Whirlpool 858615115001 american stle f/freeezer

Hi gents need help on this one works ok but does not make any ice water come out fine there is no water going into the tray to make ice is there a float switch in tray not taken to bits yet as need imfo on what does what wiring diagramme or brake down of part to help me cheers alro model S208 RSB21-A/G 858615115001