TOKYO — A malfunction that shut down all of Toyota Motor Corp.'s plants in Japan on Tuesday happened during an update of the automaker's parts ordering system, two people with knowledge of the matter told Reuters.
The world's top-selling automaker has not given any details of what went wrong to cause the closure and a company spokesperson on Wednesday was unable to say whether the glitch happened during a system update.
Toyota, which restarted operations at its Japanese assembly plants on Wednesday, has seen production recovering this year. The full-day outage at its domestic plants could be equivalent to $356 million in revenue, Reuters calculations based on output data and financial reporting showed.
The company said its global sales had risen 8 percent in July from the same month a year earlier to a record 859,506 vehicles. It also reported a 15 percent increase in global production in that month.
The automaker has now posted year-on-year inc…