When you search for you will encounter two types of websites:

The Toyota is a 2.0L inline-6 engine produced between 1988 and 2005, known for its reliability in vehicles like the Lexus IS200 and Toyota Altezza. Repair Manual & Documentation

Based on your search query, you are likely looking for a downloadable repair manual for the (a 2.0L inline-6 used in models like the Toyota Altezza, Mark II, Crown, and Chaser).

, which is a widely recognized technical guide for this engine family. Toyota 1G-FE - Engine Specs