WARNING: This page is about a different car, the 2004 Infiniti FX45. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Base Radio Circuit, W/ Navigation (1 of 2)
Fig 2: Base Radio Circuit, W/ Navigation (2 of 2)
Fig 3: Base Radio Circuit, W/O Navigation
Fig 4: Premium Sound Radio Circuit, W/ Navigation (1 of 2)
Fig 5: Premium Sound Radio Circuit, W/ Navigation (2 of 2)
Fig 6: Premium Sound Radio Circuit, W/O Navigation (1 of 2)
Fig 7: Premium Sound Radio Circuit, W/O Navigation (2 of 2)