WARNING: This page is about a different car, the 2004 Lexus ES 330. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Radio Circuit, 1 CD W/O Mark Levinson W/O Navigation
Fig 2: Radio Circuit, 6 CD W/O Mark Levinson W/O Navigation
Fig 3: Radio Circuit, W/ Mark Levinson W/ Navigation (1 of 2)
Fig 4: Radio Circuit, W/ Mark Levinson W/ Navigation (2 of 2)
Fig 5: Radio Circuit, W/ Mark Levinson W/O Navigation
Fig 6: Radio Circuit, W/O Mark Levinson W/ Navigation (1 of 2)
Fig 7: Radio Circuit, W/O Mark Levinson W/ Navigation (2 of 2)