Here is the list according to the Owner's Manual.
Infiniti wrote:
The following models are available:
● Third generation iPod (Firmware version 2.3 or later) (Audiobook and Podcast are not
available)
● Fourth generation iPod (Firmware version 3.1.1 or later)
● Fifth generation iPod (Firmware version 1.1.2 or later)
● iPod mini (Firmware version 1.41 or later)
● iPod photo (Firmware version 1.2.1 or later)
● iPod nano (Firmware version 1.2 or later)
If are using an iPod that works with the factory system please post the model. If you have tried one that does NOT work, please post it also.