Nissan profits have collapsed by 70% in three months.
It made $278M to the end of September with retail sales down 7.5% globally, European registrations slid 23% but sales showed a steadying picture in America.
JLR is looking for partners to share new technology and other costs, say media reports.
BMW and Zhejiang Geely are mentioned but others may be approached to assist market improvements in the way Ford and Volkswagen and PSA Group and Fiat Chrysler Automobiles have collaborated.