John Deere 4940 Self-Propelled Sprayers Diagnostic Manual (TM113519)

Table of Contents:
   Introduction
      Foreword
   General Information
      Safety
      Machine Specifications
      Machine Dimensions
      Component Serial Number Locations
   Diagnostic Trouble Codes (DTC)
      Automatic Temperature Control Unit (ATC)
      Boom Hydraulic Control Unit (BHC)
      Chassis Control Unit (CCU)
      Dry Rate Control Unit (DRC)
      Engine Control Unit (ECU) - iT4 Engine
      Engine Control Unit (ECU) - Tier 2 Engine
      Load Command Control Unit (LCC)
      Spray Rate Control Unit (SRC)
      Steering System Control Unit (XMC)
      Steering System Control Unit (XSC)
      Row Guidance Controller (RG3)
      VTi - Virtual Terminal ISOBUS
   Observable Symptoms and System Diagnostics
      Engine
      Fuel and Air Intake
      Electrical
      Control Units
      Power Train
      Steering and Brakes
      Hydraulic and Suspension
      Solution System
      Dry Application System
      Operator Station
   Engine
      General Information
      Theory of Operation
      Schematics
      Diagnostics
   Engine Component Location
      Component Location
   Fuel and Air Intake
      General Information
      Theory of Operation
      Schematics
      Diagnostics
   Fuel and Air Intake Component Location
      Component Location
   Electrical
      General Information
      Calibration Procedures
      Starting, Charging, and Power Distribution Theory of Operation
      Lighting Theory of Operation
      Cab Electrical Theory of Operation
      Application System Theory of Operation
      GreenStar Theory of Operation
      Engine Electrical Theory of Operation
      Power Train Electrical Theory of Operation
      Hydraulic Electrical Theory of Operation
      Display Theory of Operation
      CAN Bus Theory of Operation
      Starting, Charging, and Power Distribution Schematics
      Lighting Schematics
      Cab Electrical Schematics
      Application System Schematics
      GreenStar Schematics
      Engine Electrical Schematics
      Power Train Electrical Schematics
      Hydraulic Electrical Schematics
      Display Schematics
      CAN Bus Schematics
      Starting, Charging, and Power Distribution Diagnostics
      Lighting Diagnostics
      Cab Electrical Diagnostics
      Application System Diagnostics and Tests
      GreenStar Diagnostics and Tests
      Engine Electrical Diagnostics and Tests
      Power Train Electrical Diagnostics and Tests
      Hydraulic Electrical Diagnostics and Tests
      Display Diagnostics and Tests
      CAN Bus Diagnostics and Tests
   Control Units
      General Information
      Theory of Operation
      Schematics
      Diagnostics and Tests
      ATC Addresses
      BHC Addresses
      CCU Addresses
      DRC Addresses
      ECU Addresses
      LCC Addresses
      SRC Addresses
      SSU Addresses
   Electrical Connector Location
      X001-X099 Connector Location
      X100-X199 Connector Location
      X200-X299 Connector Location
      X300-X399 Connector Location
      X400-X499 Connector Location
      X500-X599 Connector Location
      X600-X699 Connector Location
      X700-X799 Connector Location
      X900-X999 Connector Location
   Power Train
      General Information
      Theory of Operation
      Schematic
      Diagnostics and Tests
   Power Train Component Location
      Component Location
   Steering and Brakes
      General Information
      Brakes Theory of Operation
      Steering Theory of Operation
      Schematics
      Diagnostics and Tests
   Hydraulic, Suspension, and Pneumatics
      General Information
      Theory of Operation
      Schematic
      Diagnostics and Tests
   Hydraulic, Suspension, and Pneumatics Component Location
      Component Location - A
      Component Location - C
      Component Location - D
      Component Location - F
      Component Location - G
      Component Location - M
      Component Location - O
      Component Location - P
      Component Location - R
      Component Location - V
      Component Location - X
      Component Location - Y
   Application System
      General Information
      Theory of Operation
      Schematics
      Diagnostics and Tests
   Application System Component Location
      Component Location
   Operator Station
      General Information
      Theory of Operation
      Schematics
      Diagnostics and Tests
   Operator Station Component Location
      Component Location
   Special Tools
      Dealer Fabricated Tools
      Service Tools and Kits
   AutoTrac RowSense and AutoTrac Vision
      Theory of Operation
      Schematic
      Diagnostic
   AutoTrac RowSense and Vision - Electrical Component Information
      Electrical Assemblies
      Sensors
      Fuses
      Interconnects and Ground Points