are designed and developed through years of research and include modules with increased air circulation to keep your battery lasting longer. Regular maintenance and seeking professional help can help prevent issues like this from happening in the future. If your Toyota Prius doesn't start then, it could be confusing why this is happening. Why is this the case? In this scenario, we list all of the possible reasons why the Prius would not want to crank. This warning can be alarming, and it's important to understand what causes it and what steps you can take to address the issue. When this issue occurs, the car won't turn over or even start more often than not. So, make sure that everything under the hood is properly working and there are no problems. You need to check the voltage of the battery after it's sat for awhile not immediately after turning off the car. Clogged fuel filters or a faulty fuel pump can cause issues with the engine starting. Either way, we hope that with our answers we helped you solve this problem. How To Get Rid Of Engine Noise In Your Car Stereo. Hold the key fob up to the start button with your foot on the brake and press the start button. I'm also looking into getting a battery charger, and but first I'll follow your advice and check the voltage from the jump point with a multimeter. Save my name, email, and website in this browser for the next time I comment. Another thing that could make the Prius wont start are bad coils. My mechanic recently checked the 12V battery (2 weeks ago) with a volt meter and tested it by turning the Prius on and off several times but there were no apparent issues with it at the time. Display buttons in Steering wheel not working after Jump. Once I got inside with the manual key, the car did turn on. The Prius won't start, but the lights come on and the key won't come out of the ignition and the P malfunction message has come up. Check the battery . This rarely happens but it could happen. If youve determined that a fully charged battery without corroded cable is the culprit, then its time to question whether or not you need a new starter. Prius security systems can prevent the car from starting, and a warning light will indicate the problem. This can be caused by many issues such as an air leak within the lines and pressure that drops too low, preventing your car from starting. Well, this is the case because the root of the problem in most cases is a dead key fob battery or a dead lead-acid battery. One of the biggest issues that causes a vehicle to crank but not start is ignition issues. Now lets move on to the things that can make your Prius wont start. The Prius Master Warning Light can be turned off by resolving the underlying issue causing the warning light to appear. The second scenario would be if the engine is cranking but the Prius doesnt want to start. And Prius batteries are special snowflakes. Another of the most common issues are battery problems. He holds a Bachelor of Science in Automotive Service Technology from Weber State University. Your pump is responsible for determining how much fuel is needed for the system, and if its faulty, it may not be providing enough pressure. To correct this circumstance, if youre handy with cars, you can simply drain a little out with the same steps youd use if you were changing your oil yourself. Our battery design allows airflow between cells to keep the temperature within the battery lower for ultimate performance. How did you get your car fixed? Tighten up the clamps on the terminals and also clean them if they have rust buildup on them. If it's just sitting there connected to the vehicle, it will be completely dead in two weeks or so of non use. Instead, plug connections on the ignition system come loose. This will need to be serviced by a repair shop. fix it yourself & save that money !! I tested the 12V battery myself using diagnostic mode with the following voltages; Ignition Off (IG-OFF): 12.2V Ignition On (IG-ON): 11.9V Car Started: 14.1V. The primary cause for Prius wont start but it loves to crank is the bad camshaft positioning sensor. MacBook won't start up is one that turns on but doesn't load the OS. Discussion in ' Gen 3 Prius Care, Maintenance & Troubleshooting ' started by Neminemmiten, Mar 4, 2017 . The fuel pump could also be the culprit. Hearing nothing at all could also indicate that your mower is refusing to start because it is low on oil. When the fuel pump fails it stops working completely so you cant start the car while the car keeps cranking. Dead high voltage battery Required fields are marked *. But it did. Tried jumping it, still nothing. Lastly, you may need to take your car to a certified mechanic for help. I did have to put my old computer from my old traction battery in the new battery and I don't know if that has anything to do with my engine not turning on. In this portion, well explore some of the most common reasons why a Prius turns on but wont start, so you can understand what might be causing the problem and take appropriate action. This just means that the engine doesnt move when you turn the key. Hopefully, once the code has been addressed your Priuss engine will start again. Tip: You can try starting your Prius with its second key. If there are no coils, the car will simply not crank. But it is what it is. A dead battery can prevent the car from starting, even if the lights and other electrical systems are working. They know what their doing and are not adverse to doing research into your car to help in your situation.". Manage Settings Thank you. You can tell if this is your problem by checking the fuses in the engine compartment. In principle, this can affect all vehicle