India, Feb. 22 -- Toyota is under scrutiny from Japan's transport ministry for alleged misconduct related to emissions-cheating diesel engines installed in several vehicle models, including the Fortuner, Innova Crysta and Hilux. The automaker's engine-building arm, Toyota Industries, admitted to tampering with performance test data for multiple automobile and forklift engine models, leading to potential penalties and certification revocation for the affected engines.

The Japan transport ministry's investigation revealed that the misconduct was severe, prompting actions to prevent future recurrence. The exact nature of the penalties is yet to be determined, but the focus is currently on forklift engines. The misconduct also involves power...