John Deere 8245R 8270R 8295R 8320R 8335R 8345R 8370R & 8400R Tractors Diagnostics and Test Manual TM119019 30AUG23

Table of contents
FOREWORD
Section 210 – GENERAL INFORMATION
Group 05A – Safety
Group 05B – General References
Group 05C – References for Technical Information
Group 05D – Diagnostic Philosophy
Section 211 – DIAGNOSTIC TROUBLE CODES
Group AIC – Armrest Interface Control Software Diagnostic Trouble Codes (AIC)
Group ASU – ActiveSeat™ Control Software Diagnostic Trouble Codes (ASU)
Group ATC – Automatic Temperature Control Software Diagnostic Trouble Codes (ATC)
Group CCU – Chassis Control Software Diagnostic Trouble Codes (CCU)
Group CLC – Cab Load Center Software Diagnostic Trouble Codes (CLC)
Group CRU – Radio Software Diagnostic Trouble Codes (CRU)
Group CSC – Cab Suspension Control Software Diagnostic Trouble Codes (CSC)
Group CSM – Cab Switch Module Software Diagnostic Trouble Codes (CSM)
Group ECU – Engine Control Software Diagnostic Trouble Codes (ECU)
Group EIC – Engine Interface Control Software Diagnostic Trouble Codes (EIC)
Group FCC – Front Console Control Software Diagnostic Trouble Codes (FCC)
Group HCC – Hitch Control Software Diagnostic Trouble Codes (HCC)
Group HV1 – Hitch Valve Software Diagnostic Trouble Codes (HV1)
Group ICA – Vehicle Security Control Software Diagnostic Trouble Codes (ICA)
Group JDL – JDLink™ Software Diagnostic Trouble Codes (JDL)
Group OIC – Operator Interface Control Software Diagnostic Trouble Codes (OIC)
Group PDU – Primary Display Software Diagnostic Trouble Codes (PDU)
Group PTF – Front PTO Control Software Diagnostic Trouble Codes (PTF)
Group PTI – AutoPowr™ / IVT™ Transmission Control Software Diagnostic Trouble Codes (PTI)
Group PTP_23SPD – e23™ Transmission Control Software Diagnostic Trouble Codes (PTP)
Group PTP_16SPD – 16-Speed Powershift Transmission Control Software Diagnostic Trouble Codes
(PTP)
Group RLC – Roof Lighting Control Software Diagnostic Trouble Codes (RLC)
Group RPT – Rear PTO Control Software Diagnostic Trouble Codes (RPT)
Group SCC – SCV Control Software Diagnostic Trouble Codes (SCC)
Group SCO – Secondary Hydraulic Control Software Diagnostic Trouble Codes (SCO)
Group SFA – Suspended Front Axle Control Software Diagnostic Trouble Codes (SFA)
Group SV1 – SCV I Control Software Diagnostic Trouble Codes (SV1)
Group SV2 – SCV II Control Software Diagnostic Trouble Codes (SV2)
Group SV3 – SCV III Control Software Diagnostic Trouble Codes (SV3)
Group SV4 – SCV IV Control Software Diagnostic Trouble Codes (SV4)
Group SV5 – SCV V Control Software Diagnostic Trouble Codes (SV5)
Group SV6 – SCV VI Control Software Diagnostic Trouble Codes (SV6)
Group SVJ – Front Hitch SCV Control Software Diagnostic Trouble Codes (SVJ)
Group SVN – Front SCV XIV Control Software Diagnostic Trouble Codes (SVN)
Group SVO – Front SCV XV Control Software Diagnostic Trouble Codes (SVO)
Group TEC-TEI – Tractor Equipment Control Software Diagnostic Trouble Codes (TEC/TEI)
Group TII – AutoPowr™ / IVT™ Transmission Shift Control Software Diagnostic Trouble Codes (TII)
Group TIP – Powershift Transmission Shift Control Software Diagnostic Trouble Codes (TIP)
Group VLC – Vehicle Load Center Control Software Diagnostic Trouble Codes (VLC)
Group VTI – Virtual Terminal Implement Control Software Diagnostic Trouble Codes (VTI)
Group VTV – Virtual Terminal Vehicle Control Software Diagnostic Trouble Codes (VTV)
Group XMA – ActiveCommand Steering (ACS™) A-Box Main Control Software Diagnostic Trouble Codes
(XMA)
Group XMB – ActiveCommand Steering (ACS™) B-Box Main Control Software Diagnostic Trouble Codes
