John Deere Self-Propelled Sprayers 4920 Diagnostic and Tests Service Manual (TM2125)
Complete Diagnosis and Tests Service manual with Electrical Wiring Diagrams for John Deere Self-Propelled Sprayers 4920, with all the workshop information to maintain, diagnose, and service like professional mechanics.
John Deere Self-Propelled Sprayers 4920 workshop Diagnostics and Tests Service manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
TM2125 - John Deere 4920 Self-Propelled Sprayers Technical Manual (Operation and Test).PDF
TM2125 - John Deere 4920 Self-Propelled Sprayers Technical Manual (Operation and Test).epub
Total Pages: 3,012 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
MAIN SECTIONS
Diagnostics Trouble Codes
FIELD DOC Basic Warning Messages
FIELD DOC Connect Warning Messages
GREENSTAR AutoTrac Assisted Steering System
GREENSTAR Display
GREENSTAR Mobile Processor
GREENSTAR Parallel Tracking
KeyCard and PC Data Storage Card
STARFIRE Receiver
STARFIRE iTC Receiver
Terrain Compensation Module
Codes By Number
Observable Symptoms
Electrical
Power Train
Brake System
Hydraulic System
Tread Adjust
Steering
Solution System
Operator Station
Foamer
Automatic Air Suspension Leveling
Engine Diagnosis and Tests
Air Intake and Cooling Systems
Electrical Diagnosis and Tests
How To Use Diagnostic Information
Diagnostic Codes and Addresses
Test Procedures and Adjustments
Agitation Diagnostics
Air Quality Diagnostics
Auxiliary Power Diagnostics
Boom Fold Unfold Diagnostics
Boom Leveling (Manual) Diagnostics
Boom Leveling (Automatic) Diagnostics
Boom Raise Lower Diagnostics
Brake Pressure Sensor Diagnostics
CAN Bus Diagnostics, Vehicle and Engine
Caution Lamp Diagnostics
Charging Diagnostics
Chassis Controller Diagnostics
Dome Light Diagnostics
Drivetrain Status Diagnostics
Dry Applicator System Diagnostics
Dry Rate Control Unit Power Diagnostics
Engine Control Unit-Overall Diagnostics
Foam Marker (Dual Drop) Diagnostics
Foam Marker (Single Drop) Diagnostics
Fuel Level Sensor Diagnostics
Tread Adjust Diagnostics
Wheel Speed Sensor Diagnostics
Wiper Diagnostics
Connector Information
Power Train Diagnosis and Tests
Brake Systems Diagnosis and Tests
Hydraulic System Diagnosis and Tests
Tread Adjust System
Steering System Diagnosis and Tests
Operator Station Diagnosis and Tests
Solution System Diagnosis and Tests
Foamer Diagnosis and Tests
Automatic Air Suspension Leveling System Diagnostics
Service Tools
tm2125 - 4920 Self-Propelled Sprayer Diagnosis and Tests
Table of Contents
Foreword
Section 210: General Information
Group 05: Safety
Recognize Safety Information
Understand Signal Words
Perform Service Safely
Wait Before Opening High-Pressure Fuel System
Service Accumulator Systems Safely
Handle Fluids Safely—Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Protect Against High Pressure Spray
Prevent Acid Burns
Wear Protective Clothing
Handle Agricultural Chemicals Safely
Service and Operate Chemical Sprayers Safely
Avoid Contact with Agricultural Chemicals
Clean Vehicle of Hazardous Pesticides
Support Machine Properly
Service Machines Safely
Practice Safe Maintenance
Avoid Harmful Asbestos Dust
Work In Ventilated Area
Work in Clean Area
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Avoid High-Pressure Fluids
Service Tires Safely
Service Cooling System Safely
Illuminate Work Area Safely
Replace Safety Signs
Use Proper Lifting Equipment
Use Proper Tools
Construct Dealer-Made Tools Safely
Decommissioning — Proper Recycling and Disposal of Fluids and Components
Live With Safety
Group 10: Specifications
Specifications
Identification Numbers
Sealants and Adhesives Cross-Reference Chart
Face Seal Fittings Assembly and Installation—All Pressure Applications
Metric Face Seal Fitting Torque Chart—Standard Pressure Applications
Metric Face Seal Fitting Torque Chart—High Pressure Applications
SAE Face Seal Fitting Torque Chart—Standard Pressure Applications
SAE Face Seal Fitting Torque Chart—High Pressure Applications
Four Bolt Flange Fittings Assembly and Installation—All Pressure Applications
SAE Four Bolt Flange Cap Screw Torque Values—Standard Pressure Applications
SAE Four Bolt Flange Cap Screw Torque Values—High Pressure Applications
External Hexagon Port Plug Torque Chart
Metric Bolt and Screw Torque Values
Unified Inch Bolt and Screw Torque Values
Group 15: Operational Checks
Before You Start
Operational Checks
Section 211: Diagnostics Trouble Codes
Group A: FIELD DOCFIELD DOC is a trademark of Deere & Company Basic Warning Messages
ID 200 - GPS communications failure
ID 201 - No GPS position information
ID 202 - No GPS differential correction
ID 245 - Data card has file left open
ID 246 - Data card full error
Group B: FIELD DOCFIELD DOC is a trademark of Deere & Company Connect Warning Messages
ID 550 - No Controller
ID 551 - Rawson Selected Warning
ID 552 - Multiple Seeding Operations
ID 553 - Incorrect Model Selected
ID 554 - Recording Not Allowed
ID 555 - Target Rate Change Warning
ID 556 - Lime and Pesticide Warning
ID 557 - Raven no Actual Warning
Group C: GREENSTARGREENSTAR is a trademark of Deere & Company AutoTrac Assisted Steering System
GREENSTAR GREENSTAR is a trademark of Deere & Company AutoTrac Assisted Steering System
050 - No SSU Communication
060 - Flash Erase Failed
061 - Flash Write Failed
227 - Automatic Steering Problem
236 - AutoTrac The operator is responsible for collision avoidance
Group D: GREENSTARGREENSTAR is a trademark of Deere & Company Display
020 - Disconnected mon/cntlr
021 - Display Conflict
022 - Language Selection Problem
030 - Too many mon/cntlrs
031 - Display Comm. Overload
033 - Display Memory Failure
050 - No SSU Communication
060 - Flash Erase Failed
061 - Flash Write Failed
110 - Check Wiring (CAN Bus)
111 - Check Wiring (CCD)
Caution - # hour service is due
Caution - 2D GPS in use - Tracking Inaccurate
Caution - AutoTrac Disabled - Key is invalid in this region
Caution - AutoTrac Disabled - Software not Compatible
Caution - Faultcode 110 - Check Wiring
Caution - Faultcode 111 - Check Wiring
Caution - Faultcode 112 - Select Standard Run Page Layout
Caution - Faultcode 113 - Incompatible mon/cntlr
Caution - GPS Updates are 1 Hz - Tracking Inaccurate
Caution - GSD and Mobile Processor software not compatible
Caution - No Differential - Tracking Disabled
Caution - No GPS - Tracking Disabled
Caution - SFire1 in use - Tracking Inaccurate
Caution - Using wheel speed instead of radar
Caution - WAAS in use - Tracking Inaccurate
Warning - ID 200 - CAN Bus Problem
Warning - ID 201 - CAN Bus Problem
Warning - ID 211 - CAN Bus Problem
Warning - ID 213 - Internal Error
Warning - ID 227 - Automatic Steering Problem
Warning - ID 230 - Display Address Change
Warning - ID 231 - CAN Bus Problem
Warning - ID 232 - CAN Bus Problem
Warning - ID 233 - Language Selection Problem.
