Complete Diagnostic & Tests service manual with Electrical Wiring Diagrams for John Deere Tractor 5080G, 5090G, 5090GH, 5080GV, 5090GV, 5100GV, 5080GF, 5090GF, 5100GF (Worldwide Models, 2WD/MFWD), with all the shop information to maintain, diagnostic, repair, refurbish/rebuild like professional mechanics.

John Deere Tractors 5080G, 5090G, 5090GH, 5080GV, 5090GV, 5100GV, 5080GF, 5090GF workshop Operation & Tests 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.

TM402419 English - John Deere Tractor 5080G-5090G, 5090GH, 5080GV-5100GV and 5080GF-5100GF Technical Manual (Diagnosis & Test).pdf
tm402428 French - Tracteurs 5080G-5090G, 5090GH,5080GV-5100GV et5080GF-5100GFDiagnostics.pdf
tm402429 German - Traktoren 5080G-5090G,5090GH, 5080GV-5100GVund 5080GF-5100GFDiagnose.pdf
tm402439 Italian - Trattori 5080G-5090G, 5090GH,5080GV-5100GV e5080GF-5100GFDiagnosi.pdf
tm402454 Portuguese - Tratores 5080G-5090G, 5090GH,5080GV-5100GV e5080GF-5100GFDiagnósticos.pdf

Total Pages: 1,653 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English etc.

MAIN SECTIONS
  Foreword
   General Information
      Safety Measures
      General References
   Diagnostic Trouble Codes
      Transmission Control Unit (EHM III)
      Electronic Hitch Sensing
   Observable Symptoms
      Fuel and Air Intake System
      Electrical System
      Electronics
      Power Train
      Steering and Brakes
      Hydraulic System
      Front-Wheel Drive
      Air-Conditioning System
   Engine
      Operational Check-Out
      Tests and Adjustments
   Fuel, Air Intake and Cooling Systems
      Tests and Adjustments
      Theory of Operation
   Electrical System
      SE01-Starting Motor and Charging System
      SE02-Instrument Panel
      SE03-Horn
      SE04-Lighting System
      SE05-Work Lights-Cab
      SE06-Radio, Dome and Spot Light
      SE07-Fan and Air-Conditioning System
      SE08-Windshield Wiper and Washer System
      SE09-Rear Window Wiper and Washer System
      SE10-Beacon Light
      SE11-Power Outlet
      SE12-Electronic Hitch Sensing (EHS II)
      SE13-Hazard Warning and Turn Signal Lights
      SE14-PTO Warning and Speed System
      SE15-Front-Wheel Drive and Park Brake
      SE16-Differential Lock
      SE17-Brake System
      SE18-Electro-Hydraulic Hi-Lo
      SE19-Controller Area Network (CAN)
      SE20 - Transmission Control Unit
      Component Information-Connectors
      Component Information-Wiring Harnesses
      Component Information-Electrical Parts
      Component Information-Ground Connection
      Wiring Diagrams up to Serial Number 920065
      Wiring Diagrams from Serial Number 920066
   Electronic Control Units
      Operation and General Information on Diagnostics
      Information on How to Reprogram Control Units
      TCU - Transmission Control Unit
      EHS II - Electronic Hitch Sensing
   Power Train
      Component Location
      Theory of Operation
      Diagnosis, Tests and Adjustments
   24/12-Speed Transmission
      Operational Checks
      Tests and Adjustments
      Theory of Operation
   Drive Systems
      Component Location
      Tests and Adjustments
      Front-Wheel Drive
      Differential
      Final Drives
      Rear PTO
   Steering and Brake Systems
      Component Location
      Theory of Operation
      Diagnosis, Tests and Adjustments
   Hydraulic System
      Component Location
      Theory of Operation
      Diagnosis
      Tests
      Adjustments
      Hydraulic System Schematics
   Miscellaneous
      Operational Checks
   Air-Conditioning System
      Component Location
      Theory of Operation
      Diagnosis, Tests and Adjustments
   Special Tools
      Special Tools (Dealer-Fabricated)
      Special Tools (Available as Spare Parts)

TABLE OF CONTENTS
Section 210: General Information................1648
  Group 05: Safety Measures................35
    Recognize Safety Information................38
    Understand Signal Words................39
    “Important” - Information................40
    ”Note” Information................41
    Follow Safety Instructions................42
    Handle Fluids Safely—Avoid Fires................43
    Prevent Battery Explosions................44
    Prepare for Emergencies................45
    Prevent Acid Burns................46
    Service Cooling System Safely................48
    Avoid High-Pressure Fluids................49
    Park Machine Safely................50
    Support Machine Properly................51
    Wear Protective Clothing................52
    Work in Clean Area................53
    Service Machines Safely................54
    Work In Ventilated Area................55
    Illuminate Work Area Safely................56
    Replace Safety Signs................57
    Use Proper Lifting Equipment................58
    Keep ROPS Installed Properly................59
    Service Tires Safely................60
    Avoid Harmful Asbestos Dust................61
    Avoid Heating Near Pressurized Fluid Lines................62
    Remove Paint Before Welding or Heating................63
    Use Proper Tools................64
    Dispose of Waste Properly................65
    Use Safety Lights and Devices................66
    Practice Safe Maintenance................67
    Service Front-Wheel Drive Tractor Safely................68
    Live With Safety................1172
  Group 10: General References................36
    General Information - General References, Summary of References................71
    General Information - Electrical System, Approach to Tabular Diagnostic Procedures................72
    General Information - Electrical System, Troubleshooting Unsolved Problems................74
    General Information - Electrical System, Worksheet for Circuit/Harness Test................75
    General Information - Electrical System, Visual Check................77
    General Information - Electrical System, Electrical Circuit Malfunctions................78
Section 211: Diagnostic Trouble Codes................83
  Group TCU: Transmission Control Unit (EHM III)................83
    TCU 000126.02 - Oil Filter Restricted Sensor Fault................83
    TCU 000126.31 - Transmission Oil Filter Restricted................83
    TCU 000127.02 - Transmission Oil Pressure Detected with Engine Off................83
    TCU 000127.07 - Transmission Oil Pressure Detected with Shut-Off Solenoid Valve Deactivated................83
    TCU 000127.31 - Transmission Oil Pressure too Low................83
    TCU 000177.00 - Transmission Oil Temperature too High................83
    TCU 000177.01 - Transmission Oil Temperature too Low................83
    TCU 000177.05 - Transmission Oil Temperature Sensor, Signal Voltage too High................83
    TCU 000177.06 - Transmission Oil Temperature Sensor, Signal Voltage too Low................83
    TCU 000522.31 - INFORMATION FOR OPERATOR: Clutch Pedal not Completely Released................83
    TCU 000598.02 - Clutch Pedal Potentiometer and Clutch Pedal Switch, Signals Mismatch................83
    TCU 000629.12 - Control Unit Internal Fault................83
    TCU 000629.14 - Control Unit Internal Fault................83
    TCU 000629.31 - Control Unit Internal Fault................83
    TCU 000630.02 - Calibration Parameters Out of Range................83
    TCU 000630.31 - Calibration Parameters Saving Fault................83
    TCU 000639.31 - CAN BUS, High Error Rate................83
