VEHICLE THERMAL MANAGEMENT SYSTEM AND METHOD OF CONTROLLING THE SAME

Disclosed are a vehicle thermal management system and method, the vehicle thermal management system including a compressor configured to compress and discharge a refrigerant, an indoor condenser connected to a downstream point from the compressor, provided in an indoor air conditioning device, and configured to heat an inside air of the vehicle, an outdoor heat exchanger connected to a downstream point from the indoor condenser and having a first expansion valve, a chiller having a second expansion valve, a vehicle heat generating unit connected to the chiller through a coolant, and a controller configured to control the amount of expansion in the first expansion valve, the amount of expansion in the second expansion valve, or a flow rate of the refrigerant flowing through the outdoor heat exchanger or the chiller on the basis of a temperature of the coolant flowing through the refrigerant temperature or the chiller.