Group XMC – AutoTrac™ Main Control Software Diagnostic Trouble Codes (XMC)
Group XSA – ActiveCommand Steering (ACS™) A-Box Supervisor Control Software Diagnostic Trouble
Codes (XSA)
Group XSB – ActiveCommand Steering (ACS™) B-Box Supervisor Control Software Diagnostic Trouble
Codes (XSB)
Group XSC – AutoTrac™ Supervisor Control Software Diagnostic Trouble Codes (XSC)
Section 212 – OBSERVABLE SYMPTOM AND SYSTEM DIAGNOSTICS
Group 05 – General References
Group 30 – Fuel, Air Intake, Exhaust, and Cooling
Group 40 – Electrical
Group 45 – Electronic Control Units
Group 50A – AutoPowr™ / IVT™ Transmission
Group 50B – e23™ Transmission
Group 50C – 16-Speed Powershift Transmission (PST)
Group 50D – Drivetrain
Group 60A – Brakes
Group 60B – Steering
Group 70 – Hydraulics
Group 80 – Suspension
Group 90 – Operator Station
Section 220 – ENGINE
Group 05 – General Information
Group 20 – Theory of Operation
Group 50 – Diagnostic Tests and Adjustments
Section 229 – ENGINE COMPONENT INFORMATION
Group 05 – General Information
Group 40 – Engine Component Location
Section 230 – FUEL, AIR INTAKE, EXHAUST, AND COOLING
Group 05 – General Information
Group 20 – Theory of Operation
Group 30 – Schematic
Section 239 – FUEL, AIR INTAKE, EXHAUST, AND COOLING COMPONENT INFORMATION
Group 05 – General Information
Group 40A – Fuel, Air Intake and Exhaust System Component Location
Group 40B – Cooling System Component Location
Section 240 – ELECTRICAL
Group 05 – General Information
Group 20 – Theory
Group 30 – Electrical System Wiring Diagrams
Group 50AA – Starting and Charging
Group 50BA – Road Lighting
Group 50BB – Field Lighting
Group 50BC – Interior Lighting
Group 50CA – ActiveSeat™
Group 50CB – Standard and Heated Seat
Group 50DA – Audible Alerts
Group 50DB – Windshield Wipers
Group 50DC – Operator Station
Group 50DE – Remote Mirrors
Group 50DF – Radio
Group 50EA – Accessory Power Connectors
Group 50FA – AutoPowr™ / IVT™ Transmission
roup 50FB – e23™ Transmission
Group 50FC – 16-Speed Powershift Transmission
Group 50GA – Differential Lock
Group 50GB – MFWD
Group 50GC – PTO
Group 50GD – Front PTO
Group 50HA – Engines
Group 50IA – GreenStar™ Display and Implement CAN Bus
Group 50IB – AMS Technology
Group 50JA – Rear SCV’s and Rear Hitch
Group 50JB – Front Hitch and Front SCV’s
Group 50KA – Suspended Front Axle
Group 50KB – Cab Suspension
Group 50LA – Air Trailer Brakes
Group 50LB – Secondary Brakes
Group 50LC – Front Brakes
Group 50MA – HVAC (Automatic)
Group 50NA – Steering
Group 50OA – Controller Area Network (CAN)
Section 245 – ELECTRONIC CONTROL UNITS
Group 05 – General Information
Group 10 – Interactive Tests and Calibrations
Group 30 – Control Unit Schematics
Group 50A – Armrest Control Unit Tests
Group 50B – Automatic Temperature Control Unit Tests
Group 50C – Cab Control Unit Tests
Group 50D – Generation 4 CommandCenter™ Control Unit Tests
Group 50E – Corner Post Display Control Unit Tests
Group 50F – Engine Control Unit Tests
Group 50G – 4100 and 4600 Processor Control Unit Tests
Group 50H – Front Chassis Control Unit Tests
Group 50J – Rear Chassis Control Unit Tests
Group 50K – Roof Control Unit Tests
Group 50L – Steering Control Unit Tests
Group AIC – Armrest Interface Control Software Addresses (AIC)
Group ASU – ActiveSeat™ Control Software Addresses (ASU)
Group ATC – Automatic Temperature Control Software Addresses (ATC)
Group CCU – Chassis Control Software Addresses (CCU)
Group CLC – Cab Load Center Software Addresses (CLC)
Group CRU – Radio Control Software (CRU)
