This workshop service repair manual in English covers Toyota vehicles equipped with the 1AZ-FSE engine family. This engine is an inline 4-cylinder, DOHC, 16-valve unit with a displacement of 1998cc, featuring Direct Injection (D4) technology. It produces between 108-114 horsepower and 142-144 lb-ft of torque, designed to meet Euro III/IV emission standards. Commonly found in models such as the Toyota Camry, Avensis, and Picnic, this engine is known for its reliability and efficient performance across various regions including Asia, Europe, and Australia. This comprehensive manual provides detailed information essential for the maintenance and repair of your vehicle. It includes in-depth coverage of complete engine overhauls, diagnostic procedures, and specific repair instructions. Maintenance schedules, including recommended oil changes every 10,000 km, oil capacity of 4.5 liters, and guidance on recommended oil viscosities like 0W-20 and 5W-30, are clearly outlined. Information on spark plug types, transmission details for the 4-speed Automatic (Super ECT), and other technical specifications are also included, ensuring owners and technicians have the necessary resources to keep the vehicle in optimal condition.