The Reds are searching for their first trophy since 2006 as they make their first appearance at the new Wembley stadium.
The Spanish left-back, who signed from Newcastle in the summer for £5 million, has been a regular in Kenny Dalglish's side this season and is expected to receive a place in the starting line-up to face the Welsh club.
Liverpool warmed up for the final with a 6-1 thrashing of Brighton in the FA-Cup at the weekend. Although three of their tally were own-goals, strikers Andy Carroll and Luiz Suarez both found the scoresheet for the Reds.
Enrique expects a tough test on Sunday against Cardiff and believes his side have to be at their best once again.
"Everyone thinks because we're playing against a Championship team it will be an easy game but we know it's going to be hard," he told http://www.walesonline.co.uk/footballnation/cardiff-city/cardiff-city-fc/2012/02/21/liverpool-not-taking-cardiff-city-lightly-says-jose-enrique-91466-30370870/.
Liverpool will face Stoke in the quarter-final of the FA Cup following their victory over Brighton at Anfield.