This manual pertains to the 1992 Infiniti Q45, a vehicle known for its sophisticated engineering and luxurious appointments. Designed to offer a refined driving experience, the Q45 represents a pinnacle of automotive design for its era. This comprehensive guide is intended to support owners and technicians in understanding and maintaining the intricate systems that define this exceptional automobile, ensuring its continued performance and reliability. The purpose of this manual is to provide detailed instructions and technical specifications for the maintenance, repair, and troubleshooting of the 1992 Infiniti Q45. It covers a wide range of topics, including general information, maintenance schedules, detailed procedures for all major mechanical and electrical systems, and diagnostic guidance. By following the clear, step-by-step instructions and referencing the high-quality diagrams, users can effectively perform necessary service operations, from routine upkeep to complex repairs, thereby preserving the vehicle's optimal condition.