    TCU 000788.06 - Forward High Clutch or Reverse Clutch, Current too High................83
    TCU 000976.31 - PTO Switch Fault................83
    TCU 001565.00 - INFORMATION FOR OPERATOR: Move Reverse Drive Lever to Neutral................83
    TCU 003509.00 - 5-Volt Supply Voltage too Low................83
    TCU 003509.01 - 5-Volt Supply Voltage too High................83
    TCU 003593.06 - Current too High at All Outputs to Solenoid Valve................83
    TCU 003596.06 - PTO Mode Indicator Lights, Current too High................83
    TCU 003599.06 - PTO Shut-Off Solenoid Valve, Current too High................83
    TCU 521215.00 - PTO Pressure Detected with PTO Shut-Off Solenoid Valve Not Activated................83
    TCU 521215.15 - PTO Pressure Detected with PTO Solenoid Valve Not Activated................83
    TCU 521215.16 - PTO Pressure Detected with PTO Switched Off................83
    TCU 521215.18 - PTO Pressure Not Detected with PTO Switched On................83
    TCU 521216.31 - INFORMATION FOR OPERATOR: Stop Tractor, System Check in Process................83
    TCU 521221.00 - Forward Low Clutch, Unexpected Slip................83
    TCU 521221.06 - Forward Low Clutch, Current too High................84
    TCU 521222.00 - Forward High Clutch, Unexpected Slip................84
    TCU 521230.02 - Reverse Drive Lever Switch Fault, Neutral and Reverse Signals Received Simultaneously................84
    TCU 521230.07 - Reverse Drive Lever Switch Fault, Neutral and Forward Signals Received Simultaneously................84
    TCU 521230.14 - Reverse Drive Lever Switch Fault, Forward and Reverse Signals Received Simultaneously................84
    TCU 521230.31 - Reverse Drive Lever Switch Fault, Neutral, Forward and Reverse Signals Received Simultaneously................84
    TCU 521233.00 - Forward High Clutch Solenoid Valve, Feedback Current Present with Solenoid Valve Not Activated................84
    TCU 521233.01 - Forward High Clutch Solenoid Valve, Feedback Current Not Present with Solenoid Valve Activated................84
    TCU 521233.31 - Forward High Clutch Solenoid Valve, Measured and Reference Current Mismatch................84
    TCU 521234.00 - Forward Low Clutch Solenoid Valve, Feedback Current Present with Solenoid Valve Not Activated................84
    TCU 521234.01 - Forward Low Clutch Solenoid Valve, Feedback Current Not Present with Solenoid Valve Activated................84
    TCU 521234.31 - Forward Low Clutch Solenoid Valve, Measured and Reference Current Mismatch................84
    TCU 521235.00 - Reverse Clutch Solenoid Valve, Feedback Current Present with Solenoid Valve Not Activated................84
    TCU 521235.01 - Reverse Clutch Solenoid Valve, Feedback Current Not Present with Solenoid Valve Activated................84
    TCU 521235.31 - Reverse Clutch Solenoid Valve, Measured and Reference Current Mismatch................84
    TCU 521236.06 - Shut-Off Solenoid Valve, Overcurrent or Shorted to Ground................84
    TCU 521236.31 - Shut-Off Solenoid Valve, Feedback Current too High................84
    TCU 521237.00 - Forward High Clutch, Pressure too High................84
    TCU 521237.01 - Forward High Clutch, Pressure too Low................84
    TCU 521237.03 - Forward High Clutch Pressure Sensor, Signal Voltage too High................84
    TCU 521237.04 - Forward High Clutch Pressure Sensor, Signal Voltage too Low................84
    TCU 521237.14 - Forward High Clutch, Pressure Difference too High................84
    TCU 521237.31 - Forward High Clutch Solenoid Valve, Fault................84
    TCU 521238.00 - Forward Low Clutch, Pressure too High................84
    TCU 521238.01 - Forward Low Clutch, Pressure too Low................84
    TCU 521238.03 - Forward Low Clutch Pressure Sensor, Signal Voltage too High................84
    TCU 521238.04 - Forward Low Clutch Pressure Sensor, Signal Voltage too Low................84
    TCU 521238.14 - Forward Low Clutch, Pressure Difference too High................85
    TCU 521238.31 - Forward Low Clutch Solenoid Valve, Fault................85
    TCU 521239.00 - Reverse Clutch, Pressure too High................85
    TCU 521239.01 - Reverse Clutch, Pressure too Low................85
    TCU 521239.03 - Reverse Clutch Pressure Sensor, Signal Voltage too High................85
    TCU 521239.04 - Reverse clutch pressure sensor signal too low................85
    TCU 521239.14 - Reverse Clutch, Pressure Difference too High................85
    TCU 521239.31 - Reverse Clutch Solenoid Valve, Fault................85
    TCU 522383.00 - Reverse Clutch, Unexpected Slip................85
    TCU 522402.02 - Transmission Speed Sensor, Signal Faulty................85
    TCU 522402.08 - Transmission Speed Sensor, Fault................85
    TCU 523666.00 - Control Unit, Supply Voltage too High................85
    TCU 523666.01 - Control Unit, Supply Voltage too Low................85
    TCU 523735.14 - Driving Clutch Solenoid Valves Activated without a signal from the Reverse Drive Lever................85
    TCU 523735.31 - Driving Clutch Solenoid Valves Activated with Reverse Drive Lever in Neutral or Clutch Pedal Completely Depressed................85
    TCU 524173.00 - Clutch Pedal Potentiometer, Value too High................85
    TCU 524173.01 - Clutch Pedal Potentiometer, Value too Low................85
    TCU 524173.03 - Clutch Pedal Potentiometer, Output Voltage too High................85
    TCU 524173.04 - Clutch Pedal Potentiometer, Output Voltage too Low................85
  Group EHS II: Electronic Hitch Sensing................85
    Electronic Hitch Sensing (Summary of References)................165
    Diagnosis (EHS II)................166
    EHS01 - Position Sensor Failure................85
    EHS02 - Draft Sensor Failure................85
    EHS04 - EPROM Reading Failure................85
    EHS08 - Power Supply Less Than 10 Volts................85
    EHS16 - Power Supply Greater Than 16 Volts................85
    EHS32 - Lowering Solenoid Valve Failure................85
    EHS64 - Raising Solenoid Valve Failure................85
Section 212: Observable Symptoms................174
  Group 30: Fuel and Air Intake System................174
    Fuel and Air Intake Problems................174
  Group 40: Electrical System................174
    Electrical System (Summary of References)................178
    Starting System Diagnostics................174
    Charging System Diagnostics................174
    Lighting System Diagnostics................174
  Group 45: Electronics................174
    CAN BUS check................187
  Group 50: Power Train................174
    Drive System Diagnostics................174
  Group 60: Steering and Brakes................174
    Problems with the Brakes................174
    Problems with the Steering System................174
    Problems with the Trailer Brakes................174
  Group 70: Hydraulic System................174
    Problems with the Hydraulic System................174
  Group 80: Front-Wheel Drive................174
    Problems with the Front-Wheel Drive................174
  Group 90: Air-Conditioning System................174
    Problems with the Air-Conditioning System................174
Section 220: Engine................204
  Group 10: Operational Check-Out................204
