John Deere Tractors 8120, 8220, 8320, 8420 & 8520 Diagnosis and Tests Service Technical Manual (TM1980)
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Model:
Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 2WD or MFWD Tractors 8120, 8220, 8320, 8420 & 8520, with all the shop information to maintain, diagnose, and service like professional mechanics.
John Deere Tractors 8120, 8220, 8320, 8420, 8520 workshop Diagnosis & Tests technical 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.
tm1980 - John Deere 8120, 8220,8320, 8420, and 8250 Tractors Operation and Test Technical Manual.pdf
tm2776 - John Deere Traktoren 8120, 8220, 8320, 8420 und 8520 Wirkungsweise und Prüfungen.pdf
tm2778 - John Deere Činnost a testy traktorů 8120, 8220, 8320, 8420, a 8520.pdf
tm2781 - John Deere Funzionamento e prove per trattori serie 8120, 8220, 8320, 8420 e 8520.pdf
tm2782 - John Deere Tracteurs 8120, 8220, 8320, 8420 et 8520 Fonctionnement et contrôles.pdf
tm2829 - John Deere Эксплуатация и проверка тракторов 8120, 8220, 8320, 8420 и 8520.pdf
tm2830 - John Deere Operação e Teste de Tratores 8120, 8220, 8320, 8420 e 8520.pdf
PRODUCT DETAILS:
Total Pages: 4,542 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Category: Operation and Test
Language: English German Czech Italian French Russian Portuguese
Published on 2019/08/16
MAIN SECTIONS
Foreword
GENERAL
Safety
General References
SERVICE CODES
ACU Code Diagnostics
AMS General Diagnostic Codes
ASU Code Diagnostics
ATC Code Diagnostics
CCU Code Diagnostics
ECU Code Diagnostics
EHo Code Diagnostics
HCU Code Diagnostics
ICU Code Diagnostics
JdL Code Diagnostics
PCU Code Diagnostics
SCU Code Diagnostics
SCo Code Diagnostics
SSU Code Diagnostics
SUP Code Diagnostics
OBSERVABLE SYMPTOMS
Axles
Electrical
Ag Management Solutions (AMS)
Hitch
Heating, Ventilation and Air Conditioning (Standard)
Heating, Ventilation and Air Conditioning - CLIMATRAK™ (ATC) (-010000)
Heating, Ventilation and Air Conditioning - CLIMATRAK™ (ATC) (010001-)
Operator Station
Power Take-Off
Selective Control Valve
Steering
Transmission
Hydraulics
SYSTEM DIAGNOSIS
Electrical
Transmission
Drive Systems
Steering and Brake Systems
Hydraulic System
CLIMATRAK™ (ATC) System (010001-)
Heated Seat
ENGINE
Operational Checks
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
FUEL AND AIR
Theory of Operation
ELECTRICAL
Tests and Adjustments
Theory of Operation
Schematics and Diagrams
CONTROL UNITS
Service Codes
ACU References
ASU References
CLIMATRAK™ (ATC) References
CCU References
ECU References
EHo References
HCU References
ICU References
Implement Management System (IMS) References
PCU References
SCU References
SCo References
SSU References
SUP References
AG MANAGEMENT SOLUTIONS (AMS) - GREENSTAR™
GREENSTAR™ System References
AG MANAGEMENT SOLUTIONS (AMS)-JDLINK™
Accessing Diagnostic Addresses and Codes
Diagnostic Trouble Codes
Diagnostic Addresses
JDLINK™ Machine Messenger Diagnostics
AG MANAGEMENT SOLUTIONS (AMS) - AUTOTRAC
How to Use This Diagnostic Information
Accessing Diagnostic Addresses and Codes
Diagnostic Trouble Codes
AutoTrac Identification
AutoTrac Diagnostics - 8000 Series Factory Installed
AutoTrac Diagnostics - 8000 Series Field Installed
GREENSTAR™ Parallel Tracking Identification
Parallel Tracking Diagnostics - 8000 Series Factory Installed
Parallel Tracking Diagnostics - 8000 Series Field Installed
GREENSTAR™ Display Diagnostics
GREENSTAR™ Mobile Processor Diagnostics
STARFIRE™ Receiver Diagnostics
GREENSTAR™ KeyCard Diagnostics
AutoTrac CAN Bus Identification
AutoTrac CAN Bus Diagnostics - 8000 Series Factory Installed
AutoTrac CAN Bus Diagnostics - 8000 Series Field Installed
AutoTrac CCD Bus Identification
AutoTrac CCD Bus Diagnostics - 8000 Series Factory Installed
AutoTrac CCD Bus Diagnostics - 8000 Series Field Installed
AutoTrac Power Identification
AutoTrac Power Diagnostics - 8000 Series Factory Installed
AutoTrac Power Diagnostics - 8000 Series Field Installed
AutoTrac Status Identification
AutoTrac Status Diagnostics - 8000 Series Factory Installed
AutoTrac Status Diagnostics - 8000 Series Field Installed
AutoTrac Steering Response Identification
AutoTrac Steering Response Diag. - 8000 Series Factory Installed
AutoTrac Steering Response Diag. - 8000 Series Field Installed
AutoTrac Steering Control Unit Identification
AutoTrac Steering Control Unit Diag - 8000 Series Factory Installed
AutoTrac Steering Control Unit Diag - 8000 Series Field Installed
Circuit Code Listing
Connector Information
AG MANAGEMENT SOLUTIONS (AMS) -FIELD DOC™
GPS Position and StarFire Receiver Operation and Tests
FIELD DOCFIELD DOC is a trademark of Deere & Company Basic Operation and Tests
POWERSHIFT TRANSMISSION
Operational Checks
Tests And Adjustments
Theory of Operation
Schematics and Diagrams
DRIVE SYSTEMS
Tests And Adjustments
Theory of Operation
Schematics and Diagrams
STEERING AND BRAKES
Preliminary Checks
Operational Checks
Tests And Adjustments
Theory of Operation
Schematics and Diagrams
HYDRAULIC SYSTEM
Preliminary Checks
Operational Checks
Tests And Adjustments
Theory of Operation
Schematics and Diagrams
OPERATOR STATION
Preliminary Checks
Operational Checks
Tests And Adjustments
Theory Of Operation
Schematics and Diagrams
TOOLS
Fabricated Tools
Test Kits
TABLE OF CONTENTS
Section 210: GENERAL................47
Group 05: Safety................47
Recognize Safety Information................50
Handle Fluids Safely—Avoid Fires................51
Prevent Battery Explosions................52
Prepare for Emergencies................53
Prevent Acid Burns................54
Handle Agricultural Chemicals Safely................56
Avoid High-Pressure Fluids................58
Park Machine Safely................59
Support Machine Properly................60
Wear Protective Clothing................61
Work in Clean Area................62
Service Machines Safely................63
Work In Ventilated Area................64
Illuminate Work Area Safely................65
Replace Safety Signs................66
Use Proper Lifting Equipment................67
Remove Paint Before Welding or Heating................68
Avoid Heating Near Pressurized Fluid Lines................69
Keep ROPS Installed Properly................70
Service Tires Safely................71
Avoid Harmful Asbestos Dust................72
Practice Safe Maintenance................73
Use Proper Tools................74
Dispose of Waste Properly................75
Prevent Machine Runaway................76
Handle Starting Fluid Safely................77
Service Cooling System Safely................78
Stay Clear of Rotating Drivelines................79
Protect Against High Pressure Spray................80
Construct Dealer-Made Tools Safely................81
Clean Vehicle of Hazardous Pesticides................82
Live With Safety................83
Group 15: General References................48
Reference 210-15-001, General Reference List................85
Reference 210-15-002, Bolt and Cap Screw Torque Values................86
Reference 210-15-003, Glossary of Terms................88
Reference 210-15-004, JIC Hydraulic Symbols................94
Reference 210-15-005, Wiring Diagram and Schematic Information................97
Reference 210-15-006, Electrical Schematic Symbols................99
Reference 210-15-007, Reading Wiring Schematics and Drawings................102
Reference 210-15-008, Visually Inspect Electrical System................105
Reference 210-15-009, Seven Step Electrical Procedure With probe light or multimeter................48
Reference 210-15-010, Using a Probe Light................109
Reference 210-15-011, Circuit Types................111
Reference 210-15-012, Circuit Malfunctions................113
Reference 210-15-013, Troubleshooting Circuit Malfunctions................116
Reference 210-15-014, Understanding Electrical vs. Electronic Circuits................121
Reference 210-15-015, Intermittent Electronic Problems................123
Reference 210-15-016, Relay Circuit Types................127
Reference 210-15-017, Using a Digital Multimeter................140
Section 211: SERVICE CODES................142
Group ACU: ACU Code Diagnostics................142
Specifications................4339
ACU 002 - SCV Lever Calibration Fault................142
ACU 003 - Throttle or Hitch Controls Calibration Fault................142
ACU 027 - Calibration Incomplete................142
ACU 028 - ACU Not Calibrated................142
ACU 030 - Engine Throttle Control Fault................142
ACU 040 - Transmission Shift Lever Fault................142
ACU 041 - ACU Powered Up In Gear................142
ACU 042 - Transmission Lever Park Position Switch Conflict................142
ACU 049 - Hitch Raise / Lower Rocker Switch On at Start-up................142
ACU 053 - Hitch Load / Depth Control Circuit Fault................142
ACU 054 - Hitch Control Lever Circuit Fault................142
ACU 056 - Hitch Raise Limit Control Circuit Fault................142
ACU 057 - Hitch Rate-of-Drop Control Circuit Fault................142
ACU 070 - IMS Switch Fault................142
ACU 071 - Auto Resume Switch Fault................142
ACU 110 - SCV 1 Control Voltage Fault................142
ACU 111 - SCV 1 Control Switch Fault................142
ACU 120 - SCV 2 Control Voltage Fault................142
ACU 121 - SCV 2 Control Switch Fault................142
ACU 130 - SCV 3 Control Voltage Fault................142
ACU 131 - SCV 3 Control Switch Fault................142
ACU 140 - SCV 4 Control Voltage Fault................142
ACU 141 - SCV 4 Control Switch Fault................142
ACU 150 - SCV 5 Control Voltage Fault................142
ACU 151 - SCV 5 Control Switch Fault................142
ACU 155 - ACU Control Unit Software Error................142
Group AMS: AMS General Diagnostic Codes................142
20 - CAN Bus Problem................142
21 - CAN Bus Problem................142
22 - Language Selection Problem................142
30 - CAN Bus Problem................143
31 - CAN Bus Problem................143
33 - Internal Error................143
40 - Parallel Tracking Problem................143
41 - Parallel Tracking Problem................143
44 - Parallel Tracking Problem................143
45 - Parallel Tracking Problem................143
46 - Parallel Tracking Problem................143
47 - Device Address Change................143
48 - CAN Bus Problem................143
49 - CAN Bus Problem................143
50 - Automatic Steering Problem................143
52 - CAN Bus Problem................143
53 - CCD Bus Problem................143
54 - CAN Bus Problem................143
55 - AutoTrac Problem................143
60 - Flash Erase Failed................143
61 - Contour Write Error................143
100 - KeyCard Problem................143
110 - Check Wiring (CAN Bus)................143
111 - Check Wiring (CCD)................143
126 - AutoTrac disabled................143
128 - Software not compatible................143
150 - PC Data Card Problem................143
151 - PC Data Card Problem................143
152 - PC Data Card Problem................143
155 - KeyCard Problem................143
156 - KeyCard Problem................143
157 - Invalid Key................143
158 - KeyCard Problem................143
200 - CAN Bus Problem................143
201 - CAN Bus Problem................143
210 - CAN Bus Problem................143
211 - CAN Bus Problem................144
213 - Internal Error................144
