Nissan on Thursday said its April-June net profit jumped 14 percent to $821 million, as it pointed to improved market share in Japan and North America.
Japan's number-two automaker earned 82 billion yen on sales of 2.51 trillion yen in the second quarter, while leaving unchanged its forecast of a 420 billion yen net profit for the fiscal year to March 2014.
However, it saw an 3.3 percent year-on-year decline in sales to 1.17 million vehicles.
Nissan, part-owned by France's Renault, also warned it had not fully recovered from the impact of a consumer boycott of Japan-brand goods in China.
The boycott came as a long-running diplomatic battle between Tokyo and Beijing over a chain of East China Sea islands flared anew last year.
Japanese firms saw sales in the world's biggest vehicle market plunge and many closed factories for a time as urban riots swept across China.
On Thursday, Nissan also said demand in recession-riddled Europe remained weak.
"Nissan's improved market share in Japan and North America could not completely offset the repercussions in China of the islands dispute and sluggish economic conditions in Europe," it said in a statement.