Warning - ID 234 - CAN Bus Problem
Warning - ID 235 - CAN Bus Problem
Group E: GREENSTARGREENSTAR is a trademark of Deere & Company Mobile Processor
ID 280 - Mobile Processor switched voltage failure
ID 281 - Mobile processor unswitched voltage failure
ID 282 - Mobile Processor internal voltage failure
Group F: GREENSTARGREENSTAR is a trademark of Deere & Company Parallel Tracking
040 - No GPS Communication
041 - No GPS Differential
044 - No KeyCard
045 - No GPS
046 - No GPS
Warning - ID 220 - Parallel Tracking Problem
Warning - ID 221 - Parallel Tracking Problem
Warning - ID 224 - Parallel Tracking Problem
Warning - ID 225 - Parallel Tracking Problem
Warning - ID 226 - Parallel Tracking Problem
Group G: KeyCard and PC Data Storage Card
Warning - ID 100 - Pc card failure
Warning - ID 150 - Data card missing
Warning - ID 151 - JDOffice setup files missing
Warning - ID 152 - Data card full
Warning - ID 155 - Keycard missing
Warning - ID 156 - Keycard files missing
Warning - ID 157 - Keycard Invalid
Warning - ID 158 - Too many Keycards
Group H: STARFIRE Receiver
Warning - ID 301 - STARFIRE Network Problem
Warning - ID 302 - Receiver not receiving on alternate frequency
Warning - ID 303 - GPS correction license has expired
Warning - ID 304 - Corrected GPS position is not available
Warning - ID 305 - GPS position is not available
Warning - ID 306 - Updating GPS software
Warning - ID 308 - RTK Base Station Position Moved
Group I: STARFIRE iTC Receiver
iTC 000168.18 - RTK Base Station Voltage Low
iTC 000232.02 - Corrected GPS Position Not Available
iTC 000232.14 - RTK Extend Lost
iTC 000841.31 - Signal Interference From Satellite
iTC 000956.16 - Roll Sensor Is Out Of Normal Range
iTC 002146.13 - TCM Not Calibrated
iTC 002146.14 - iTC Temperature Sensor Out Of Range
iTC 002854.31 - RTK Rover Radio Link Lost
iTC 522338.13 - Receiver Not Receiving On Alternate Frequency
iTC 522339.31 - GPS Corrections License Expired
iTC 522552.11 - STARFIRE Network Fault
iTC 523274.02 - GPS Position Not Available
iTC 523309.07 - Yaw Sensor Out Of Range
iTC 523309.16 - Yaw Sensor Not Responding
iTC 523310.02 - Memory Fault
iTC 523319.18 - Low Switched Voltage
iTC 523441.31 - No STARFIRE Height Dimension
iTC 523442.31 - No STARFIRE Fore/Aft Set
iTC 523572.31 - Power Shutdown Fault
iTC 523773.03 - Vehicle CAN High Line Voltage High
iTC 523773.04 - Vehicle CAN High Line Voltage Low
iTC 523774.03 - Vehicle CAN Low Line Voltage High
iTC 523774.04 - Vehicle CAN Low Line Voltage Low
iTC 523792.18 - Low Unswitched Voltage
iTC 524209.16 - RTK Rover Too Far From Base Station
iTC 524210.16 - RTK Base Station Not Using Visible Satellites
iTC 524257.14 - RTK Base Station Position Survey In Progress
iTC 524257.16 - RTK Base Station Relocation
Group J: Terrain Compensation Module
956.16 - Roll sensor out of range
2028.12 - No STARFIRE Communication
2146.13 - Terrain Compensation Module not calibrated
2146.14 - Temperature sensor out of range
523309.16 - Yaw sensor out of range
523309.7 - Yaw sensor not responding
523310.2 - Memory read/write Error
523319.18 - Low switched voltage
523441.31 - No STARFIRE Height setting
523442.31 - No STARFIRE Fore/Aft setting
523572.31 - Unsafe Shutdown - parameters not stored
523773.3 - STARFIRE CAN Hi voltage out of range
523773.4 - STARFIRE CAN Hi voltage out of range
523774.3 - STARFIRE CAN Lo voltage out of range
523774.4 - STARFIRE CAN Lo voltage out of range
523792.1 - No unswitched voltage
523792.18 - Low unswitched voltage.
Caution - A TCM memory error has occurred
Caution - TCM settings not saved last shutdown. Check voltage.
Caution - TCM is not calibrated. Go to SETUP TCM to calibrate.
Caution - StarFire height is not set. Please go to SETUP TCM.
Caution - StarFire Fore/Aft not set. Please go to SETUP TCM.
Warning - 956.16 Roll Sensor - The Roll Sensor is out of normal operating range. Position is not being corrected.