220 - Parallel Tracking Problem................144
221 - Parallel Tracking Problem................144
224 - Parallel Tracking Problem................144
225 - Parallel Tracking Problem................144
226 - Parallel Tracking Problem................144
227 - Automatic Steering Problem................144
230 - Display Address Change................144
231 - CAN Bus Problem................144
232 - CAN Bus Problem................144
233 - Language Selection Problem................144
234 - CAN Bus Problem................144
235 - CAN Bus Problem................144
236 - AutoTrac Problem................144
280 - Mobile Processor Problem................144
281 - Mobile Processor Problem................144
282 - Mobile Processor Problem................144
301 - STARFIRE STARFIRE is a trademark of Deere & Company Receiver Problem................144
302 - STARFIRE STARFIRE is a trademark of Deere & Company Receiver Problem................144
303 - STARFIRE STARFIRE is a trademark of Deere & Company Receiver Problem................144
304 - STARFIRE STARFIRE is a trademark of Deere & Company Receiver Problem................144
305 - STARFIRE STARFIRE is a trademark of Deere & Company Receiver Problem................144
306 - STARFIRE STARFIRE is a trademark of Deere & Company Receiver Problem................144
308 - RTK Problem................144
000168.18 - RTK Base Station Voltage Low................144
000232.02 - Corrected GPS Position Not Available................144
000232.14 - RTK Extend Lost................144
000841.31 - Signal Interference From Satellite................144
000956.16 - Roll Sensor Out Of Range................144
002028.12 - No STARFIRE STARFIRE is a trademark of Deere & Company Communication................144
002146.13 - Terrain Compensation Module Not Calibrated................144
002146.14 - Temperature Sensor Out Of Range................144
002854.31 - RTK Rover Radio Link Lost................145
522338.13 - Receiver Not Receiving On Alternate Frequency................145
522339.31 - GPS Corrections License Expired................145
522552.11 - STARFIRE Network Fault................145
523274.02 - GPS Position Not Available................145
523309.07 - Yaw Sensor Not Responding................145
523309.16 - Yaw Sensor Out Of Range................145
523310.02 - Memory Error................145
523319.18 - Low Switched Voltage................145
523342.31 - No STARFIRE STARFIRE is a trademark of Deere & Company Fore/Aft Setting................145
523441.31 - No STARFIRE STARFIRE is a trademark of Deere & Company Height Setting................145
523442.31 - No STARFIRE Fore/Aft Set................145
523572.31 - Unsafe Shutdown - Parameters Not Stored................145
523773.03 - STARFIRE STARFIRE is a trademark of Deere & Company CAN Voltage Out Of Range................145
523773.04 - STARFIRE STARFIRE is a trademark of Deere & Company CAN Voltage Out Of Range................145
523774.03 - STARFIRE STARFIRE is a trademark of Deere & Company CAN Voltage Out Of Range................145
523774.04 - STARFIRE STARFIRE is a trademark of Deere & Company CAN Voltage Out Of Range................145
523792.01 - No Unswitched Voltage................145
523792.18 - Low Unswitched Voltage................145
524209.16 - RTK Rover Too Far From Base Station................145
524210.16 - RTK Base Station Not Using Visible Satellites................145
524257.14 - RTK Base Station Position Survey In Progress................145
524257.16 - RTK Base Station Position Survey In Progress................145
Group ASU: ASU Code Diagnostics................145
Specifications................4339
ASU 010 - Seat Position Voltage Fault................145
ASU 012 - Accelerometer Voltage Fault................145
ASU 020 - System Supply Voltage Fault................145
ASU 021 - ASU Supply Voltage Low................145
ASU 022 - Sensor Supply Voltage Fault................145
ASU 026 - Flow Control Valve Not Calibrated................145
ASU 027 - Seat Position Sensor Not Calibrated................146
ASU 028 - ASU Not Calibrated................146
ASU 031 - Flow Control Valve Circuit Fault................146
ASU 033 - Pressure Control Valve Circuit Fault................146
ASU 035 - Compressor Relay Circuit Fault................146
ASU 036 - Compressor Time-Out................146
ASU 037 - Vent Valve Circuit Fault................146
ASU 038 - Vent Valve Time-Out................146
ASU 050 - Seat Above Ride Zone................146
ASU 111 - Seat Height Switch Fault................146
ASU 113 - Seat Firmness Switch Fault................146
ASU 120 - ASU CCD Bus Fault................146
ASU 121 - Tractor Wheel Speed Message Missing................146
ASU 122 - Hydraulic Oil Level Message Missing................146
ASU 123 - Hydraulic Oil Temperature Message Missing................146
ASU 124 - Engine Speed Message Missing................146
ASU 125 - Diagnostic Fuse Status Message Missing................146
ASU 207 - ASU Watchdog Reset Detected................146
Group ATC: ATC Code Diagnostics................146
Specifications................4339
ATC 01.3 - Cab Temperature Sensor Circuit Voltage High................146
ATC 01.4 - Cab Temperature Sensor Circuit Voltage Low................146
ATC 03.3 - Ambient Temperature Sensor Circuit Voltage High................146
ATC 03.4 - Ambient Temperature Sensor Circuit Voltage Low................146
ATC 07.3 - Outlet Air Temperature Sensor Circuit Voltage High................146
ATC 07.4 - Outlet Air Temperature Sensor Circuit Voltage Low................146
ATC 08.3 - Evaporator Temperature Sensor Circuit Voltage High................146
ATC 08.4 - Evaporator Temperature Sensor Circuit Voltage Low................146
ATC 09.1 - Excessive A/C Clutch Cycling................146
ATC 10.3 - Cab Temperature Control Circuit Voltage High................146
ATC 10.4 - Cab Temperature Control Circuit Voltage Low................146
ATC 11.3 - Blower Control Circuit Voltage High................146
ATC 11.4 - Blower Control Circuit Voltage Low................146
ATC 12.3 - Water Valve Position Sensor Circuit Voltage High................147
ATC 12.4 - Water Valve Position Sensor Circuit Voltage Low................147
ATC 13.1 - Water Valve Motor Not Calibrated................147
ATC 13.3 - Water Valve Motor Circuit Voltage High................147
ATC 13.4 - Water Valve Motor Circuit Voltage Low................147
ATC 13.7 - Water Valve Motor Mechanical Fault................147
ATC 14.3 - Air Flow Mode Position Sensor Circuit Voltage High................147
ATC 14.4 - Air Flow Mode Position Sensor Circuit Voltage Low................147
ATC 15.1 - Air Flow Mode Motor Not Calibrated................147
ATC 15.5 - Air Flow Mode Motor Circuit Voltage High................147
ATC 15.6 - Air Flow Mode Motor Circuit Voltage Low................147
ATC 15.7 - Air Flow Mode Motor Mechanical Fault................147
ATC 16.3 - Compressor Clutch Circuit Voltage High................147
ATC 16.4 - Compressor Clutch Circuit Voltage Low................147
ATC 17.3 - Pressurizer Blower Motor Circuit Voltage High................147
ATC 17.4 - Pressurizer Blower Motor Circuit Voltage Low................147
ATC 18.3 - Circulation Blower Motor Circuit Voltage High................147
ATC 18.4 - Circulation Blower Motor Circuit Voltage Low................147
ATC 19.1 - Circulation Blower Motor Driver Circuit Fault................147
ATC 20.3 - ATC Supply Voltage High................147
ATC 20.4 - ATC Supply Voltage Low................147
ATC 22.1 - ATC Memory Fault................147
ATC 23.2 - ATC Control Unit Fault................147
ATC 24.1 - ATC CAN Bus Fault................147
ATC 24.9 - ATC CAN Bus Fault................147
ATC 25.5 - Compressor Shutoff Due to Engine Overheat................147
ATC 26.9 - ECU CAN Message Missing................147
Group CCU: CCU Code Diagnostics................147
Specifications................4339
CCU 001 - Fuel Level Sensor Fault................147
CCU 005 - Engine Oil Pressure Gauge Sensor Fault................147
CCU 006 - Diagnostic Messages From ECU Missing................147
CCU 007 - Engine Power Level Code Mismatch................147
CCU 014 - Engine Coolant Temperature Message Missing................148
CCU 015 - Hydraulic Oil Temperature High................148
CCU 016 - Hydraulic Oil Temperature Very High................148
CCU 017 - Hydraulic Oil Temperature Circuit Open................148
CCU 018 - Hydraulic Oil Temperature Circuit Short................148
CCU 019 - Hydraulic Oil Temperature Low................148
CCU 020 - Engine Oil Pressure Low by Sensor................148
CCU 021 - Engine Oil Pressure Low................148
CCU 022 - Engine Oil Pressure Switch Circuit Open................148
CCU 023 - Engine Speed Signal Missing................148
CCU 024 - COR Level Switch Circuit Open................148
CCU 026 - Transmission Oil Pressure Low................148
CCU 027 - Park Brake Pressure Sensor Circuit Open................148
CCU 030 - Engine Air Filter Restricted................148
CCU 045 - CCU Supply Voltage Low w/ Engine Running................148
CCU 046 - CCU Supply Voltage Low w/ Engine Running >1500 rpm................148
CCU 047 - CCU Supply Voltage High w/ Engine Running................148
CCU 049 - CCU Supply Voltage Very High w/ Engine Running................148
CCU 050 - Hydraulic Oil Filter Restricted................148
CCU 051 - CCD Messages From EHO Missing................148
CCU 055 - CCU Address 23 Configuration Invalid................148
CCU 062 - COR Low For Normal Operation................148
CCU 063 - COR Low Too Long................148
CCU 067 - CCU Sensor Power Circuit Fault................148
CCU 068 - PTO Overspeed................148
CCU 069 - 4R / 5R PTO Inhibit................148
CCU 070 - Operator Not Seated w/ Rear PTO On................148
CCU 071 - PTO Switch On at Power Up................148
CCU 072 - Rear PTO Switch Circuit Conflict................148
CCU 073 - Rear PTO Solenoid Circuit Fault................148
CCU 075 - Rear PTO Speed Slow................148
CCU 076 - Rear PTO Calibration Fault................148
CCU 080 - Differential Lock Switch Circuit Fault................148
CCU 081 - Differential Lock Solenoid Circuit Fault................149
CCU 085 - MFWD Switch Circuit Fault................149
CCU 086 - MFWD Circuit Fault w/ Switch OFF................149
CCU 093 - Intake Manifold Air Temperature Message Missing................149
CCU 095 - Throttle Command Signal From ACU Missing................149
CCU 096 - Foot Throttle Voltage Signal Low................149
CCU 097 - Foot Throttle Voltage Signal High................149
CCU 098 - Engine Oil Pressure Switch Fault................149
CCU 100 - Park Brake Pressure Sensor Fault................149
CCU 107 - IMS Not Responding Due to HCU................149
CCU 108 - Sensor Supply Voltage Fault................149
CCU 109 - Water In Fuel Sensor................149
CCU 110 - Water in Fuel Sensor Signal Missing................149
CCU 125 - Turn Signal Switch Circuit Conflict................149
Group ECU: ECU Code Diagnostics................149
ECU 021 - Sensor Supply 1 Voltage High................149
ECU 022 - Sensor Supply 1 Voltage Low................149
ECU 023 - (SPN-105 FMI-3)—Manifold Air Temperature Input Voltage High................149
ECU 024 - (SPN-105 FMI-4)—Manifold Air Temperature Input Voltage Low................149
