where is idle air bypass value at and my top radater hose gets really hot and th on 1990 Ford Taurus

the bottom one is warm and it dont seem like the fan is kick on but when i stick my code reader on it my fan kicks on with that

Asked by for the 1990 Ford Taurus
that i normal with scanner hooked up. there is a cooling fan relay pak under top radiator cover that controls fans but ck circuit 1st