systems such as the fuel supply, the oil supply or the power supply. I hope this helps you fix your Toyota Prius if it wont start, but it does turn on and make some noises. The crankshaft sensor can go bad as well. It is definitely worth it to use an OBDII scanner to check and see if the engine has thrown any trouble codes. Will Prius turn off without a key? Without functioning spark plugs, the engine will not start. The light should change from orange to green. Well, thats what we are going to cover in the next chapter. Shake, Rattle And EGR? If this is your issue, you will need to check the fuel pressure to see if it's an air leak or a bad fuel pump. Car parked at home. Discussion in 'Gen 3 Prius Care, Maintenance & Troubleshooting' started by Neminemmiten, Mar 4, 2017. The Toyota Prius is a reliable hybrid, but like any complicated machine, something can go wrong at any time. Then your problem with the Prius wont start would be solved. Rodent damage can be another reason why your Toyota Prius wont start. So, understanding the reasons behind this action will help you out in uncovering what is causing Prius wont start and solve the problem in the right manner. If your car has been getting lower and lower gas mileage, this may be due to a dying battery. You don't hear a startup chime, a fan spinning, or a drive noise, and your monitor is blank. If you have had your car fixed, what was the issue and what was the solution? EGR stands for exhaust gas recirculation. In any case, it is advisable for laypersons to call a breakdown service or a workshop. And not by its fault but because it was a green vehicle. I also had an issue with my 2008 toyota prius. And then you will possibly fix the Prius wont start problem. However, if the battery is failing, it will most likely not hold a charge for very long. Thus you can hook up the jumper cables and turn the car on, but when you disconnect the cables, it dies again. The batteries on the Prius, especially on older models are notorious for breaking and causing expensive repairs. We are stepping on the brake when pushing the start button. A faulty spark plug can prevent your car from even turning over. The electronic locks, windshield wiper were not working. Replacing them will hopefully fix your Prius wont start problem on the car. Drove today, was fine. Youll probably have a misfire related code such as P0300, P0301, etc.. Ignition issues can be caused by many things, including bad spark plugs, bad coil packs, bad plug wires, computer issues, and more. If this is the case, then you are at the right place because we are going to learn quite a bit when it comes to this problem and how you can solve it quickly and effectively. Lets dive right in and get your problem resolved as soon as possible. The keyless remote provides a convenient way to start the car without using the key. Please replace the first two. I'm not sure if it is the original, I bought it used in 2013. Its best to have it inspected by a mechanic if any issues arise. Meaning that you will not be able to start the car if you dont fix this fuse. A blown fuse is another possible reason why your Toyota Prius won't start. Peter can be reached on Linkedin and you can tweet him at The_hybrid_guy on Twitter. The most common causes that hinders normal starting operation of your Prius are dead key fob battery, dead high voltage battery, dead 12v battery. Imagine that you get to a car auction and you dont know anything about it. Passive means, among other things, that the transponder in the key does not need its own power source. Yes, I watched out to do the jump on youtube. Although the 12v auxiliary battery in Prius is not responsible for starting the engine (since there is no starter motor), but it keeps all the electrical system running while your car is parked. So, these coils are also known to fail. Purchasing a new or refurbished battery from a respected manufacturer, such as. To remedy this, if youre comfortable doing so yourself, try tightening the spark plugs. Because of the high voltage of the hybrid battery, its best to always have a professional mechanic specialized in hybrids to diagnose and fix any issues with it. The Prius is equipped with a remote (via the key fob) activated Air conditioner which uses the traction battery rather than the 12-volt battery. Why is my Prius not turning on? If no spark is created, the engine will fail to start. You check the interior and everything is good. Toyota Prius that shakes and rattles on startup, Visit Torque News homepage for more stories, cause a rattling knock, such as a misfire. But you will be constantly notified that the battery is dead and has to be serviced. Once the problem has been addressed, the warning light should turn off automatically. The voltage of the battery on your Toyota Prius can be measured precisely with a multimeter. How Do You Reset The Computer On A Ford F250? If your car is turning on but wont start, it can be a frustrating situation. Motor Verso is an automotive website; for car enthusiasts, run by car enthusiasts. The Toyota Prius wont start if its 12 V battery is low on voltage. Usually, a clogged fuel filter can be caused by debris or rust. Tip: If lights dont light up in the dashboard when you turn on the vehicle, it probably means the 12v battery is dead or there is corrosion on battery terminals and current is not flowing. Meaning that the car will think that you are a thief. To activate it, you need to be sitting in the car with the doors closed. Heres a good article from Napa on how to clean a battery terminal properly. So, whenever your car has a clicking sound and the battery is ok, then the solenoid is probably broken and needs replacing. If