Prius Traction Battery Test

All of the block voltages vary slightly.

Prius traction battery test.

With a prius you may experience strange things dimming dash lights a drop in mpg s and if the 12v is completely dead obviously no starting. Whereas the traction battery or hybrid battery as some call it is used to power the electric parts of the prius electric motor. Here is what i found most recently that. I ve included pictures to assist you with this procedure.

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. The much larger traction battery actually starts up the engine when needed. The best time to test the 12 volt battery in your prius is after it has been sitting for several hours or overnight.

The more i research the more i uncover hidden information on these batteries. 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. This way you can check the resting voltage of the battery. The hv battery ecu monitors the voltage of each individual block.

Power your prius on by pressing the power button once. Each battery block is about 15v. If you are a diy guy at home you can fix and balance a battery for a few days and less than. With a traditional car you can normally tell the 12v battery needs replacement by sluggish starts or no starting at all.

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. Prius means peace of mind and saves your money.