Look under your passenger seat or behind the glovebox for a silver amplifier box before assuming direct wire speaker outputs will function.
If you have power but no sound, the 08600-00980 model specifically can suffer from loose internal connections between the CD deck and the main board (connector CN101). Are you looking to install an aftermarket radio troubleshoot a specific sound issue in your Toyota? Toyota 08600-00980 Fujitsu Ten CD Deck Pinout Diagram Toyota 08600 Radio Wiring Diagram
"Okay, Mia, you're an engineering student now. Think," she muttered. Look under your passenger seat or behind the