John Deere PowerTech Plus 9.0L Diesel Engines Level 14 Electronic Fuel System (CTM385 26SEP07)

John Deere PowerTech Plus 9.0L Diesel Engines Level 14 Electronic Fuel System With Denso HPCR Technical Manual (CTM385 26SEP07)

This comprehensive technical manual provides detailed service, repair, and troubleshooting information for the John Deere PowerTech Plus 9.0L Diesel Engines with Level 14 Electronic Fuel System and Denso High-Pressure Common Rail (HPCR). It includes diagnostics, fuel system maintenance, ECU programming, and component servicing to ensure optimal performance.

File Format: PDF

Size: 8.87 MB

No. of pages: 1344

Language: English

Delivery Method: Instant Download – Access your file immediately after purchase.

📑 Table of Contents Overview:

General Information

• Engine serial number and identification
• OEM engine option code and emissions regulations
• Fuel, lubricants, and coolant specifications
• Handling and storing diesel fuel safely

Electronic Fuel System Repair and Adjustments

• Fuel system pressure relief procedures
• Fuel filter, transfer pump, and high-pressure fuel pump servicing
• High-pressure common rail (HPCR) maintenance
• Electronic injector cleaning and installation

Electronic Engine Control System

• ECU maintenance and wiring harness diagnostics
• Sensors servicing (fuel rail pressure, oil pressure, manifold air, turbo speed, etc.)
• Throttle system adjustments and calibration
• Electronic air system and exhaust gas recirculation (EGR) valve operation

Theory of Operation

• Fuel transfer pump and high-pressure fuel pump operation
• Turbocharger and variable geometry turbo (VGT) system
• Exhaust gas recirculation (EGR) system
• Engine control system communication (CAN bus)

Diagnostics and Troubleshooting

• Fuel system performance testing
• ECU fault codes and resolution procedures
• Engine misfire and power loss diagnostics
• Charge air and turbo system component testing

Specifications and Wiring Diagrams

• Unified inch and metric torque values
• Fuel injector and sensor calibration data
• 9.0L 12V and 24V wiring diagrams
• Instrument panel and ECU connection schematics

For complete service information, also see:

POWERTECH 9.0 L Diesel Engines — Base Engine .......... CTM400
Alternators and Starter Motors .......... CTM77
OEM Engine Accessories .......... CTM67 (English Only)

This John Deere PowerTech Plus 9.0L Diesel Engines Level 14 Electronic Fuel System Technical Manual is an essential resource for technicians, mechanics, and diesel engine specialists, offering comprehensive diagnostics, repair instructions, and maintenance procedures to ensure peak engine performance.