A service system or service method for providing various services, including the diagnosis of a mobile body, and portable information device used for the system

摘要

A mobile body obtains information from an in-vehicle sensor related to the operating condition and obtains information from a navigation system as correlated information. Application software is introduced to a portable information equipment at the time of signing up for a contract for receiving a service of the present service provision system when purchasing the mobile body. A user terminal is permitted to install various kinds of application software provided by a service provision entity, and information stored in the portable information equipment is got in the terminal by linking therewith. The service provision entity receives and analyzes the information got in the user terminal and provides a service including a diagnosis of the mobile body.