Group CSC – Cab Suspension Control Software Addresses (CSC)
Group CSM – Cab Switch Module Software Addresses (CSM)
Group ECU – Engine Control Software Addresses (ECU)
Group EIC – Engine Interface Control Software Addresses (EIC)
Group FCC – Front Console Control Software Addresses (FCC)
Group HCC – Hitch Control Software Addresses (HCC)
Group HV1 – Hitch Valve Software Addresses (HV1)
Group ICA – Vehicle Security Control Software Addresses (ICA)
Group JDL – JDLink™ Software Addresses (JDL)
Group OIC – Operator Interface Control Software Addresses (OIC)
Group PDU – Primary Display Software Addresses (PDU)
Group PTF – Front PTO Control Software Addresses (PTF)
Group PTI – AutoPowr™ / IVT™ Transmission Control Software Addresses (PTI)
Group PTP-23SPD – e23™ Transmission Control Software Addresses (PTP)
Group PTP-16SPD – 16-Speed Powershift Transmission Control Software Addresses (PTP)
Group RLC – Roof Lighting Control Software Addresses (RLC)
Group RPT – Rear PTO Control Software Addresses (RPT)
Group SCC – SCV Control Software Addresses (SCC)
Group SCO – Secondary Hydraulic Control Software Addresses (SCO)
Group SFA – Suspended Front Axle Control Software Addresses (SFA)
Group SV1 – SCV I Control Software Addresses (SV1)
Group SV2 – SCV II Control Software Addresses (SV2)
Group SV3 – SCV III Control Software Addresses (SV3)
Group SV4 – SCV IV Control Software Addresses (SV4)
Group SV5 – SCV V Control Software Addresses (SV5)
Group SV6 – SCV VI Control Software Addresses (SV6)
Group SVJ – Front Hitch SCV Control Software Addresses (SVJ)
Group SVN – Front SCV XIV Control Software Addresses (SVN)
Group SVO – Front SCV XV Control Software Addresses (SVO)
Group TEC-TEI – Tractor Equipment Control Software Addresses (TEC/TEI)
Group TII – AutoPowr™ / IVT™ Transmission Shift Control Software Addresses (TII)
Group TIP – Powershift Transmission Shift Control Software Addresses (TIP)
Group VLC – Vehicle Load Center Control Software Addresses (VLC)
Group VTI – Virtual Terminal Implement Control Software Addresses (VTI)
Group VTV – Virtual Terminal Vehicle Control Software Addresses (VTV)
Group XMA – ActiveCommand Steering (ACS™) A-Box Main Control Software Addresses (XMA)
Group XMB – ActiveCommand Steering (ACS™) B-Box Main Control Software Addresses (XMB)
Group XMC – AutoTrac™ Main Control Software Addresses (XMC)
Group XSA – ActiveCommand Steering (ACS™) A-Box Supervisor Control Software Addresses (XSA)
Group XSB – ActiveCommand Steering (ACS™) B-Box Supervisor Control Software Addresses (XSB)
Group XSC – AutoTrac™ Supervisor Control Software Addresses (XSC)
Section 249 – ELECTRICAL COMPONENT INFORMATION
Group 05 – General Information
Group 40A – Electrical Assemblies
Group 40B – Sensors
Group 40C – Condensors/Capacitors
Group 40E – Lights
Group 40F – Fuses
Group 40G – Charging
Group 40H – Monitoring Devices
Group 40K – Relays
Group 40M – Motors
Group 40S – Switches
Group 40V – Diodes
Group 40W – Wiring Harnesses
Group 40X – Interconnects and Ground Points
Group 40Y – Electronically Actuated Mechanical Devices
Section 250A – AUTOPOWR™ / IVT™ TRANSMISSION
Group 05 – General Information
Group 10 – Operational and Preliminary Checks
Group 20 – Theory of Operation
Group 30 – Schematic
Group 50 – Diagnostic Tests and Adjustments
Section 250B – E23™ TRANSMISSION
Group 05 – General Information
Group 10 – Operational and Preliminary Checks
Group 20 – Theory of Operation
Group 30 – Schematic
Group 50 – Diagnostic Tests and Adjustments
Section 250C – 16-SPEED POWERSHIFT TRANSMISSION (PST)
Group 05 – General Information
