Other information:
Description
Main Relay is installed in the Power Relay Assembly (PRA) and it controls the high voltage line.
It connects the power between the high voltage battery pack and the high voltage joint box by the BMS ECU control signal.
But when the battery cell is swollen by overcharging, main relay ...
Description
RAD is installed on each battery module.
If the high voltage battery is swollen by cell overcharge, RAD cuts the ground of the main relay and the pre-charge relay.
If the cell is overcharged, the switch turns OFF and the vehicle cannot be driven.
RAD
RAD on 10 cells
RAD on ...