Vehicle wire harness protection device

A method performed by a computer, comprising:

• detecting a current flowing through a wire harness which supplies power to in-vehicle equipment mounted on a vehicle;
• obtaining a standard temperature by using a predetermined value or a detection value of a predetermined temperature sensor among a plurality of temperature sensors mounted on the vehicle according to a traveling state of the vehicle or an environment;
• calculating an estimated temperature of the wire harness by using a current detection value of the current and a standard temperature value of the standard temperature;
• making a shutoff determination on a basis of the estimated temperature;
• and
• shutting off the current flowing through the wire harness on a basis of the shutoff determination, wherein the standard temperature is acquired by switching between a temperature sensor, which is mounted on the vehicle and detects a temperature depending on an outside air temperature, and a temperature sensor, which detects a temperature of equipment mounted on the vehicle, according to the traveling state of the vehicle.

A non-transitory computer-readable medium comprising computer-readable instructions, such that when executed, causes a computer to:

• detect a current flowing through a wire harness which supplies power to in-vehicle equipment mounted on a vehicle;
• obtain a standard temperature by using a predetermined value or a detection value of a predetermined temperature sensor among a plurality of temperature sensors mounted on the vehicle according to a traveling state of the vehicle or an environment;
• calculate an estimated temperature of the wire harness by using a current detection value of the current and a standard temperature value of the standard temperature;
• make a shutoff determination on a basis of the estimated temperature;
• and
• shut off the current flowing through the wire harness on a basis of the shutoff determination, wherein the standard temperature is acquired by switching between a temperature sensor, which is mounted on the vehicle and detects a temperature depending on an outside air temperature, and a temperature sensor, which detects a temperature of equipment mounted on the vehicle, according to the traveling state of the vehicle.