John Deere 5085E, 5100E (IT4) Tractors Service Repair Manual (TM128219 and TM128319)

Table of Contents

Section 210—General Information
Group 05A—Safety
Group 05B—General References
Group 05C—Technical Specific References
Group 20—Understanding Tractor Serial Numbers
Section 211—Diagnostic Trouble Codes
Group CCU—CCU Code Diagnostics
Group ECU—ECU Code Diagnostics
Group EIC—EIC Code Diagnostics
Group ICC—ICC Code Diagnostics
Group PTR—PTR Code Diagnostics
Section 212—Observable Symptoms and System Diagnostics
Group 05B—General References
Group 20—Engine Diagnostics
Group 30—Fuel, Air Intake, Exhaust, and Cooling Diagnostics
Group 40—Electrical Diagnostics
Group 45—Electronic Control Unit Diagnostics
Group 50—Drive Systems and Transmission Diagnostics
Group 60—Steering and Brakes Diagnostics
Group 70—Hydraulic Diagnostics
Group 90—Cab/Open Operator’s Station Diagnostics
Section 220—Engine
Group 05B—General References
Group 10AA—Engine Calibrations, Preliminary Checks and Operational Checks
Group 20AA—Engine Theory of Operation
Group 30AA—Engine Schematics
Group 40AA—Engine Component and Connector Information
Group 50AA—Engine Tests and Adjustments
Section 230—Fuel, Air Intake, Exhaust, and Cooling
Group 05B—General References
Group 10AA—Fuel, Air Intake, Exhaust, and Cooling
Calibrations, Preliminary and Operational Checks
Group 20AA—Fuel, Air Intake, Exhaust, and Cooling Theory of Operation
Group 30AA—Fuel, Air Intake, Exhaust, and Cooling Schematics
Group 40AA—Fuel, Air Intake, Exhaust, and Cooling Component and Connector Information
Group 50AA—Fuel, Air Intake, Exhaust, and Cooling Tests and Adjustments
Section 240A—Electrical General and Theory of Operation
Group 05B—General References
Group 20DD—Turn Signal Switch and Warning Lights
Group 20ED—Warning and Turn Signal Lighting (License and Clearance Lights)
Group 20MA—Wipers (Two Speed)
Group 20MB—Wipers (Single Speed)
Group 20MC—Rear Wipers
Group 20PA—Instrument Cluster Control (ICC)
Group 20UA—Electrohydraulic Control Unit (EHC)
Group 20UC—Power Train Reverser (PTR)
Group 20UD—Chassis Control Unit (CCU)
Group 20VA—Engine Control Unit (ECU)
Group 20WA—Controller Area Network
Section 240B—Electrical Schematics
Group 05B—General References
Group 30AA—Key Switch, Starter and Alternator (SE1)
Group 30AC—Neutral Start (SE2)
Group 30BA—Accessory Power (SE3)
Group 30CA—Horn (SE4)
Group 30DA—Light Switch, Headlights, and Signal Lights (SE5A)
Group 30DB—Cab Work Lighting (SE5B)
Group 30DC—Open Operator Station Work Lighting (SE5C)
Group 30DD—Turn Signal Switch and Warning Lights (SE6)
Group 30EA—Light Switch, Headlights and Signal Lights (License and Clearance Lights) (SE7A)
Group 30EB—Cab Work Lighting (License and Clearance Lights) (SE7B)
Group 30ED—Warning and Turn Signal Lighting (License and Clearance Lights) (SE8)
Group 30FA—Junction Block Power (SE9)
Group 30GA—Trailer Connector (SE10)
Group 30GB—Trailer Connector (Implement Flood Light Connector) (SE11)
Group 30HA—Loader Lights (SE12)
Group 30IA—Back-Up Alarm (SE13A)
Group 30IB—Beacon Light (SE13B)
Group 30JA—Mid-Mount SCV (SE14)
Group 30KA—Power Outlets (Square Terminals) (SE15A)
Group 30KB—Power Outlets (Round Terminals) (SE15B)
Group 30LA—Heating (SE16)
Group 30LB—Air Conditioning (SE17)
Group 30MA—Wipers (Two Speed) (SE19)
Group 30MB—Wipers (Single Speed) (SE20)
Group 30MC—Rear Wipers (SE21)
Group 30NA—Dome Light, Door Switch, and Radio (SE22)
