Nissan last month threw a lifeline to Mitsubishi as it announced plans to buy a one-third stake in the crisis-hit automaker for $2.2 billion
Japan's transport ministry ordered widespread checks to industry methods
The automobile giant is scheduled to submit a new report on the scandal to the Japanese transport ministry
The move by Tetsuro Aikawa is to take responsibility for the fuel economy data scandal, a report in the Nikkei states
The automaker had submitted misleading mileage data on its i-MiEV electric car.
Move said to be done to make emissions levels look more favourable; shares slump more than 15%