There should be a diagram on the underside of the bonnet/hood.
The Camry could have a vacuum leak. If there is a vacuum leak, then there can be a whistling sound until the vacuum system is full of air.
The 2013 Toyota Camry has an inline 4 engine.
The 2002 Toyota Camry has an inline 4 engine.
The 2014 Toyota Camry has an inline 4 engine.
The 2007 Toyota Camry has an inline 4 engine.
The 2010 Toyota Camry has an inline 4 engine.
The 2004 Toyota Camry has an inline 4 engine.
The 2006 Toyota Camry has an inline 4 engine.
The 2012 Toyota Camry has an inline 4 engine.
The 2008 Toyota Camry has an inline 4 engine.
The 2005 Toyota Camry has an inline 4 engine.
The 2001 Toyota Camry has an inline 4 engine.