Toyota has said it will recall 628,239 vehicles in Japan due to the faulty installation of fuel tanks.

The latest big recall for Toyota involves Noah and Voxy minivans sold only in Japan.

Toyota said the total cost of the recall is still unclear.

Toyota has faced an increasing numbers of recalls in recent years, partly due to its effort to cut costs by using the same parts across different models.

Toyota executives have acknowledged that Toyota's rapid growth in recent years has created the conditions for some slippage in quality.