John Deere 770G, 770GP, 772G, and 772GP Motor Graders Diagnosis and Tests Service Technical Manual (TM14076X19)

Make: 
Price: US$ 49.00

Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 770G, 770GP, 772G, and 772GP Motor Graders, with workshop information to maintain, diagnose, and rebuild like professional mechanics.

John Deere 770G, 770GP, 772G, and 772GP Motor Graders 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.

tm14076x19 - John Deere 770G, 770GP, 772G, and 772GP Motor Graders Technical Manual (Operation and Test).pdf

tm14076x63 - Motoniveladoras 770G, 770GP, 772G y 772GP.pdf

tm14076x28 - Motoniveleuses 770G, 770GP, 772G et 772GP.pdf

tm14076x54 - Motoniveladoras 770G, 770GP, 772G e 772GP.pdf

tm14076x59 - 770G, 770GP, 772G и 772GP Автогрейдеры.pdf

PRODUCT DETAILS:
Total Pages: 2,212 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English Russian Portuguese French Spanish
Category: Operation and Test
Models:
John Deere - Motor Grader - 1DW770GX_ _D678818—680877
John Deere - Motor Grader - 1DW770GP_ _C678818—680877

TABLE OF CONTENTS................1
Section 9000: General Information................40
  Group 01: Safety................40
    Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance................46
    Recognize Safety Information................50
    Follow Safety Instructions................51
    Operate Only If Qualified................52
    Wear Protective Equipment................53
    Avoid Unauthorized Machine Modifications................54
    Inspect Machine................55
    Stay Clear of Moving Parts................56
    Avoid High-Pressure Fluids................57
    Avoid High-Pressure Oils................58
    Work In Ventilated Area................59
    Avoid Static Electricity Risk When Refueling................60
    High Debris Applications................62
    Prevent Fires................63
    In Case of Machine Fire................64
    Prevent Battery Explosions................65
    Handle Chemical Products Safely................66
    Handle Starting Fluid Safely................67
    Decommissioning — Proper Recycling and Disposal of Fluids and Components................68
    Prepare for Emergencies................69
    Clean Debris from Machine................70
    Use Steps and Handholds Correctly................71
    Start Only From Operator's Seat................72
    Use and Maintain Seat Belt................73
    Prevent Unintended Machine Movement................74
    Avoid Work Site Hazards................76
    Keep Riders Off Machine................78
    Avoid Backover Accidents................79
    Avoid Machine Tip Over and Machine Damage................80
    Operating or Traveling On Public Roads................81
    Inspect and Maintain ROPS................82
    Travel Safely................83
    Prevent Acid Burns................84
    Add and Operate Attachments Safely................86
    Park and Prepare for Service Safely................87
    Service Cooling System Safely................88
    Remove Paint Before Welding or Heating................89
    Make Welding Repairs Safely................90
    Drive Metal Pins Safely................91
    Service Tires Safely................92
    Use Proper Lifting Equipment................93
Section 9001: Diagnostics................94
  Group 10: Transmission Control Unit (TCU) Diagnostic Trouble Codes................115
    Transmission Control Unit (TCU) Diagnostic Trouble Codes................115
    000070.03 - Park Brake Pressure Switch Circuit Fault................94
    000070.04 - Park Brake Pressure Switch Circuit Fault................94
    000177.00 - Transmission Oil Temperature High................94
    000177.03 - Transmission Oil Temperature Sensor Circuit Fault................94
    000177.04 - Transmission Oil Temperature Sensor Circuit Fault................94
    000177.16 - Transmission Oil Temperature High................94
    000237.02 - Invalid VIN................94
    000237.14 - VIN Options Not Learned................94
    000237.31 - VIN Message Missing................94
    000444.03 - Unswitched Battery Voltage................94
    000444.04 - Unswitched Battery Voltage................94
    000525.02 - Undefined Gear................94
    000525.07 - Undefined Gear................94
    000525.12 - Undefined Gear................94
    000619.03 - Transmission Park Circuit Fault................94
    000619.05 - Transmission Park Circuit Fault................94
    000619.06 - Transmission Park Circuit Fault................94
    000619.07 - Park Fault................94
    000619.31 - Park Fault................94
    000628.12 - Control Unit Programming................94
    001231.12 - Communication System Message Missing................94
    001231.14 - Communication System Message Fault................94
    002000.02 - Communication System Fault................94
    002000.09 - Communication System Message Missing................94