ECU 025 - (SPN-110 FMI-3)—Engine Coolant Temperature Input Voltage High................149
ECU 026 - (SPN-110 FMI-4)—Engine Coolant Temperature Input Voltage Low................149
ECU 027 - Throttle #1 CAN Invalid................149
ECU 029 - Torque Curve Selection Error................149
ECU 037 - Fuel Temperature Input Voltage High................149
ECU 038 - Fuel Temperature Input Voltage Low................149
ECU 042 - Engine Overspeed Extreme................149
ECU 056 - (SPN-1639 FMI-1)—Fan Speed Signal Missing................149
ECU 057 - (SPN-1639 FMI-18)—Fan Speed Lower Than Expected................149
ECU 058 - (SPN-174 FMI-4)—Fan Speed Higher Than Expected................149
ECU 062 - (SPN-110 FMI-16)—Engine Coolant Temperature Moderately High................149
ECU 063 - (SPN-110 FMI-0)—Engine Coolant Temperature Extremely High................149
ECU 066 - Manifold Air Temperature Moderately High................149
ECU 067 - Engine Shutdown................149
ECU 068 - (SPN-1569 FMI-31)—Fuel Derate................150
ECU 081 - Fuel Temperature Moderately High................150
ECU 083 - Auxiliary Engine Shutdown Switch Active................150
ECU 084 - ECU Power Down Error................150
ECU 088 - Pump Control Valve #1 Fuel Flow Not Detected................150
ECU 089 - Pump Control Valve #2 Fuel Flow Not Detected................150
ECU 090 - Fuel Rail Pressure Higher Than Expected................150
ECU 091 - Cylinder #1 Electronic Injector Circuit Shorted................150
ECU 092 - Cylinder #2 Electronic Injector Circuit Shorted................150
ECU 093 - Cylinder #3 Electronic Injector Circuit Shorted................150
ECU 094 - Cylinder #4 Electronic Injector Circuit Shorted................150
ECU 095 - Cylinder #5 Electronic Injector Circuit Shorted................150
ECU 096 - Cylinder #6 Electronic Injector Circuit Shorted................150
ECU 097 - Electronic Injector Supply Voltage Problem................150
ECU 098 - Electronic Injector Wiring Shorted to Power Source................150
ECU 099 - Electronic Injector Wiring Shorted to Ground................150
ECU 110 - Cylinder #1 Electronic Injector Mechanical Failure................150
ECU 120 - Cylinder #2 Electronic Injector Mechanical Failure................150
ECU 127 - Fuel Rail Pressure Input Voltage High................150
ECU 129 - Fuel Rail Pressure Input Voltage Low................150
ECU 130 - Cylinder #3 Electronic Injector Mechanical Failure................150
ECU 131 - Cylinder #1 Electronic Injector Circuit Open................150
ECU 132 - Cylinder #2 Electronic Injector Circuit Open................150
ECU 133 - Cylinder #3 Electronic Injector Circuit Open................150
ECU 134 - Cylinder #4 Electronic Injector Circuit Open................150
ECU 135 - Cylinder #5 Electronic Injector Circuit Open................150
ECU 136 - Cylinder #6 Electronic Injector Circuit Open................150
ECU 140 - Cylinder #4 Electronic Injector Mechanical Failure................150
ECU 141 - Crank Position Input Missing................150
ECU 142 - Crank Position Input Noise or Pattern Error................150
ECU 143 - Event Sensor Input Missing................150
ECU 144 - Event Sensor Input Noise or Pattern Error................150
ECU 145 - ECU/Pump Timing Moderately Out of Sync................150
ECU 150 - Cylinder #5 Electronic Injector Mechanical Failure................151
ECU 160 - Cylinder #6 Electronic Injector Mechanical Failure................151
ECU 171 - Fuel Rail Pressure Loss Detected................151
ECU 172 - Fuel Rail Pressure Not Developed................151
ECU 173 - Fuel Rail Pressure Sensor Supply Voltage High................151
ECU 174 - Fuel Rail Pressure Sensor Supply Voltage Low................151
ECU 175 - Water in Fuel Detected................151
ECU 176 - Water in Fuel Signal Voltage High or Low................151
ECU 177 - Pump Control Valve #1 Error................151
ECU 178 - Fuel Rail Pressure Control Error................151
ECU 179 - Pump Control Valve #2 Error................151
Group EHo: EHo Code Diagnostics................151
Specifications................4339
EHo 010 - Left Cylinder Position Sensor Fault................151
EHo 011 - Right Cylinder Position Sensor Fault................151
EHo 013 - Left Cylinder Position Sensor Range Fault................151
EHo 014 - Right Cylinder Position Sensor Range Fault................151
EHo 017 - Front Brake Fill Pressure Sensor Fault................151
EHo 018 - Hand Brake Position Sensor Fault................151
EHo 019 - Hand Brake Position Sensor Range Fault................151
EHo 021 - System Supply Voltage Fault................151
EHo 022 - EHo System Supply Voltage Fault................151
EHo 023 - EHO System Voltage Fault................151
EHo 037 - Front Suspension Calibration Fault................151
EHo 038 - Front Suspension Not Calibrated................151
EHo 047 - Front Brake System Calibration Fault................151
EHo 048 - Front Brake Valve Not Calibrated................151
EHo 065 - Hand Brake Position Conflict and Switch Open................151
EHo 067 - Hand Brake Position and Switch Conflict................151
EHo 068 - Front Brake Solenoid Current and Pressure Data Conflict................151
EHo 069 - Hand Brake Engaged / Disengaged Switch Conflict................151
EHo 090 - Low Oil Condition................151
EHo 101 - Suspension Positioning Correction Fault................151
EHo 102 - Raise Command Active But Chassis Lowering................152
EHo 103 - Lower Command Active But Chassis Raising................152
EHo 120 - EHo CCD Bus Fault................152
EHo 121 - Tractor Wheel Speed Message Missing................152
EHo 122 - COR Level Status Missing................152
EHo 123 - Engine Speed Message Missing................152
EHo 125 - Brake Pedal Switch Status Missing................152
EHo 127 - Differential Lock Switch Status Missing................152
EHo 128 - Hitch Up / Down Switch Status Missing................152
EHo 129 - Hitch Position Message Missing................152
EHo 130 - SCV 1-3 Status Missing................152
EHo 132 - Rear PTO Status Missing................152
EHo 133 - Transmission Lever Message Missing................152
EHo 134 - SCV 1 Lever Position Status Missing................152
EHo 135 - Secondary Hand Brake Status Missing................152
EHo 161 - Front Brake Solenoid Circuit Fault................152
EHo 163 - Front Brake Solenoid Calibration Fault................152
EHo 170 - SCV 1 Failure During Front Suspension Calibration................152
EHo 171 - Raise / Lower Solenoid Circuit Fault................152
EHo 172 - Raise Solenoid Circuit Fault................152
EHo 181 - Unlock Solenoid Circuit Fault................152
EHo 182 - Lock Solenoid Circuit Fault................152
EHo 191 - Differential Lock Solenoid Circuit Fault................152
Group HCU: HCU Code Diagnostics................152
Specifications................4339
HCU 022 - HCU Supply Voltage Fault................152
HCU 027 - Calibration Incomplete................152
HCU 028 - HCU Not Calibrated................152
HCU 029 - Calibration Recall................152
HCU 040 - Valve Harness Connections Invalid................152
HCU 041 - Pressure Valve Solenoid Circuit Fault................152
HCU 042 - Return Valve Solenoid Circuit Fault................152
HCU 043 - Pressure Valve Calibration Fault................152
HCU 044 - Return Valve Calibration Fault................153
HCU 045 - Sensor Power Fault................153
HCU 049 - Raise / Lower Rocker Switch Circuit Fault................153
HCU 050 - Control Unit Fault................153
HCU 052 - Hitch Draft Sensor Circuit Fault................153
HCU 053 - Hitch Load / Depth Control Circuit Fault................153
HCU 054 - Hitch Control Lever Circuit Fault................153
HCU 055 - Hitch Position Sensor Circuit Fault................153
HCU 056 - Hitch Raise Limit Control Circuit Fault................153
HCU 057 - Hitch Rate-of-Drop Control Circuit Fault................153
HCU 058 - External Raise / Lower Switch Circuit Fault................153
HCU 060 - HCU CCD Bus Fault................153
HCU 090 - Hitch Raise Disabled Due to Low Oil Level................153
Group ICU: ICU Code Diagnostics................153
Specifications................4339
ICU 094 - Membrane Switch Stuck................153
ICU 095 - ICU CCD Bus Fault................153
ICU 096 - Air Brake Pressure Low................153
ICU 098 - Transmission Come Home Mode................153
ICU 099 - ICU Memory Fault................153
Group JdL: JdL Code Diagnostics................153
JdL 000629.12 - Control Unit Fault................153
JdL 000964.13 - Invalid Time/Date................153
JdL 001542.04 - Control Unit Voltage Low................153
JdL 298872.31 - Machine Data Configuration Fault 5................153
JdL 298873.31 - Machine Data Configuration Fault 4................153
JdL 298874.31 - Machine Data Configuration Fault 3................153
JdL 298875.31 - Machine Data Configuration Fault 2................153
JdL 298876.31 - Machine Data Configuration Fault 1................153
JdL 298877.31 - Modem Fault................153
JdL 298878.31 - Line Busy................153
JdL 298879.31 - Cellular Signal Weak or No Service................153
JdL 298880.31 - Call Unanswered................153
JdL 298881.18 - GPS Lock Lost................154
JdL 298882.31 - GPS Lock Fault................154
JdL 298883.31 - CAN Bus Fault................154
JdL 298884.31 - CCD Bus Fault................154
JdL 298885.31 - Control Unit Memory Capacity Exceeded................154
JdL 298886.31 - Control Unit Power Limit Exceeded................154
JdL 298887.31 - Control Unit Configuration and Machine PIN Conflict................154
JdL 299613.31 - Data Download Fault................154
JdL 299614.31 - Data Upload Fault................154
JdL 299615.31 - Cellular Bit Error Rate too High................154
JdL 299616.31 - Call Disconnected................154
JdL 299617.31 - Data Exchange Fault................154
JdL 299618.31 - Communications Service Identification Module Fault................154
JdL 299619.31 - Cellular Personal Identification Number Blocked................154
JdL 299620.31 - GPS Antenna/Cable Fault................154
JdL 299630.12 - Calibration Memory Fault................154
JdL 299639.14 - JdL CAN Error Limit Exceeded................154
JdL 299841.12 - GPS Fault................154
JdL 299841.31 - GPS Not Available................154
Group PCU: PCU Code Diagnostics................154
Specifications................4339
PCU 004 - No Load Torque Message Missing................154
PCU 005 - Fuel Flow Message From ECU Missing................154
PCU 006 - Engine Speed Too High For Down Shift................154
PCU 007 - No Load Torque Calibration Fault................154
PCU 011 - Engine Speed Too Low For Wheel Speed................154
PCU 012 - Shift Above 14F Attempted w/ Oil Temperature Low................154
PCU 013 - Park Brake Pressure Present in Park w/ Engine Running................154
PCU 014 - Shifting Above 13F or 3R w/ Clutch Pressure Circuit Open................154
PCU 015 - Clutch Pressure Sensor Circuit Open................154
PCU 016 - Clutch Pressure Sensor Circuit Open >5 Minutes................154
PCU 017 - Operator Not Seated w/ Transmission in Neutral................154
