUNDS) | Accelerate Auto Electrics Accelerate Off-Grid Touring 272K views 5 years ago 2007 Chevy Colorado won't start, passlock alarm broke. Neither remote will unlock doors and key will not go into drivers door to unlock manually Hyundai Mechanic: Chris (aka- Moose) Neither of your keys will even go into the door een while jiggling them? Pohanka Honda, Capitol Heights - Sales: 240-392-3660 Pohanka VW of Capitol Heights - Sales: 240-788-4557 Close Then about 2 weeks later the driver side tail light failed. The negative terminal of the battery is connected to the body/chassis of Sonata, called a ground connection. 1. Ask Your Own Hyundai Question No. Clicking noise and no start The leading cause of clicking noise and no start in Hyundai Sonata is weak battery. The light emitted by the low beam headlights is so focused as to create a tunnel effect. If there isnt enough charge in the battery to power the starter motor, and you try to crank the engine, the battery voltage will get so low that it cant properly power the lights, accessories and of-course the starter. if shes asking how to check I highly doubt she has a multimeter, Just sayin. Seems like a standard automotive relay, turned on by the accessory power, could be inserted in the parking light wire. 2013 Hyundai accent, randomly won't start, . You might also see what the reading is with it running (after jump start). Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. Do one terminal at a time and dont let water puddle on the top of the battery touch both terminals at the same time, this can short the battery. Nothing will happen until the vehicle is moved a few feet. See When going around a corner, the light does not "lead" the vehicle around the bend, it "lags" behind creating a dark zone as the car goes around the bend. The other thing you can check is your cluster dimmer switch. Pour hot boiling water over the corroded terminals and the corrosion will just melt away. Connect the black cable to the negative terminal of donor battery. I know it's the holiday season, but he's not that festive. The manufacturer was notified of the failure. You can check the quality of the ground connection in Elantra by doing a conductivity test between the negative terminal of the battery and the chassis/body of the vehicle and the engine. I took by car to the dealer to have the headlight issue and check engine light issue fixed. The vehicle was taken to the dealer and the starter motor was replaced, but the failure continued. if no change batteries and if yes check alternator . Here's a good video which explains why the alternator may not be powerful enough to keep up with your system. Has the car been sitting for a long time without being driven? No lights were left on in the car. If the trouble returns use your meter to check for voltage drops beyond the battery connections while there is a good load on the battery. There are many reasons why your Hyundai Sonata dashboard lights flicker and wont start. Drive for about 20 to 25 minutes. The problem is related to parasitic electricity in this model as the dealership told me. If your Hyundai Sonata won't start, the problem is related to the battery, the battery terminals, the key fob battery, the starter, the alternator, the fuel filter, the fuse, the spark plug, or the engine. I'm going to guess it's a loose ground somewhere. I have noticed this issue twice so far. Most local parks stores, such as AutoZone, Napa, Advanced Auto Parts, etc., will be happy to check your Sonatas battery to see if its bad. The 12 volt battery is a vital component of the starting system in Hyundai Sonata. You can use a dedicated battery terminal cleaner. For the rest of the 25 miles to get to work on a busy highway I stopped using my turn signal for fear that my headlights would not come back on. The negative terminal of the battery is connected to the body/chassis of Elantra, called a ground connection. Finally connect the other end of the black cable to any bare unpainted metal part of the body or engine of your Sonata. statistics and reliability analysis of Hyundai Sonata. As you drive up or down a hill, the light shines "into" the rise or dip in the road. Got a jump start from Hyundai roadside assistance (good service) and drove the car for about 30 minutes to recharge the battery. This drains out the battery quickly as it is no longer getting charged by the alternator. Alternators can fail at any time, but generally they last over 100,000 miles. This should also be on recall. I do not hear the engine "turning over". 1. Alternator. Then, follow it to its mounting location on the engine block or chassis. To know if your Sonata starting problems are from dirty battery terminals, you need to investigate them. Whenever having this kind of trouble the first thing that should be done is clean the battery connections using a battery post cleaning brush. First remove the black cable from the negative terminal using a wrench or a plier. Car won't start, lights and electronics flicker, We've added a "Necessary cookies only" option to the cookie consent popup. Clean the contacts with a sandpaper. In any case, it is advisable for laypersons to visit a workshop. Then hold the temperature up button (red) and the temperature down button (blue) simultaneously for at least 8 seconds. Alldatadiy.com offers redrawn diagrams as well as factory diagrams. Welcome to mechanics.stackexchange.com! 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