Toyota will use its former F1 team base in Cologne, Germany to run its 2012 Le Mans 24 Hour entry.
The team confirmed today it is building a petrol hybrid car to compete in the top LMP1 category of the endurance race.
Toyota will also enter other rounds of the 2012 FIA World Endurance Championship.
Toyota Motorsport chairman Tadashi Yamashina said: “Toyota has entered Le Mans before, but by using our hybrid technology this time will be a completely new challenge.
“We want to write a new chapter in the history of the Le Mans 24 Hours, as in the FIA World Endurance Championship, through our use of hybrid technology.
“In addition, we aim to learn from the experience of competing in such a challenging motorsport environment to enhance our production car technology. Le Mans is a legendary race and I would like to thank the ACO and the FIA for their constructive and positive co-operation over the last few months.”
Toyota last competed at Le Mans with its GT-One in 1999, when they finished second to BMW after a tyre failure late in the race.
Join the Endurance Racing group for more on Le Mans and other series