Here's a basic wiring diagram for the Fujitsu Ten 86120 car stereo system in a Toyota:
The is a common navigation/audio unit found in many Toyotas (e.g., Camry, Corolla, RAV4, Highlander, Tundra, Lexus ES models around 2006–2012). The “manual” typically refers to either the official Toyota wiring diagram or aftermarket pinout guides available online. manual toyota fujitsu ten 86120 wiring diagram
Finally, deep in a thread from 2009, buried under five pages of arguments about speaker impedance, he found it. A clean, scanned PDF. Here's a basic wiring diagram for the Fujitsu