    Operational Check-Out (Summary of References)................206
    Safety................217
    Preliminary Engine Tests................208
  Group 15: Tests and Adjustments................204
    Tests and Adjustments (Summary of References)................210
    Dynamometer Test................211
Section 230: Fuel, Air Intake and Cooling Systems................212
  Group 15: Tests and Adjustments................212
    Summary of References - Tests and Adjustments................214
    General Information................1648
    Explanation of Checks................216
    Safety................217
    Special Tools................1675
    Specifications................1589
    Test Air Intake System................220
    Test the Low-Pressure Switch in Air Intake System................222
    Check the Cooling System for Leaks................223
    Testing the Temperature at which the Thermostat opens................225
    Checking the Viscous Clutch of the Fan................227
    Check the Fuel Transfer Pump................228
    Hand Throttle Lever and Accelerator Pedal Adjustment................230
  Group 20: Theory of Operation................212
    Summary of References - Theory of Operation................1655
    Fuel System - Description (Standard Tractors)................234
    Fuel System - Description (F and V Tractors)................236
    Air Intake System - Theory of Operation................238
    Engine Cooling System Operation................240
    Cooling System Radiator — Description................242
    Viscous Clutch of Fan — Theory of Operation................243
    Automatic Drive Belt Tensioner — Theory of Operation................245
    Cold Weather Starting Aid — Theory of Operation................246
Section 240: Electrical System................248
  Group S01: SE01—Starting Motor and Charging System................248
    SE01—Starting Motor and Charging System (Summary of References)................265
    Diagnostic Schematic, SE01—Starting Motor and Charging Circuit................266
    Diagnostic Schematic, SE01—Intake Air Heater Circuit................268
  Group S02: SE02—Instrument Panel................248
    SE02 - Instrument Panel (Summary of References)................271
    Diagnostic Schematic, SE02 - Instrument Panel................272
    B02—Air Filter Restriction Sensor, Circuit/Harness Test................274
    B03—Fuel Level Sensor, Circuit/Harness Test................276
    B04—Engine Oil Pressure Switch, Circuit/Harness Test................278
    B06—Transmission Speed Sensor, Circuit/Harness Test................280
    B56—Coolant Temperature Sensor, Circuit/Harness Test................283
    B72—Engine Speed Sensor Circuit/Harness Test................286
  Group S03: SE03—Horn................248
    SE03—Horn (Summary of References)................289
    SE03—Horn H01, Diagnostic Schematic................290
    H01—Horn, Circuit/Harness Test................292
  Group S04: SE04—Lighting System................248
    SE04—Lighting System (Summary of References)................295
    Diagnostic Schematic, SE04—Head Lights................296
    Diagnostic Schematic, SE04—Clearance Lights and Tail Lights................298
    E01—H4 Right-Hand Side Head Light, Circuit/Harness Test................300
    E02—H4 Left-Hand Side Head Light, Circuit/Harness Test................303
    E03—Left-Hand Side Clearance Light, Circuit/Harness Test................306
    E04—Right-Hand Side Clearance Light, Circuit/Harness Test................308
    E13—Left-Hand Side Tail Light, Circuit/Harness Test................310
    E14—Right-Hand Side Tail Light, Circuit/Harness Test................312
    S09—Multifunction Lever, Circuit/Harness Test................314
  Group S05: SE05—Work Lights—Cab................248
    SE05—Work Lights—Cab (Summary of References)................317
    Diagnostic Schematic, SE05—Work Lights—Cab................318
    E11—Work Lights at Rear of Roof, Circuit/Harness Test................320
    E18—Work Lights at Front of Roof, Circuit/Harness Test................322
    S92/1—Front Work Light Switch, Circuit/Harness Test................325
    S92/2—Rear Work Light Switch, Circuit/Harness Test................327
  Group S06: SE06—Radio, Dome and Spot Light................249
    SE06—Radio, Dome and Spot Light (Summary of References)................330
    Diagnostic Schematic, SE06—Radio, Dome and Spot Light................331
    X122—8-Pin Connector for Radio, Circuit/Harness Test................333
    E12—Dome Light, Circuit/Harness Test................336
    E30—Spot Light, Circuit/Harness Test................338
  Group S07: SE07—Fan and Air-Conditioning System................249
    SE07—Fan and Air-Conditioning System (Summary of References)................341
    Diagnostic Schematic, SE07—Fan Motor M07 and E28 Lights................342
    Diagnostic Schematic, SE07—Air-Conditioning System (Standard Tractors)................344
    Diagnostic Schematic, SE07—Air-Conditioning System (F and V Tractors)................346
    Diagnostic Schematic, SE07—Air-Conditioning Condenser (F and V Tractors)................348
    M02—Air-Conditioning Compressor Clutch, Circuit/Harness Test................350
    M07—Fan Motor, Circuit/Harness Test................352
    M08—Fan Motor, Circuit/Harness Test................355
    M09—Fan Motor, Circuit/Harness Test................358
  Group S08: SE08—Windshield Wiper and Washer System................249
    SE08—Windshield Wiper and Washer System (Summary of References)................362
    Diagnostic Schematic, SE08—Windshield Wiper and Washer System................363
    M03—Front Wiper Motor, Circuit/Harness Test................365
    M05—Pump of Washer System, Circuit/Harness Test................368
  Group S09: SE09—Rear Window Wiper and Washer System................249
    SE09—Rear Window Wiper and Washer System (Summary of References)................372
    Diagnostic Schematic, SE09—Rear Window Wiper and Washer System................373
    M04—Rear Wiper Motor, Circuit/Harness Test................375
  Group S10: SE10—Beacon Light................249
    SE10—Beacon Light (Summary of References)................379
    Diagnostic Schematic, SE10—Beacon Light (Open Operator Station)................380
    Diagnostic Schematic, SE10—Beacon Light (Cab)................383
    E27—Beacon Light (Open Operator Station), Circuit/Harness Test................385
    E27—Beacon Light (Cab), Circuit/Harness Test................387
  Group S11: SE11—Power Outlet................250
    SE11—Power Outlet (Summary of Reference)................390
    X17—3-Pin Power Outlet Socket, Circuit/Harness Test................391
    X112—3/1-Pin Connectors for Cigarette Lighter, Circuit/Harness Test................393
  Group S12: SE12—Electronic Hitch Sensing (EHS II)................250
    SE12—Electronic Hitch Sensing (EHS II) (Summary of References)................396
    Servicing Electronic Control Units................397
    Welding Near Electronic Control Units................398
    Keep Electronic Control Unit Connectors Clean................400
    Keep Electronic Control Unit Connectors Clean................400
    Diagnostic Schematic, SE12—Electronic Hitch Sensing (EHS II)................401
    B200—Position Sensor (EHS II), Circuit/Harness Test................403