PCU 018 - Excessive Heat in C-Clutch (CC) or D-Clutch (DC) Transmission................154
PCU 019 - Park Brake Pressure Sensor Circuit Open................155
PCU 020 - Seat Switch Circuit Fault................155
PCU 021 - Clutch Pressure Sensor Fault................155
PCU 022 - Excessive Engine Load in 4R or 5R................155
PCU 024 - Park Brake Previously Failed / May Not Hold................155
PCU 025 - Tractor Motion w/ Park Brake Engaged................155
PCU 026 - Tractor Motion While Shifting to Park................155
PCU 027 - Transmission Not Calibrated................155
PCU 028 - A Brake (AB) or B Clutch (BC) Slipping Too Long................155
PCU 029 - Park Brake Pressure Low / Will Not Release................155
PCU 030 - Clutch Pressure Sensor and Clutch Disengage Switch Circuit Conflict................155
PCU 031 - Clutch Slipping Too Long................155
PCU 032 - Clutch 1 (C1) Valve Circuit Fault................155
PCU 033 - Clutch 2 (C2) Valve Circuit Fault................155
PCU 034 - Clutch 3 (C3) Valve Circuit Fault................155
PCU 035 - Clutch 4 (C4) Valve Circuit Fault................155
PCU 036 - A-Brake (AB) Valve Circuit Fault................155
PCU 037 - B-Clutch (BC) Valve Circuit Fault................155
PCU 038 - Control Unit Fault................155
PCU 039 - Reverse Enable Circuit Fault................155
Section 212: OBSERVABLE SYMPTOMS................1235
Group 05: Axles................1235
Specifications................4339
Axle Will Not Transmit Power................1235
MFWD Axle Disengages................1235
Front Differential Problem................1235
Differential Lock Will Not Engage / Disengage................1235
Independent Link Suspension Leak Down Problem................1235
Independent Link Suspension Damping Problem................1235
Independent Link Suspension (ILS) Ride Height Adjustment................1235
Group 15: Electrical................1235
Specifications................4339
Vehicle Horn Malfunctions................1235
Starting Motor Will Not Crank................1235
Convenience Outlet Problem................1235
Charging System Problem................1235
Seven Pin Outlet Malfunction—(N.A.)................1235
Seven Pin Outlet Malfunction—(European)................1235
Hazard Lamps Malfunction (N.A.)................1235
Dome Lamp Malfunction................1235
Radar Diagnostics................1235
Roof Beacon Light Malfunction................1235
Touchset Depth Control Does Not Function................1235
Tractor Ground Speed Does Not Display................1235
Group 16: Ag Management Solutions (AMS)................1235
GREENSTAR GREENSTAR is a trademark of Deere & Company System Problem (—010000)................1235
GREENSTAR GREENSTAR is a trademark of Deere & Company System Problem (010001—)................1235
Loss of Power at Implement Breakaway Connector................1235
JDLINK JDLINK is a trademark of Deere & Company System Problem................1235
AutoTrac System Problem................1235
AutoTrac System - Accuracy Unacceptable................1235
GREENSTAR™FIELD DOC FIELD DOC is a trademark of Deere & Company Diagnostics................1235
Group 20: Hitch................1236
Specifications................4339
Hitch Will Not Raise And/Or Lower................1236
Hitch Raise / Lower Speed Incorrect................1236
Hitch Cycles Up And Down................1236
Front Hitch Problem................1236
Group 25: Heating, Ventilation and Air Conditioning (Standard)................1236
Specifications................4339
Air Conditioning Not Cooling Adequately (Standard)................1236
Heating Inadequate (Standard)................1236
Low or No Airflow From Air Ducts (Standard)................1236
Group 26A: Heating, Ventilation and Air Conditioning - CLIMATRAK™ (ATC) (—010000)................1236
Specifications................4339
CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Trouble Light Flashing (—010000)................1236
Diagnostic Trouble Lamp Does Not Light, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) (—010000)................1236
Compressor Clutch Does Not Engage (No Cooling), CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) (—010000)................1236
Circulation Blower Inoperative Or Slow, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) (—010000)................1236
Pressurizer Motor Inoperative or Slow, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) (—010000)................1236
Group 26B: Heating, Ventilation and Air Conditioning - CLIMATRAK™ (ATC) (010001—)................1236
CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) System Problem (010001—)................1236
Group 30: Operator Station................1236
Dust In Cab................1236
Operator Seat Problem (Air Seat)................1236
Operator Seat Problem (ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company )................1236
Warning Horn Does Not Operate................1236
Turn Signals Do Not Work (N.A.)................1236
Display Units Not Operational................1236
Windshield Wiper / Washer Malfunctioning................1236
Power Mirror Malfunction................1236
Group 40: Power Take-Off................1236
Specifications................4339
PTO Slips Under Load................1237
PTO Engages Aggressively................1237
PTO Will Not Stop Turning................1237
Group 45: Selective Control Valve................1237
Specifications................4339
Hose Ejects From SCV Coupler................1237
Implement Settles................1237
Pressure Does Not Build in Top SCV or Power Beyond................1237
SCV(s) Does Not Work................1237
Group 50: Steering................1237
Specifications................4339
Loss of Power Steering and Brakes................1237
Loss of Power Steering (Brakes Are Normal)................1237
Loss Of Manual Steering Or Secondary Steering Is Poor With Tractor Moving................1237
Steering Capacity Low or Stalls Under Load................1237
Front Wheels Wander Or Drift................1237
Intermittent Drag When Turning Steering Wheel................1237
Steering Is Slow, Sluggish, Or Hard To Turn (Tractor In Motion)................1237
Group 55: Transmission................1237
Specifications................4339
Tractor Will Not Move................1237
Transmission Does Not Shift Correctly................1237
Tractor Creeps in Neutral................1237
Transmission Calibration Fails And "F" Error Message is Displayed After Repair and Following Reassembly................1237
Group 70: Hydraulics................1237
Pump Pressure Slowly Returns to Stand-by after SCV Returned to Neutral................1237
Optional SCV Software Troubleshooting................1237
Section 213: SYSTEM DIAGNOSIS................1586
Group 40: Electrical................1586
Lighting System Problems (N.A.)................1607
Group 50: Transmission................1586
Specifications................4339
Transmission System Diagnosis................1633
Group 56: Drive Systems................1586
Essential Tools................4338
Service Equipment and Tools................4104
Specifications................4339
Independent Link Suspension Diagnosis................1668
Group 60: Steering and Brake Systems................1586
Specifications................4339
Steering / Brake System Diagnosis................1686
AutoTrac Steering System Diagnosis................1694
Group 70: Hydraulic System................1586
Specifications................4339
Hydraulic System Diagnosis................1711
Group 90: CLIMATRAK™ (ATC) System (010001—)................1586
CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) System Diagnosis (010001—)................1586
Group 90F: Heated Seat................1586
Reference 213-90F, Heated Seat System Diagnosis................1760
Section 220: ENGINE................1763
Group 10: Operational Checks................1763
Essential Tools................4338
Reference 220-10-001, Engine Cooling Operational Check................1766
Reference 220-10-002, Vistronic Fan Operational Check................1767
Reference 220-10-003, Thermostats Operational Check................1769
Group 15: Tests and Adjustments................1763
Essential Tools................4338
Service Equipment and Tools................4104
Specifications................4339
Reference 220-15-001, Engine Coolant Quality Check................1776
Reference 220-15-002, Radiator and Radiator Cap Test................1777
Reference 220-15-003, Engine Oil Pressure Test................1779
Reference 220-15-004, Vistronic Fan Circuit Test................1780
Reference 220-15-005, Engine Coolant Temperature Circuit Test................1782
Reference 220-15-006, Intake Manifold Air Temperature Circuit Test................1784
Reference 220-15-007, Viscous Fan Drive Test................1786
Group 20: Theory of Operation................1763
Reference 220-20-001, Engine Cooling System Theory of Operation................1794
Group 25: Schematics and Diagrams................1763
Reference 220-25-001, Engine System - Vistronic Fan / Block Diagram................1798
Section 230: FUEL AND AIR................1800
Group 20: Theory of Operation................1800
Reference 230-20-001, Fuel Supply System Theory of Operation................1811
Reference 230-20-002, Air Intake System Theory of Operation................1821
Section 240: ELECTRICAL................1823
Group 15: Tests and Adjustments................1823
Essential Tools................4338
Service Equipment and Tools................4104
Specifications................4339
Reference 240-15-001, Charging System Voltage Test................1830
Reference 240-15-002, Internal Alternator Tests................1842
Reference 240-15-003, Battery Inspection................1845
Reference 240-15-009, Turn Signal Switch Test (N.A.)................1853
Reference 240-15-010, Display Units Power Supply Test................1862
Reference 240-15-015, Seat Electrical Test (Air Seat)................1866
Reference 240-15-016, Compressor Circuit Test (ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company )................1823
Reference 240-15-017, Off-Load Vent Circuit Test (ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company )................1823
Reference 240-15-018, Touchset Depth Control Test................1883
Group 20: Theory of Operation................1823
Reference 240-20-001, Electrical Theory of Operation Contents................1886
Reference 240-20-002, Charging Circuit Theory................1887
Reference 240-20-003, Starting Circuit Theory................1888
Reference 240-20-004, Convenience Outlet / Auxiliary Power Strip Theory................1889
Reference 240-20-005, Vehicle Horn Circuit Theory................1891
Reference 240-20-006, Seven Pin Outlet Theory................1892
Reference 240-20-007, European Lighting System Theory................1895
Reference 240-20-008, North American Lighting System Theory................1897
Group 25: Schematics and Diagrams................1823
Reference 240-25-001, Tractor Schematic List................1901
Reference 240-25-002, SE1-Starting, Power Supply and Charging Circuits................1904
Reference 240-25-003, SE2a-Wiper / Washer Circuits, 2b-Air Seat Circuits................1905
Reference 240-25-004, SE2c-ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company Control Unit................1823
