just pull the positive battery cable while its running. get a capacator for sure. all problems of the 2009 Hyundai Sonata In most cases, their diagrams are right from the factory manuals. Please refer to CarGurus Terms of Use. Checked wiring connections, replaced turn signal bulbs, nothing would stop the flickering. When I use my right or left turn signal my headlights go out. Alternator. The Fora platform includes forum software by XenForo. Make sure that it is snugged tightly and theres no rust underneath it. All this happens while the car is in motion, lastly their have been three occasions where I have turned my car off completely and then came back hours later to find that the drl lights had turned on on their own, 1 out of the 3 times so far this issue has drained my battery. my car is 2007 i got it in 2008 .. i doubt my alternator is bad! Remove all the bolts from the tie-down and take out the battery. Pour hot boiling water over the corroded terminals and the corrosion will just melt away. 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. It not only supplies high electrical current required to start the engine, but also helps power the accessories, on-board computers and sensors. Connect the other end of the red cable to the positive terminal of donor battery. [deleted] 6 yr. ago. Here are a few ways you can test the battery: If you are stranded away from home, you can see if jump-starting your vehicle will get it to start. Hyundai Sonata has some unwanted flashing lights. The best answers are voted up and rise to the top, Not the answer you're looking for? For this purpose, a ground strap/wire is used to connect the engine and the chassis. See do they flicker when it is just "on" and not running? I'm going to guess it's a loose ground somewhere. Be careful not to touch both terminals with your metal tool, it will be one expensive mistake. Step 1 Turn off the engine. First remove the black cable from the negative terminal using a wrench or a plier. Clean the contacts with a sandpaper. Report. all problems of the 2014 Hyundai Sonata all problems of the 2011 Hyundai Sonata Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. Pour hot boiling water over the corroded terminals and the corrosion will just melt away. Inspect the connectors of the ground cables (battery to body, body to engine) for any signs of rust or corrosion. This presents a great risk for nighttime driving. Appears with the low tire pressure light. Sometimes a battery showing over 12.4 volts may not be able to supply enough current to crank the engine. If the voltage drops too much, below 10 volts, your battery doesnt have enough charge to start the engine. baby so this is concerning. turning . If an S \u0026 A Auto video has helped you, please consider helping us with a contribution. Mileage :28,561. . It might be caused by electricity drainage on the radio part. bulbs and none were bad/corroded or worn out. 1 Answer 20 If the voltage drops too much, below 10 volts, your battery doesnt have enough charge to start the engine. all problems of the 2006 Hyundai Sonata If the ground connection of the chassis or the engine goes bad in your Sonata due to rust or corrosion, you will face all sorts of electrical issues, including clicking noises and no start problem. 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Without a good connection, it can cause the flashing dash light symptom/no start that you are experiencing. a system can also cause major strain on your alt. Next you can unplug the red positive terminal cable. Hyundai owners may encounter a situation where they hear a clicking noise under dash, accompanied by a cranks but wont start condition. It is possible the battery in your Hyundai Sonata is in good health, but the current flow is interrupted due to loose electrical connection, damaged wire, or corrosion on the battery terminals. They contend that it is a design feature of the particular lamps and that they are effective. Usually a problem with the ECM power relay will produce a few symptoms that can alert the driver of a problem that should be serviced. Corrosion occurs when the battery acid reacts with the metal terminals which can lead to loss of contact and reduced current flow. (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.). This is absolutely terrifying when this happened Friday night. Thats just a very simple check to see if its totally fried. It will cut on and all the lights works but it won't start or turn over I checked battery starter alternator 204 Hyundai sonata . Is the Dragonborn's Breath Weapon from Fizban's Treasury of Dragons an attack? I have a couple of solutions for you. When will the moons and the planet all be on one straight line again? If i can resolve the issue myself with something simple, should i still take it to a mechanic? Arrived at home, turned off the ignition. Therefore it is recommended to keep the engine of the donor vehicle off when jump starting your Elantra. Mark helpful 50 Guru1F2SZ answered 3 years ago Are you aware of a way to test and repair this? First, check to see if you have loose ground wires. A few seconds later they came back on. Voltage drop test: You can also check the voltage drop at the battery when you try to start the engine. Took to dealership and had it diagnosed and they found that the there was an intermittent internal fault with the multi-functional switch. Touch the red prong to the positive battery post. In addition, the front driver side seat belt malfunctioned and would not remain locked, and the headlights and brake light would shut off while driving. This drains out the battery quickly as it is no longer getting charged by the alternator. 