The Juventus midfielder is a fitness doubt for Friday's Group B clash with Australia in Cuiaba, after undergoing an operation at the end of the Serie A season.
Vidal played 15 minutes of Chile's 2-0 friendly victory over Northern Ireland on Thursday, but it remains unclear whether the 27-year-old will be involved against Ange Postecoglou's men.
"Arturo Vidal's recovery process is on the right track," Carcuro said at a press conference.
"The 15 minutes Vidal played against Northern Ireland weren't more intense than his previous work.
"The knee inflammation is something usual in Vidal's recovery process. There wasn't a relapse.
"Arturo Vidal progressed within the periods we planned for his recovery."
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