This manual covers the DENSO Common Rail System designed for Isuzu 6HK1 and 6SD1 type engines. It details the construction and operation of system components, various control types, and provides essential reference information. The manual is intended to be a comprehensive resource for understanding and working with this advanced diesel injection system.

The purpose of this manual is to provide detailed guidance on the maintenance, diagnosis, and repair of the DENSO Common Rail System. It includes information on circuit diagrams, wiring, and diagnosis codes, enabling users to effectively troubleshoot issues and ensure optimal performance. This resource is designed for technicians and mechanics seeking in-depth technical knowledge to service these specific Isuzu engines.