The firm regained its crown as the world's best-selling automaker in the first half year and expects to sell 9.76 million cars and light trucks globally this year, including the Daihatsu and Hino brands.
More recently, though, - and other Japanese brands - have seen sales plummet in , the world's biggest autos market, as a result of protests in a simmering Sino-Japanese territorial dispute. said on Tuesday that its China sales fell 48.9 percent year-on-year in September. Sales in China account for about 12 percent of its total.
The recall, intended to fix a malfunctioning power window switch on the driver's side, primarily affects cars in the United States, China and Europe.
The recall will include some Yaris and Corolla models, with repairs taking about 40 minutes, the company said.
"The process to repair (the power window switch) is not an extensive one," spokeswoman Monika Saito said, adding that it would involve putting heat-resistant grease on the switches, or exchanging them.
declined to say how much the recall would cost, or what impact it may have on future earnings.
Koichi Sugimoto, senior analyst at BNP Paribas Securities in Tokyo, estimated the recall could cost at least 10 billion yen ($128 million).
"Of course, 7 million vehicles is a huge number, but it's probably not going to be like last time when customers in the United States avoided buying Toyota cars. This sounds like a completely different scale from then," he said.
The recall will include 2.47 million vehicles in the United States, 1.4 million in China and 1.39 million in Europe, the company said.
No accidents, injuries or deaths have been reported as a result of the problem, though there is a possibility the malfunctioning switches could emit smoke, Saito said. 's U.S. news release said the problem could lead to fire if commercially available lubricants were used on the switch.
Toyota will take in for repair about 459,300 vehicles in Japan, including the Vitz model, produced between 2006 and 2008.
The firm is also recalling 650,000 vehicles in Australia and Asia, 490,000 in the Near and Middle East, 240,000 in Canada and 330,000 elsewhere, said Shino Yamada, another spokeswoman forToyota.
The vehicles recalled outside Japan include some models of the Yaris, Vios, Corolla, Matrix, Auris, Camry, RAV4, Highlander, Tundra, Sequoia, xB and xD produced between 2005 and 2010.
The first time the problem was reported was in September 2008 in the United States, Saito said.