"Coronado" sailed from Humboldt Bay on 10 October 1944, to join in the Leyte operation, and served on escort and patrol duty between Leyte and New Guinea until 15 December 1944. She arrived at Boston, Massachusetts, on 24 January 1945 for an overhaul of her main engines and boilers and various modifications, followed by refresher training in Casco Bay, Maine. On 28 March 1945, Escort Division 25, consisting of "Coronado" and her sister ships (the flagship), , , , and , departed Casco Bay bound for Seattle, Washington, via the Panama Canal, arriving at Seattle on 26 April 1945. She was moored at the Lake Union Lumber Company Pier there from 30 April to 16 May 1945, undergoing voyage repairs and further alterations by Pacific Electric Company contractors. In late May and early June 1945, she underwent tests and loaded ammunition.