Warning - 2028.12 StarFire Communication - The StarFire is not communicating with the TCM
Warning - 2146.14 Temperature Sensor - The TCM Temperature Sensor is out of normal operating range. Position is not being corrected.
Warning - 523309.16 Yaw Sensor - The Yaw Sensor is out of normal operating range. Vehicle course is not being corrected.
Warning - 523309.7 Yaw Sensor - The Yaw Sensor is not responding. Vehicle course is not being corrected.
Warning - 523319.18 System Voltage - The TCM is operating with low switched voltage. Check wiring.
Warning - 523792.1 System Voltage - The TCM is operating with no unswitched voltage. IMU settings will not be saved. Check wiring.
Warning - 523792.18 System Voltage - The TCM is operating with low unswitched voltage. Check wiring.
Group K: Codes By Number
CCU 000070.02 - Park Brake Switch Fault
CCU 000091.03 - Throttle Sensor Circuit Voltage High
CCU 000091.04 - Throttle Sensor Circuit Voltage Low
CCU 000096.01 - Fuel Level Low
CCU 000096.05 - Fuel Sensor Circuit Open
CCU 000096.06 - Fuel Sensor Circuit Grounded
CCU 000158.00 - CCU Switched Supply Voltage High
CCU 000158.01 - CCU Switched Supply Voltage Low
CCU 000628.12 - CCU Programming
CCU 000629.12 - Chassis Control Unit Fault
CCU 000630.02 - CCU Calibration Fault or Data Invalid
CCU 000639.14 - CAN 1 Error Limit Exceeded
CCU 000697.06 - Left Front Wheel Motor Output Circuit Failure
CCU 000698.06 - Right Front Wheel Motor Output Circuit Fault
CCU 000699.06 - Left Rear Wheel Motor Output Circuit Fault
CCU 000700.06 - Right Rear Wheel Motor Output Circuit Fault
CCU 000767.02 - Reverse Multifunction Control Handle Fault
CCU 000903.02 - Forward Multifunction Control Handle Fault
CCU 001044.05 - Forward or Reverse Pump Output Circuit Open
CCU 001044.06 - Forward or Reverse Pump Output Circuit Short
CCU 001079.00 - CCU Sensor Supply Voltage Very High
CCU 001079.01 - CCU Sensor Supply Voltage Very Low
CCU 001079.03 - CCU Sensor Supply Voltage High
CCU 001079.04 - CCU Sensor Supply Voltage Low
CCU 001231.14 - CAN 2 Error Limit Exceeded
CCU 001504.02 - Operator Seat Switch Fault
CCU 001592.02 - Left Front Wheel Speed Sensor Frequency Invalid
CCU 001593.02 - Right Front Wheel Speed Sensor Frequency Invalid
CCU 001594.02 - Left Rear Wheel Speed Sensor Frequency Invalid
CCU 001595.02 - Right Rear Wheel Speed Sensor Frequency Invalid
CCU 002000.09 - ECU Message Missing
CCU 002225.09 - SRC Message Missing
CCU 002246.09 - Multifunction Control Handle Message Missing
CCU 522345.03 - Propulsion Control 2 Circuit Open
CCU 522345.04 - Propulsion Control 2 Circuit Short
CCU 523440.00 - Chassis Control Unit Unswitched Voltage High
CCU 523440.01 - Chassis Control Unit Unswitched Voltage Low
CCU 523953.03 - Propulsion Control 1 Circuit Open
CCU 523953.04 - Propulsion Control 1 Circuit Short
CCU 523953.13 - Propulsion Control Circuit Out of Calibration
DRC 000158.00 - DRC System Voltage High
DRC 000158.01 - DRC System Voltage Low
DRC 000630.02 - EEROM Check Sum Error
DRC 001079.00 - DRC Sensor Voltage High
DRC 001079.01 - DRC Sensor Voltage Low
DRC 001079.03 - DRC Sensor Voltage Short
DRC 001079.04 - DRC Sensor Voltage Short
DRC 002071.09 - CCU Message Missing
DRC 395000.03 - Belt Conveyor 2 Speed Sensor Failure Warning
DRC 523393.02 - Belt 1 Speed Problem
DRC 523394.02 - Spinner Speed Problem
SRC 000158.00 - SRC Switched Supply Voltage High
SRC 000158.01 - SRC Switched Supply Voltage Low
SRC 000628.12 - SRC Programming
SRC 000629.12 - SRC Control Unit Fault
SRC 000630.02 - SRC Calibration Fault/Data Invalid
SRC 000639.14 - SRC CAN Message Overflow
SRC 001079.00 - SRC Sensor Supply 1 Voltage Very High
SRC 001079.01 - SRC Sensor Supply 1 Voltage Very Low
SRC 001079.03 - SRC Sensor Supply 1 High
SRC 001079.04 - SRC Sensor Supply 1 Voltage Low
SRC 002071.09 - CCU Message Missing
SRC 522316.03 - Boom Height Sensor Voltage High
SRC 522316.04 - Boom Height Sensor Voltage Low
SRC 522316.13 - Boom Height Sensor Calibration Fault
SRC 522372.03 - Right Inner Boom Sensor Voltage High
SRC 522372.04 - Right Inner Boom Sensor Voltage Low
SRC 522372.13 - Right Inner Boom Sensor Calibration Fault
SRC 522377.03 - Right Outer Boom Sensor Voltage High
SRC 522377.04 - Right Outer Boom Sensor Voltage Low
SRC 522377.13 - Right Outer Boom Sensor Calibration Fault
SRC 522378.03 - Left Inner Boom Sensor Voltage High
SRC 522378.04 - Left Inner Boom Sensor Voltage Low
SRC 522378.13 - Left Inner Boom Sensor Calibration Fault
SRC 522380.03 - Left Outer Boom Sensor Voltage High
SRC 522380.04 - Left Outer Boom Sensor Voltage Low
SRC 522380.13 - Left Outer Boom Sensor Calibration Fault
SRC 523372.05 - Left 3 Spray Section Circuit Open
SRC 523372.06 - Left 3 Spray Section Circuit Grounded
SRC 523372.07 - Left 3 Valve Not Responding
SRC 523373.03 - System Ground 6 Sensor Voltage High
SRC 523374.03 - System Ground 5 Sensor Voltage High
SRC 523375.03 - System Ground 4 Sensor Voltage High
SRC 523376.03 - System Ground 3 Sensor Voltage High
SRC 523377.03 - System Ground 2 Sensor Voltage High
SRC 523378.03 - System Ground 1 Sensor Voltage High
SRC 523379.03 - System Ground 7 Sensor Voltage High
SRC 523381.07 - Eductor/Bypass Valve Not responding