    002003.09 - Communication System Message Missing................94
    002033.02 - Communication System Fault................94
    002033.09 - Communication System Message Missing................94
    002034.09 - Communication System Message Missing................94
    002141.09 - Communication System Message Missing................94
    002161.02 - Communication System Message Missing................94
    002161.09 - Communication System Message Missing................95
    002213.02 - Communication System Message Missing................95
    002213.09 - Communication System Message Missing................95
    002225.02 - Communication System Message Missing................95
    002225.09 - Communication System Message Missing................95
    002833.07 - Movement While Park Brake Applied................95
    002833.31 - Park Fault................95
    003510.03 - TCU Sensor Supply #2................95
    003510.04 - TCU Sensor Supply #2................95
    003511.03 - TCU Sensor Supply #3................95
    003511.04 - TCU Sensor Supply #3................95
    516321.03 - Switched Battery Voltage................95
    516321.04 - Switched Battery Voltage................95
    516755.03 - Transmission Rev Circuit Fault................95
    516755.05 - Transmission Rev Circuit Fault................95
    516755.06 - Transmission Rev Circuit Fault................95
    516770.03 - Transmission Left Rev Lamp Circuit Fault................95
    516770.05 - Transmission Left Rev Lamp Circuit Fault................95
    516770.06 - Transmission Left Rev Lamp Circuit Fault................95
    516773.03 - Transmission Right Rev Lamp Circuit Fault................95
    516773.05 - Transmission Right Rev Lamp Circuit Fault................95
    516773.06 - Transmission Right Rev Lamp Circuit Fault................95
    517056.12 - End of Line File - EOL................95
    517056.31 - End of Line File - EOL................95
    521601.12 - End of Line File - EOL................95
    521601.31 - End of Line File - EOL................95
    522087.07 - Park Fault................95
    522087.31 - Park Fault................95
    522252.00 - Clutch 1 Hold Pressure Too High................95
    522252.01 - Clutch 1 Hold Pressure Too Low................95
    522253.00 - Clutch 2 Hold Pressure Too High................95
    522253.01 - Clutch 2 Hold Pressure Too Low................95
    522254.00 - Clutch 3 Hold Pressure Too High................95
    522254.01 - Clutch 3 Hold Pressure Too Low................96
    522255.00 - Clutch 4 Hold Pressure Too High................96
    522255.01 - Clutch 4 Hold Pressure Too Low................96
    522256.00 - Clutch A Hold Pressure Too High................96
    522256.01 - Clutch A Hold Pressure Too Low................96
    522257.00 - Clutch B Hold Pressure Too High................96
    522257.01 - Clutch B Hold Pressure Too Low................96
    522258.00 - Clutch C Hold Pressure Too High................96
    522258.01 - Clutch C Hold Pressure Too Low................96
    522259.00 - Clutch D Hold Pressure Too High................96
    522259.01 - Clutch D Hold Pressure Too Low................96
    522414.00 - Transmission Clutch Temperature Fault................96
    522414.03 - Transmission Clutch D Solenoid Circuit Fault................96
    522414.05 - Transmission Clutch D Solenoid Circuit Fault................96
    522414.06 - Transmission Clutch D Solenoid Circuit Fault................96
    522507.14 - Transmission Calibration Fault................96
    522517.31 - Engine Stall Prevention Active................96
    523438.31 - End of Line File - EOL................96
    523655.03 - Forward and Reverse Both Active................96
    523697.03 - Inching Pedal Circuit Fault................96
    523697.04 - Inching Pedal Circuit Fault................96
    523697.31 - Inching Pedal System Fault................96
    523699.31 - Transmission Speed Clutch Slipping................96
    523700.31 - Transmission Clutch Slipping................96
    523708.03 - Inching Pedal Circuit Fault................96
    523708.04 - Inching Pedal Circuit Fault................96
    523708.31 - Inching Pedal Circuit Fault................96
    523712.31 - Transmission Calibration Fault................96
    523717.31 - Transmission Calibration Fault................96
    523718.31 - Transmission Calibration Fault................96
    523720.00 - Clutch Fill Time Too Long................96
    523720.01 - Clutch Fill Time Too Short................96
    523721.00 - Clutch Fill Time Too Long................96
    523721.01 - Clutch Fill Time Too Short................97
    523722.00 - Clutch Fill Time Too Long................97
    523722.01 - Clutch Fill Time Too Short................97
    523723.00 - Clutch Fill Time Too Long................97
    523723.01 - Clutch Fill Time Too Short................97
    523724.00 - Clutch Fill Time Too Long................97
