This Service Repair Manual provides comprehensive information for Toyota vehicles equipped with the ZZ-FE engine family, encompassing engine codes 1ZZ-FE and 3ZZ-FE. The 1ZZ-FE is a 1.8 Liter Inline 4-cylinder, DOHC, 16-valve engine with Electronic Fuel Injection (EFI), producing approximately 130-132 hp and 125 lb-ft of torque. The 3ZZ-FE is a 1.6 Liter Inline 4-cylinder, DOHC, 16-valve engine, also featuring EFI, with an output of approximately 110 hp and 115 lb-ft of torque. Both engines utilize a timing chain and are designed for reliable operation. This manual, sourced directly from the original factory and presented in English, covers essential aspects of vehicle care and repair. It details operation, diagnostics, maintenance instructions, installation procedures, and special repair instructions. Key maintenance information includes recommended SAE 5W-30 oil with API SN or higher and ILSAC GF-5 or higher, an oil capacity of approximately 4.4 US quarts (4.2 liters) with filter, and the use of Toyota Super Long Life Coolant (Pink). This resource is intended to assist owners, mechanics, and technicians in effectively maintaining and repairing their vehicles.