SRC 523382.07 - Agitation/Rinse Valve Not Responding
SRC 523383.07 - Rinse Tank Valve Not Responding
SRC 523384.07 - Center Spray Valve Not Responding
SRC 523385.05 - Right 3 Spray Section Circuit Open
SRC 523385.06 - Right 3 Spray Section Circuit Grounded
SRC 523385.07 - Right 3 Spray Valve Not Responding
SRC 523386.05 - Right 2 Spray Section Circuit Open
SRC 523386.05 - Right 2 Spray Section Circuit Grounded
SRC 523386.07 - Right 2 Spray Valve Not Responding
SRC 523387.05 - Right 1 Spray Section Circuit Open
SRC 523387.06 - Right 1 Spray Section Circuit Grounded
SRC 523387.07 - Right Spray Valve Not Responding
SRC 523388.05 - Right Fence Spray Valve Circuit Open
SRC 523388.06 - Right Fence Spray Valve Circuit Grounded
SRC 523389.05 - Left Fence Spray Valve Circuit Open
SRC 523389.06 - Left Fence Spray Valve Circuit Grounded
SRC 523390.05 - Left 2 Spray Section Circuit Open
SRC 523390.06 - Left 2 Spray Section Circuit Grounded
SRC 523390.07 - Left 2 Spray Valve Not Responding
SRC 523391.05 - Left 1 Spray Section Circuit Open
SRC 523391.06 - Left 1 Spray Section Circuit Grounded
SRC 523391.07 - Left 1 Spray Valve Not Responding
SRC 523393.02 - Flow Meter 2 Fault
SRC 523394.02 - Flow Meter 1 Fault
SRC 523859.03 - Solution Pressure Sensor Voltage High
SRC 523859.04 - Solution Pressure Sensor Voltage Low
SSU 000168.03 - SSU Unswitched Supply Voltage High
SSU 000168.04 - SSU Unswitched Supply Voltage Low
SSU 177.09 - Transmission oil temperature
SSU 000517.09 - GPS Speed Fault
SSU 000628.02 - SSU EOL Data Fault
SSU 000629.12 - SSU Control Unit Fault
SSU 000630.13 - SSU Calibration Fault/Not Calibrated
SSU 001079.03 - SSU Sensor Supply Voltage High
SSU 001079.04 - SSU Sensor Supply Voltage Low
SSU 001504.07 - Seat Switch Fault
SSU 001504.09 - Operator Presence Message Missing
SSU 001504.14 - Operator Not Seated While AutoTrac Active
SSU 001638.09 - Oil Temperature Fault
SSU 001807.02 - Steering Wheel Position Sensor 1 Conflict
SSU 001807.03 - Steering Wheel Position Sensor 1 Circuit Voltage High
SSU 001807.04 - Steering Wheel Position Sensor 1 Circuit Voltage Low
SSU 001807.05 - Steering Wheel Position Sensor 1 Circuit Current Low
SSU 001807.06 - Steering Wheel Position Sensor 1 Circuit Current High
SSU 001807.07 - Uncommanded WAS Motion
SSU 001807.10 - Steering Wheel Position Sensor 1 Signal Mismatch
SSU 001807.14 - Steering Wheel Position Sensor 1 Signal Fault
SSU 522273.00 - SSU Steering Valve Control Circuit Command High
SSU 522273.01 - SSU Steering Valve Control Circuit Command Low
SSU 522387.07 - AutoTrac Wheel Angle Sensor or Steering Valve Fault
SSU 522394.09 - TCM Message Missing
SSU 523651.02 - Control Unit Fault
SSU 523698.09 - AMS Display Message Missing or GREENSTAR Display Message Missing
SSU 523766.02 - AutoTrac Activation Code Invalid
SSU 523767.09 - Resume Switch Message Missing
SSU 523795.02 - AutoTrac Steering Valve Workport Connection Backwards
SSU 523795.12 - AutoTrac Steering Valve Fault
SSU 523795.13 - SSU Calibration Fault/Steering Valve
SSU 523810.01 - SSU Steering Valve Supply Voltage Low
SSU 523821.02 - Vehicle Mismatch
SSU 523823.00 - Speed Too Fast For AutoTrac
SSU 523824.03 - Steering Wheel Position Sensor 2 Circuit Voltage High
SSU 523824.04 - Steering Wheel Position Sensor 2 Circuit Voltage Low
SSU 523824.05 - Steering Wheel Position Sensor 2 Circuit Current Low
SSU 523824.06 - Steering Wheel Position Sensor 2 Circuit Current High
SSU 523824.10 - Steering Wheel Position Sensor 2 Signal Mismatch
SSU 523824.14 - Steering Wheel Position Sensor 2 Signal Fault
SSU 523826.00 - SSU Fault: WAS High
SSU 523826.01 - SSU Fault: WAS Low
SSU 523826.02 - SSU Fault: WAS Inverted
SSU 523826.07 - SSU Fault: SSU WAS Range
SSU - 523826.10 - SSU - Wheel motion detcted with no SID motion (WAS)
SSU 523826.14 - SSU Fault: WAS Low Motion
Section 212: Observable Symptoms
Group 240: Electrical
Section 240 Common Links
Agitation Diagnostics
Air Quality Diagnostics
Auxiliary Power Diagnostics
Boom Fold Unfold Diagnostics
Boom Leveling Diagnostics
Boom Raise Lower Diagnostics
Brake Pressure Sensor Diagnostics
CAN Bus Diagnostics, Vehicle and Engine
Caution Lamp Diagnostics
Charging Diagnostics
Chassis Controller Diagnostics
Dome Light Diagnostics
Drivetrain Status Diagnostics
Dry Applicator System Diagnostics
Engine Control Unit-Overall Diagnostics
Foam marker (Dual Drop) Diagnostics
Foam Marker (Single Drop) Diagnostics
Fuel Level Sensor Diagnostics
GREENSTAR AMS Component CAN Network Diagnostics
GREENSTAR AUTOTRAC Diagnostics
GREENSTAR Caution Messages
GREENSTAR Display Diagnostics
GREENSTAR Fault Codes-Access Through Display
GREENSTAR Fault Codes
GREENSTAR FIELD DOC Diagnostics
GREENSTAR Keycard and PC Data Storage Card Diagnostics
GREENSTAR Mobile Processor Diagnostics
GREENSTAR Parallel Tracking
RTK Type Identification
RTK with STARFIRE iTC Diagnostics Type A
RTK with STARFIRE Original Diagnostics Type B
STARFIRE Receiver Identification
STARFIRE iTC Diagnostics - Type A
STARFIRE Original Diagnostics Type B
STARFIRE Original with TCM Diagnostics Type C
GREENSTAR WARNING Messages
Ground System Diagnostics
Horn Diagnostics