    B201—Draft Sensor (EHS II), Circuit/Harness Test................406
    S68—Hitch Remote Control Switch (EHS II), Circuit/Harness Test................409
    S200—Raise Limit Switch (EHS II), Circuit/Harness Test................412
    S201—Raise/Lower Switch (EHS II), Circuit/Harness Test................415
    Y200—Raise Solenoid Valve (EHS II), Circuit/Harness Test................417
    Y201—Lower Solenoid Valve (EHS II), Circuit/Harness Test................419
  Group S13: SE13—Hazard Warning and Turn Signal Lights................250
    SE13—Hazard Warning and Turn Signal Lights (Summary of References)................422
    Diagnostic Schematic, SE13—Hazard Warning Lights................423
    Diagnostic Schematic, SE13— Turn Signal Lights................425
    Diagnostic Schematic, SE13—X18—7-Pin Connector for Trailer Socket................427
    H34—Turn Signal Light Left-Hand Side (Front side), Circuit/Harness Test................429
    H35—Turn Signal Light Left-Hand Side (Rear side), Circuit/Harness Test................432
    H44—Turn Signal Light Right-Hand Side (Front side), Circuit/Harness Test................435
    H45—Turn Signal Light Right-Hand Side (Rear side), Circuit/Harness Test................438
    X18—7-Pin Trailer Socket Circuit/Harness Test................441
  Group S14: SE14—PTO Warning and Speed System................250
    SE14—PTO Warning and Speed System (Summary of References)................445
    Diagnostic Schematic, SE14—PTO Warning and Speed System................446
    B07/A—PTO Speed Switch, Circuit/Harness Test................448
    B07/B—PTO Speed Switch, Circuit/Harness Test................450
    S21/A—Independent PTO Switch, Circuit/Harness Test................452
    S21/B—Ground Drive PTO Switch, Circuit/Harness Test................454
  Group S15: SE15—Front-Wheel Drive and Park Brake................251
    SE15—Front-Wheel Drive and Park Brake (Summary of References)................457
    Diagnostic Schematic, SE15—Front-Wheel Drive and Park Brake................458
    Y03—Front-Wheel Drive Solenoid Valve, Circuit/Harness Test................460
  Group S16: SE16—Differential Lock................251
    SE16—Differential Lock (Summary of References)................464
    Diagnostic Schematic, SE16—Differential Lock................465
    Y05—Differential Lock Solenoid Valve, Circuit/Harness Test................467
  Group S17: SE17—Brake System................251
    SE17—Brake System (Summary of References)................471
    Diagnostic Schematic, SE17—Brake System................472
    H32 and H33—Brake Lights, Circuit/Harness Test................474
  Group S18: SE18—Electro-Hydraulic Hi-Lo................251
    SE18—Electro-Hydraulic Hi-Lo (Summary of References)................477
    Diagnostic Schematic, SE18—Electro-Hydraulic Hi-Lo................478
    Y50—Electro-Hydraulic Hi-Lo Solenoid Valve (24/24-Speed Transmission only), Circuit/Harness Test................480
  Group S19: SE19—Controller Area Network (CAN)................251
    SE19—Controller Area Network (CAN) (Summary of References)................484
    Diagnostic Schematic, SE19—Controller Area Network (CAN)................485
    Diagnostic Schematic, SE19 - Controller Area Network (CAN)................487
    Controller Area Network (CAN) Theory of Operation................489
    Controller Area Network (CAN), Voltage Checks................490
  Group SE20: SE20 - Transmission Control Unit................251
    SE20 - Transmission Control Unit, Summary of References................494
    Transmission Control Unit, Functional Schematic................495
    B60 - Transmission Oil Temperature Sensor, Circuit and Harness Test................497
    B63 - High Range/Low Range Switch on Transmission, Circuit and Harness Test................499
    B64 - Reverse Drive Lever Switch, Circuit and Harness Test................501
    B65 - Clutch Pedal Potentiometer, Circuit and Harness Test................503
    B73 - Oil Filter Restriction Sensor, Circuit and Harness Test................505
    B104 - Top Shaft Speed Sensor, Circuit and Harness Test................507
    B300 - Forward High Clutch Pressure Sensor, Circuit and Harness Test................510
    B301 - Forward Low Clutch Pressure Sensor, Circuit and Harness Test................512
    B302 - Reverse Clutch Pressure Sensor, Circuit and Harness Test................514
    B303 - EHM III System Pressure Sensor, Circuit and Harness Test................516
    B350 - PTO Pressure Sensor, Circuit and Harness Test................518
    S21/C - PTO Mode Switch (EHM III), Circuit/Harness Test................520
    S50 - Calibration Switch, Circuit and Harness Test................522
    S72 - Clutch Pedal Switch, Circuit/Harness Test................524
    S350 - PTO Switch, Circuit/Harness Test................526
    Y04 - PTO Solenoid Valve, Circuit/Harness Test................528
    Y51 - Reverse Clutch Solenoid Valve, Circuit/Harness Test................530
    Y52 - Forward Low Clutch Solenoid Valve, Circuit/Harness Test................532
    Y53 - Forward High Clutch Solenoid Valve, Circuit/Harness Test................534
    Y300 - EHM III Shut-Off Solenoid Valve, Circuit/Harness Test................536
    Y350 - PTO Main Solenoid Valve, Circuit/Harness Test................538
  Group 105: Component Information—Connectors................252
    Component Location - Connectors (Summary of References)................544
    X01—1-Pin Connector for Shut-off Solenoid Valve Y13................548
    X04—6-Pin Connector Between Wiring Harnesses W02 and W07................549
    X06—3-Pin Connector Between Wiring Harnesses W01 and W10................551
    X07—15-Pin Interconnection between Wiring Harnesses W01 and W02................552
    X09—9-Pin Interconnection between Wiring Harnesses W01 and W09................554
    X10—2-Pin Interconnection between Wiring Harnesses W01 and W10................556
    X16 - 9-Pin Com-Port for Diagnostic Connector to PC................557
    X17—3/1-Pin Connectors for 3-Pin Power Outlet................559
    X18—7-Pin Connector for 7-Pin Trailer Socket................560
    X19—36-Pin Connector for Instrument Panel................562
    X23—3-Pin Connector for Hi-Lo Switches (S52 and S53)................565
    X24—4-Pin Connector for E13, H32, and H35 Lights Left-Hand Side................567
    X25—4-Pin Connector for E14, H33, and H45 Lights Right-Hand Side................569
    X27—2-Pin Interconnection Between Wiring Harnesses W02 and W08................571
    X32 —3-Pin Connector for E03 and H34 Lights Left-Hand Side................572
    X33—3-Pin Connector for E04 and H44 Lights Right-Hand Side................574
    X41—4-Pin Interconnection between Wiring Harnesses W11/1 and W11/2 (EHS II)................576
    X42—3-Pin Connector for Diagnostic (EHS II) to PC................578
    X44—3-Pin Interconnection between EHS II Control Panel A210 and Adapter Wiring Harness W11/3 (EHS II)................580
    X45—3-Pin Interconnection between EHS II Control Panel A210 and Wiring Harness W11/4 (EHS II)................581
    X56—4-Pin Interconnection between Wiring Harnesses W05/W12 and W14................582
    X100—16-Pin Connector for Fuse Box................584
    X103 - 14-Pin Interconnection Between Wiring Harnesses W02 and W03................585
