The 2005 Lexus RX400H represents a significant milestone in the evolution of luxury SUVs, pioneering the integration of advanced hybrid technology with the refinement and comfort synonymous with the Lexus brand. This model, part of the first generation of the RX400H (XU30), offered a unique blend of SUV versatility, a smooth ride, and a quiet cabin, all while delivering impressive fuel efficiency and performance through its innovative Lexus Hybrid Drive system. Combining a 3.3L V6 gasoline engine with electric motors, the RX400H provided a powerful and responsive driving experience, setting a new standard for environmentally conscious luxury vehicles and competing effectively in the luxury mid-size SUV segment.

This comprehensive service manual provides detailed information essential for the maintenance, diagnosis, and repair of your 2005 Lexus RX400H. It covers all major vehicle systems, including the intricate hybrid powertrain, the Electronically controlled Continuously Variable Transmission (ECVT), chassis components, electrical systems, and bodywork. Within these pages, you will find step-by-step procedures for routine maintenance, in-depth troubleshooting guides, diagnostic strategies for complex issues, and precise technical specifications. This manual is an indispensable resource for owners, technicians, and mechanics seeking to ensure the optimal performance, reliability, and longevity of their RX400H.