Hino Motors Ltd displays its new Hybrid Profia, a diesel-hybrid version of its large commercial truck model at its R&D Centre at Hino in Tokyo, Japan July 17, 2018. REUTERS/Naomi Tajitsu/File Photo
TOKYO: A major affiliate of Japan's Toyota Motor Corp (7203.T) falsified emissions data on some engines going back to at least 2003, more than a decade earlier than previously indicated, a company-commissioned probe showed on Tuesday.