Complete Operation & Test manual with Electrical Wiring Diagrams for John Deere Crawler Dozer 450J, with workshop information to maintain, diagnose, rebuild like professional mechanics.

John Deere Crawler Dozer 450J workshop Diagnostics & Test 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.

TM12272 English - John Deere 450J Crawler Dozer Technical Manual - Operation & Test.PDF
tm12273 French - 450J (216243— ) Bouteur chenillé
tm12274 Spanish - 450J (216243— ) Bulldozer sobre orugas

MAIN SECTIONS
 Foreword
   Technical Information Feedback Form
   General Information
      Safety
   Diagnostic Trouble Codes (DTC)
      Standard Display Monitor (SDM) Diagnostic Trouble Codes
      Engine Control Unit (ECU) Diagnostic Trouble Codes
      Transmission Control Unit (TCU) Diagnostic Trouble Codes
      Electrohydraulic Controller (EHC) Diagnostic Trouble Codes
      Blade Control Joystick (BCJ) Diagnostic Trouble Codes
   Operational Checkout Procedure
      System Operational Checks
   Engine
      Theory Of Operation
      Diagnostic Information
      Tests
   Electrical System
      System Information
      System Diagrams
      Sub-System Diagnostics
      Monitor Operation
      References
   Hydraulic System
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests
   Hydrostatic System
      Theory of Operation
      Diagnostic Information
      Test
   Heating and Air Conditioning
      Theory of Operation
      Diagnostic Information
      Test

TABLE OF CONTENTS
Section 9000: General Information....16
  Group 01: Safety....16
    Recognize Safety Information....18
    Follow Safety Instructions....19
    Operate Only If Qualified....20
    Wear Protective Equipment....21
    Avoid Unauthorized Machine Modifications....22
    Inspect Machine....23
    Stay Clear of Moving Parts....24
    Avoid High-Pressure Fluids....25
    Avoid High-Pressure Oils....26
    Beware of Exhaust Fumes....27
    Prevent Fires....28
    Prevent Battery Explosions....29
    Handle Chemical Products Safely....30
    Dispose of Waste Properly....31
    Prepare for Emergencies....32
    Add Cab Guarding For Special Uses....33
    Start Only From Operator's Seat....34
    Prevent Unintended Machine Movement....35
    Avoid Work Site Hazards....36
    Keep Riders Off Machine....38
    Avoid Backover Accidents....39
    Avoid Machine Tip Over....40
    Prevent Unintended Detonation of Explosive Devices....42
    Park And Prepare For Service Safely....43
    Service Cooling System Safely....44
    Remove Paint Before Welding or Heating....45
    Make Welding Repairs Safely....46
    Drive Metal Pins Safely....47
Section 9001: Diagnostic Trouble Codes (DTC)....48
  Group 10: Standard Display Monitor (SDM) Diagnostic Trouble Codes....55
    Standard Display Monitor (SDM) Diagnostic Trouble Codes....55
    000096.03 - Fuel Level Sender Open or Short....48
    000096.04 - Fuel Level Sender Short to Gnd....48
    000107.03 - Eng Air Filter Short to Power....48
    000107.04 - Eng Air Filter Restricted....48
    000177.03 - Trans Oil Temp Open or Short to Power....48
    000177.04 - Trans Oil Temp Short to Gnd....48
    000177.16 - Transmission Oil Temperature High....48
    000609.09 - CAN Comm No TCU Msg....48
    001638.00 - Hydraulic Oil High Temp....48
    001638.03 - Hydraulic Oil Temp Short to Power....48
    001638.04 - Hydraulic Oil Temp Short to Gnd....48
    001713.31 - Hydraulic Oil Filter Restricted....48
    002000.09 - CAN Comm No ECU Config....48
    003156.09 - CAN Blade Mode Missing From EHC....48
    003359.31 - Trans Oil Filter Restricted....48