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. I believe my vehicle may have a faulty headlight/signaling switch. After cleaning, reconnect the cables in reverse order, positive first, then negative. I am not the only one with thos issue. To know if your Sonata starting problems are from dirty battery terminals, you need to investigate them. A good wire brush will get the job done. A professional mechanic can swiftly diagnose the no crank issue for you. as said before the battery might have gone bad ,else the alternator . Headlights go off when using turn signal. Start your vehicle. 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). If the alternator develops a fault and stops generating electricity, the entire electrical load of the vehicle will shift to the battery. Changed battery and it went dead also. Lift the plastic covers over the terminals and check for any signs of corrosion. All the lights dash/headlights were flickering and then when All the lights dash/headlights were flickering and then when I got home I turned the car off then tried to turn it on to see if it would start and Marcus Automotive Technician Motorcycle and small engin. all problems of the 2007 Hyundai Sonata when I turn high beam on flickering stops Originally it was my mother's car (she was the only owner) but I got it off of her back in April. Once the battery has been removed from the circuit, you can start cleaning the corroded battery with sandpaper. To rule out dead battery, your best course of action is to jump start your Elantra using jumper cables and a healthy battery from another vehicle, or using a battery booster if available.Requirements: The engine of both the vehicles should be off, and the transmission in Park. Assume my car knowledge is very limited. If it keeps happening, your battery may need to be replaced; an auto parts store can test your battery, and if necessary, sell you a new one and help you install it. Welcome to mechanics.stackexchange.com! headlights go out. If it still doesn't start, check for spark. These are leds. remove headlight hyundai i40Nitro Acoustic. I fear in the safety and design/construction in the vehicle; as stated I would like further investigation into why the headlights flickering, as well resolution and repair. I'd bet yours is worse off than that. they flicker when running. If the battery or alternator light comes on after the vehicle starts, youll likely need a new alternator. Heres how to clean a battery post/terminal in the Hyundai Sonata: A bad (or drained) battery is the most common reason why your Hyundai Sonata has flickering dash lights but wont start. . If the connector comes out, securely plug it into the rear of the assembly. A week goes by and I hear nothing but I do get an automated voicemail from the dealer regarding a great incentive to trade in my car for a newer model. It could have a slow drain, or the alternator could be bad. Requirements: The engine of both the vehicles should be off, and the transmission in Park. Put your vehicle key in the ignition to turn the battery on. This needs to be recalled. Seems like a standard automotive relay, turned on by the accessory power, could be inserted in the parking light wire. Stated that it was the junction box needed to be replace. Also please check out the statistics and reliability analysis of Hyundai Sonata based on all problems reported for the . Lol, what a journey. Step 3 JavaScript is disabled. The. . Took it to a Hyundai dealer. The car just started doing this for the first time today. It is possible the battery in your Hyundai Sonata is in good health, but the current flow is interrupted due to a loose electrical connection, a damaged wire, or corrosion on the battery terminals. Allow it to cool down before checking the connections. Put blinker on for right hand turn, made the turn, when the blinder stalk (which also contains headlight controls) returned to home position, the headlights went out, and the instrument panel indicated my lights had switched off. Inspect your Sonatas ground cable for any obvious damage. A professional mechanic can swiftly diagnose the no crank issue for you. Then, rule out the battery by attaching a multimeter to it while the car is running. How can the mass of an unstable composite particle become complex? When the bright lights are switched on, the tunnel effect disappears. There are a few issues that can cause your interior lights to flicker. If it jumps, youll know that a drained battery was causing the no-start/flickering dash lights issue. 2. lights won't turn off key chain car opener wouldn't work If the problem is a bad alternator, your car will slowly lose power. If I don't use my turn signal my headlights work Home Troubleshooting Hyundai Elantra dashboard lights flicker and wont start causes and how to fix it. Low oil pressure will cause the engine to seize up. SEE, I think it's a 15 pin plug and two wires change on the plug fro 95 to. Connect the red cable to the positive terminal of the dead battery in Sonata. Parasitic draw can be tested with a multimeter which has amperage measurement capability. When I exit my car and my headlight are turned to off position and close door, my running lights stay on. The lights are flickering when the car is on and running. Therefore it is recommended to keep the engine of the donor vehicle off when jump starting your Sonata. The number of distinct words in a sentence. 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