Renault SA has welcomed a decision by partner Nissan Motor Co. to grant the French carmaker a seat on its board committees, signaling an end to a dispute that had poisoned the world's largest auto alliance.

The accord could help mend relations, which plumbed to new depths after Renault Chairman Jean-Dominique Senard threatened to abstain from voting on a governance plan at Nissan's annual meeting next week. His demand for more committee representation came shortly after Nissan failed to support a merger between Renault and Fiat Chrysler Automobiles NV.

The Japanese company will give Renault CEO Thierry Bollore a seat on the board's audit committee and Senard a position on the nomination committee — key positions at the heart of decision making — Nissan said in a statement Friday. Renault now expects to support Nissan's resolutions during the investor meeting on June 25, people familiar with the matter said, asking not to be identified discussing the negotiations.