  Group 20: Engine Control Unit (ECU) Diagnostic Trouble Codes....87
    Engine Control Unit (ECU) Diagnostic Trouble Codes....87
    000091.09 - CAN Throttle Missing from TCU....48
  Group 30: Transmission Control Unit (TCU) Diagnostic Trouble Codes....92
    Transmission Control Unit (TCU) Diagnostic Trouble Codes....92
    000070.00 - Park Lock Lever Inputs Both On....48
    000070.01 - Park Lock Lever Inputs Both Off....48
    000091.00 - Throttle Sensor Input Greater Than Max Cal....48
    000091.01 - Throttle Sensor Input Less Than Min Cal....48
    000091.03 - Throttle Sensor Short to Power....48
    000091.04 - Throttle Sensor Open or Short....48
    000091.15 - Throttle Sensor Min Cal Too High....48
    000091.16 - Throttle Sensor Max Cal Too High....48
    000091.17 - Throttle Sensor Min Cal Too Low....48
    000091.18 - Throttle Sensor Max Cal Too Low....49
    000158.03 - TCU System Volts Too High....49
    000158.04 - TCU System Volts Too Low....49
    000177.00 - Transmission Overtemp....49
    000190.09 - CAN Comm No Engine Speed....49
    000521.00 - Decel Sensor Input Greater Than Max Cal....49
    000521.01 - Decel Sensor Input Less Than Min Cal....49
    000521.03 - Decel Sensor Short to Power....49
    000521.04 - Decel Sensor Open or Short....49
    000521.05 - Decel Sensor Brake Cal Too Low....49
    000521.06 - Decel Sensor Brake Cal Too High....49
    000521.15 - Decel Sensor Min Cal Too High....49
    000521.16 - Decel Sensor Max Cal Too High....49
    000521.17 - Decel Sensor Min Cal Too Low....49
    000521.18 - Decel Sensor Max Cal Too Low....49
    000581.00 - Speed Buttons Input Greater Than Max Cal....49
    000581.01 - Speed Buttons Input Less Than Min Cal....49
    000581.03 - Speed Buttons Short to Power....49
    000581.04 - Speed Buttons Open or Short....49
    000581.15 - Speed Buttons Min Cal Too High....49
    000581.16 - Speed Buttons Max Cal Too High....49
    000581.17 - Speed Buttons Min Cal Too Low....49
    000581.18 - Speed Buttons Max Cal Too Low....49
    000604.03 - TCL Neut Switch Open Circuit....49
    000604.04 - TCL Neut Switch Short Circuit....49
    000604.15 - TCL Neut Switch Min Cal Too High....49
    000604.16 - TCL Neut Switch Max Cal Too High....49
    000604.17 - TCL Neut Switch Min Cal Too Low....49
    000604.18 - TCL Neut Switch Max Cal Too Low....49
    000619.05 - Park Brake Solenoid No Response....49
    000620.03 - Sensor Supply Short to Power....49
    000620.04 - Sensor Supply Short to Gnd....49
    000907.03 - Left Speed Sensor Short to Power....49
    000907.04 - Left Speed Sensor Short....50
    000907.07 - Left Speed Sensor No Response....50
    000907.12 - Left Speed Sensor Open....50
    000908.03 - Right Speed Sensor Short to Power....50
    000908.04 - Right Speed Sensor Short....50
    000908.07 - Right Speed Sensor No Response....50
    000908.12 - Right Speed Sensor Open....50
    002660.00 - Steer Sensor Input Greater Than Max Cal....50
    002660.01 - Steer Sensor Input Less Than Min Cal....50
    002660.03 - Steer Sensor Short to Power....50
    002660.04 - Steer Sensor Open or Short....50
    002660.15 - Steer Sensor Min Cal Too High....50
    002660.16 - Steer Sensor Max Cal Too High....50
    002660.17 - Steer Sensor Min Cal Too Low....50
    002660.18 - Steer Sensor Max Cal Too Low....50
    002661.00 - TCL Input Greater Than Max Cal....50
    002661.01 - TCL Input Less Than Min Cal....50
    002661.03 - TCL Sensor Short to Power....50
    002661.04 - TCL Sensor Open or Short....50
    002661.15 - TCL Sensor Min Cal Too High....50
    002661.16 - TCL Sensor Max Cal Too High....50