    X104—9-Pin Connector for Diagnostic Socket (CAN Bus)................587
    X110—1-Pin Connector for Front PTO................589
    X111—2-Pin Interconnection Between Wiring Harnesses W02 and W05/W12................590
    X112—3/1-Pin Connectors for Cigarette Lighter................591
    X113—6-Pin Connector for H4 Light Harness................592
    X114—6-Pin Connector for Multifunction Lever S09................594
    X116—2-Pin Connector for Independent PTO Switch S21/A................596
    X117—1-Pin Connector for Starting Motor M01................597
    X118—2-Pin Connector Between Wiring Harnesses W02 and W05/W12................598
    X122—8-Pin Connector for Radio................600
    X123—2-Pin Interconnection Between Wiring Harnesses W05/W12 and W08................602
    X124—2-Pin Interconnection Between Wiring Harnesses W05/W12 and W15................603
    X125—4-Pin Connector for Rear Wiper Motor M04................605
    X126—2-Pin Interconnection Between Wiring Harnesses W05/W12 and W15................607
    X127—2-Pin Connector for Washer Pump Motor M05................608
    X128—8-Pin Connector for Radio Speakers A05 and A06................610
    X129—2/1-Pin Connectors for Radio Speaker A05................612
    X130—2/1-Pin Connectors for Radio Speaker A06................613
    X131—1-Pin Interconnection Between Wiring Harness W05/W12 and Compressor Wiring Harness W16/W17................614
    X132—1-Pin Connector for W05 and W12, Cab Wiring Harness Power Supply................615
    X138—2-Pin Interconnection Between Wiring Harnesses W05/W12 and W08................616
    X139—14-Pin Interconnection Between Wiring Harnesses W11/1 and W11/3 (EHS II)................617
    X140—2-Pin Interconnection Between Wiring Harnesses W11/3 and W11/4 (EHS II)................619
    X142—1-Pin Interconnection Between Relay K18 and Alternator G02................621
    X143—1-Pin Interconnection Between Fuse F24 and Alternator G02................622
    X144—2-Pin Interconnection Between Wiring Harnesses W02 and W08................623
    X153—6-Pin Interconnection Between Wiring Harnesses W12 and W13................624
    XA210—12-Pin Connector for EHS II Control Panel A210................626
    XA320 - 56-Pin Connector for Transmission Control Unit A320................628
    XB02—2/1-Pin Connectors for Air Filter Restriction Sensor B02................634
    XB03—2-Pin Connector for Fuel Level Sensor B03................635
    XB04—1-Pin Connector for Engine Oil Pressure Switch B04................636
    XB05—4-Pin Connector for Parking Brake Switch B05................637
    XB06—3-Pin Connector for Transmission Speed Sensor B06................639
    XB07/A—2-Pin Connector for PTO Speed Selector Switch B07/A................640
    XB07/B—2-Pin Connector for PTO Speed Selector Switch B07/B................641
    XB08—3/1-Pin Connectors for PTO Safety Switch B08................642
    XB15—2-Pin Connector for Air-Conditioning Pressure Switch B15................644
    XB36—2/1-Pin Connectors for Neutral Start Switch B36................645
    XB56—2-Pin Connector for Coolant Temperature Sensor B56................646
    XB60 - 2-Pin Connector for Transmission Oil Temperature Sensor B60................647
    XB63 - 2-Pin Connector for High Range/Low Range Switch on Transmission B63................649
    XB64 - 4-Pin Connector for Reverse Drive Lever Switch B64................651
    XB65 - 6-Pin Connector for Clutch Pedal Potentiometer B65................653
    XB69—2/1-Pin Connectors for Brake Oil Level Sensor B69................655
    XB72—2-Pin Connector for Engine Speed Sensor B72................656
    XB73 - 2-Pin Connector for Oil Filter Restriction Sensor B73................658
    XB104 - 4-Pin Connector for Top Shaft Speed Sensor B104................660
    XB112—3/1-Pin Connectors for Brake Pedal Switches B112................662
    XB150—3-Pin Connector for Thermostat B150................664
    XB151—4-Pin Connector for Resistor B151................665
    XB200—6-Pin Connector for Position Sensor B200 (EHS II)................666
    XB201—6-Pin Connector for Draft Sensor B201 (EHS II)................668
    XB300 - 3-Pin Connector for Forward High Clutch Pressure Sensor B300................670
    XB301 - 3-Pin Connector for Forward Low Clutch Pressure Sensor B301................672
    XB302 - 3-Pin Connector for Reverse Clutch Pressure Sensor B302................674
    XB303 - 2-Pin Connector for EHM III Pressure Sensor B303................676
    XB350 - 2-Pin Connector for PTO Shut OFF Pressure Sensor B350................678
    XD50 - 6-Pin Connector for Transmission Enable Diode D50................680
    XE01—3/1-Pin Connectors for Right-Hand Side Headlight E01................681
    XE02—3/1-Pin Connectors for Left-Hand Side Headlight E02................683
    XE07—3-Pin Connector for Left-Hand Side H4 Farm Headlight E07................685
    XE08—3-Pin Connector for Right-Hand Side H4 Farm Headlight E08................686
    XE11/L—2-Pin Connector for Left-Hand Side Rear Work Light E11/L................687
    XE11/R—2-Pin Connector for Right-Hand Side Rear Work Light E11/R................688
    XE12—2/1-Pin Connectors for Dome Light E12................689
    XE18/1L—2-Pin Connector for Left-Hand Side Front Work Light E18/1L (Inner)................690
    XE18/1R—2-Pin Connector for Right-Hand Side Front Work Light E18/1R (Inner)................691
    XE18/2L—2-Pin Connector for Left-Hand Side Front Work Light E18/2L (Outer)................692
    XE18/2R—2-Pin Connector for Right-Hand Side Front Work Light E18/2R (Outer)................693
    XE21—2-Pin Connector for License Plate Light E21 (Without Cab)................694
    XE21/B—2-Pin Connector for License Plate Light E21 (With Cab)................695
    XE27—2/1-Pin Connectors for Beacon Light E27................696
    XE30—2/1-Pin Connectors for Spot Light E30................698
    XF00—2-Pin Connector for Main Fuse F00................699
    XF17—2-Pin Connector for Main Fuse F17................700
    XF18 to XF23—Connectors for Cab Fuses (F18 to F23)................702
    XF24—2-Pin Connector for Fuse F24 for Power Supply to Relay K18................703
    XG02—3/1-Pin Connectors for Alternator G02................704
    XH01—2/1-Pin Connectors for Horn H01................706
    XK01—5-Pin Connector for Starter Relay K01................707
    XK02—5-Pin Connector for Hi-Lo Relay (ON)................709
    XK03—5-Pin Connector for Hi-Lo Relay (OFF)................711
    XK08—6-Pin Connector for Turn/Warn Signal Relay K08................713
    XK10—5-Pin Connector for Intake Air Heater Relay K10................715
    XK15 - 5-Pin Connector for Declutch Relay K15................717
    XK18—5-Pin Connector for Relay K18 (EHS II)................719
    XK19—5-Pin Connector for Low Beam Relay K19................721
    XK20—5-Pin Connector for High Beam Relay K20................723
    XK21—5-Pin Connector for PTO Relay K21................725
    XK22—5-Pin Connector for Cab Power Supply Relay K22................727
    XK23—5-Pin Connector for Front Work Light Relay K23................729
    XK24—5-Pin Connector for Rear Work Light Relay K24................731
    XK25—5-Pin Connector for Compressor Clutch Relay K25................733
    XK26—5-Pin Connector for High Beam Relay K26 of H4 Farm Headlights................735
