Seems like Toyota didn’t want to be left out of cheating on diesel emissions. This is on top of Daihatsu (100% owned by Toyota) falsifying safety data and yet another Takata airbag recall for various Toyota products.
Japanese officials raid a Toyota group plant after the company admitted cheating on engine testing
The testing scandal comes at a time of otherwise stellar performance for Toyota, which makes the Camry sedan, Prius hybrid and Lexus luxury models.
apnews.com