September 30: LEMON manuals is back up on a temporary server! Slowness is possible
Section 184 (System Wiring Diagrams): Navigation
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: Navigation Circuit, W/ Mark Levinson (1 of 2)
Fig 2: Navigation Circuit, W/ Mark Levinson (2 of 2)
Fig 3: Navigation Circuit, W/O Mark Levinson (1 of 2)
Fig 4: Navigation Circuit, W/O Mark Levinson (2 of 2)