Hydraulic Oil Temperature Sensor Diagnostics
Hydrostatic Ground Drive Diagnostics
Ladder Diagnostics
Lighter Diagnostics
Lighting Diagnostics
Load Sense Jam Valve
Operator Presence Switch Diagnostics
Park Brake Diagnostics
Power Diagnostics
Radio and Clock Diagnostics
Radar Sensor Diagnostics
Seat Adjust Diagnostics
Solution Control Diagnostics
Solution Pressure Diagnostics
Solution Pump Diagnostics
Spray Control Diagnostics
Spray Rate Diagnostics
Spray Rate Controller Power Diagnostics
Start Aid Diagnostics
Starting System Diagnostics
Stop Lamp Diagnostics
Tank Level Switch Diagnostics
Throttle Diagnostics
Traction Control Diagnostics
Tread Adjust Diagnostics
Wheel Speed Sensor Diagnostics
Wiper Diagnostics
Group 250: Power Train
Section 250 Common Links
Final Drive Diagnostics
Hydrostatic Drive Diagnostics
Group 260: Brake System
Section 260 related Information
Park Brake Diagnostics
Service Brakes Diagnostics
Group 270: Hydraulic System
Section 270 Related Information
Basic Hydraulic System Diagnostics
Boom Fold and Unfold Diagnostics
Boom Left Hand Leveling Diagnostics
Boom Raise and Lower Diagnostics
Boom Right Hand Leveling Diagnostics
Dry Application System Diagnostics
Full Boom Breakaway Diagnostics
Ladder Diagnostics
Solution Pump Diagnostics
Group 275: Tread Adjust
Section 275 Related Information
Tread Adjust Diagnostics
Group 280: Steering
Section 280 Related Information
Steering Diagnostics
Group 300: Solution System
Solution System other Related Information
Eductor Diagnostics Solution System
Erratic Rate Diagnostics Solution System
Over or Under Application Diagnostics Solution System
Loading Diagnostics Solution System
Rinse Diagnostics Solution System
Solution System Pressure Diagnostics
Group 290: Operator Station
Section 290 Related Information
Air Conditioning and Heating Diagnostics
Group 310: Foamer
Section 310 Related Information
Foam Marker Diagnostics
Group 320: Automatic Air Suspension Leveling
Automatic Air Suspension leveling System Diagnostics
Section 220: Engine Diagnosis and Tests
Group 05: General Information
General Information
Group 10: Test Procedures and Adjustments
Test Procedures and Adjustments
Section 230: Air Intake and Cooling Systems
Group 05: General Information
General Information
Section 240: Electrical Diagnosis and Tests
Group 05A: Service Equipment and Tools
Recommended Tools
Group 05B: Glossary
Electrical Component Identification
Group 05C: SPRAYSTAR Display Operation Guide
SPRAYSTAR Display Operation Guide
Group 05D: How To Use Diagnostic Information
How to Use the Electrical Diagnostic Section
Intermittent Fault Diagnostics
Group 10A: Diagnostic Codes and Addresses
Codes and Addresses
DRC Addresses
DRC Diagnostic Trouble Codes
Group 10B: Test Procedures and Adjustments
Conveyor Actuator Test
Conveyor Speed Sensor Test
Dry Spreader Bin Level Sensor Test
Electric Solution Control Valve Test Procedures
Boom Shutoff Valve Mechanical Check
Hydrostatic Drive Wheel Motor Electrical Test
Spinner Speed Sensor Test
Spinner Calibration
Group 10C: Calibration Procedures
Hydro Calibration Procedure
Group 15A: Agitation Diagnostics
Theory of Operation
Agitation Schematic
Agitation Diagnostics
Group 15B: Air Quality Diagnostics
Theory of Operation
Air Quality Schematic
Air Quality Diagnostics
Group 15C: Auxiliary Power Diagnostics
Theory of Operation
Auxiliary Power Schematic
Auxiliary Power Diagnostics
Group 15D: Boom Fold Unfold Diagnostics
Theory of Operation
Boom Fold and Unfold Electrical Schematics
Boom Fold Unfold Diagnostics
Group 15E: Boom Leveling (Manual) Diagnostics
Theory of Operation
Boom Leveling Schematics
Boom Leveling Diagnostics
Group 15F: Boom Leveling (Automatic) Diagnostics
Automatic Boom Leveling (BoomTrac Pro) Theory of Operation
Automatic Boom Leveling (BoomTrac Pro) Schematic
Automatic Boom Leveling (BoomTrac Pro) Diagnostics
Group 15G: Boom Raise Lower Diagnostics
Theory of Operation
Boom Raise/Lower Electrical Schematic
Boom Raise/Lower Diagnostics
Group 15H: Brake Pressure Sensor Diagnostics
Theory of Operation
Brake Pressure Sensor Schematic
Brake Pressure Sensor Diagnostics
Group 15I: CAN Bus Diagnostics, Vehicle and Engine
Theory of Operation
CAN Bus Schematic
CAN Bus Diagnostics, Vehicle and Engine
Group 15J: Caution Lamp Diagnostics
Theory of Operation
Caution Lamp Schematic
Caution Lamp Diagnostics
Group 15K: Charging Diagnostics
Theory of Operation
Charging System Schematic
Charging System Diagnostics
Temperature Correction Chart
Group 15L: Chassis Controller Diagnostics
Theory of Operation
Chassis Controller Schematics
Chassis Control Unit Diagnostics
Group 15M: Dome Light Diagnostics
Theory of Operation
Dome Lamp Schematic
Voltage Checks
Group 15N: Drivetrain Status Diagnostics
Theory of Operation
Drivetrain Status Schematic
Drivetrain Status Diagnostics
Group 15O: Dry Applicator System Diagnostics
Dry Spreader Theory of Operation (New Leader Control Unit)
Dry Spreader Theory of Operation (John Deere Control Unit)
Dry Box Applicator Schematic (New Leader Control Unit)
Dry Spreader Control Schematic (John Deere Control Unit)
Dry Spreader Electrical Diagnostics (New Leader Control Unit)