    002661.17 - TCL Sensor Min Cal Too Low....50
    002661.18 - TCL Sensor Max Cal Too Low....50
    522444.00 - Charge Pressure High....50
    522444.01 - Charge Pressure Low....50
    522444.03 - Charge Pressure Short to Power....50
    522444.04 - Charge Pressure Open or Short....50
    522447.05 - Right Fwd Pump Coil Open....50
    522447.06 - Right Fwd Pump Coil Short....50
    522447.15 - Right Fwd Pump Thresh Cal High....50
    522447.16 - Right Fwd Pump Max Spd Cal High....50
    522447.17 - Right Fwd Pump Thresh Cal Low....50
    522447.18 - Right Fwd Pump Max Spd Cal Low....50
    522448.05 - Right Rev Pump Coil Open....51
    522448.06 - Right Rev Pump Coil Short....51
    522448.15 - Right Rev Pump Thresh Cal High....51
    522448.16 - Right Rev Pump Max Spd Cal High....51
    522448.17 - Right Rev Pump Thresh Cal Low....51
    522448.18 - Right Rev Pump Max Spd Cal Low....51
    522449.05 - Left Rev Pump Coil Open....51
    522449.06 - Left Rev Pump Coil Short....51
    522449.15 - Left Rev Pump Thresh Cal High....51
    522449.16 - Left Rev Pump Max Spd Cal High....51
    522449.17 - Left Rev Pump Thresh Cal Low....51
    522449.18 - Left Rev Pump Max Spd Cal Low....51
    522450.05 - Left Fwd Pump Coil Open....51
    522450.06 - Left Fwd Pump Coil Short....51
    522450.15 - Left Fwd Pump Thresh Cal High....51
    522450.16 - Left Fwd Pump Max Spd Cal High....51
    522450.17 - Left Fwd Pump Thresh Cal Low....51
    522450.18 - Left Fwd Pump Max Spd Cal Low....51
    523108.13 - TCU High Speed Not Calibrated....51
    523108.14 - Sensor or Pump Speed Not Calibrated....51
    523577.09 - Left Motor Sol No Response....51
    523578.09 - Right Motor Sol No Response....51
  Group 40: Electrohydraulic Controller (EHC) Diagnostic Trouble Codes....293
    Electrohydraulic Controller (EHC) Diagnostic Trouble Codes....293
    000158.03 - EHC System Volts Too High....51
    000158.04 - EHC System Volts Too Low....51
    000620.03 - Sensor Short to Power....51
    000620.04 - Sensor Short to GND....51
    001903.00 - Aux 1 PVE Open Circuit....51
    001903.01 - Aux 1 PVE Low or Open Circuit....51
    001903.03 - Aux 1 PVE Short to Power....51
    001903.04 - Aux 1 PVE Short to GND....51
    001903.31 - Aux 1 PVE Spool Pos Error....51
    001915.00 - Aux 2 PVE Open Circuit....52
    001915.01 - Aux 2 PVE Low or Open Circuit....52
    001915.03 - Aux 2 PVE Short to Power....52
    001915.04 - Aux 2 PVE Short to GND....52
    001915.31 - Aux 2 PVE Spool Pos Error....52
    002697.09 - CAN Joystick Pos Missing From BCJ....52
    002712.00 - Hyd Enable Sw Inputs Both On....52
    002712.01 - Hyd Enable Sw Inputs Both Off....52
    003157.03 - Incr / Decr Buttons Short to Power....52
    003157.04 - Incr / Decr Buttons Open or Short....52
    003157.31 - Incr / Decr Buttons Invalid Output....52
    522442.03 - Blade Buttons Short to Power....52
    522442.04 - Blade Buttons Open or Short to Ground....52
    522442.31 - Blade Buttons Invalid Output....52
    523779.00 - Blade Rotate Current Above Max....52
    523779.01 - Blade Rotate Current Below Min....52
    523780.00 - Tilt PVE Open Circuit....52
    523780.01 - Tilt PVE Low or Open Circuit....52
    523780.03 - Tilt PVE Short to Power....52
    523780.04 - Tilt PVE Short to GND....52
    523780.31 - Tilt PVE Spool Pos Error....52
    523781.00 - Height PVE Open Circuit....52
    523781.01 - Height PVE Low or Open Circuit....52
    523781.03 - Height PVE Short to Power....52
    523781.04 - Height PVE Short to GND....52
    523781.31 - Height PVE Spool Pos Error....52