    XK27—5-Pin Connector for Low Beam Relay K27 of H4 Farm Headlights................737
    XK28—4-Pin Connector for Relay K28................739
    XK50 - 5-Pin Connector for PTO Shut Off Relay K50................741
    XK350 - 5-Pin Connector for PTO Relay K350................743
    XM01—Connectors for Starting Motor M01................745
Section 245: Electronic Control Units................1156
  Group 05: Operation and General Information on Diagnostics................1156
    Operation and General Information on Diagnostics (Summary of references)................1159
    General Operating Instructions................1160
    Connectivity from Service ADVISOR™ to Control Units................1162
    Procedure for Dealing with Diagnostic Trouble Codes................1167
  Group 15: Information on How to Reprogram Control Units................1156
    Information on How to Reprogram Control Units - Summary of References................1170
    General Information on How to Reprogram Control Units................1171
    Live With Safety................1172
    Software Data Files Available for Downloading................1173
    Procedure When Replacing Control Units................1174
    Important Notes on Programming................1175
    Procedure When Programming Control Units................1176
    Procedure in the Event of a Programming Problem................1177
  Group TCU: TCU - Transmission Control Unit................1156
    TCU - Transmission Control Unit - Summary of References................1179
    Transmission Control Unit - On-Board Configuration................1180
    Failure Codes and Calibration Messages (TCU)................1186
    Transmission Control Unit - On-Board Configuration and Calibration Values................1191
    Transmission Control Unit Software Information................1192
    Transmission Control Unit Speed Information................1193
    Clutch Pedal, Operational Check................1194
    Reverse Drive Lever, Operational Check................1195
    Voltage, Operational Check................1196
    Forward High Clutch, Operational Check................1197
    Forward Low Clutch, Operational Check................1198
    Reverse Clutch, Operational Check................1199
    Power Take Off (PTO), Operational Check................1200
    Main Ring Pressure, Operational Check................1201
  Group EHS: EHS II - Electronic Hitch Sensing................1156
    EHS II - Electronic Hitch Sensing (Summary of References)................1203
    Calibration of the EHS II System................1204
    Failure Codes and Calibration Messages (EHS II)................1206
    Electronic Hitch Sensing, System Information................1207
    Electronic Hitch Sensing, Operational Check (EHS II)................1208
Section 250: Power Train................1209
  Group 05: Component Location................1209
    Summary of References—Component Location................1212
    Component Location Information................1506
    Mechanical Power Train Components................1214
    Clutch Components................1216
    Transmission Components — 12/12-Speed Transmission................1218
    Transmission Components — 24/24-Speed Transmission (Mechanical High-Low Version)................1220
    Transmission Components — 24/24-Speed Transmission (Hydraulic High-Low Version)................1222
  Group 10: Theory of Operation................1209
    Summary of References - Theory of Operation................1655
    Theory of Operation Information................1656
    Clutch Operation................1227
    Transmission Power Flow - Mechanical High-Low................1234
    Transmission Power Flow - Electrohydraulic High-Low................1236
    Transmission Synchronizer Operation - Mechanical High-Low................1238
    Clutch Operation - Electrohydraulic High-Low................1240
    Transmission Power Flow - Reverse Speed Gears................1242
    Transmission Power Flow - Forward Speed Gears................1244
    Transmission Synchronizer Operation - Reverse, Forward, 1st, 2nd, 3rd and 4th Gear................1246
    Transmission Power Flow - Range Shift................1248
  Group 15: Diagnosis, Tests and Adjustments................1209
    Summary of References - Diagnosis, Tests and Adjustments................1459
    Specifications................1589
    Diagnostic Information................1677
    Jerky or Rough Transmission................1254
    Major Transmission Check................1255
    Low Transmission Oil Level (Excessive Oil Leakage)................1260
    Gears Clash, Shift Hard, or Will Not Engage................1261
    Two Speeds Engage Together................1262
    Transmission Will Not Stay in Gear................1263
    Transmission Noisy................1264
    Clutch Pedal Free Play Adjustment................1265
Section 251: 24/12-Speed Transmission................1267
  Group 10: Operational Checks................1267
    Transmission - Introductory Checks................1272
    24/12 Transmission - Operational Checks................1276
  Group 15: Tests and Adjustments................1267
    24/12 Transmission, Tests and Adjustments - Summary of References................1282
    Hydraulic System - Safety Measures for Hydraulic Checks................1283
    Connect SensoControl Test Equipment................1351
    24/12 Transmission, Tests and Adjustments - Test Ports................1286
    24/12 Transmission, Tests and Adjustments - System Check................1289
    24/12 Transmission, Tests and Adjustments - EHM III Circuit Pressure Check................1295
    24/12 Transmission, Tests and Adjustments - EHM III Pressure Relief Valve Check................1297
    24/12 Transmission, Tests and Adjustments - Forward High Clutch Pressure Check................1298
    24/12 Transmission, Tests and Adjustments - Forward Low Clutch Pressure Check................1300
    24/12 Transmission, Tests and Adjustments - Reverse Clutch Pressure Check................1302
    24/12 Transmission, Tests and Adjustments - Oil Cooler Flow Test................1304
    24/12 Transmission, Tests and Adjustments - Lube Valve Check................1306
    24/12 Transmission, Tests and Adjustments - Oil Cooler Bypass Valve Check................1308
    24/12 Transmission, Tests and Adjustments - Clutch Leakage Check................1310
    24/12 Transmission, Tests and Adjustments - Test Result Table................1313
    Hydraulic System - Heat Up the Hydraulic Oil................1315
  Group 20: Theory of Operation................1267
    24/12-Speed Transmission - Theory of Operation, Summary of References................1317
    24/12-Speed Transmission - Theory of Operation, Layout of Valves and Components................1318
    24/12-Speed Transmission - Theory of Operation, Power Flow................1320
    24/12-Speed Transmission - Theory of Operation, Hydraulic Schematic................1323
    24/12-Speed Transmission - Theory of Operation, EHM III Valves................1325
    24/12-Speed Transmission - Theory of Operation, Auxiliary Valves................1327
    24/12-Speed Transmission - Theory of Operation, Cooling and Lube Circuit................1328
    24/12-Speed Transmission - Theory of Operation, Air Pump................1330