Dry Spreader Electrical Diagnostics (John Deere Control Unit)
Group 15P: Dry Rate Control Unit Power Diagnostics
Dry Rate Control Unit (DRC) Theory of Operation
Dry Rate Control Unit Power Schematic
Dry Rate Control Unit Power Diagnostics
Group 15Q: Engine Control Unit-Overall Diagnostics
Theory of Operation
Engine Control Unit Schematic
CAN Bus Schematic
Engine Air Filter Switch Schematic
Engine Coolant Sensor Schematic
Engine Fuel Injector Electrical Schematic
Engine Fuel Pressure Sensor Electrical Schematic
Engine Pump Control Valves Electrical Schematic
Engine Fuel Temperature Sensor Schematic
Engine Intake Air Temperature Sensor Schematic
Engine Oil Pressure Switch Schematic
Engine Fuel Pump Position Sensor Schematic
Engine Speed Sensor Schematic
Engine Water in Fuel Sensor Schematic
Engine Control Unit Diagnostics
Group 15R: Foam Marker (Dual Drop) Diagnostics
Theory of Operation
Foam Marker (Dual Drop) Schematic
Foam Marker Diagnostics-Dual Drop
Group 15S: Foam Marker (Single Drop) Diagnostics
Theory of Operation
Foam Marker (Single Drop) Schematic
Foamer Diagnostics-Single Drop
Group 15T: Fuel Level Sensor Diagnostics
Theory of Operation
Fuel Level Sensor Schematic
Fuel Level Sensor Diagnostics
Group 15U: GREENSTAR, AMS Component CAN Network Diagnostics
Theory of Operation
CAN Bus Schematic
CAN Bus Diagnostics-AMS Applications
Group 15V: GREENSTAR AUTOTRAC Diagnostics
Theory of Operation
Steering System Check and Calibration Procedure
SSU Diagnostic Trouble Codes
AutoTrac Schematics
AutoTrac Diagnostics
Group 15W: GREENSTARGREENSTAR is a trademark of Deere & Company Caution Messages
GREENSTAR Caution Messages
Group 15X: GREENSTARGREENSTAR is a trademark of Deere & Company Display Diagnostics
Theory of Operation
Electrical Schematic
Greenstar Display Diagnostic Trouble Codes
GREENSTAR GREENSTAR is a trademark of Deere & Company Display Diagnostics
Group 15Y: GREENSTARGREENSTAR is a trademark of Deere & Company Fault Codes-Access Through Display
Accessing GREENSTAR Fault Codes
Group 15Z: GREENSTARGREENSTAR is a trademark of Deere & Company Fault Codes
GREENSTAR Fault Codes
Group 15AA: GREENSTARGREENSTAR is a trademark of Deere & Company FIELD DOCFIELD DOC is a trademark of Deere & Company Diagnostics
Theory of Operation
Schematics
FIELD DOC FIELD DOC is a trademark of Deere & Company Diagnostics
Group 15AB: GREENSTARGREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics
Theory of Operation
Schematic
GREENSTAR GREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics
Group 15AC: GREENSTARGREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics
Theory of Operation
Schematic
GREENSTAR GREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics
Group 15AD: GREENSTARGREENSTAR is a trademark of Deere & Company Parallel Tracking
Theory of Operation
Schematic
Parallel Tracking Type A Diagnostics
Group 15AE: RTK (Real Time Kinematic) Type Identification
RTK with STARFIRE STARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A
RTK with STARFIRE STARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B
Group 15AF: RTK with STARFIRE iTC Diagnostics - Type A
Theory of Operation
Schematics
RTK with STARFIRE iTC Diagnostics - Type A
Group 15AG: RTK with STARFIRE (Original) Diagnostics - Type B
Theory of Operation
Schematics
RTK with STARFIRE (Original) Diagnostics - Type B
Group 15AH: STARFIRESTARFIRE is a trademark of Deere & Company Receiver Identification
STARFIRE iTC Diagnostics - Type A
STARFIRE (Original) Diagnostics - Type B
STARFIRE (Original) with TCM Diagnostics - Type C
Group 15AI: STARFIRESTARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A
Theory of Operation
Electrical Schematic
STARFIRE STARFIRE is a trademark of Deere & Company iTC Diagnostics - Type A
Group 15AJ: STARFIRESTARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B
Theory of Operation
Schematics
STARFIRE STARFIRE is a trademark of Deere & Company (Original) Diagnostics - Type B
Group 15AK: STARFIRESTARFIRE is a trademark of Deere & Company (Original) with TCM Diagnostics - Type C
Theory of Operation - Type C
Electrical Schematic - Type C
STARFIRE (Original) with TCM Diagnostics - Type C
Group 15AL: GREENSTARGREENSTAR is a trademark of Deere & Company WARNING Messages
GREENSTAR Warning Messages
Group 15AM: Ground System Diagnostics
Theory of Operation
Schematic
Machine Ground Point Location
Diagnostics
X100 - X199 — Ground Point Connector Number Information
X200 - X299 — Ground Point Connector Number Information
X500 - X599— Ground Point Connector Number Information
X600 - X699 — Ground Point Connector Number Information
X700 - X799 — Ground Point Connector Number Information
Group 15AN: Horn Diagnostics
Theory of Operation
Horn Circuit Schematic
Voltage Checks
Group 15AO: Hydraulic Oil Temperature Sensor Diagnostics
Theory of Operation
Hydraulic Oil Temperature
Hydraulic Oil Temperature Sensor Schematic
Hydraulic Oil Temperature Sensor Diagnostics
Group 15AP: Hydrostatic Ground Drive Diagnostics
Theory of Operation
Hydrostatic Ground Drive Control Electrical Schematics
Hydrostatic Ground Drive Control Electrical Diagnostics
Group 15AQ: Ladder Diagnostics
Theory of Operation
