Newbie -reverse engineering w visio

I am trying to docoument certain reports that are based on Access queries. I am working within Window XP, using visio pro 2003 against 2003 Access tables. I cannot get visio to produce a visual represenation of a query- showing related tables. I am usig the MS Access visio driver against an MS Access table. I anm using the default given. Anybody able to provide sone help–direction??