Technical Workshop Guide: John Deere S540, S680, S690 Diagnostics Service Manual
Need to fix your equipment? This professional service guide is the official resource for expert mechanics. It includes specific electrical wiring diagrams and hydraulic troubleshooting steps tailored for this specific model.
This technical documentation for the Brand series provides OEM specifications, torque settings, and assembly instructions.
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What's inside this Brand manual?
- Engine Overhaul
- Transmission Specs
- Hydraulic Schematics
- Electrical Diagrams
- Diagnostic Codes
- Maintenance Intervals
John Deere S540, S680, S690 Diagnostics Service Manual
John Deere S540 S680 S690 Combine Diagnostic and Tests Service Manual
TM80391
Complete Table of Contents Breakdown:
00 – General Information & Safety
Specifications (Dimensions, Capacities, Weights)
Maintenance Interval Charts (Critical Schedules)
General Safety Procedures & Towing Instructions
Serial Number Locations
📑 Table of Contents Overview:
- General Information & Safety
- Safety precautions and procedures
Combine identification and general specifications
Diagnostic and testing procedures
Diagnostic Trouble Codes (DTCs) - Engine control unit (ECU) codes for T2, T3, and iT4 engines
ATC, AYM, CAB, CRU, CSM, PTP, SSU, VTi system codes
Hydraulic, electrical, and power distribution fault codes
Observable Symptoms & Troubleshooting - Engine performance issues
Hydraulic system failures
Electrical and control unit malfunctions
Cab climate control diagnostics
Electrical System & Control Units - CAN Bus diagnostics
Engine, fuel, and power distribution circuits
Lighting and Ag Management Solutions (AMS)
Wiring diagrams and schematics
Engine & Cooling System - Air intake and cooling system components
Fan speed control and radiator diagnostics
Fuel injection system troubleshooting
Compression tests and turbocharger diagnostics
Hydraulic System - Pressure regulation and testing
Header lift and feeder house hydraulics
Steering and braking hydraulic circuits
Residue system hydraulic operation
Transmission & Drives - Main Gearcase diagnostics
Ground drive and traction control systems
Transmission performance tests
Adjustments and calibration procedures
Cab & Operator Station - Climate control and air conditioning system
Display monitor diagnostics
Electrical connectors and control modules
Steering, Brakes, & Chassis - Steering angle sensor adjustments
Brake pressure and hydraulic function testing
Chassis control unit troubleshooting
JOHN DEERE S540, S550, S660, S670, S680, S690 Combines Diagnostics and Tests Service Manual TM80391