- New
John Deere S760, S770, S780, S785, S790 STS SN 120000-135999 combine diagnostic technical manual (TM153419)
Item Number: TM153419
Models: S760, S770, S780, S785, S790 STS Combines MY2020-2022
Format: PDF
Type: Diagnostic technical manual
Pages: 7572
File size: 190.84 MB
Language: English
Date: December 2023
P.I.N.: MY2020-2022, SN 120000-135999
Table of Contents for TM153419 manual
- Contents
- Foreword
- Section 210 General
- Contents
- Safety
- Combine and Component Identification
- General Specifications
- Diagnostic and Testing Procedures
- Section 212 Observable Symptoms
- Contents
- Fuel, Air Intake, Exhaust, and Cooling Systems
- Electrical System
- Electrical Control Units
- Drives ( S760, S770)
- Drives (S780, S785, S790)
- Steering and Brakes ( S760, S770)
- Steering and Brakes (S780, S785, S790)
- Hydraulic System (S760, S770)
- Hydraulic System (S780, S785, S790)
- Corn Head Hydraulics (600C, 700C Rigid Frame)
- Folding Corn Head Hydraulics (600FC, 700FC)
- Flex Draper Hydraulics (600FD, 700FD)
- Flex Cutterbar Auger Header Hydraulics (600F)
- Rigid Draper Header Hydraulics (600D, 700D)
- Belt Pickup Header Hydraulics (615P)
- Extendable Table Header Hydraulics (600X 700X)
- Rigid Auger Header Hydraulics (600R)
- Main Gear Case (S760, S770)
- Main Gear Case (S780, S785, S790)
- Cab/Open Operator Station
- Section 220 Engine System
- Contents
- Engine Systems
- Section 230 Fuel, Air Intake, Exhaust, and Cooling Systems
- Contents
- Theory of Operation
- Schematics
- Diagnostics
- Section 239 Air Intake and Cooling System Components
- Contents
- Air Intake and Cooling System Components Summary of References
- Air Intake and Cooling System A Components
- Air Intake and Cooling System D Components
- Air Intake and Cooling System F Components
- Air Intake and Cooling System H Components
- Air Intake and Cooling System P Components
- Air Intake and Cooling System R Components
- Air Intake and Cooling System S Components
- Air Intake and Cooling System V Components
- Air Intake and Cooling System X Components
- Air Intake and Cooling System Y Components
- Section 240 Electrical System
- Contents
- General Information
- Calibration Procedures
- Theory of Operation Cab/Operator's Station
- Theory of Operation CAN Bus/Local Link Systems
- Theory of Operation Ag Management Solutions
- Theory of Operation Lighting
- Theory of Operation Engine/Fuel
- Theory of Operation Starting/Charging/Power Distribution
- Theory of Operation Header Functions Model Year 20 Headers and Older
- Theory of Operation Header Functions Model Year 21 Headers and Newer
- Theory of Operation Feeder House
- Theory of Operation Threshing/Separating/Cleaning
- Theory of Operation Grain Tank/Unloading
- Theory of Operation Residue System
- Theory of Operation Transmission/Ground Drive Systems
- Theory of Operation Hydraulic Oil/Air Compressor
- Theory of Operation Main Gearcase
- Theory of Operation Brakes
- Theory of Operation Chassis
- Schematics Cab/Operators Station
- Schematics CAN Bus/Local Link Systems
- Schematics Ag Management Solutions
- Schematics Lighting
- Schematics Engine/Fuel
- Schematics Starting/Charging/Power Distribution
- Schematics Header Functions Model Year 20 Headers and Older
- Schematics Header Functions Model Year 21 Headers and Newer
- Schematics Feeder House
- Schematics Threshing/Separating/Cleaning
- Schematics Grain Tank/Unloading
- Schematics Residue System
- Schematics Transmission/Ground Drive Systems
- Schematics Hydraulic Oil/Air Compressor
- Schematics Main Gear Case
- Schematics Brakes
- Schematics Chassis
- Diagnostics Cab/Operator's Station
- Diagnostics CAN Bus/Local Link Systems
- Diagnostics Ag Management Solutions
- Diagnostics Lighting
- Diagnostics Engine/Fuel
- Diagnostics Starting/Charging/Power Distribution
- Diagnostics Header Functions Model Year 20 Headers and Older
- Diagnostics Header Functions Model Year 21 Headers and Newer
- Diagnostics Feeder House
- Diagnostics Threshing/Separating/Cleaning
- Diagnostics Grain Tank/Unloading
- Diagnostics Residue System
- Diagnostics Transmission/Ground Drive Systems
- Diagnostics Hydraulic Oil/Pressure
- Diagnostics Main Gear Case
- Diagnostics Brakes
- Diagnostics Chassis
- Section 245 Electrical Control Units
- Contents
- General Information
- Accessing Diagnostic Trouble Codes and Addresses
- Theory of Operation
- Schematics
- Diagnostics
- AIC Diagnostic Addresses
- ATC Diagnostic Addresses
- AYM Diagnostic Addresses
- CAB Diagnostic Addresses
- CLC Diagnostic Addresses
- CRU Diagnostic Addresses
- CSM Diagnostic Addresses
- DE7 Diagnostic Addresses
- ECU Diagnostic Addresses
- EIC Diagnostic Addresses
- GLM Diagnostic Addresses
- GQM Diagnostic Addresses
- GR6 Diagnostic Addresses
- HCU Data Identifiers (DID)
- HIM Diagnostic Addresses
- IR6 Diagnostic Addresses
- JDL Diagnostic Addresses
- LC1 Diagnostic Addresses
- LC2 Diagnostic Addresses
- MHC Diagnostic Addresses
- MSC Diagnostic Addresses
- OIC Diagnostic Addresses
- PDU Diagnostic Addresses
- PTP Diagnostic Addresses
- RC1 Diagnostic Addresses
- RC2 Diagnostic Addresses
- SSU Diagnostic Addresses
- VTi Diagnostic Addresses
- VTv Diagnostic Addresses
- XMC Diagnostic Addresses
- XSC Diagnostic Addresses
