Translating the message text
All FM/IMS messages are stored in the FMN1MENU source member. This CSECT is part of the root module so that an English version of the messages is always available. In addition, all messages used by FM/IMS under ISPF are provided in the library, FMN.SFMNMENU. Using both FMN1MENU and members in FMN.SFMNMENU, you can provide your own set of translated messages. To use the messages you have translated, see Using the translated messages and panels.
To provide translated versions of the messages, you must provide a version of FMN1MENU in your language, as described in Providing a multicultural version of FMN1MENU and provide translated versions of the appropriate members in FMN.SFMNMENU, as described in Translating the ISPF messages text.
You should not need to provide a Japanese version of the messages if you have installed the FM/IMS Japanese component.