Prius Traction Battery Test

Testing hv battery hv battery voltage swing checking for block v difference looking for 2v swing spike looking for 1 2v delta min max variance perform hv stall test using electric drive to charge discharge follow safety procedures.

Prius traction battery test.

I ve included pictures to assist you with this procedure. The prius battery consists of a bunch of individual battery blocks wired in series. The more i research the more i uncover hidden information on these batteries. Power your prius on by pressing the power button once.

The hv battery ecu monitors the voltage of each individual block. The much larger traction battery actually starts up the engine when needed. If you are a diy guy at home you can fix and balance a battery for a few days and less than. Here is what i found most recently that.

The best time to test the 12 volt battery in your prius is after it has been sitting for several hours or overnight. With a traditional car you can normally tell the 12v battery needs replacement by sluggish starts or no starting at all. Whereas the traction battery or hybrid battery as some call it is used to power the electric parts of the prius electric motor. Whichever block has the lowest voltage is reported in a pid parameter id called battery min block voltage.

The toyota prius traction battery can be a tricky thing to understand. Each battery block is about 15v. After driving with my new battery for less than a week these are the night and day items that stand out to me as well as some more general items to look for. Prius means peace of mind and saves your money.

All of the block voltages vary slightly. Lower than usual mpg. Prius perform test and provides access to all the relevant battery information to quickly help identify problems with a simple touch on the screen of your smartphone do not fall victim to bad battery test the battery and print the certificate to prove the health of your hybrid.