    524059.03 - Aux 2 Jstk Sensor 2 Short to Power....52
    524059.04 - Aux 2 Jstk Sensor 2 Short to GND....52
    524059.31 - Aux 2 Jstk Sensor 2 Invalid Output....52
    524062.03 - Aux 1 Jstk Sensor 2 Short to Power....52
    524062.04 - Aux 1 Jstk Sensor 2 Short to GND....52
    524062.31 - Aux 1 Jstk Sensor 2 Invalid Output....52
    524085.03 - Aux 2 Jstk Sensor 1 Short to Power....52
    524085.04 - Aux 2 Jstk Sensor 1 Short to GND....53
    524085.14 - Aux 2 Jstk Sensor Mismatch....53
    524085.31 - Aux 2 Jstk Sensor 1 Invalid Output....53
    524086.03 - Aux 1 Jstk Sensor 1 Short to Power....53
    524086.04 - Aux 1 Jstk Sensor 1 Short to GND....53
    524086.14 - Aux 1 Jstk Sensor Mismatch....53
    524086.31 - Aux 1 Jstk Sensor 1 Invalid Output....53
  Group 50: Blade Control Joystick (BCJ) Diagnostic Trouble Codes....398
    Blade Control Joystick (BCJ) Diagnostic Trouble Codes....398
    002697.03 - X-Axis Sensor Out of Range High....53
    002697.04 - X-Axis Sensor Out of Range Low....53
    002697.12 - X-Axis Joystick Internal Failure....53
    002697.13 - X-Axis Joystick Setup Failure....53
    002697.14 - X-Axis Joystick Sensor Failure....53
    002698.03 - Y-Axis Sensor Out of Range High....53
    002698.04 - Y-Axis Sensor Out of Range Low....53
    002698.12 - Y-Axis Joystick Internal Failure....53
    002698.13 - Y-Axis Joystick Setup Failure....53
    002698.14 - Y-Axis Joystick Sensor Failure....53
Section 9005: Operational Checkout Procedure....409
  Group 10: System Operational Checks....409
    Operational Checkout....426
Section 9010: Engine....442
  Group 05: Theory Of Operation....442
    PowerTech E™ 4.5 L John Deere Engine....447
    Cold Weather Starting Aid Operation....445
  Group 15: Diagnostic Information....442
    PowerTech E™ 4.5 L John Deere Engine....447
    Engine Cooling System Component Location....448
    Engine Fuel System Component Location....449
    Engine Intake and Exhaust Component Location....451
  Group 25: Tests....442
    Fluid Sampling Procedure....457
    Engine Speed Check....462
    Fuel System Test....463
    Intake Manifold Pressure Test—Turbocharger Boost....466
Section 9015: Electrical System....470
  Group 05: System Information....470
    Electrical Diagram Information....477
  Group 10: System Diagrams....470
    Fuse and Relay Specifications....485
    System Functional Schematic, Wiring Diagram, and Component Location Legend....489
    System Functional Schematic and Section Legend....496
    Power and Ground Cables (W1) Component Location....505
    Cab Roof Harness (W4) Component Location....506
    Cab Roof Harness (W4) Wiring Diagram....508
    Main Cab/Canopy Harness (W5) Component Location....513
    Main Cab/Canopy Harness (W5) Wiring Diagram....515
    Engine Harness (W6) Component Location....524
    Engine Harness (W6) Wiring Diagram....527
    Transmission Harness (W7) Component Location....531
    Transmission Harness (W7) Wiring Diagram....534
    A/C Harness (W8) Component Location....536
    A/C Harness (W8) Wiring Diagram....538
    Radio Harness (W9) Component Location....539
    Radio Harness (W9) Wiring Diagram....540
    Canopy Auxiliary Light Harness (W11) Component Location....541
    Canopy Auxiliary Light Harness (W11) Wiring Diagram....542
    Grill Harness (W13) Component Location....543
    Grill Harness (W13) Wiring Diagram....544
    Integrated Grade Control (IGC) Machine Harness (W21) Component Location—If Equipped....545
    Integrated Grade Control (IGC) Machine Harness (W21) Wiring Diagram—If Equipped....547
    Integrated Grade Control (IGC) Cab Harness (W22) Component Location—If Equipped....548
