Patent ID: 9617941
Date: 2017-04-11
CPC Classifications: F01P,F02D,F02M

Claim:
1. A method for controlling a cooling system in a vehicle, comprising: an Exhaust Gas Recirculation (EGR) use determination step of determining whether to use EGR; a first coolant temperature management step of controlling a coolant temperature using a first coolant temperature map based on an output value reflecting engine operating conditions when driving the vehicle using the EGR; a second coolant temperature management step of controlling the coolant temperature using a second coolant temperature map in which a coolant temperature of the second coolant temperature map is set to be higher than a coolant temperature of the first coolant temperature map in a same engine operation region when driving the vehicle not using the EGR; an input step for receiving a value of NO a third coolant temperature management step of controlling the coolant temperature using a third coolant temperature map in which a coolant temperature of the third coolant temperature map is set to be lower than the coolant temperature of the first coolant temperature map in a same engine operation region when the value of the NO