Ladder Schematic
Group 15AR: Lighter Diagnostics
Theory of Operation
Lighter Circuit Schematic
Voltage Checks
Group 15AS: Lighting Diagnostics
Theory of Operation
Lights Schematic
Group 15AT: Load Sense Jam Valve
Theory of Operation
Load Sense Jam Valve Schematic
Load Sense Jam Valve Diagnostics
Group 15AU: Operator Presence Switch Diagnostics
Theory of Operation
Schematic
Group 15AV: Park Brake Diagnostics
Theory of Operation
Park Brake Electrical Schematics
Park Brake Diagnostics
Group 15AW: Power Diagnostics
Theory of Operation
V1- Diode Block
Power System Schematic
Group 15AX: Radio and Clock Diagnostics
Theory of Operation
Radio and Clock Schematic
Voltage Checks
Group 15AY: Radar Sensor Diagnostics
Theory of Operation
Radar Sensor Schematic
Radar Sensor Diagnostics
Group 15AZ: Seat Adjust Diagnostics
Theory of Operation
Seat Adjust Schematic
Seat Adjust Diagnostics
Group 15BA: Solution Control Diagnostics
Theory of Operation
Solution Control System Schematic
Electric Solution Control Valve Test Procedures
Solution Control System Diagnostics
Group 15BB: Solution Pressure Diagnostics
Theory of Operation
Solution Pressure Schematics
Solution Pressure Diagnostics
Group 15BC: Solution Pump Diagnostics
Theory of Operation
Solution Pump Schematics
Solution Pump Diagnostics
Group 15BD: Spray Control Diagnostics
Theory of Operation
Spray Control Schematics
Spray Control Diagnostics
Group 15BE: Spray Rate Diagnostics
Theory of Operation
Spray Rate Schematic
Spray Rate Diagnostics
Group 15BF: Spray Rate Controller Power Diagnostics
Theory of Operation
Spray Rate Controller Power Schematics
Spray Rate Controller Power and Ground System Diagnostics
Group 15BG: Start Aid Diagnostics
Theory of Operation
Electrical Schematics
Start Aid Diagnostics
Group 15BH: Starting System Diagnostics
Theory of Operation
Starting System Schematic
Starting System Diagnostics
Group 15BI: Stop Lamp Diagnostics
Theory of Operation
Stop Lamp Schematic
Stop Lamp Diagnostics
Group 15BJ: Tank Level Switch Diagnostics
Theory of Operation
Tank Level Switch Schematic
Tank Level Switch Diagnostics
Group 15BK: Throttle Diagnostics
Theory of Operation
Throttle Schematic
Throttle Diagnostics
Group 15BL: Traction Control Diagnostics
Theory of Operation
Traction Control Electrical Schematic
Traction Control Diagnostics
Group 15BM: Tread Adjust Diagnostics
Theory of Operation
Tread Adjust Schematic
Tread Adjust Diagnostics
Group 15BN: Wheel Speed Sensor Diagnostics
Theory of Operation
Wheel Speed Sensor Schematic, SN 4001-XXXX
Wheel Speed Sensor Schematic, SN XXXX-4000
Wheel Speed Sensor Diagnostics
Group 15BO: Wiper Diagnostics
Theory of Operation
Wiper Schematic
Voltage Checks
Group 20: Connector Information
X100 - X199 — Connector Number Information
X200 - X299 — Connector Number Information
X400 - 499— Connector Number Information
X500 - X599— Connector Number Information
X600 - X699 — Connector Number Information
X700 - X799 — Connector Number Information
Section 250: Power Train Diagnosis and Tests
Group 05: General Information
General Information
Hydrostatic System Component Glossary
Hydrostatic Drive Specifications
Power Train Operational Checkout
Group 10: Test Procedures and Adjustments
Test Charge Pressure Relief Valve
Adjust Charge Pressure Relief Valve on Front Pump
Test - Forward and Reverse Charge Pressure
Independent Front and Rear Charge Pump Test
Hydrostatic Pump Stall Test
Independent Front and Rear Hydrostatic Main Pump Test
Adjust Hydrostatic Forward High Pressure
Hydrostatic Pumps Pressure Difference Test
Servo Valve Pressure Test
Test - Case Drain Flow of FRONT Motors For Hydrostatic Pumps
Test - Case Drain Flow of REAR Motors For Hydrostatic Pumps
Test Hydrostatic System with All Wheel Motor Solenoids Unplugged
Test Hydrostatic Wheel Motor with One Motor Electrically Connected
Group 15A: Final Drive Diagnostics
Theory of Operation
Final Drive Schematic
Final Drive Diagnostics
Group 15B: Hydrostatic Drive Diagnostics
Theory of Operation
Hydrostatic Schematic
Hydrostatic Drive Diagnostics
Group 20: Component Location
Component Location
Section 260: Brake Systems Diagnosis and Tests
Group 05: General Information
General Information
Group 10: Brake System Tests
Service Brake Pressure Test - Using SPRAYSTAR SPRAYSTAR is a trademark of Deere & Company Display
Service Brake Pressure Test - Using Pressure Gauge
Bleeding Service Brakes
Park Brake Release Pressure Test
Park Brake Wheel Hub Release Test
Group 15A: Park Brake Diagnostics
Theory of Operation
Park Brake Schematic
Park Brake Diagnostics
Group 15B: Service Brakes Diagnostics
Theory of Operation
Service Brake Schematic
Service Brake Diagnostics
Group 20: Component Location
Component Location
Section 270: Hydraulic System Diagnosis and Tests
Group 05: General Information
General Information
Hydraulic System Component Glossary
Hydraulic Operational Checks
Group 10: Test Procedures and Adjustments
Adjust Conveyor Valve Flow
Test and Adjust Standby Pressure
Test and Adjust Compensator Pressure
Test Proportional Valve and Solution Pump Hydraulic Flow Rate
Hydraulic Pump Auxiliary Flow Test
Test Hydraulic Load Sense System
