The Mitsubishi Eclipse, produced in 2003, is a compact sports coupe and convertible known for its distinctive aerodynamic styling and performance-oriented options. This generation offered a range of engines, including naturally aspirated and turbocharged four-cylinder units, as well as a potent V6 engine, with all-wheel drive available on GT models. Its competitive advantages included powerful engine choices and AWD, placing it in a segment with rivals like the Honda Civic Si and Toyota Celica, appealing to enthusiasts and performance-focused buyers.

This comprehensive Factory Service Manual provides detailed diagnostic, repair, and maintenance procedures for the 2003 Mitsubishi Eclipse, covering North America (USA, Canada) with USDM and CdnDM variants. It delves into powertrain, drivetrain, chassis, electrical, and body systems, offering extensive guidance on routine maintenance, complex repairs, and troubleshooting. With over 1500 pages of technical information, including diagnostic flowcharts and wiring diagrams, this manual is an essential resource for owners and technicians seeking to maintain and repair their vehicle effectively.