John Deere 313, 315, CT315 Diagnostics: TM10605 Operation & Test Manual
TM10605
John Deere 313, 315, CT315 SkidSteer Loader Technical Manual

The John Deere TM10605 Operation and Test Manual is the definitive technical authority for diagnosing and testing 313, 315, and CT315 Skid Steer Loaders. This comprehensive guide provides expert-level troubleshooting for hydrostatic systems, electrical circuit diagrams, and engine performance testing. By utilizing the specific Diagnostic Trouble Codes (DTCs) and operational checkout procedures, technicians can pinpoint mechanical failures and electronic glitches, ensuring your Skid Steer maintains maximum productivity and safety on the job site.
| Section | System Category | Group / Diagnostic Focus |
|---|---|---|
| 9000 | General Information | Safety Protocols & Operational Standards |
| 9001 | Diagnostics | Engagement & Monitor Unit Diagnostic Trouble Codes |
| 9005 | Operational Checkout | Systematic Operational Checkout Procedures |
| 9010 | Engine System | Theory of Operation, Diagnostics, and Field Tests |
| 9015 | Electrical System | System Diagrams, Sub-System Diagnostics & References |
| 9020 | Power Train | Drive Theory, Diagnostic Info, and Performance Tests |
| 9025 | Hydraulic System | Fluid Power Theory, Diagnostics, and Component Tests |
| 9026 | Hydrostatic System | Specialized Hydrostatic Theory and Diagnostic Testing |
| 9031 | Heating System | HVAC Theory of Operation and System Diagnostics |
Professional Diagnostic Resource for Skid Steer Maintenance
This technical manual is engineered as a concise, on-the-job guide containing the vital information required for high-level diagnosis, analysis, and repair. To optimize service efficiency, the documentation is divided into two specialized parts: Repair sections, which provide detailed component restoration, and Operation and Tests, designed to help you identify and resolve routine failures rapidly.
Because John Deere skid steer loaders are manufactured in various configurations for global markets, this manual emphasizes the use of Product Identification Numbers (PIN) to ensure you are utilizing the correct data for your specific machine. Whether you are troubleshooting the hydrostatic drive or mapping complex electrical system diagrams, the TM10605 provides the factory-spec tolerances and summary listings of essential tools needed to return your equipment to service with minimal downtime.