prius won't start after replacing 12v battery

Certified Mechanics are Ready Now. I rather have the non-christmas light option.

Prius Won T Start What Could Be Wrong

Wait a minimum of 5 minutes then 1st reconnect the 12v battery this order is important then re-insert the Orange HV Battery safety plug making certain that it is in all the way and that the locking lever is.

. It shouldnt move at all. Loose battery terminals are a very common problem and arent as immediately obvious on a Toyota hybrid since the 12V battery isnt used to start the gas engine. I purchased a rebuilt battery and installed it today.

5 JC91006 Aug 2 2017. This fuse is connected directly to the positive connection for the 12v system. Up to 25 cash back What we need to do is check at the jump start attachment under the hood for power.

A new battery should hold close to 13 volts. One can check the status of the Prius battery in three ways. I changed the battery and now I am getting wonky lights on the dash and the car doesnt run right.

I purchased a new one and replaced it this morning. And you should charge up the new battery the car wont do it for you it just maintains it. 3 key in the ignition and turn it 2 clicks right again.

If you try to restart your Prius and the dashboard lights come on but they are. The battery drain and random alarm were caused by a shorted control module computor that controls the door locks and alarm system. I did not replace my 12v battery and my Prius.

After looking closely at the fuses I notice that there is a break in one. Maybe its just not well connected to the car. And to do that you need specific tools like.

It is very possible to check the degree of wellness or status of your Prius 12volt battery. Visit the app store on your smartphone or tablet and download the free Dr. Hey all thanks for the help and advice.

Things that you need to check Prius 12 volt battery. At this point I figure maybe a fuse was blown. It was definitely interesting to get to as it was the first time I did it but thanks to a Youtube video it was quite easy.

Press and hold the Start button. Up to 25 cash back Toyota Prius is not running after a 12v battery change. After further time you should see the voltage drop again to around 135 V which indicates the 12 V battery is now fully charged and on a trickle charge.

Dead Battery is my first suggestion. Subscribe Now for Unlimited Access to Verified Professionals in Any Field. The best way to check is to grab the terminal and twist.

Display also showed that symbol on the energy light which went from green to red with the picture of a broken car or so it appears to me. Update on this issue. Toyota Prius -Tip on how to start it with a dead 12V battery without JumpStart.

If youre looking down at the fuse box the break is at the top of the large rectangular fuse to the left. The tail light problem was caused by a 17-year-old that replaced the bulbs with the wrong type single element rather than dual element. Because I had left the car outside in the cold and I may have left an interior light on I figured it must be the battery.

In some vehicles the 12v battery starts the car but in a Prius the hybrid battery is responsible. Batteries only last a few years and if they fully discharge that could be the end of them. It was the battery.

4 flip the toggle switch in the opposite direction again. It starts the gas motor for all of 3 seconds or so but then I cant get it to start again when pressing the gas pedal while in park like it used to. 2007 Prius Wont Start Without Jump.

Connect the app to the OBD2 device by Bluetooth or WiFi. Terminal clips positive and negative Step by step Prius 12 volt battery checking guide. Disconnect the 12v and reset the car.

The hybrid battery was going back so in June of 2021 I had a local. The most common causes that hinders normal starting operation of your Prius are dead key fob battery dead high voltage battery dead 12v battery clogged fuel filter blown fuse empty gas tank immobilizer error or any fault in the electrical system. At 138 the charge has moved to a float charge.

Keep them used daily and theyll work well enough even though they may self-discharge somewhat overnight. It is usually a bad connection at the negative cable to body ground spot. I returned from being away for a couple weeks and could not open the car with the fob.

The test light can tell you if there is any power at all but I recommend the. It can be checked. I following all removal and installation instructions as per Toyotas manual.

Start the car normally after the system has rebooted by pushing down on the brake and pressing the Start button again. Check that youve locked the orange service plug properly by pushing downward as your final step. 2 bisco Oct 30 2019.

Give them a day or so or even a week and they wont be recoverable. I own a 2010 Prius III. I have a 2007 Prius that I was upgrading from in the summer 2020.

To do this will require a voltmeter or a 12 volt test light. After I finished my Prius still wouldnt start. I get the red trianglecheck engineabsmaintenance required and the radio works but the display screen doesnt come on.

I bought a new Hyundai and offered the car to my little sister in summer of 2021 but the car had sat for a year at that point. I have been having a problem starting the car this initially started only when hot and if I tapped gently on the solenoid. 2 if you have a toggle switch for your alarm flip it to the opposite direction.

When replacing the 12 volt auxiliary starting battery it is crucial the auto mechanic or DIYer clean the throttle body of any buildup using carb cleaner. The Prius is especially sensitive when relearning its throttle position after the battery has been disconnected failing to clean the throttle can result in a car that dies while driving or. Up to 8 cash back Step 1.

Use the Dr Prius app to check the status of your battery. 1 key in the ignition and turn it 2 clicks right. Then turn the key in off position.

Then check the app to see if the OBD2 adapter is saying there are problems or issues with your battery. Im suspecting your hv battery might have issues should get that checked. If the engine fails to crank a weak or dead battery may be to blame.

Ad Get Reliable Answers to Toyota Repair Questions Online. I replaced the key fob battery with the same exact 1632 energizer battery and that did not help. After making sure there are no physical conditions then disconnect the 12V battery ground cable and disconnect the HV Battery by pulling the orange safety plug.

I think my car hates me. After replacing the 12 volt battery hatchback door still wont open however I drove the car several miles only it lost power the red triangle light cut back on along with HV battery fans. Toyota Prius Electrical Problem Fixed after replacing 12V battery - How To Replace 12V battery.

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. Hold the Start button down with your index finger for at least 45 seconds. Maybe your Prius battery isnt dying.

Prius 12 Volt Battery Problems 2022 Complete Guide