This Isuzu 4JJ1 engine workshop manual vol 1 is a comprehensive guide spanning 342 pages. It provides detailed information on the function, symptoms, and diagnostic procedures for the electronic controls of the 4JJ1 engine.
The manual includes a service information guide, maintenance information, functional guide, symptom analysis, DTC information, wiring diagram, and engine control details. It is designed to assist both professional mechanics and DIY enthusiasts in servicing the 4JJ1 diesel engine (Interim Tier 4 compatible).
For mechanical rebuild information, Volume 2 of the manual is available separately. You can access Volume 2 through the following link: Isuzu 4JJ1 Engine Workshop Manual Vol 2
