Taniguchi, whose racing experience includes wins in the Super Taikyu Endurance Series and the Japan Classic Car Challenge, finished second in the Japan Le Mans Challenge series last year. Running a Porsche 997 GT3 RSR, Taniguchi claimed LMGT-2 class podium finishes in all four rounds, including one win.
Hiroshima-born Taniguchi will be testing with N.Technology at the Adria International Raceway circuit in Italy on 24 and 25 September, before heading to Monza the following week.
"We have been looking into running a second car for some time," said N.Technology Team Manager Andrea Muller. "It had to be right however, and we believe Yuke will be a worthwhile addition to the team. His experience at Okayama, where he finished first last year in the Japan Le Mans Challenge, will be extremely valuable to us."
Alessandro Mariani, JAS Managing Director, added: "The Honda Accord has raced in the WTCC since the Championship started and finally, for 2008, there is a Japanese event. The only thing left missing was a Japanese driver and so we all are very pleased that Yuke will be part of this project in Monza and in Okayama. This is a great opportunity for us."