How Does A Hybrid Charge The 12v Battery. They use a DC. Checking the 12 volt battery and charging system is a bit different on a most hybridelectric vehicles.
Once the contactors pass a test the negative contactor and the pre-charge relay close in that order and then for the first time the high-voltage battery pack is connected. Any work on the big battery in the hybrid system should be left. Place the meter where you can see it before you start the car and look for 115 volts or more.
Your 12 volt battery will charge with the engine either running or stopped as long as the ignition is in the ready state.
The car is designed to cut all power if it detects that the 12V battery is low. Once the contactors pass a test the negative contactor and the pre-charge relay close in that order and then for the first time the high-voltage battery pack is connected. Heres an example of how its doneWrenchin Up with. Get it reconditioned for much less.