    Integrated Grade Control (IGC) Cab Harness (W22) Wiring Diagram—If Equipped....550
    Charge Pressure Sensor Harness (W25) Wiring Diagram....552
    JDLink™ Harnesses (W32, W6002, and W6003) Component Location—If Equipped....553
    JDLink™ Ground Harness (W32) Wiring Diagram—If Equipped....556
    JDLink™ Modular Telematics Gateway (MTG) Harness (W6002) Wiring Diagram—If Equipped....557
    JDLink™ Satellite (SAT) Harness (W6003) Wiring Diagram—If Equipped....560
  Group 15: Sub-System Diagnostics....471
    Starting and Charging Circuit Theory of Operation....563
    Controller Area Network (CAN) Circuit Theory of Operation....565
    Engine Control Unit (ECU) Circuit Theory of Operation....567
    Standard Display Monitor (SDM) Circuit Theory of Operation....573
    Transmission Control Unit (TCU) Circuit Theory of Operation....576
    Integrated Grade Control (IGC) Circuit Theory of Operation—If Equipped....581
    JDLink™ Circuit Theory of Operation—If Equipped....586
  Group 16: Monitor Operation....471
    Standard Display Monitor (SDM) Menu Structure—Service Mode....595
    Standard Display Monitor (SDM)—Change Units....601
    Standard Display Monitor (SDM)—Hide/Unhide Main Menu....602
    Standard Display Monitor (SDM)—Setting Hour Meter....604
  Group 20: References....471
    Service ADVISOR™ Diagnostic Application....607
    Service ADVISOR™ Connection Procedure....608
    Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application....611
    JDLink™ Connection Procedure—If Equipped....614
    Alternator Test....616
    CAN Circuit Test....618
    Electrical Component Specifications....623
    Transmission Control Unit (TCU) Calibration....626
    Integrated Grade Control (IGC) Checks—If Equipped....471
    Integrated Grade Control (IGC) Diagnose Malfunctions—If Equipped....471
    Decelerator/Brake Pedal Adjustment....662
    Engine Speed Control Remove and Install....664
    Rotary Sensor Remove and Install....666
    Transmission Control Lever (TCL) Adjustment....668
    Replace Weather Pack™ Connector....672
    Install Weather Pack™ Contact....674
    Replace DEUTSCH® Connectors....676
    Replace Rectangular or Triangular Connectors....678
    Install DEUTSCH® Contact....680
    Repair 32 and 48 Way CINCH™ Connectors....682
    Replace (Pull Type) Metri-Pack™ Connectors....686
    Replace (Push Type) Metri-Pack™ Connectors....688
Section 9025: Hydraulic System....689
  Group 05: Theory of Operation....689
    Hydraulic System Operation....692
    Hydraulic Pump Operation....693
    Hydraulic Pump and Reservoir Operation....694
    Hydraulic Filter Operation....696
    Hydraulic Control Valve Operation....698
    Hydraulic System Relief Valve Operation....699
    Inlet Valve Operation....701
    Auxiliary Valve Operation....702
    Blade Lift Valve Operation....704
    Blade Angle Valve Operation....706
    Blade Tilt Valve Operation....708
    Outlet Valve Cover Operation....710
    Hydraulic Control Valve Operation—IGC....711
    Hydraulic Cylinder Operation....715
  Group 15: Diagnostic Information....689
    Hydraulic System Schematic....718
    Hydraulic System Schematic—IGC....720
    Hydraulic Component Location....722
    Hydraulic Component Location—IGC....727
    Ripper Hydraulic Component Location....730
    Hydraulic System Diagnose Malfunctions....689
    Hydraulic System Diagnose Malfunctions—IGC....689
  Group 20: Adjustments....689
    Hydraulic Control Lever Linkage Adjustment....767
    Auxiliary Lever Linkage Adjustment....769
    Blade Pitch Linkage Adjustment....771