there are some burnt fuses, replace them with the right ones and try to start the car again. The smart key. 0 % 38 % of the time it's the Battery 0 % 27 % of the time it's the Alternator 0 % 20 % of the time it's the Starter 0 % 15 % of the time it's Something else Common Repairs Battery Replacement This will hopefully fix your Prius wont start problem. Dont worry, you can still start your vehicle the battery is only used to send the signal for locking/unlocking. No hazard lights, nothing, just the yellow transmission light, dimmed. The P300 code refers to the Prius' battery control system. But you will probably drain the battery completely if you are starting a car like this all of the time. Tried starting the car in the morning but faced the same issue where I couldn't even open the car door. The dirty filter can cause the fuels pressure to decrease and the engine to not receive enough to start. If the light in the start switch is flashing this indicates there is too much tension on the steering . 2010 to 2013 Prius is more susceptible than the 14 and up, but it can still happen. If you notice nothing wrong with it, then head to your local mechanic or dealership for help. Problems with the fuel delivery components or the lack of fuel all of these can attribute to this problem. Ensure that the battery connections are tight and securely attached. Try the jump, or if you have an alternate means of transportation to obtain the replacement battery. Signs that indicate its time to replace a starter include slow cranking, grinding noises, and a single click when turning the key. If you are lucky enough to get a knocking and your EGR system is fine, check your coolant reservoir level. Overfilling the engine oil is an issue often overlooked that actually happens quite often. When these sensors go bad, it can be impossible for your Prius to start. Ask me anything! Check the fuel filter. it started and the normal trip information displayed fine, indicating the drive battery has 3/4 charge, which assures me the main battery is not dead. Just use the jump list below to move to your particular situation. It is important that you enter this 100% correctly, otherwise the result of the search may be falsified. I tried to start the car but failed. Move on to the next probable cause. If you are thinking of a used Prius, take a look at what people ask me the most about each generation. Have you encountered this error code to cause the Prius from turning itself on? A low battery can put extra strain on a starter, causing damage over time. I should be good. If your Toyota Prius wont start when you push the start button, but some of the dashboard lights come on and it makes some sounds, but not all of the lights come on, then you have a weak battery. Ricardo Vaughn is the brain behind Winching Hub, a website dedicated to providing informative guides and knowledge on winches and other automotive equipment. How will it show up. It should be. The damage caused by the rodent bite can be repaired in the workshop. Theres a short somewhere in the system. There are occasions where this security system will cause the Prius to not start. The second pic is kind of blurry, but the first one, its definitely blown. And unfortunately, they can cost a lot of money to fix. Read more of Peter's stories at Toyota news coverage on Torque News. Your email address will not be published. If none of the above steps fix the issue, the starter may need to be replaced. Tried several times, no dice. Use a pair of needle nose pliers if you have to. Ask for FREE. That is RIDICULOUS, Cheryl. These codes will tell you what the computer is saying is wrong with your engine. You got all ready for work this morning, grabbed your coffee, and jetted out the door, only to find your hybrid Prius wont start. What happened to be your cause? Forcing the engine to start on a Toyota Prius should only be done in emergency situations and is not recommended for regular use. I'm going to try the jump tomorrow when it is warmer and the snow has melted. First, we are going to learn what is the Prius and why is it so popular. If this video. After this, you'll want to wait at least 30 seconds before attaching it back on for a full reset. If you're interested to know more details about what these situations were feel free to refer to the bottom of my post for more info. When you push the Start button: First, the vehicle's computer checks if the brake pedal is depressed. Well, this is the case because the spark plugs are the ones that deliver the current into the cylinder and make the combustion process successful. All dash board lights is does go on as well. Car parked at home. A faulty ignition is one of the most common problems. If the engine is cranking slowly, you probably have a failing battery. [Inc. A Used Car]. Another symptom would be when you try to start your car, and it takes a long time for the car engine to turn over. . If it is low, then you should perform a recharge. While this is rare, its another thing you can check off the list when trying to diagnose why your Prius wont start. You try to start it and you only hear a click. Take a look at 2 things that cause it and what you can do about it to fix it. But be careful not to start the engine. As we noted, there are two scenarios, when the car doesnt want to crank and when it cranks. Prius turns on but engine won't start 2012 Prius. Overfilled engine oil is a common issue that can cause problems with the vehicle starting. Engine Cranking Wont Start. Is your Prius suffering from a rattle/shake on startup? But this wasnt all that bad since this was better than advertising. 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