- Section 249 Electrical Connector/Components
- Contents
- Electrical Connector/Components Summary of References
- General Information
- XA Electrical Assemblies
- XB Sensors
- XE Lights
- XF Fuses
- XG Charging
- XH Monitoring Devices
- XK Relays
- XM Motors
- XR Resistors
- XS Switches
- XD Diodes
- XX/GND Interconnects and Ground Points
- XY Electronically Actuated Mechanical Devices
- Header Model BPConnectors
- Header Model RD-F Connectors
- Header Model C-F, C-R Connectors
- Header Model HD Connectors
- Header Model (700X-Wide Feed) Connectors
- Section 250A Drives (S760, S770)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 250B Drives (S780, S785, S790)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 259 Drives Components
- Contents
- Drives Components Summary of References
- Section 260A Steering and Brakes (S760, S770)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 260B Steering and Brakes (S780, S785, S790)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 269 Steering and Brakes Components
- Contents
- Steering and Brakes Components Summary of References
- Section 270A Hydraulic System (S760, S770)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specification
- Theory of Operation
- Schematics
- Diagnostics
- Section 270B Hydraulic System (S780, S785, S790)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 270C Corn Head Hydraulics (600C, 700C Rigid Frame)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270D Folding Corn Head Hydraulics (600FC, 700FC)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270E Flex Draper Header Hydraulics (600FD, 700FD)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270F Flex Cutterbar Auger Header Hydraulics (600F)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270G Rigid Draper Header Hydraulics (600D, 700D)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270H Belt Pickup Header Hydraulics (615P)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270I Extendable Table Header Hydraulics (600X, 700X)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270J Rigid Auger Head Hydraulics (600R)
- Contents
- Preliminary and Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270K (C-R) Rigid Corn Header
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270L (C-F) Folding Corn Header
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270M (RD-F) Rigid Draper-Flex Knife
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270N (BP15) Belt Pick-Up Header
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation (S760, S770)
- Theory of Operation (S780, S785, S790)
- Schematics (S760, S770)
- Schematics (S780, S785, S790)
- Diagnostics (S760, S770)
- Diagnostics (S780, S785, S790)
- Section 270O (700X Wide Feed) Extendable Table Header
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation S760, S770
- Theory of Operation S780, S785, S790
- Schematics S760, S770
- Schematics S780, S785, S790
- Diagnostics S760, S770
- Diagnostics S780, S785, S790
- Section 270P (HD-Series) Hinged Draper
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation S760, S770
- Theory of Operation S780, S785, S790
- Schematics S760, S770
- Schematics S780, S785, S790
- Diagnostics S760, S770
- Diagnostics S780, S785, S790
- Section 279 Hydraulic Components
- Contents
- Hydraulic Components Summary of References
- Accumulator
- Sensor or Gauge
- Cylinder, Actuator, or Piston
- Check Valve
- Filter
- Valve Block, Assembly, or Gear Case
- Cooler
- Motor
- Orifice
- Pump
- Reservoir or Tank
- Switch
- Valve
- Mechanical Assembly
- Diagnostic Receptacle or Coupler
- Solenoid Valve
- Section 280A Main Gear Case (S760, S770)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 280B Main Gear Case (S780, S785, S790)
- Contents
- Preliminary & Operational Checks
- Hydraulic Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 289 Main Gear Case Components
- Contents
- Main Gearcase Components Summary of References
- Section 290 Cab/Open Operator's Station
- Contents
- Specifications
- Theory of Operation
- Schematics
- Diagnostics
- Section 299 Cab/Open Operator's Station Components
- Contents
- Components Summary of Reference
- Cab/Open Operator Station Components
- Section 300 Tools
- Contents
- General Information
- Diagnostic Trouble Code Test Equipment
- Electrical Systems Test Equipment
- Hydraulic Systems Test Equipment
- Cab/Operator Station Test Equipment
A Diagnostic Technical Manual is a specialized resource designed to help operators and technicians identify and resolve mechanical, electrical, and hydraulic issues. Unlike a standard repair manual, the diagnostic version focuses on troubleshooting, error code interpretation, and system testing.
What’s included in this document:
-
Detailed electrical and hydraulic schematics for precise fault finding.
-
Step-by-step diagnostic procedures for engine, transmission, and onboard electronics.
-
Descriptions of diagnostic trouble codes (DTC) and their solutions.
-
Operational tests to ensure your equipment meets factory performance standards.
Using an original diagnostic manual ensures accurate repairs, minimizes downtime, and prevents costly mistakes by identifying the root cause of equipment failure before you start replacing parts.