  Group 25: Tests....689
    Hydraulic Oil Warm-Up Procedure....773
    Hydraulic Oil Sampling Procedure—If Equipped....774
    Hydraulic Pump Flow Test....775
    Hydraulic System Relief Valve Test....778
    Hydraulic System Relief Valve Test—IGC....781
    Circuit Relief Valve Test—With Remote Pump....783
    Hydraulic Pump Cycle Time Test....786
    Lift Cylinder Drift Test....787
    Cylinder Leakage Test....789
    Oil Clean-up Procedure....791
Section 9026: Hydrostatic System....802
  Group 05: Theory of Operation....799
    Hydrostatic System....802
    Transmission Control Circuit Operation (Flow Chart)....803
    Charge Pump Operation....805
    Hydrostatic Filter Operation....806
    Neutral Charge Relief Valve Operation....808
    Park Brake Operation....810
    Multi-Function Valve Operation....813
    Oil Cooler Bypass Valve Operation....815
    Pump Pressure Control Pilot (PCP) Operation....817
    Pump Displacement Control Valve (PDCV) Operation....819
    Hydrostatic Pump Operation....821
    Flushing Valve and Operating Charge Relief Valve Operation....823
    Hydrostatic Motor Operation....825
  Group 15: Diagnostic Information....799
    Hydrostatic Schematic—Neutral (Park Brake ON)....828
    Hydrostatic System Component Location....829
    Hydrostatic System Diagram—Park Brake On (Neutral)....831
    Hydrostatic System Diagram—Forward (Slow Speed)....833
    Hydrostatic System Diagram—Reverse (Fast Speed)....835
    Overheating Malfunctions....799
    High/Low Charge Pressure Malfunctions....799
    Mistrack/Index Malfunctions....799
    Machine Full Speed Malfunctions....799
    Low Power Malfunctions....799
    Track Malfunctions....799
    TCU Calibration Malfunctions....799
  Group 25: Test....799
    JT05800 Digital Thermometer Installation....884
    Digital Pressure And Temperature Analyzer Installation....885
    Hydraulic Oil Cleanup Procedure....886
    Ultra Clean® Hand Launcher....887
    Transmission Oil Warmup Procedure....888
    Hydrostatic Oil Sampling Procedure—If Equipped....890
    Releasing Park Brake to Tow the Machine....891
    Hydrostatic Pump and Motor Initial Start-Up Procedure....895
    Hydrostatic Pump Flushing Procedure....898
    Pressure Control Pilot (PCP) Manual Override Test....900
    Pressure Control Pilot (PCP) Test....902
    Pressure Control Pilot (PCP) Internal Adjustment....906
    Multi-Function Relief Valve Test....909
    Transmission Efficiency Test....914
    Neutral Charge Relief and Operating Charge Relief Pressure Test....919
    Pump Displacement Control Valve (PDCV) Neutral (Null) Adjustment....922
    Pump Servo Pressure Test....926
    Hydrostatic Motor Min./Max. Angle Servo Piston Pressure Test....929
    Hydrostatic Motor Min. Angle Stop Adjustment....931
    Charge Pump Flow Test....935
    Cooler Bypass Valve Test....938
Section 9031: Heating and Air Conditioning....941
  Group 05: Theory of Operation....941
    Air Conditioning System Cycle Of Operation....944
  Group 15: Diagnostic Information....941
    Air Conditioning System Diagnose Malfunctions....941
    Heater System Diagnose Malfunctions....941
  Group 25: Test....941
    Proper Refrigerant Handling....975
    R134a Refrigerant Cautions....976
    R134a Oil Charge Capacity....977
    R134a Refrigerant Charge Capacity....978
    Refrigerant Hoses And Tubing Inspection....979
    Operating Pressure Diagnostic Chart....980
    Air Conditioner High/Low Pressure (Binary) Switch Test....985
    Freeze Control Switch Test....987
    Leak Testing....988

John Deere Crawler Dozer 450J Operation & Test Service Manual (TM12272)