Bank officials have consistently sought to assure markets that the expected surge in inflation will be temporary and monetary policy will be kept accommodative for as long as the economy needs it.
Other automakers were also lower, with Toyota trading down 1.38 percent at 8,302 yen, Honda off 1.71 percent at 3,218 yen and Nissan down 2.55 percent at 543 yen.
In Tokyo, Panasonic was trading up 1.12 percent at 1,395 yen after it said it will sell all the shares of its European disposable battery units to German asset management group Aurelius.
Banks were also higher, with Mitsubishi UFJ Financial rallying 4.67 percent to 591.4 yen and Sumitomo Mitsui Financial rising 3.03 percent to 3,947 yen.