    523724.01 - Clutch Fill Time Too Short................97
    523725.00 - Clutch Fill Time Too Long................97
    523725.01 - Clutch Fill Time Too Short................97
    523726.00 - Clutch Fill Time Too Long................97
    523726.01 - Clutch Fill Time Too Short................97
    523727.00 - Clutch Fill Time Too Long................97
    523727.01 - Clutch Fill Time Too Short................97
    523728.31 - Transmission Calibration Fault................97
    523729.31 - Transmission Calibration Fault................97
    523730.31 - Transmission Calibration Fault................97
    523731.31 - Transmission Calibration Fault................97
    523732.31 - Transmission Calibration Fault................97
    523733.31 - Transmission Calibration Fault................97
    523734.31 - Transmission Calibration Fault................97
    523761.00 - Transmission Clutch Temperature Fault................97
    523761.03 - Transmission Clutch Circuit Fault................97
    523761.05 - Transmission Clutch Circuit Fault................97
    523761.06 - Transmission Clutch Circuit Fault................97
    523762.00 - Transmission Clutch Temperature Fault................97
    523762.03 - Transmission Clutch Circuit Fault................97
    523762.05 - Transmission Clutch Circuit Fault................97
    523762.06 - Transmission Clutch Circuit Fault................97
    523763.00 - Transmission Clutch Temperature Fault................97
    523763.03 - Transmission Clutch Circuit Fault................97
    523763.05 - Transmission Clutch Circuit Fault................97
    523763.06 - Transmission Clutch Circuit Fault................97
    523764.00 - Transmission Clutch Temperature Fault................97
    523764.03 - Transmission Clutch Circuit Fault................98
    523764.05 - Transmission Clutch Circuit Fault................98
    523764.06 - Transmission Clutch Circuit Fault................98
    524173.00 - Inching Pedal Circuit Fault................98
    524173.01 - Inching Pedal Circuit Fault................98
    524173.03 - Inching Pedal Circuit Fault................98
    524173.04 - Inching Pedal Circuit Fault................98
    524173.12 - Inching Pedal System Fault................98
    524173.31 - Inching Pedal Circuit Fault................98
    524271.00 - Transmission Clutch Temperature Fault................98
    524271.03 - Transmission Clutch Circuit Fault................98
    524271.05 - Transmission Clutch Circuit Fault................98
    524271.06 - Transmission Clutch Circuit Fault................98
    524272.00 - Transmission Clutch Temperature Fault................98
    524272.03 - Transmission Clutch Circuit Fault................98
    524272.05 - Transmission Clutch Circuit Fault................98
    524272.06 - Transmission Clutch Circuit Fault................98
    524273.00 - Transmission Clutch Temperature Fault................98
    524273.03 - Transmission Clutch Circuit Fault................98
    524273.05 - Transmission Clutch Circuit Fault................98
    524273.06 - Transmission Clutch Circuit Fault................98
  Group 20: Engine Control Unit (ECU) Diagnostic Trouble Codes................376
    Engine Control Unit (ECU) Diagnostic Trouble Codes................376
    000029.03 - Decel Pedal Short to Power................98
    000091.03 - Accel Pedal Short to Power................98
    000091.04 - Accel Pedal Open or Short................98
    000107.00 - Engine Air Filter Restricted................98
    000596.31 - Engine Speed Control Enable Switch Fault................98
    000600.31 - Engine Speed Accel/Decel Switch Fault................98
    001196.31 - ECU Anti Theft Locked................98
    001321.05 - Starter Relay Open Circuit................98
    001321.06 - Starter Relay High Current................98
    001321.30 - Starter Engaged for 30 Seconds................98
    001321.31 - Starter Sol Open Circuit................99
    002003.09 - CAN Comm Lost for TCU................99
    002033.09 - CAN Comm Lost for VCU................99
  Group 30: Primay Display Unit (PDU) Diagnostic Trouble Codes................99
    Primary Display Unit (PDU) Diagnostic Trouble Codes................398
    000237.02 - Vehicle Identification Number................99
    000237.13 - Vehicle Identification Number................99
    000237.31 - Vehicle Identification Number................99
    000629.12 - Control Unit Fault................99
    000920.03 - Audible Alarm Circuit Fault................99
    000920.04 - Audible Alarm Circuit Fault................99
    002000.09 - Communication System Fault................99
    516628.10 - Display Button - UP................99
    516629.10 - Display Button - DOWN................99
    516630.10 - Display Button - SELECT................99
    517057.12 - EE Vehicle Hours Checksum Failure................99
    517170.10 - Display Button - LEFT................99
    517171.10 - Display Button - RIGHT................99
