Can't sync contact & calendar to iOS 4.1 device since Mavericks update
In order to sync contacts and calender, you have to use iCloud now. 

With iTunes 11.1.2 and OS X Mavericks they(Apple) disabled the option to sync locally according this Document.


  Note:   These instructions apply only if you use OS X v.10.8.5 or earlier. If you use OS X Mavericks v.10.9 or later, your contacts, calendars, and other info are updated on your computers and iOS devices via iCloud. For more information, see iCloud Help at icloud.com.