will join in an effort to develop intelligent maps by 2018, the Nikkei daily said, as competition heats up to improve the technology key for autonomous driving.
Japanese automakers, map-making companies, and the government will get together to generate standardized intelligent maps, with plans to incorporate driving data gathered by the automakers, the paper said on Sunday.
A Toyota spokesman declined to comment, while officials at Nissan could not be reached immediately for comment.
Intelligent mapping systems supply information to control self-driving cars, which are equipped with street-scanning sensors to measure traffic and road conditions.
German auto supplier Bosch said on Friday it was in talks with high-definition digital maps company Here, exploring whether to take a stake.
Volkswagen's Audi, Daimler's Mercedes-Benz, BMW and car parts supplier Continental are also working on technologies for autonomous or semi-autonomous cars.