    521859.10 - Display Button - MENU................99
    524050.12 - Real Time Clock................99
  Group 40: Vehicle Control Unit (VCU) Diagnostic Trouble Codes................417
    Vehicle Control Unit (VCU) Diagnostic Trouble Codes................417
    000096.03 - Fuel Level Sensor Circuit Fault................99
    000096.04 - Fuel Level Sensor Circuit Fault................99
    000117.01 - Service Brake Pressure Low................99
    000117.03 - Service Brake Accumulator Switch Circuit Fault................99
    000117.04 - Service Brake Accumulator Switch Circuit Fault................99
    000167.03 - Switched Power Circuit Fault................99
    000167.04 - Switched Power Circuit Fault................99
    000168.03 - Unswitched Power Circuit Fault................99
    000168.04 - Unswitched Power Circuit Fault................99
    000237.02 - Vehicle Identification Fault................99
    000237.13 - Vehicle Identification Fault................99
    000237.31 - Vehicle Identification Fault................100
    000583.03 - Mainfall Sensor Circuit Fault................100
    000583.04 - Mainfall Sensor Circuit Fault................100
    000628.12 - Control Unit Programming................100
    000629.12 - Control Unit Fault................100
    000639.12 - Communication System Message Missing................100
    000639.14 - Communication System Fault................100
    000746.03 - Differential Lock Solenoid Circuit Fault................100
    000746.05 - Differential Lock Solenoid Circuit Fault................100
    000746.06 - Differential Lock Solenoid Circuit Fault................100
    000876.03 - A/C Compressor Clutch Circuit Fault................100
    000876.05 - A/C Compressor Clutch Circuit Fault................100
    000876.06 - A/C Compressor Clutch Circuit Fault................100
    000880.03 - Stop Lamp Circuit (Red) Fault................100
    000880.05 - Stop Lamp Circuit (Red) Fault................100
    000880.06 - Stop Lamp Circuit (Red) Fault................100
    000977.03 - Reversing Fan Solenoid Circuit Fault................100
    000977.05 - Reversing Fan Solenoid Circuit Fault................100
    000977.06 - Reversing Fan Solenoid Circuit Fault................100
    000977.07 - Reversing Fan Pressure High................100
    001045.04 - Brake Light Switch Circuit Fault................100
    001071.03 - Fan Speed Solenoid Circuit Fault................100
    001071.04 - Fan Speed Solenoid Circuit Fault................100
    001071.05 - Fan Speed Solenoid Circuit Fault................100
    001071.06 - Fan Speed Solenoid Circuit Fault................100
    001231.12 - Communication System Message Missing................100
    001231.14 - Communication System Fault................100
    001569.31 - Engine Derated................100
    001638.00 - Hydraulic Oil Temperature High................100
    001638.03 - Hydraulic Oil Temperature Sensor Circuit Fault................100
    001638.04 - Hydraulic Oil Temperature Sensor Circuit Fault................100
    001639.00 - Hydraulic Fan Speed High................100
    001639.16 - Hydraulic Fan Speed High................100
    001639.18 - Hydraulic Fan Speed Low................101
    001713.01 - Hydraulic Oil Filter Restricted................101
    001713.03 - Hydraulic Oil Filter Restriction Switch Circuit Fault................101
    001762.01 - Hydraulic Oil Pressure Low................101
    001762.03 - Hydraulic Pressure Sensor Circuit Fault................101
    001762.04 - Hydraulic Pressure Sensor Circuit Fault................101
    001983.03 - Steering Valve Circuit Fault................101
    001983.04 - Steering Valve Circuit Fault................101
    001983.05 - Steering Valve Circuit Fault................101
    001983.06 - Steering Valve Circuit Fault................101
    001984.03 - Steering Valve Circuit Fault................101
    001984.04 - Steering Valve Circuit Fault................101
    001984.05 - Steering Valve Circuit Fault................101
    001984.06 - Steering Valve Circuit Fault................101
    002000.09 - Communication System Message Missing................101
    002003.09 - Communication System Message Missing................101
    002034.09 - Communication System Message Missing................101
    002040.09 - Communication System Message Missing................101
    002141.09 - Communication System Message Missing................101
    002160.09 - Communication System Message Missing................101
    002161.09 - Communication System Message Missing................101
    002213.09 - Communication System Message Missing................101
    002348.03 - Hi Beam Light Circuit Fault................101
    002348.05 - Hi Beam Light Circuit Fault................101
    002348.06 - Hi Beam Light Circuit Fault................101
    002350.03 - Low Beam Light Circuit Fault................101
    002350.05 - Low Beam Light Circuit Fault................101