Group 30OA—Air Seat (SE23)
Group 30PA—Instrument Cluster Control (ICC) (SE24)
Group 30QA—Seat, Rear PTO and Wheel Speed (SE25A)
Group 30QB—Multi-Function Control Lever (SE25B)
Group 30RA—ELX Relay and Fuses (SE26)
Group 30SA—Mechanical Front-Wheel Drive (MFWD) (SE27)
Group 30TA—Brake Switch (SE28)
Group 30UA—Electrohydraulic Control Unit (EHC) (SE29A)
Group 30UC—Power Train Reverser Control Unit (PTR) (SE29B)
Group 30UD—Chassis Control Unit (CCU) (SE29C)
Group 30VA—Engine Control Unit (ECU) (SE30)
Group 30WA—Controller Area Network (SE32)
Section 240C—Electrical Components and Connectors
Group 05B—General References
Group 40AA—Starting and Charging (SE1)
Group 40AC—Neutral Start (SE2)
Group 40BA—Accessory Power (SE3)
Group 40CA— Horn (SE4)
Group 40DA—Light Switch, Headlights, and Signal Lights (SE5A)
Group 40DB—Cab Work Lighting (SE5B)
Group 40DC—Open Operator Station Work Lighting (SE5C)
Group 40DD—Turn Signal Switch and Warning Lights (SE6)
Group 40EA—Light Switch, Headlights and Signal Lights (License and Clearance Lights) (SE7A)
Group 40EB—Cab Work Lighting (License and Clearance Lights) (SE7B)
Group 40ED—Warning Light Switch and Turn Signal Lighting (License and Clearance Lights) (SE8)
Group 40FA—Junction Block Power (SE9)
Group 40GA—Trailer Connector (SE10)
Group 40GB—Trailer Connector (Implement Flood Light Connector) (SE11)
Group 40HA—Loader Lights (SE12)
Group 40IA—Back-Up Alarm (SE13A)
Group 40IB—Beacon Light (SE13B)
Group 40JA— Mid-Mount SCV (SE14)
Group 40KA—Power Outlets (Square Terminals) (SE15A)
Group 40KB—Power Outlets (Round Terminals) (SE15B)
Group 40LA—Heating (SE16)
Group 40LB—Air Conditioning (SE17)
Group 40MA—Wipers (Two Speed) (SE19)
Group 40MB—Wipers (Single Speed) (SE20)
Group 40MC—Rear Wipers (SE21)
Group 40NA—Dome Light, Door Switch and Radio (SE22)
Group 40OA—Air Seat (SE23)
Group 40PA—Instrument Cluster Control (ICC) (SE24)
Group 40QA—Seat, Rear PTO and Wheel Speed (SE25A)
Group 40QB—Multi-Function Control Lever (SE25B)
Group 40RA—ELX Relay and Fuses (SE26)
Group 40SA—Mechanical Front-Wheel Drive (MFWD) (SE27)
Group 40TA—Brake Switch (SE28)
Group 40UA—Electrohydraulic Control Unit (EHC) (SE29A)
Group 40UC—Power Train Reverser (PTR) (SE29B)
Group 40UD—Chassis Control Unit (CCU) (SE29C)
Group 40VA—Engine Control Unit (ECU) (SE30)
Group 40WA—Controller Area Network (SE32)
Group 40ZA—Fuses and Relays
Group 40ZB—Ground Points
Group 40ZC—Interconnects
Group 40ZD—Wiring Harnesses
Section 240D—Electrical Tests and Adjustments
Group 05B—General References
Group 50AA—Starting and Charging
Group 50AC—Neutral Start
Group 50BA—Accessory Power
Group 50CA—Horn
Group 50DA—Light Switch, Headlights, and Signal Lights
Group 50DB—Cab Work Lighting
Group 50DC—Open Operator Station Work Lighting
Group 50DD—Turn Signal Switch and Warning Lights
Group 50EA—Light Switch, Headlights and Signal Lights (License and Clearance Lights)
Group 50EB—Cab Work Lighting (License and Clearance Lights)
Group 50ED—Warning and Turn Signal Lighting (License and Clearance Lights)
Group 50FA—Junction Block Power
Group 50GA—Trailer Connector
Group 50GB—Trailer Connector (Implement Flood Light Connector)
Group 50HA—Loader Lights
Group 50IA—Back-Up Alarm
Group 50IB—Beacon Light
Group 50JA—Mid-Mount SCV
Group 50KA—Power Outlets (Square Terminals)
Group 50KB—Power Outlets (Round Terminals)
Group 50LA—Heating
Group 50LB—Air Conditioning
Group 50MA—Wipers (Two Speed)

