TOKYO—A lawyer for Nissan Motor Co. on Wednesday asked a Tokyo court for leniency when it sentences the company over charges it allowed ousted chairman, Carlos Ghosn, to hide earnings from Japanese authorities. Nissan, which has already pleaded guilty, is standing trial alongside former executive Greg Kelly, who has denied charges he helped his former boss hide 9.3 billion yen ($81.8 million) of Ghosn’s earnings over eight years through deferred payments. Prosecutors are seeking a 200 million yen fine for the carmaker, and a two-year jail sentence for Kelly, for breaching regulations introduced in 2010 that forced company executives earning more than 1 billion yen a year to disclose their compensation. In closing statements to the court the Nissan lawyer said the company had already seen its reputation damaged by the charges and had not benefited from Ghosn’s alleged actions. The lawyer added that the carmaker already faced fines from …