Section 256: Drive Systems................1331
  Group 05: Component Location................1331
    Drive Systems - Component Location, Summary of References................1334
    Drive Systems - Component Location Information................1506
    Front-Wheel Drive Components—Mechanically Shifted................1336
    Front-Wheel Drive Components - Electro-Hydraulically Shifted................1337
    Differential Components................1339
    Differential Lock Components................1340
    Differential Lock Components (Hydraulic Version)................1341
    Final Drive Components................1343
    Final Drive Components (HighCrop Tractor)................1344
    Hydraulic PTO Clutch Components................1345
    Rear PTO Components—540 and 540E/1000 RPM................1347
    Ground Drive PTO Components................1348
  Group 15: Tests and Adjustments................1331
    Drive Systems - Tests and Adjustments, Summery of References................1350
    Connect SensoControl Test Equipment................1351
    Drive Systems, Tests and Adjustments - Test Ports and Test Equipment................1352
    Pressure Relief Valve - Pressure check................1354
    Hydraulic Front-Wheel Drive Clutch - Pressure Check................1356
    Hydraulic Differential Lock - Pressure Check................1358
    Hydraulic Rear PTO Clutch - Pressure Check................1360
    Hydraulic Rear PTO Brake - Pressure Check................1362
    Lube Oil Pressure Check................1363
    Drive Systems - Tests and Adjustments, Test Result Table................1365
    Front-Wheel Drive Lever Will Not Stay in Off Position................1366
    Problem with Noises when Driving with Front-Wheel Drive Engaged................1331
    Unusual Vibrations when Driving with Front-Wheel Drive Engaged................1331
    Excessive Differential Noise................1376
    Differential Does Not Work................1377
    Differential Lock Does Not Work................1378
    Differential Chatters................1379
    Axle Noise................1380
    Axle Shaft Will Not Turn................1381
    PTO Noisy................1382
    PTO Hard to Engage................1383
    PTO Will Not Operate................1384
    PTO Will Not Stay Engaged................1386
    PTO Clutch Lever Adjustment................1387
  Group 20A: Front-Wheel Drive................1332
    Front-Wheel Drive - Theory of Operation, Summery of References................1391
    Front-Wheel Drive - Theory of Operation, Summery of References................1391
    Front-Wheel Drive Operation - Mechanically Shifted................1392
    Front-Wheel Drive Operation - Electro-Hydraulically Shifted................1394
  Group 20B: Differential................1332
    Differential - Theory of Operation, Summery of References................1399
    Differential Power Flow................1400
    Differential Lock Operation................1402
    Differential Lock Operation (Hydraulic Version)................1404
  Group 20C: Final Drives................1332
    Final Drives - Theory of Operation, Summery of References................1407
    Final Drive Operation................1408
    Final Drive Operation (HighCrop Tractor)................1410
  Group 20D: Rear PTO................1332
    Rear PTO - Theory of Operation, Summery of References................1413
    Operation of PTO Dry Clutch................1414
    Electro-Hydraulic Rear PTO - Description................1415
    Electro-Hydraulic Rear PTO - PTO Solenoid Valves................1417
    Electro-Hydraulic Rear PTO - PTO Clutch and PTO Brake................1422
    Ground Drive and Electro-Hydraulic Rear PTO - Power Flows................1425
    540/540E and 540/1000 rpm Rear PTO Operation................1427
    Ground Drive and Independent Rear PTO Operation................1429
Section 260: Steering and Brake Systems................1431
  Group 05: Component Location................1431
    Summary of References - Component Location................1505
    Component Location Information................1506
    Steering System Components................1436
    Brake System Components................1437
    Trailer Brake System Components................1439
  Group 10: Theory of Operation................1431
    Summary of References - Theory of Operation................1655
    General Information................1648
    Steering System Operation................1443
    Steering Valve Operation - Neutral and Manual Turning................1445
    Steering Valve Operation - Power Turning................1447
    Brake System Operation................1449
    Brake Cylinder Operation - Brake Pedal Depressed................1451
    Brake Cylinder Operation - Brake Pedal Released................1452
    Trailer Brake System Operation................1453
    Trailer Brake Valve Operation................1455
  Group 15: Diagnosis, Tests and Adjustments................1431
    Summary of References - Diagnosis, Tests and Adjustments................1459
    Essential Tools................1460
    Specifications................1589
    Diagnostic Information................1677
    Steering System Operational Check................1464
    Steering System Diagnosis................1465
    Steering Sluggish or Loss of Steering................1470
    Brake System Operational Check................1471
    Brake System Diagnosis................1472
    Excessive Brake Pedal Leak-Down................1474
    Excessive Brake Chatter................1475
    Trailer Brake Valve Operational Check................1476
    Trailer Brake Valve Troubleshooting................1477
    Steering Pump Flow Test................1593
    Steering Valve Relief Test................1481
    Steering Cylinder Leakage Test................1482
    Steering Valve Leakage Test................1483
    Toe-In Check and Adjustment................1485
    Toe-In Check and Adjustment (Front-Wheel Drive Axle)................1488
    Steering Stop Adjustment................1490
    Steering Stop Adjustment (Front-Wheel Drive Axle)................1492
    Brake Pedal Adjustment................1494
    Park Brake Adjustment................1496
    Bleed Brake System................1498
Section 270: Hydraulic System................1501
  Group 05: Component Location................1501
    Summary of References - Component Location................1505
    Component Location Information................1506
    Hydraulic System Components - Steering and Front-Wheel Drive (12/12-Speed Transmission)................1507
    Hydraulic System Components - Steering and Front-Wheel Drive with Mechanical Hi-Lo (24/24-Speed Transmission)................1508
    Hydraulic System Components - Steering and Front-Wheel Drive with Hydraulic Hi-Lo (24/24-Speed Transmission)................1509
    Hitch Control Lever Linkage Components................1511
    SCVs with Levers and Flow Divider Valve................1513
  Group 10: Theory of Operation................1501
    Summary of References—Theory of Operation................1517
    General Information................1648
    Hydraulic System Operation................1519
    Oil Cooler Operation................1522
    Hydraulic Filter Operation................1524
    Hydraulic Pump Operation................1526