Reference 240-25-005, SE3a-Standard HVAC, SE3b- CLIMATRAK CLIMATRAK is a trademark of Deere & Company (—010000)................1823
Reference 240-25-006, SE4-Radio, Dome Lamp and Steering Column Module (—010000)................1909
Reference 240-25-007, SE5a-Lighting System (North American Version) (—010000)................1911
Reference 240-25-008, SE5b-Lighting System (European Version) (—010000)................1913
Reference 240-25-009, SE6-Accessory Connectors and Auxiliary Power (—010000)................1915
Reference 240-25-010, SE7-Rear Hitch / SCV Control Circuits (HCU / SCU)................1917
Reference 240-25-011, SE8- Central Control Unit / Powershift Control Unit (—010000)................1918
Reference 240-25-012, SE9- Vehicle Monitor (ICU) and SCV Setup Panel (SUP)................1920
Reference 240-25-013, SE10b-Engine Control Unit (—010000)................1921
Reference 240-25-014, SE11-Diagnostic / Program Connector (—010000)................1922
Reference 240-25-015, SE12a-Corner Post and Performance Monitor Displays................1924
Reference 240-25-016, SE12b-Factory Installed GREENSTAR GREENSTAR is a trademark of Deere & Company Harnesses (—010000)................1824
Reference 240-25-017, SE12c-Field Installed GREENSTAR GREENSTAR is a trademark of Deere & Company Harnesses (—010000)................1824
Reference 240-25-018, SE12d-CAN Active Terminator................1928
Reference 240-25-019, SE13a-SCV 4 and 5 Control Circuits (SCo)................1929
Reference 240-25-020, SE13b-Front Hitch / Independent Link Suspension / SCV 4 and 5 Control Circuits (EHo)................1931
Reference 240-25-021, SE14-Armrest Control Unit................1932
Reference 240-25-022, SE16-JDLINK JDLINK is a trademark of Deere & Company (JdL)................1824
Reference 240-25-023, SE1-Starting, Power Supply and Charging Wiring Diagram................1934
Reference 240-25-024, SE2a / 2b-Wiper, Air Seat Control Wiring Diagram................1936
Reference 240-25-025, SE3a-Standard HVAC Wiring Diagram (—010000)................1938
Reference 240-25-026, SE4-Radio, Dome Lamp, Steering Column Module Wiring Diagram (—010000)................1940
Reference 240-25-027, SE5a-North American Lighting Wiring Diagram (—010000)................1942
Reference 240-25-028, SE5b-European Lighting Wiring Diagram (—010000)................1945
Reference 240-25-029, SE6-Accessory Connectors Wiring Diagram (—010000)................1948
Reference 240-25-030, SE11-Diagnostic / SERVICE ADVISOR SERVICE ADVISOR is a trademark of Deere & Company Wiring Diagram (—010000)................1824
Reference 240-25-031, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Wiring Diagram (—010000)................1824
Reference 240-25-032, Fuse Panel (N.A.) (—010000)................1954
Reference 240-25-033, Load Center Relay Panel (N.A.) (—010000)................1956
Reference 240-25-034, Fuse Panel (European) (—010000)................1958
Reference 240-25-035, Load Center Relay Panel (European) (—010000)................1960
Reference 240-25-036, Cab Harness (N. A.) (—010000)................1962
Reference 240-25-037, Cab Harness (N. A.) (010001—)................1964
Reference 240-25-038, Cab Harness (European) (—010000)................1967
Reference 240-25-039, Cab Harness (European) (010001—)................1970
Reference 240-25-040, Cab Connecting Harnesses................1973
Reference 240-25-041, Chassis Harness................1976
Reference 240-25-042, SE3c-Standard HVAC, SE3d - CLIMATRAK CLIMATRAK is a trademark of Deere & Company (010001—)................1825
Reference 240-25-043, SE4b-Radio, Dome Lamp and Steering Column Module (010001—)................1981
Reference 240-25-044, SE5c-Lighting System (North American Version) (010001—)................1982
Reference 240-25-045, SE5d-Lighting System (European Version) (010001—)................1984
Reference 240-25-046, SE6b-Accessory Connectors and Auxiliary Power (010001—)................1986
Reference 240-25-047, SE8b- Central Control Unit / Powershift Control Unit (010001—)................1988
Reference 240-25-049, SE10d-Engine Control Unit (010001—)................1990
Reference 240-25-050, SE11b-Diagnostic / Program Connector (010001—)................1991
Reference 240-25-051, SE12f-GREENSTAR GREENSTAR is a trademark of Deere & Company Harnesses (010001—)................1825
Reference 240-25-056, SE3a- Standard HVAC Wiring Diagram (010001—)................1994
Reference 240-25-057, SE5c-North American Lighting Wiring Diagram (010001—)................1995
Reference 240-25-058, SE5d-European Lighting Wiring Diagram (010001—)................1997
Reference 240-25-059, SE6b-Accessory Connectors Wiring Diagram (010001—)................2001
Reference 240-25-060, SE11b-Diagnostic / SERVICE ADVISOR SERVICE ADVISOR is a trademark of Deere & Company Wiring Diagram (010001—)................1825
Reference 240-25-061, Fuse Panel (N.A.) (010001—)................2005
Reference 240-25-062, Load Center Relay Panel (N.A.) (010001—014679)................2007
Reference 240-25-063, Fuse Panel (European) (010001—)................2009
Reference 240-25-064, Load Center Relay Panel (European) (010001—)................2011
Reference 240-25-065, SE4b- Radio, Dome Lamp, Steering Column Module Wiring Diagram (010001—)................2013
Reference 240-25-066, SE15 Steering System Control Unit Schematic................2015
Reference 240-25-067, Load Center Relay Panel (N.A.) (014680—)................2017
Section 245: CONTROL UNITS................2019
Group 05: Service Codes................2019
Specifications................4339
Reference 245-05-001, Recall, Record and Clear Codes................2025
Reference 245-05-002, Access Control Unit Addresses................2028
Reference 245-05-003, Service Code Descriptions................2030
Reference 245-05-004, Control Unit Addresses................2068
Reference 245-05-005, CCD Network Diagnosis................2070
Reference 245-05-006, CAN Network Diagnosis................2077
Reference 245-05-007, CCD Diagnostic Schematic................2086
Reference 245-05-008, CAN Diagnostic Schematic................2088
Reference 245-05-200, CCD Communication Network Theory Chrysler Collision Detection. is a method of handling multiple bits of information broadcast on the same communication network at the same time.................2019
Group ACU: ACU References................2019
Specifications................4339
Reference 245-ACU-001, ACU Addresses................2093
Reference 245-ACU-200, ACU Theory Of Operation................2171
Reference 245-ACU-300, ACU Wiring Diagram................2173
Group ASU: ASU References................2019
Specifications................4339
Reference 245-ASU-001, ASU Addresses................2177
Reference 245-ASU-200, ASU Theory of Operation................2234
Reference 245-ASU-300, ASU Circuit Wiring Diagram................2237
Group ATC: CLIMATRAK™ (ATC) References................2019
Reference 245-ATC-001, ATC Addresses (010001—)................2287
Reference 245-ATC-300, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Wiring Diagram (010001—)................2019
Group CCU: CCU References................2019
Specifications................4339
Reference 245-CCU-001, CCU Addresses................2340
Reference 245-CCU-200, CCU Theory Of Operation................2446
Reference 245-CCU-201, Rear PTO Speed Sensor Theory................2448
Reference 245-CCU-203, Engine Air Filter Restriction Switch Theory................2453
Reference 245-CCU-205, Engine Oil Pressure Sensor Circuit Theory................2455
Reference 245-CCU-206, Fuel Level Sensor Circuit Theory................2457
Reference 245-CCU-207, Foot Throttle Position Sensor Theory................2459
Reference 245-CCU-208, Hydraulic Oil Filter Restriction Switch Circuit Theory................2461
Reference 245-CCU-209, Clean Oil Reservoir Level Switch Circuit Theory................2462
Reference 245-CCU-210, Hydraulic Oil Temperature Sensor Circuit Theory................2464
Reference 245-CCU-211, Radar / Ground Speed Sensor Circuit Theory................2466
Reference 245-CCU-212, Sensor Power Circuit Theory of Operation................2467
Reference 245-CCU-213, Clutch Pressure Sensor Theory................2469
Reference 245-CCU-214, Transmission Oil Pressure Sensors Theory................2472
Reference 245-CCU-215, Wheel Speed Sensor Circuit Theory................2473
Reference 245-CCU-216, Park Brake Sensor Theory................2475
Reference 245-CCU-217, “Water in Fuel” Sensor Theory................2477
Reference 245-CCU-300, CCU Wiring Diagram (—010000)................2478
Reference 245-CCU-301, CCU Wiring Diagram (010001—)................2481
Group ECU: ECU References................2020
Reference 245-ECU-001, ECU Addresses................2508
Reference 245-ECU-200, ECU Theory of Operation................2532
Reference 245-ECU-201, Vistronic Fan Theory Of Operation................2533
Reference 245-ECU-300, ECU Wiring Diagram (—010000)................2536
Reference 245-ECU-301, ECU Wiring Diagram (010001—)................2539
Group EHo: EHo References................2020
Specifications................4339
Reference 245-EHo-001, EHo Addresses................2544
Reference 245-EHo-100, Independent Link Suspension Position Sensor Installation................2592
Reference 245-EHo-200, EHo Theory of Operation................2594
Reference 245-EHo-300, EHo Wiring Diagram (—010000)................2600
Reference 245-EHo-301, EHo Wiring Diagram (010001—)................2602
Group HCU: HCU References................2020
Specifications................4339
Reference 245-HCU-001, HCU Addresses................2606
Reference 245-HCU-100, Draft Sensor Adjustment................2651
Reference 245-HCU-200, HCU Theory Of Operation................2653
Reference 245-HCU-300, HCU Wiring Diagram................2654
Group ICU: ICU References................2021
Reference 245-ICU-001, ICU Addresses................2686
Reference 245-ICU-200, ICU Theory Of Operation................2716
Reference 245-ICU-300, ICU Wiring Diagram (—010000)................2721
Reference 245-ICU-301, ICU Wiring Diagram (010001—)................2724
Group IMS: Implement Management System (IMS) References................2021
Reference 245-IMS-200, IMS Theory Of Operation................2732
Group PCU: PCU References................2021
Specifications................4339
Reference 245-PCU-001, PCU Addresses................2739
Reference 245-PCU-200, PCU Theory of Operation................2815
Reference 245-PCU-300, PCU Wiring Diagram................2818
Group SCU: SCU References................2021
Essential Tools................4338
Specifications................4339
Reference 245-SCU-001, SCU Addresses................2825
Reference 245-SCU-200, SCU Theory Of Operation................2879
Reference 245-SCU-300, SCU Wiring Diagram................2880
Group SCo: SCo References................2021
Essential Tools................4338
Specifications................4339
Reference 245-SCo-001, SCo Addresses................2885
Reference 245-SCo-200, SCo Theory Of Operation................2933
Reference 245-SCo-201, Front Hitch Electronic Control Theory................2934
Reference 245-SCo-300, SCo Wiring Diagram................2939
Group SSU: SSU References................2021
Reference 245-SSU-001, SSU Addresses................3012
Reference 245-SSU-200, SSU Theory of Operation................3083
