Nissan's future reportedly became the sticking point in negotiations, with Honda pushing to make its smaller competitor a direct subsidiary.

Honda's pressure to restructure Nissan is said to have been a key factor in the recent failed merger negotiations, according to leaks published Thursday by local media. Nissan, facing significant financial troubles,

There's strife of the horizon as Nissan vehemently opposes Honda's suggestion of making the struggling carmaker its subsidiary.