The planned four-day halt to production at a Tsutsumi factory line, which makes Camry and Corolla models, will cut vehicle output by as many as 1,500 vehicles.
The latest January suspensions hit 19 lines at 11 plants in Japan, out of a total of 28 lines in 14 plants.
The Nissan Z car, a 400-hp, twin-turbo symbol of the struggling Japanese automaker's revival, is the latest product launch to be derailed by global supply chain woes.
The stoppages affect output of Lexus models and the Toyota Land Cruiser as the automaker runs short of components from plants in Southeast Asia where production has been disrupted.
Toyota said heavy rains, especially in its home prefecture of Aichi in central Japan, impacted procurement of parts and will force it to stop production at a total of three lines in two domestic factories.