Reference 245-SSU-300, Factory Installed SSU Wiring Diagram................3085
Reference 245-SSU-301, Field Installed SSU Wiring Diagram................3089
Group SUP: SUP References................2021
Reference 245-SUP-001, SUP Addresses................3122
Reference 245-SUP-200, Set-Up Panel (SUP) Theory Of Operation................3151
Reference 245-SUP-300, SUP Circuit Wiring Diagram................3153
Section 246A: AG MANAGEMENT SOLUTIONS (AMS) — GREENSTAR™................3155
Group GSS: GREENSTAR™ System References................3155
Reference 246A-GSS-001, Factory GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Circuit 992 Test................3155
Reference 246A-GSS-002, Factory GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Circuit 922 Test................3155
Reference 246A-GSS-003, GREENSTAR GREENSTAR is a trademark of Deere & Company CAN Bus Diagnosis................3155
Reference 246A-GSS-004, Field GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Unswitched Power Test................3155
Reference 246A-GSS-005, Field GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Switched Power Test................3155
Reference 246A-GSS-300, Factory GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Wiring Diagram (—010000 N.A.) (European)................3155
Reference 246A-GSS-301, Factory Implement Ready Harness Wiring Diagram (—010000 N.A.) (European)................3192
Reference 246A-GSS-302, Field Installed GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Wiring Diagram (—010000 N.A.) (European)................3155
Reference 246A-GSS-303, Field Installed Implement Ready Harness Wiring Diagram (—010000 N.A.) (European)................3195
Reference 246A-GSS-304, Active Terminator Harness Wiring Diagram................3197
Reference 246A-GSS-305, Breakaway Terminator Connector Pictorial................3198
Reference 246A-GSS-306, GREENSTAR GREENSTAR is a trademark of Deere & Company Harness Routing................3155
Reference 246A-GSS-307, Factory GREENSTAR GREENSTAR is a trademark of Deere & Company Cab Harness Wiring Diagram (010001— ) (N.A. Only)................3155
Section 246B: AG MANAGEMENT SOLUTIONS (AMS)—JDLINK™................3201
Group 10A: Accessing Diagnostic Addresses and Codes................3201
Reference 246B-10A-001, Accessing Diagnostic Addresses and Codes................3206
Group 10B: Diagnostic Trouble Codes................3201
Reference 246B-10B-001, JdL - JDLINK JDLINK is a trademark of Deere & Company Messenger Diagnostic Trouble Codes................3201
Group 10C: Diagnostic Addresses................3201
Reference 246B-10C-001, Diagnostic Addresses By Controller................3228
Group 15A: JDLINK™ Machine Messenger Diagnostics................3201
Reference 246B-15A-001, JDLINK JDLINK is a trademark of Deere & Company Theory of Operation................3201
Reference 246B-15A-002, Connector Locations................3244
Reference 246B-15A-003, Electrical Schematic (Embedded)................3245
Reference 246B-15A-004, JDLINK JDLINK is a trademark of Deere & Company Machine Messenger Diagnostics (Embedded)................3201
Reference 246B-15A-005, Electrical Schematic (Quick Install)................3269
Reference 246B-15A-006, JDLINK JDLINK is a trademark of Deere & Company Machine Messenger Diagnostics (Quick Install)................3201
Section 246C: AG MANAGEMENT SOLUTIONS (AMS) — AUTOTRAC................3290
Group 5A: How to Use This Diagnostic Information................1383
Reference 246C-5A-001, How to Use This Diagnostic Information................3303
Group 10A: Accessing Diagnostic Addresses and Codes................3290
Reference 246C-10A-001, Accessing Diagnostic Addresses and Codes................3315
Group 10B: Diagnostic Trouble Codes................3290
Reference 246C-10B-001, AutoTrac Messenger Diagnostic Trouble Codes................3326
Group 15A: AutoTrac Identification................3290
Reference 246C-15A-001, 8000 Series Factory Installed................3335
Reference 246C-15A-002, 8000 Series Field Installed................3336
Group 15B: AutoTrac Diagnostics - 8000 Series Factory Installed................3290
Reference 246C-15B-001, Theory of Operation................3338
Reference 246C-15B-002, Electrical Schematic................3339
Reference 246C-15B-003, AutoTrac Diagnostics................3341
Group 15C: AutoTrac Diagnostics - 8000 Series Field Installed................3290
Reference 246C-15C-001, Theory of Operation................3355
Reference 246C-15C-002, Electrical Schematic................3356
Reference 246C-15C-003, AutoTrac Diagnostics................3358
Group 15D: GREENSTAR™ Parallel Tracking Identification................3290
Reference 246C-15D-001, 8000 Series Factory Installed................3372
Reference 246C-15D-002, 8000 Series Field Installed................3373
Group 15E: Parallel Tracking Diagnostics - 8000 Series Factory Installed................3290
Reference 246C-15E-001, Theory of Operation................3375
Reference 246C-15E-002, Schematics................3376
Reference 246C-15E-003, GREENSTAR GREENSTAR is a trademark of Deere & Company Parallel Tracking Diagnostics................3290
Group 15F: Parallel Tracking Diagnostics - 8000 Series Field Installed................3290
Reference 246C-15F-001, Theory of Operation................3394
Reference 246C-15F-002, Schematics................3395
Reference 246C-15F-003, GREENSTAR GREENSTAR is a trademark of Deere & Company Parallel Tracking Diagnostics................3290
Group 15G: GREENSTAR™ Display Diagnostics................3290
Reference 246C-15G-001, Theory of Operation................3413
Reference 246C-15G-002, Electrical Schematic................3414
Reference 246C-15G-003, GREENSTAR GREENSTAR is a trademark of Deere & Company Display Diagnostics................3291
Group 15H: GREENSTAR™ Mobile Processor Diagnostics................3291
Reference 246C-15H-001, Theory of Operation................3426
Reference 246C-15H-002, Schematics................3427
Reference 246C-15H-003, GREENSTAR GREENSTAR is a trademark of Deere & Company Mobile Processor Diagnostics................3291
Group 15I: STARFIRE™ Receiver Diagnostics................3291
Reference 246C-15I-001 STARFIRE STARFIRE is a trademark of Deere & Company Receiver Diagnostics................3291
Group 15J: GREENSTAR™ KeyCard Diagnostics................3291
Reference 246C-15J-001, Theory of Operation................3439
Reference 246C-15J-002, Schematics................3440
Reference 246C-15J-003, GREENSTAR GREENSTAR is a trademark of Deere & Company KeyCard and PC Data Storage Card Diagnostics................3291
Group 15K: AutoTrac CAN Bus Identification................3291
Reference 246C-15K-001, 8000 Series Factory Installed................3448
Reference 246C-15K-002, 8000 Series Field Installed................3449
Group 15L: AutoTrac CAN Bus Diagnostics - 8000 Series Factory Installed................3291
Reference 246C-15L-001, Theory of Operation................3451
Reference 246C-15L-002, Schematics................3452
Reference 246C-15L-003, AutoTrac CAN Bus Diagnostics................3454
Group 15M: AutoTrac CAN Bus Diagnostics - 8000 Series Field Installed................3291
Reference 246C-15M-001, Theory of Operation................3467
Reference 246C-15M-002, Schematics................3468
Reference 246C-15M-003, AutoTrac CAN Bus Diagnostics................3470
Group 15N: AutoTrac CCD Bus Identification................3291
Reference 246C-15N-001, 8000 Series Factory Installed................3483
Reference 246C-15N-002, 8000 Series Field Installed................3484
Group 15O: AutoTrac CCD Bus Diagnostics - 8000 Series Factory Installed................3291
Reference 246C-15O-001, Theory of Operation................3486
Reference 246C-15O-002, Schematics................3487
Reference 246C-15O-003, AutoTrac CCD Bus Diagnostics................3489
Group 15P: AutoTrac CCD Bus Diagnostics - 8000 Series Field Installed................3292
Reference 246C-15P-001, Theory of Operation................3492
Reference 246C-15P-002, Schematics................3493
Reference 246C-15P-003, AutoTrac CCD Bus Diagnostics................3495
Group 15Q: AutoTrac Power Identification................3292
Reference 246C-15Q-001, 8000 Series Factory Installed................3498
Reference 246C-15Q-002, 8000 Series Field Installed................3499
Group 15R: AutoTrac Power Diagnostics - 8000 Series Factory Installed................3292
Reference 246C-15R-001, Theory of Operation................3501
Reference 246C-15R-002, Schematics................3502
Reference 246C-15R-003, AutoTrac Power Diagnostics................3504
Group 15S: AutoTrac Power Diagnostics - 8000 Series Field Installed................3292
Reference 246C-15S-001, Theory of Operation................3508
Reference 246C-15S-002, Schematics................3509
Reference 246C-15S-003, AutoTrac Power Diagnostics................3511
Group 15T: AutoTrac Status Identification................3292
Reference 246C-15T-001, 8000 Series Factory Installed................3515
Reference 246C-15T-002, 8000 Series Field Installed................3516
Group 15U: AutoTrac Status Diagnostics - 8000 Series Factory Installed................3292
Reference 246C-15U-001, Theory of Operation................3518
Reference 246C-15U-002, Schematics................3519
Reference 246C-15U-003, AutoTrac Status Diagnostics................3521
Group 15V: AutoTrac Status Diagnostics - 8000 Series Field Installed................3292
Reference 246C-15V-001, Theory of Operation................3527
Reference 246C-15V-002, Schematics................3528
Reference 246C-15V-003, AutoTrac Status Diagnostics................3530
Group 15W: AutoTrac Steering Response Identification................3292
Reference 246C-15W-001, 8000 Series Factory Installed................3536
Reference 246C-15W-002, 8000 Series Field Installed................3537
Group 15X: AutoTrac Steering Response Diag. - 8000 Series Factory Installed................3292
Reference 246C-15X-001, Theory of Operation................3539
Reference 246C-15X-002, Schematics................3540
Reference 246C-15X-003, AutoTrac Steering Response Diagnostics................3542
Group 15Y: AutoTrac Steering Response Diag. - 8000 Series Field Installed................3293
Reference 246C-15Y-001, Theory of Operation................3546
Reference 246C-15Y-002, Schematics................3547
Reference 246C-15Y-003, AutoTrac Steering Response Diagnostics................3549
Group 15Z: AutoTrac Steering Control Unit Identification................3293
Reference 246C-15Z-001, 8000 Series Factory Installed................3553
Reference 246C-15Z-002, 8000 Series Field Installed................3554
Group 15AA: AutoTrac Steering Control Unit Diag - 8000 Series Factory Installed................3293
Reference 246C-15AA-001, Theory of Operation................3556
Reference 246C-15AA-002, Schematics................3557
Reference 246C-15AA-003, AutoTrac Steering Control Unit Diagnostics................3559
Group 15AB: AutoTrac Steering Control Unit Diag - 8000 Series Field Installed................3293
Reference 246C-15AB-001, Theory of Operation................3563
Reference 246C-15AB-002, Schematics................3564
Reference 246C-15AB-003, AutoTrac Steering Control Unit Diagnostics................3566
Group 20A: Circuit Code Listing................3293
