Toyota Motor Corp. shareholders on Tuesday approved a proposal to re-elect Chairman Akio Toyoda to the board despite investment advisories urging a vote against him following a recent series of safety test scandals in Japan. At the carmaker’s annual shareholders’ meeting at its headquarters in Aichi Prefecture, nine other board members, including President Koji Sato and two executive vice presidents, Hiroki Nakajima and Yoichi Miyazaki, were also reappointed. Prior to the shareholders’ meeting, U.S. proxy advisory firm Institutional Shareholder Services recommended that shareholders oppose a c…