Group 10 – Operational and Preliminary Checks
Group 20 – Theory of Operation
Group 30 – Schematic
Group 50 – Diagnostic Tests and Adjustments
Section 250D – DRIVETRAIN
Group 05 – General Information
Group 10A – Axles and Differential Lock Operation and Preliminary Checks
Group 20A – Axles and Differential Lock Theory of Operation
Group 30A – Axles and Differential Lock Schematic
Group 50A – Axles and Differential Lock Diagnostic Tests and Adjustments
Group 10B – MFWD Operation and Preliminary Checks
Group 20B – MFWD Theory of Operation
Group 30B – MFWD Schematic
Group 50B – MFWD Diagnostic Tests and Adjustments
Group 10C – PTO Operation and Preliminary Checks
Group 20C – PTO Theory of Operation
Group 30C – PTO Schematic
Group 50C – PTO Diagnostic Tests and Adjustments
Section 259 – DRIVETRAIN COMPONENT INFORMATION
Group 05 – General Information
Group 40A – AutoPowr™ / IVT™ Transmission Components
Group 40B – e23™ Transmission Components
Group 40C – 16-Speed PowerShift Transmission (PST) Components
Group 40D – Drivetrain Components
Section 260A – BRAKES
Group 05 – General Information
Group 10 – Operational and Preliminary Checks
Group 20 – Theory of Operations
Group 30 – Schematic
Group 50 – Diagnostic Tests and Adjustments
Section 260B – STEERING
Group 05 – General Information
Group 10 – Operational and Preliminary Checks
Group 20 – Theory of Operation
Group 30 – Schematic
Group 50 – Diagnostic Tests and Adjustments
Section 269 – STEERING AND BRAKES COMPONENT INFORMATION
Group 05 – General Information
Group 40A – Brake Components
Group 40B – Steering Components
Section 270 – HYDRAULICS
Group 05 – General Information
Group 10 – Operational and Preliminary Checks
Group 20 – Theory of Operation
Group 30 – Schematic
Group 50 – Diagnostic Tests and Adjustments
Section 279 – HYDRAULICS COMPONENT INFORMATION
Group 05 – General Information
Group 40 – Hydraulic Components
Section 280 – SUSPENSION
Group 05 – General Information
Group 10A – Suspended Front Axle—Operational and Preliminary Checks
Group 20A – Suspended Front Axle—Theory of Operation
Group 30A – Suspended Front Axle Schematic
Group 50A – Suspended Front Axle—Diagnostic Tests and Adjustments
Group 10B – Cab Suspension—Operational and Preliminary Checks
Group 20B – Cab Suspension—Theory of Operation
Group 30B – Cab Suspension Schematic
Group 50B – Cab Suspension—Diagnostic Tests and Adjustments
Section 289 – SUSPENSION COMPONENT INFORMATION
Group 05 – General Information
Group 40 – Suspension Components
Section 290 – CAB AND OPEN OPERATOR’S STATION
Group 05 – General Information
Group 10A – HVAC Operational and Preliminary Checks
Group 20A – HVAC System Theory of Operation
Group 30A – HVAC—Schematic
Group 50A – HVAC Diagnostic Tests and Adjustments
Group 10B – Seat Operational and Preliminary Checks
Group 20B – Seat Theory of Operation
Group 30B – Seat Schematic
Group 50B – Seat Diagnostic Tests and Adjustments
Section 299 – CAB AND OPEN OPERATOR’S STATION COMPONENT INFORMATION
Group 05 – General Information
Group 40 – Cab and Open Operator’s Station Components
Section 300 – TOOLS
Group 05 – General Information
Group 05A – Dealer Fabricated Tools
Group 30 – Fuel, Air Intake, Exhaust, and Cooling—Install Test Equipment
Group 50A – AutoPowr™ / IVT™ Transmission—Install Test Equipment
Group 50B – e23™ Transmission — Install Test Equipment
Group 50C – 16-Speed PowerShift Transmission (PST)—Install Test Equipment
Group 70 – Hydraulics—Install Test Equipment
Group 80 – Suspension—Install Test Equipment
Group 90 – Cab and Open Operator’s Station—Install Test Equipment