Reference 246C-20A-001, Circuit Code Listing................3570
Group 20B: Connector Information................3293
Reference 246C-20B-001, Connector Locations................3572
Reference 246C-20B-002, Connector Information................3573
Section 246D: AG MANAGEMENT SOLUTIONS (AMS) —FIELD DOC™................3574
Group 15A: GPS Position and StarFire Receiver Operation and Tests................3574
Reference 246D-15A-001, GPS Position Receiver Identification................3579
Reference 246D-15A-002, Type A STARFIRE STARFIRE is a trademark of Deere & Company Receiver Diagnostics................3574
Reference 246D-15A-003, Type B STARFIRE STARFIRE is a trademark of Deere & Company Receiver with TCM Diagnostics................3574
Reference 246D-15A-004, Type C STARFIRE STARFIRE is a trademark of Deere & Company Receiver & TCM with RTK Correctional Signal Diagnostics................3574
Reference 246D-15A-005, Type D STARFIRE iTC Receiver Diagnostics................3662
Reference 246D-15A-006, Type E STARFIRE iTC Receiver with RTK Radio Diagnostics................3682
Reference 246D-15A-007, Type F GREENSTAR GREENSTAR is a trademark of Deere & Company GPS Receiver - L-Band Diagnostics................3574
Reference 246D-15A-200, GPS Position Receiver Theory of Operation................3723
Reference 246D-15A-300, GPS Diagnostic Wiring Diagrams................3726
Group 15B: FIELD DOCFIELD DOC is a trademark of Deere & Company Basic Operation and Tests................3574
Reference 246D-15B-001, FIELD DOC FIELD DOC is a trademark of Deere & Company Diagnostics................3574
Reference 246D-15B-200, Theory of Operation................3774
Reference 246D-15B-300, Schematics................3775
Section 250: POWERSHIFT TRANSMISSION................3777
Group 10: Operational Checks................3777
Reference 250-10-001, Park Brake Operational Check................3781
Reference 250-10-002, Transmission Operational Check................3783
Reference 250-10-003, Park Brake Release Valve Operational Check................3785
Group 15: Tests And Adjustments................3777
Essential Tools................4338
Service Equipment and Tools................4104
Specifications................4339
Reference 250-15-001, PTO Calibration................3795
Reference 250-15-002, Park Brake Leak Test................3796
Reference 250-15-003, Transmission (PST) System Pressure Test................3799
Reference 250-15-004, Park Brake, Differential Lock, PTO And MFWD Leak Test................3801
Reference 250-15-005, Park Brake, PTO and MFWD Pressure Test................3804
Reference 250-15-006, PST Shift Solenoid Valve Test................3807
Reference 250-15-007, PST Element Leak Test................3810
Reference 250-15-009, PST Element Pressure Test................3813
Reference 250-15-010, Lube Pressure Test................3816
Reference 250-15-011, Primary Pump Flow Test................3818
Reference 250-15-012, Oil Cooler Relief Valve Test................3820
Reference 250-15-013, Oil Cooler Flow Test................3822
Reference 250-15-014, Lube Valve Checks................3824
Reference 250-15-015, PST Stuck Shift Valve Test................3826
Reference 250-15-016, PST Shift Accumulator Test................3831
Reference 250-15-017, Transmission Pressure with Valve Stack Isolated Test................3833
Reference 250-15-100, Transmission System Pressure Adjustment................3835
Reference 250-15-200, Powershift Transmission Record Sheet................3838
Group 20: Theory of Operation................3777
Reference 250-20-001, List of Powershift Transmission Theory of Operation Contents................3849
Reference 250-20-002, Transmission Power Flow Theory................3850
Reference 250-20-003, Powershift Transmission (PST) Component Locations Theory................3852
Reference 250-20-004, System 1 Oil Theory................3856
Reference 250-20-005, System 2 Oil Theory................3859
Reference 250-20-006, Power Flow—7th Speed Forward Theory................3862
Reference 250-20-007, Power Flow—2nd Speed Reverse Theory................3864
Reference 250-20-008, Park Position—Engine Running Theory................3866
Reference 250-20-009, Powershift Transmission (PST)—Neutral Theory................3867
Reference 250-20-010, A-Brake Lube Valve Theory................3868
Reference 250-20-011, Park Brake Release Valve Theory................3869
Reference 250-20-012, Traction Clutch Valve Theory................3871
Reference 250-20-013, Output Clutch Check Valve Orifice Theory................3873
Reference 250-20-014, Lube Cutoff Valve Theory................3874
Reference 250-20-015, Lube Relief Valve Theory................3876
Reference 250-20-016, Cooler Relief Valve Theory................3878
Reference 250-20-017, Ground Driven Pump Theory................3880
Reference 250-20-018, Ground Speed Park Control Valve Theory................3882
Reference 250-20-019, Scavenge Pump Theory................3884
Reference 250-20-020, Automatic Powershift (APS) Theory................3886
Reference 250-20-021, Transmission Shift Logic Theory................3888
Reference 250-20-022, Selecting Gear Theory................3890
Reference 250-20-023, Transmission Shifting Features Theory................3892
Reference 250-20-024, PST Shifting Characteristics Theory................3894
Reference 250-20-025, Electro-hydraulic Solenoid Valve Theory................3895
Reference 250-20-026, Analog Shift Valve Theory................3897
Reference 250-20-027, Transmission Diagnostic Codes Theory................3900
Group 25: Schematics and Diagrams................3778
Reference 250-25-001, List of Powershift Drawings................3902
Reference 250-25-002, System 1 Oil................3903
Reference 250-25-003, System 2 Oil................3905
Reference 250-25-004, Park Brake Release Valve................3907
Reference 250-25-005, Lube Cutoff Valve................3909
Reference 250-25-006, Lube Relief Valve................3911
Reference 250-25-007, Cooler Relief Valve................3913
Reference 250-25-008, Ground Speed Park Control Valve................3915
Reference 250-25-010, PST Element Engagement Chart................3917
Section 256: DRIVE SYSTEMS................3919
Group 15: Tests And Adjustments................3919
Specifications................4339
Reference 256-15-001, Rear PTO Clutch And Brake Pressure Test................3922
Reference 256-15-002, Independent Link Suspension Lube Test................3924
Reference 256-15-003, MFWD Clutch Test................3926
Reference 256-15-004, ILS Accumulator Preliminary Nitrogen Charge Pressure Test................3931
Group 20: Theory of Operation................3919
Reference 256-20-001, Drivetrain Theory Of Operation Contents................3938
Reference 256-20-002, Rear PTO Clutch Theory................3939
Reference 256-20-003, Rear PTO Solenoid Valve Theory................3941
Reference 256-20-004, Clutch Disengaged—Brake Engaged—Solenoid De-Energized Theory................3943
Reference 256-20-006, Clutch Engaged—Brake Disengaged—Solenoid Energized Theory................3946
Reference 256-20-008, Rear PTO Output Housing Theory................3948
Reference 256-20-009, Standard Rear PTO Output Housing Theory................3950
Reference 256-20-010, Optional PTO Output Housing Theory................3951
Reference 256-20-011, 1000 RPM Output Theory................3953
Reference 256-20-012, 540 RPM Output Theory................3954
Reference 256-20-014, Final Drive Theory................3955
Reference 256-20-015, Differential Lock Circuit Theory................3956
Reference 256-20-016, Independent Link Suspension Mechanical Theory................3959
Group 25: Schematics and Diagrams................3919
Reference 256-25-002, Independent Link Suspension Manifold................3972
Section 260: STEERING AND BRAKES................3975
Group 05: Preliminary Checks................3975
Reference 260-05-001, Steering Preliminary Checks................3981
Reference 260-05-002, Brake System Preliminary Check................3985
Reference 260-05-003, AutoTrac Steering System Preliminary Check................3986
Group 10: Operational Checks................3975
Reference 260-10-001, Steering Operational Checks................3991
Reference 260-10-002, Secondary Steering Valve Operational Check................3995
Reference 260-10-003, Brake Operational Check................3998
Reference 260-10-004, AutoTrac Steering System Operational Check................3999
Group 15: Tests And Adjustments................3975
Essential Tools................4338
Service Equipment and Tools................4104
Specifications................4339
Reference 260-15-001, Steering System Pressure Test................4008
Reference 260-15-002, Steering Supply Oil Leakage Test................4009
Reference 260-15-003, Steering Trapped Oil Leakage Test (Non-ILS)................4012
Reference 260-15-004, Priority Valve Pressure Test................4014
Reference 260-15-005, Secondary Steering Valve Test................4024
Reference 260-15-007, Primary Pump Flow Test................4026
Reference 260-15-010, Bleed Brakes................4029
Reference 260-15-011, Manual Brake Test................4034
Reference 260-15-012, Brake Valve Leak Test................4035
Reference 260-15-013, Steering Valve Pressure Test................4037
Reference 260-15-014, Priority Valve Differential Pressure Test................4039
Reference 260-15-020, Charge Pump Check Using SCV Test................4041
Reference 260-15-021, Steering Wheel Position Sensor Count Test................4042
Reference 260-15-022, Electro-Hydraulic Steering Valve Test................4043
Reference 260-15-023, Electro-Hydraulic Steering Valve Manual Test................4044
Reference 260-15-024, Flow Meter and Sensor Test................4045
Reference 260-15-025, Flow Meter Inspection and Disconnected Operational Test................4046
Reference 260-15-026, AutoTrac Steering Accuracy Check................4047
Reference 260-15-027, ILS Steering Leakage Test................4049
Group 20: Theory of Operation................3976
Reference 260-20-001, Steering / Brake Component Theory of Operation Contents................4052
Reference 260-20-002, Steering Valve Theory................4053
Reference 260-20-003, Steering System Theory................4058
Reference 260-20-004, AutoTrac Steering System Theory................4061
Reference 260-20-008, Brake Valve Theory................4065
Reference 260-20-009, Brake Piston Assembly Theory................4066
Reference 260-20-031, Brake System Theory................4068
Group 25: Schematics and Diagrams................3976
Reference 260-25-001, Steering System ISO Diagram................4076
Reference 260-25-002, Brake System ISO Diagram................4078
Section 270: HYDRAULIC SYSTEM................4080
Group 05: Preliminary Checks................4080
Reference 270-05-001, Hydraulic System Preliminary Checks................4085
Group 10: Operational Checks................4080
Reference 270-10-001, Hydraulic Operational Check................4089
Reference 270-10-002, Hitch Operational Check................4091
Reference 270-10-003, Independent Link Suspension Operational Check................4093
Group 15: Tests And Adjustments................4080
Essential Tools................4338
Service Equipment and Tools................4104