    Hydraulic System Operation - Steering and Front-Wheel Drive with Mechanical Hi-Lo (24/24-Speed Transmission)................1528
    Hydraulic System Operation - Steering and Front-Wheel Drive with Hydraulic Hi-Lo (24/24-Speed Transmission)................1530
    Rockshaft Control Valve Operation - Neutral Position................1533
    Rockshaft Control Valve Operation - Raise Position................1535
    Rockshaft Control Valve Operation - Lower Position................1537
    Rockshaft Draft - Sensing Operation................1539
    Electro-Hydraulic Hitch Sensing II Operation - Neutral Phase................1541
    Electro-Hydraulic Hitch Sensing II Operation - Loading Phase................1543
    Electro-Hydraulic Hitch Sensing II Operation - Discharge Phase................1545
    Double-Acting Selective Control Valve – Neutral Position................1547
    Double-Acting Selective Control Valve – Position 1................1549
    Double-Acting Selective Control Valve – Position 2................1551
    Double-Acting Selective Control Valve - Float Position................1553
    Double-Acting Sleeve Coupler Operation................1555
    Flow Divider Valve without Solenoid Valve Operation................1557
  Group 15: Diagnosis................1502
    Summary of References - Diagnosis................1560
    Safety Precautions................1561
    Diagnostic Information................1677
    Hydraulic Oil Warm-Up Procedure................1563
    Hydraulic System Major Test................1564
    Hydraulic System Diagnosis................1567
    Insufficient Pump Delivery................1573
    Hydraulic Functions Too Slow................1574
    Excessive Pump Pressure................1575
    Slow Hydraulic Pump Response................1576
    Excessive Pump Noise During Operation................1577
    Rockshaft Does Not Lift or Lifts Slowly................1578
    Rockshaft Does Not Lower or Lowers Slowly................1579
    Neutral Position Unstable, Rockshaft Drops After Engine Shut-Down................1580
    SCV Control Lever Does Not Return to Neutral Position................1581
    SCV Does Not Return to Neutral Position - SCV With Detent Position................1582
    SCV Does Not Remain In Detent Position - SCV With Detent Position................1583
    Remote Cylinder Does Not Extend or Retract................1584
    Remote Cylinder Settles Under Load................1585
    Remote Cylinder Operates Too Fast or Too Slow................1586
  Group 20: Tests................1502
    Summary of References - Tests................1588
    Specifications................1589
    Hydraulic System Tests - with SCV................1590
    Hydraulic System Tests................1591
    Transmission Hydraulic System................1592
    Pump Flow Test................1593
    SCV Relief Valve Test................1595
    SCV Leakage Test................1596
    EHS II Leakage Test................1597
    Rockshaft Lift Cycle Test................1598
  Group 25: Adjustments................1502
    Summary of References - Adjustments................1601
    Rockshaft Control Lever Friction Adjustment................1602
    Hitch Sensitivity Adjustment................1603
    Rockshaft Position Control Adjustment................1605
    Rockshaft Draft Control Adjustment................1607
    Electro-Hydraulic Hitch Sensing II Adjustment - Draft Sensor Rod Adjustment................1609
    Rockshaft Safety and Relief Valve Adjustment................1611
    Electro-Hydraulic Hitch Sensing Adjustment - Electro-Hydraulic Valve Adjustment................1613
    Electro-Hydraulic Hitch Sensing Adjustment - Backstop Limit Switch Adjustment................1615
    SCV Relief Valve Adjustment................1617
    Flow Divider Valve Adjustment................1618
  Group 30: Hydraulic System Schematics................1503
    Summary of References - Hydraulic System Schematics................1621
    Hydraulic Symbols................1622
    12/12-Speed Transmission - Steering System without Front-Wheel Drive................1625
    24/24-Speed Transmission - Steering System and Front-Wheel Drive with Mechanical Hi-Lo................1627
    24/24-Speed Transmission - Steering System and Front-Wheel Drive with Electro-Hydraulic Hi-Lo................1629
    SCV and Hitch with Flow Divider................1631
Section 280: Miscellaneous................1635
  Group 10: Operational Checks................1635
    Operational Test on Front-Wheel Drive Axle................1639
    Checking Positive Front-Wheel Lead on Front-Wheel Drive Axle................1642
Section 290: Air-Conditioning System................1646
  Group 05: Component Location................1646
    General Information................1648
    Air-Conditioning System Components................1649
    Heating System Components................1652
  Group 10: Theory of Operation................1646
    Summary of References - Theory of Operation................1655
    Theory of Operation Information................1656
    Principle of Heat Exchange................1657
    R134a Refrigerant................1672
    Operation of Air-Conditioning System - Air Flow................1659
    Air-Conditioning System Operation................1661
    Compressor................1663
    Condenser................1664
    Receiver-Drier................1665
    Expansion Valve................1666
  Group 15: Diagnosis, Tests and Adjustments................1646
    Summary of References — Diagnosis, Tests and Adjustments................1668
    Safety Equipment................1669
    In an Emergency................1670
    Storage of Refrigerant Containers................1671
    R134a Refrigerant................1672
    Important Note................1673
    Special or Essential Tools................1674
    Special Tools................1675
    Diagnostic Information................1677
    Air-Conditioning System Diagnosis................1678
    Pressure Deviations................1687
    Air-Conditioning System Troubleshooting................1689
    Failure Of Mechanical Type................1693
Section 299: Special Tools................1695
  Group 05: Special Tools (Dealer-Fabricated)................1695
    Summary of References — Dealer-Manufactured Tools................1697
    Draft Control Adjusting Tool................1698
  Group 10: Special Tools (Available as Spare Parts)................1695
    Special Tools (Available as Spare Parts) - Summary of References................1700
    D01019AA - Single-Speed Hydraulic Hand Pump Assembly................1701
    FKM10475 - Adjusting Tool................1702
    JT05791A - Multimeter................1703
    JT05800 - Digital Thermometer................1704
    KJD10491—Diagnostic Interface Cable................1705
    JT02153—Current Clamp-On Probe................1706
    JDG10555 - Air-Conditioning Service Unit................1707
    FKM10470 - Pressure Measuring System (Stage 1)................1708
    FKM10471 - Pressure Measuring System (Stage 2)................1709
    FKM10472 - Flow Measurement System................1710
    FKM10472-4 - Temperature Sensor................1711
    KJD10589 - Hydraulic Test Kit for Transmission Diagnostics................1712
    
Technical Manual (Diagnosis & Tests) for John Deere Tractors Models 5090G, 5090GV, 5090GF, 5100GV, 5100GF, 5090GH, 5080GV, 5080GF, 5080G - TM402419