Nikkei sheds 0.1%
Japan's Nikkei 225 index nudged down on the back of persisting worries over China and the fall in commodity prices.
Stocks with exposure to the mainland extended losses on Tuesday; construction equipment maker Komatsu and Hitachi Construction Machinery closed down 2.3 and 1.8 percent, respectively, after Monday's weak manufacturing activity data.
Among commodity-related plays, Inpex receded 1.6 percent, while Mitsubishi Materials Corp and Sumitomo Metal Mining ended down 1.9 and 2.5 percent, respectively.
Toyota Motor slumped 1 percent ahead of the release of April-June quarterly results after the market close.
Outperforming the bourse, Suzuki Motor rallied 4.3 percent on the back of news that U.S. activist investment fund ThirdPoint has placed a bet on the Japanese firm, citing the automaker's dominance in India.
ASX gains 0.3%
Australia's S&P ASX 200 index ended in the black on Tuesday, but pulled away from a more than 3-month high attained during the session as financials trimmed gains.
Commonwealth Bank of Australia and Australia and New Zealand Banking closed up 0.8 and 0.3 percent, respectively, but National Australia Bank and Westpac notched down 0.1 and 0.2 percent, respectively.
Among gainers, Suncorp Group piled on 1.5 percent after posting a 55.2 percent rise in full-year net profit, while consumer discretionary plays such as Harvey Norman and Myer soared 6.1 and 3.2 percent, respectively, after retail sales came in better than expected.
Underperforming the index, Santos led losses in the energy arena with a plunge of 2.6 percent, as the fall in oil prices showed no signs of abating.
Meanwhile, the Reserve Bank of Australia (RBA) held its cash rate unchanged at a record low of 2 percent on Tuesday, prompting the Australian dollar to widen gains against the greenback. The local currency moved up to $0.7310, from $0.7296 prior to the announcement.