TM128319
Section 10—General Information
Group 05—Safety
Group 10—General Specifications
Group 15—Fuel and Lubricants
Group 20—Serial Number Locations
Section 20—Engine
Group 05—Engine
Group 10—Cooling System
Section 30—Fuel, Air Intake and Exhaust Systems
Group 05—Fuel System
Group 15—Air Intake System
Group 20—Air Exhaust System
Section 40—Electrical Repair
Group 05—Battery, Starter and Alternator
Group 10—Electrical System Components
Group 15—Wiring Harnesses
Group 20—Connectors
Section 50—Power Train Repair
Group 05—Clutch Housing
Group 11—Clutch Assembly
Group 15—PowrReverser™ Transmission
Section 56—Drive System
Group 05—Differential
Group 10—Final Drives
Group 15—Rear PTO Drive Shaft
Group 20—Mechanical Front Wheel Drive
Section 60—Steering and Brake Repair
Group 05—Steering Repair
Group 10—Brake Repair
Section 70—Hydraulic Repair
Group 05—Hydraulic Pump and Filter
Group 10—Hydraulic Oil Cooler
Group 15—Rockshaft
Group 20—Rear Selective Control Valve
Group 25—Mid-Mount Selective Control Valve
Group 30—Hydraulic Lines
Group 35—Hydraulic Trailer Brake Valve
Group 40—Hydraulic System Flush
Section 80—Miscellaneous Repair
Group 15—3-Point Hitch
Group 20—Fenders
Group 25—Hood
Group 30—Wheels
Section 90—Operator Station Repair—Cab and Open Operator Station
Group 05—Seat and Support
Group 06—Roll-Gard
Group 10—Control Console and Panel
Group 20—Cab Components
Group 25—Open Operator Station
Group 30—Air Conditioning System
Group 35—Heating System
Section 99—Special Tools
Group 05—Dealer Fabricated Tools
Group 10—Service Tools Original

READ THIS MANUAL carefully to learn how to operate and service your Tractor correctly.

The John Deere 5085E, 5100E (IT4) Tractors Technical Manual is divided into two parts: repair and diagnostics.

• Repair sections: Instructions on how to repair components.
• Diagnostic sections: Help quickly identify routine failures.

This manual is intended for the Service Department, to be used in the shop and as a training text for new personnel. Regular use of this manual will minimize errors and costly delays, ensuring top-quality service work. Customers will also gain confidence seeing the manual in use, knowing approved procedures are followed.

Technical manuals are concise, on-the-job guides containing essential information for diagnosis, analysis, testing, and repair. Using the John Deere 5085E, 5100E (IT4) Tractors manual will reduce errors and delays, ensuring the best service work.