This manual pertains to the Toyota 1CD-FTV engine, an inline 4-cylinder turbocharged diesel unit known for its efficiency and reliability across various Toyota models. Featuring Common Rail Direct Injection, a DOHC 16-valve setup, and a displacement of 2.0 liters (1995 cc), this engine is engineered for robust performance. Its technical specifications, including a bore of 82.2 mm, stroke of 94.0 mm, and a compression ratio of 18.0:1, underscore its advanced design. With an estimated power output ranging from approximately 90-115 hp and torque from 180-230 Nm, it is suited for a range of demanding applications. The purpose of this comprehensive English Service Repair Manual is to provide detailed guidance for the maintenance and repair of the 1CD-FTV engine. It covers essential procedures including assembling, disassembling, and troubleshooting, alongside critical technical specifications and wiring diagrams. This manual is an indispensable resource for owners, mechanics, and technicians seeking to ensure optimal performance, longevity, and proper functioning of their Toyota vehicles equipped with this engine. It details recommended service intervals and lubrication requirements, such as API CF-4 or ACEA B3/B4 oil types and an approximate oil capacity of 5.5-6.0 liters.