What is it, you're trying to do? What is it that you're expecting?
In simplest terms, you enter your 1098-T. The Pell Grant amount is in box 5. TurboTax determines if any of the grant is taxable. But, there's other considerations. Even though your tuition was covered by the Pell grant, you (or your parents) may still be eligible for a tuition tax credit.
For more specific advise, please provide more info.