Your Blue/Yellow constant wire is not getting power. Check the "Dome" or "Radio" fuse under the dashboard. You may have accidentally swapped the Blue/Yellow (constant) with the Gray (switched).
used for auxiliary input, steering wheel controls, and CD changer communications. Steering Wheel Controls: Often found on pins 6, 7, and 8. AUX Input: manual toyota fujitsu ten 86120 wiring diagram
Are you planning to install an , or are you troubleshooting a faulty factory radio ? Your Blue/Yellow constant wire is not getting power
To add AUX or Bluetooth to these units, you need an (cheap) or a "Toyota Yatour" / "GROM Audio" adapter (expensive but high quality) that plugs into that empty CD changer port. used for auxiliary input, steering wheel controls, and
If you own a late-90s to mid-2000s Toyota (think Camry, Corolla, Avalon, or even a Lexus ES), you have probably stared at the back of your factory radio and seen a gray metal casing with the stickers and a model number starting with 86120 .
