Standard retail sites often give you three "possible" brake pad sizes. The EPC shows you the specific part number that left the factory on your chassis. Key Capabilities
If you'd like, I can help you or explain how to read the exploded diagrams found in the catalog. Toyota Electronic Parts Catalog -EPC- free download
To function, an EPC requires several DVDs of data. A free download might give you the software shell, but you must also find the specific database files for: Standard retail sites often give you three "possible"
The Toyota Electronic Parts Catalog (EPC) is the holy grail for DIY mechanics and restoration buffs. The "VIN-to-Bolt" Precision Feature Toyota Electronic Parts Catalog -EPC- free download