This manual covers the 238, 258, 268, and 338 medium-duty commercial trucks manufactured between 2011 and 2013. These vehicles, designed for Class 5 and Class 6 vocational applications, are powered by the reliable J05E Series diesel engines, typically 5.1-liter turbocharged units offering between 210 and 260 horsepower. Known for their robust construction, versatile chassis, and efficient operation, trucks are a popular choice for fleet operators, owner-operators, and businesses requiring dependable hauling and utility. Their engineering quality, backed by a heritage as a subsidiary of Toyota Motor Corporation, ensures durability and a strong reputation for longevity when properly maintained.

This comprehensive factory service repair workshop manual provides in-depth information essential for the maintenance, diagnosis, and repair of your truck. It details procedures for all major systems, including engine mechanicals, fuel and lubrication, cooling, transmission (both automatic and manual), braking, suspension, steering, and electrical systems. The manual includes scheduled maintenance guidelines, troubleshooting charts, step-by-step repair instructions, and critical technical specifications such as torque values and fluid requirements. Its factory-level detail ensures that technicians and owners can accurately perform all necessary service tasks, from routine oil changes to complex component overhauls, keeping the vehicle in optimal operating condition.