Test Full Boom Breakaway System Pressure
Group 15A: Basic Hydraulic System Diagnostics
Theory of Operation
Basic Hydraulic System Schematic
Hydraulic System Basic Diagnostics
Group 15B: Boom Fold and Unfold Diagnostics
Theory of Operation
Boom Fold and Unfold Schematic
Boom Fold and Unfold Diagnostics
Group 15C: Boom Left-Hand Leveling Diagnostics
Theory of Operation
Boom Left-Hand Leveling Hydraulic Schematic
Boom Left-Hand Leveling Diagnostics
Group 15D: Boom Raise and Lower Diagnostics
Theory of Operation
Boom Raise and Lower Hydraulic Schematic
Boom Raise and Lower Diagnostics
Group 15E: Boom Right Hand Leveling Diagnostics
Theory of Operation
Boom Right Hand Leveling Hydraulic Schematic
Boom Right-Hand Leveling Diagnostics
Group 15F: Dry Application System Diagnostics
Dry Spreader Hydraulic Theory of Operation
Combination Valve Port Locations
Dry Application System Checkout
Group 15G: Full Boom Breakaway Diagnostics
Theory of Operation
Full Boom Breakaway Schematic
Full Boom Breakaway Hydraulic Diagnostics
Group 15H: Ladder Diagnostics
Theory of Operation
Ladder Schematic
Ladder Diagnostics
Group 15I: Solution Pump Diagnostics
Theory of Operation
Hydraulic Schematic
Solution Pump Hydraulic Diagnostics
Group 20: Component Location
Hydraulic Components Identification
Section 275: Tread Adjust System
Group 05: General Information
General Information
Tread Adjust Operation Checks
Group 10: Test Procedures and Adjustments
Test Procedures and Adjustments
Adjust Tread Adjust Shims
Group 15: Tread Adjust Diagnostics
Theory of Operation
Tread Adjust Hydraulic Schematic
Tread Adjust Diagnostics
Tread Adjust Valve Block
Group 20: Component Location
Boom Control Valve Solenoid Identification
Section 280: Steering System Diagnosis and Tests
Group 05: General Information
General Information
Specifications
Steering System Component Identification
Steering System Operation Checks
Group 10: Steering Test Procedures and Adjustments
Steering Valve Load Sense Relief Test
Adjust Load Sense Pressure Relief on AUTO - TRAC Steering Valve
Adjust Load Sense Pressure Relief NON AUTO - TRAC Steering Valve
Toe Control Valve Relief Test
Steering Cylinder Leak Test
Check Front Axle Toe-In
Adjust Front Axle Toe-In
Group 15A: Steering Diagnostics
Theory of Operation
Steering Hydraulic Schematic
Steering System Diagnostics
Group 20: Component Location
Boom Control Valve Solenoid Identification
Section 290: Operator Station Diagnosis and Tests
Group 05: General Information
General Information
Group 10: Test Procedures and Adjustments
Pressure and Leak Testing The Air Conditioning System
Group 15: Air Conditioning and Heating Diagnostics
Theory of Operation
Air Conditioning Schematic
Air Conditioning Diagnostics
Group 20: Component Location
Air Conditioning System Components
Section 300: Solution System Diagnosis and Tests
Group 05: General Information
General Information
Group 10: Test Procedures and Adjustments
Chemicals, avoid contact
Solution System Checks
Checking Solution Pump Dead Head Pressure
Check Flowmeter Calibration
Solution System Valve Mechanical Check
Group 15A: Eductor Diagnostics
Theory of Operation
Solution System Schematic
Solution System Eductor Diagnostics
Group 15B: Erratic Rate Diagnostics
Theory of Operation
Solution System Schematic
Solution System Erratic Rate Diagnostics
Group 15C: Over or Under Application Diagnostics
Theory of Operation
Solution System Schematic
Solution System Over or Under Application Diagnostics
Group 15D: Loading Diagnostics
Theory of Operation
Solution System Schematic
Solution System Loading Diagnostics
Group 15E: Rinse Diagnostics
Theory of Operation
Solution System Schematic
Solution System Rinse Diagnostics
Group 15F: Solution System Pressure Diagnostics
Theory of Operation
Solution System Schematic
Solution System Pressure Diagnostics
Group 20: Component Location
Solution System Component Location
Section 310: Foamer Diagnosis and Tests
Group 05: General Information
General Information
Group 10: Test Procedures and Adjustments
Test Procedures and Adjustments
Group 15: Foam Marker Diagnostics
Theory of Operation
Foam Marker Schematics
Foamer Diagnostic Procedure (On Board Air Supply)
Section 320: Automatic Air Suspension Leveling System Diagnostics
Group 15: Automatic Air Suspension Leveling System Diagnostics
Theory of Operation
Schematic
Diagnostics
Section 399: Service Tools
Group 05: Dealer Fabricated Tools
DFRW130—Relay Circuit Test Lead
Group 10: Service Tools and Kits
38H1146 — -6 ORFS Plug
38H1415 — -6 ORFS Cap
JDG10393 Support Stand
JDG10477 — Wheel Motor Test Harness
JT02156A — Digital Pressure and Temperature Analyzer
JT02158 — Digital Pressure and Temperature Analyzer
JT02159 — 20 ft Cable
JT02160 — 10,000 PSI Transducer
JT02162 — 5000 PSI Transducer
JT03413 — Supplemental Flow Test Kit
JT05418 — Industrial Flow Test Kit
JT05690 — Straight Fitting (1 1/16-12 M 37° x 1 3/16-12 F ORFS)
JT05709 — Reflective Tape
JT05719 — Hand Held Digital Tachometer
JT05845 — 2-Speed Hand Pump
JT07148—Digital Hydraulic Tester
JT07260 — ORFS Adapter Hydraulic Test Kit
John Deere Self-Propelled Sprayers 4920 Diagnostic and Tests Service Manual (TM2125)