•  The DC-DC converter steps down the high voltage battery 355 V DC voltage and supplies the power to the accessories and charges the lead-acid battery.

•  The DC-DC converter is installed to the side of junction box No.3.

•  Because the DC-DC converter generates heat when stepping down voltage, a coolant passage is installed to cool the parts by circulating coolant through the passage.

•  The DC-DC converter has the following inputs/outputs.