Specifications................4339
Reference 270-15-002, Hydraulic Oil Cooler Differential Pressure Test................4112
Reference 270-15-003, Rear Hitch / SCV Pressures Verification................4114
Reference 270-15-004, Load Sense (Dime Valve) Circuit Leak Test................4117
Reference 270-15-005, Rear Hitch / SCV Valve Leak Test................4119
Reference 270-15-006, SCV Flow Resolution Test................4129
Reference 270-15-007, Secondary Piston Pump Flow Test................4131
Reference 270-15-008, Charge Pump Flow Test................4133
Reference 270-15-009, Charge Pump Suction Air Leak Test................4135
Reference 270-15-010, Secondary Pump Stall / Standby Pressure Test................4137
Reference 270-15-012, Oil Filter Differential Pressure Check................4138
Reference 270-15-013, Connect Equipment For Hydraulic Testing................4140
Reference 270-15-014, Secondary Pump Test................4142
Reference 270-15-015, SCV-Hitch Shuttle (Dime) Valve Test................4143
Reference 270-15-016, Charge Pump And Clean Oil Reservoir Level Lamp Check................4145
Reference 270-15-019, Lube Oil Pressure Check................4146
Reference 270-15-020, Secondary Pump Flow Check From SCV................4148
Reference 270-15-021, Secondary Pump Load Sense Differential Pressure Check................4155
Reference 270-15-022, Secondary Pump Load Sense Valve Adjustment................4157
Reference 270-15-026, Priority Valve Differential Pressure Check................4159
Reference 270-15-027, Independent Link Suspension System Pressure Test................4161
Reference 270-15-028, Independent Link Suspension Cylinder Pressure Test................4164
Reference 270-15-029, Independent Link Suspension Flow Rate Test................4167
Reference 270-15-030, Independent Link Suspension Load Sense Test................4170
Reference 270-15-031, Independent Link Suspension Cylinder Leak Test................4175
Reference 270-15-032, Independent Link Suspension Lock / Unlock Valve Pressure Test................4178
Reference 270-15-033, Independent Link Suspension Pressure Reducing Valve Test................4181
Reference 270-15-034, Independent Link Suspension Element Leak Check................4183
Reference 270-15-035, Independent Link Suspension Rod Pressure Control Valve Test................4187
Reference 270-15-036, Seat Hydraulic System Test (ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company )................4081
Reference 270-15-037, Isolate Leakage In Load Sense (Shuttle Check Valve) Circuit................4196
Reference 270-15-040, Secondary Pump Piston Isolation Check................4202
Reference 270-15-041, Front Hitch Pressure Test................4205
Reference 270-15-042, Front Hitch Cylinder Leak Test................4207
Reference 270-15-043 SCV/Hitch Valve Flushing and Tie Bolt Tightening Procedure................4209
Reference 270-15-044, Secondary Hydraulic Pump Case Drain Leak Check................4214
Reference 270-15-045, Internal Hydraulic Pressure Passage Leak Check................4216
Reference 270-15-046, Troubleshooting Optional SCV Software Modes................4217
Reference 270-15-100, Heating Hydraulic Oil................4219
Reference 270-15-102, Stall Pressure Adjustment................4221
Reference 270-15-103, Bleed Air from Secondary Hydraulic Lines................4225
Reference 270-15-200, Diagnostic Receptacle (DR) and Port Locations................4227
Reference 270-15-201, Hydraulic Record Sheet................4229
Group 20: Theory of Operation................4081
Reference 270-20-001, Hydraulic Component Theory of Operation Contents................4233
Reference 270-20-002, Rear Hitch Control Unit (HCU) System Theory................4234
Reference 270-20-003, Rear Hitch Slip Control Theory................4237
Reference 270-20-004, Rear Hitch Dampening Theory................4239
Reference 270-20-005, Tandem Pump Theory................4240
Reference 270-20-006, Hydraulic Oil Filter Assembly Theory................4241
Reference 270-20-007, Secondary Pump Theory................4242
Reference 270-20-008, Selective Control Valve (SCV) Theory................4243
Reference 270-20-009, Rear Hitch Control Valve Theory................4255
Reference 270-20-010, Load Sense Shuttle System Theory................4264
Reference 270-20-013, Independent Link Suspension Hydraulic Theory................4268
Reference 270-20-020, ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company Control Valve Assembly Theory................4082
Reference 270-20-021, Front Hitch Hydraulic Theory................4297
Group 25: Schematics and Diagrams................4082
Reference 270-25-001, Tractor Hydraulic ISO Diagram List................4305
Reference 270-25-002, Tractor Hydraulic ISO Diagram................4306
Reference 270-25-004, Independent Link Suspension Valve Manifold ISO Diagram................4308
Reference 270-25-005, Hydraulic Oil Supply Diagram................4310
Section 290: OPERATOR STATION................4312
Group 05: Preliminary Checks................4312
Reference 290-05-001, Airflow Preliminary Check................4317
Group 10: Operational Checks................4312
Specifications................4339
Reference 290-10-001, Air Conditioning Operational Checks (Standard)................4321
Reference 290-10-002, Heating System Operational Checks (Standard)................4326
Reference 290-10-003, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Operational Check (—010000)................4312
Reference 290-10-004, Operational Check (ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company )................4312
Reference 290-10-005, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Operational Check (010001—)................4312
Group 15: Tests And Adjustments................4312
Essential Tools................4338
Specifications................4339
Reference 290-15-001, Install Test Equipment................4340
Reference 290-15-002, Isolate Circulation Blower Motor Circuit Malfunctions (Standard)................4341
Reference 290-15-003, Isolate Pressurizer Blower Motor Circuit Malfunction (Standard)................4345
Reference 290-15-004, Static Pressure Test (Standard)................4347
Reference 290-15-005, Isolate Compressor Clutch Circuit Malfunction (Standard)................4349
Reference 290-15-006, Deicing Switch Test (Standard)................4354
Reference 290-15-007, Dual Pressure Switch (Low Side) Test................4356
Reference 290-15-008, Dual Pressure Switch (High Side) Test................4358
Reference 290-15-009, A/C System Testing (Standard)................4360
Reference 290-15-010, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Light Code Tests (—010000)................4312
Reference 290-15-011, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) System Testing (—010000)................4312
Reference 290-15-012, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Calibration Procedure (—010000)................4312
Reference 290-15-013, Power Mirror Circuit Test................4433
Reference 290-15-019, ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company Accumulator Test................4312
Reference 290-15-021, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Recall, Record and Clear Codes (010001—)................4312
Reference 290-15-022, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Calibration Procedure (010001—)................4312
Reference 290-15-023, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Pressurizer Blower Test (010001—)................4313
Reference 290-15-024, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Circulation Blower Test (010001—)................4313
Reference 290-15-025, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) System Static Pressure Test (010001—)................4313
Reference 290-15-026, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Compressor Clutch Engagement Test (010001—)................4313
Reference 290-15-028, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) System Pressure Test (010001—)................4313
Reference 290-15-029, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Compressor Clutch Cycling Test (010001—)................4313
Reference 290-15-030, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) A/C System Temperature Sensor Test (010001—)................4313
Reference 290-15-031, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Temperature Drop Test (010001—)................4313
Reference 290-15-032, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Water Valve Test (010001—)................4313
Reference 290-15-033, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Air Flow Mode Control Test (010001—)................4313
Reference 290-15-034, Remove Moisture From A/C System — CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) (010001—)................4313
Reference 290-15-044, Heated Seat Supply Voltage and Ground Circuit Test................4509
Reference 290-15-045, Heated Seat Switch Test................4514
Reference 290-15-046, Heated Seat Heating Element Test................4517
Group 20: Theory Of Operation................4313
Reference 290-20-001, Air Conditioning Theory (Standard)................4527
Reference 290-20-002, Air Seat Theory of Operation................4535
Reference 290-20-003, Display Units Theory................4537
Reference 290-20-004, Windshield Wiper / Washer Theory................4538
Reference 290-20-005, Warning Horn Theory................4539
Reference 290-20-006, CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Theory (—010000)................4313
Reference 290-20-007, Cab Air Circulation Theory (Standard)................4544
Reference 290-20-008, ACTIVE SEAT ACTIVE SEAT is a trademark of Deere & Company Theory................4313
Reference 290-20-009, Power Mirror Circuit Theory of Operation................4550
Reference 290-20-011 CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Theory of Operation (010001—)................4313
Reference 290-20-015, Heated Seat Theory of Operation................4556
Group 25: Schematics and Diagrams................4314
Reference 290-25-003, Manual Seat Suspension Diagnostic Wiring Diagram................4561
Reference 290-25-004, Heated Seat Diagnostic Wiring Diagram................4564
Section 299: TOOLS................4566
Group 10: Fabricated Tools................4566
DFRW2—Needle Valve Test Hose Assembly................4569
DFRW26 — Test Lead For Automotive-Style Fuses................4571
DFRW51—Electronic Circuit Load Tester................4572
DFRW60 Through DFRW66—Extension and Tap-Out Harnesses................4573
DFRW126—Tap-Out Harness................4576
DFRW130—Relay Circuit Test Lead................4577
DFRW142—Water Valve Test Lead................4580
DFRW167—CLIMATRAK CLIMATRAK is a trademark of Deere & Company (ATC) Water Valve Test Harness (010001—)................4566
DFRW176 — AutoTrac Steering Valve Test Harness................4584
DFRW181, Test Hose Kit................4588
Group 15: Test Kits................4566
Reference 299-15-001 Test Kits................4599
JDG10466 — Flex Probe Kit................4608
JDG1478 — Digital Multimeter................4609
JT07328 — Terminal Test Kit................4610
John Deere Tractors 8120, 8220, 8320, 8420 & 8520 Diagnosis and Tests Service Technical Manual (TM1980)