The Protege, chassis code BJ, is a compact car known for its engaging driving dynamics and value proposition. Produced in 2005, this model offers a balance of fuel efficiency and responsive handling, often praised for its sporty feel and reliability within its class. Available with various inline 4-cylinder engine options, including 1.6L and 2.0L displacements, and offered with both manual and automatic transmissions, the Protege caters to a wide range of drivers seeking an enjoyable and practical driving experience. Its engineering reflects Mazda's philosophy of Jinba Ittai, emphasizing the connection between driver and vehicle.

This comprehensive English service manual provides detailed information for the maintenance, repair, and troubleshooting of the 2005 Protege. It covers all essential vehicle systems, including engine mechanical and electrical components, transmission, drivetrain, suspension, steering, brakes, bodywork, and HVAC. The manual includes step-by-step procedures for routine maintenance, component replacement, engine and transmission overhauls, and electrical diagnostics, along with critical technical specifications, torque values, clearances, wiring diagrams, and diagnostic trouble codes. This resource is designed to assist owners and technicians in keeping the Protege in optimal condition.