Toyota.epc-data [verified] -

EPC stands for Electronic Parts Catalog. It's a digital version of the parts catalog used by automotive manufacturers and dealerships to identify and order parts for vehicle repairs and maintenance. EPC data includes detailed information about every part and accessory of a vehicle, such as part numbers, descriptions, diagrams, and how these parts fit into the overall vehicle structure.

Stop guessing. Go to toyota.epc-data.com, type your VIN, and screenshot the diagram before you call the dealer. toyota.epc-data

Below is a technical overview document (formatted as a white paper) regarding the Toyota EPC Data structure, followed by a Python implementation example. EPC stands for Electronic Parts Catalog