* The first place to check is the vehicle owner's manual. Some manuals include a wiring diagram as part of the vehicle documentation.
* Another option is to check the vehicle repair manual. Repair manuals typically include detailed wiring diagrams for specific vehicles and models.
* You can also find wiring diagrams online. There are a few websites that offer free or paid access to vehicle wiring diagrams.
* Finally, you can also contact a local Toyota dealership or auto repair shop and inquire about obtaining a wiring diagram for your vehicle.