    002350.06 - Low Beam Light Circuit Fault................101
    002352.06 - Cab Front Work Light Circuit Fault................101
    002354.06 - Front Work Light Circuit Fault................101
    002356.06 - Front Cab Corner Light Circuit Fault................101
    002358.06 - Front Work Light Circuit Fault................101
    002362.06 - Rear Cab Corner Light Circuit Fault................101
    002366.06 - Right Side Work Light Circuit Fault................102
    002367.04 - Left Turn Signal Lights Command Switch Circuit Fault................102
    002368.03 - Marker/Tail Light Circuit Fault................102
    002368.05 - Marker/Tail Light Circuit Fault................102
    002368.06 - Left Turn Light Circuit Fault................102
    002369.04 - Right Turn Signal Lights Command Switch Circuit Fault................102
    002370.03 - Marker/Tail Light Circuit Fault................102
    002370.05 - Marker/Tail Light Circuit Fault................102
    002370.06 - Right Turn Light Circuit Fault................102
    002378.03 - Marker/Tail Light Circuit Fault................102
    002378.05 - Marker/Tail Light Circuit Fault................102
    002378.06 - Marker/Tail Light Circuit Fault................102
    002386.06 - Rotary Beacon Circuit Fault................102
    002642.03 - Left Heated Mirror Circuit Fault................102
    002642.05 - Left Heated Mirror Circuit Fault................102
    002642.06 - Left Heated Mirror Circuit Fault................102
    002874.04 - Hi Beam Switch Circuit Fault................102
    003318.03 - Blade Pitch Sensor Circuit Fault................102
    003318.04 - Blade Pitch Sensor Circuit Fault................102
    003319.03 - Slope Sensor Circuit Fault................102
    003319.04 - Slope Sensor Circuit Fault................102
    003331.03 - Circle Rotate Sensor Circuit Fault................102
    003331.04 - Circle Rotate Sensor Circuit Fault................102
    003509.03 - Sensor Supply 1 Circuit Fault................102
    003509.04 - Sensor Supply 1 Circuit Fault................102
    003510.03 - Sensor Supply 2 Circuit Fault................102
    003510.04 - Sensor Supply 2 Circuit Fault................102
    003511.03 - Sensor Supply 3 Circuit Fault................102
    003511.04 - Sensor Supply 3 Circuit Fault................102
    004026.03 - Right Heated Mirror Circuit Fault................102
    004026.05 - Right Heated Mirror Circuit Fault................102
    004026.06 - Right Heated Mirror Circuit Fault................102
    516688.06 - Left Rear Beacon Light Driver Circuit Fault................102
    516689.06 - Right Rear Beacon Light Driver Circuit Fault................103
    516690.03 - Engine Compartment Light 1 Circuit Fault................103
    516690.06 - Engine Compartment Light 1 Circuit Fault................103
    516691.03 - Engine Compartment Light 2 Circuit Fault................103
    516691.06 - Engine Compartment Light 2 Circuit Fault................103
    520450.03 - Saddle Lock Pin Switch Circuit Fault................103
    520911.03 - Engine Compartment Light Switch Circuit Fault................103
    520911.04 - Engine Compartment Light Switch Circuit Fault................103
    521465.02 - Joystick Mismatch................103
    521466.03 - Fan Direction/Relief Actuator Circuit Fault................103
    521466.05 - Fan Direction/Relief Actuator Circuit Fault................103
    521466.06 - Fan Direction/Relief Actuator Circuit Fault................103
    521650.00 - Hydraulic Fan Drive Pump Pressure High................103
    521650.03 - Hydraulic Fan Drive Pump Pressure Circuit Fault................103
    521650.04 - Hydraulic Fan Pressure Sensor Circuit Fault................103
    521900.03 - Articulation Angle Sensor Circuit Fault................103
    521900.04 - Articulation Angle Sensor Circuit Fault................103
    522176.01 - Secondary Steering Active................103
    522340.03 - Saddle Lock Solenoid Circuit Fault................103
    522340.04 - Saddle Lock Solenoid Circuit Fault................103
    522340.05 - Saddle Lock Solenoid Circuit Fault................103
    522340.06 - Saddle Lock Solenoid Circuit Fault................103
    522343.03 - Rear Window Defrost Relay Circuit Fault................103
    522343.05 - Rear Window Defrost Relay Circuit Fault................103
    522343.06 - Rear Window Defrost Relay Circuit Fault................103
    522375.01 - Transmission Oil Filter Restricted................103
    522375.03 - Transmission Oil Filter Restriction Switch Circuit Fault................103
    522415.06 - Front Lower Washer Pump Circuit Fault................103
    522416.06 - Front Lower Wiper Hi Speed Circuit Fault................103
    522418.06 - Front Lower Wiper Low Speed Circuit Fault................103
    522433.06 - Rear Wiper Low Speed Circuit Fault................103
    522434.06 - Front Wiper Low Speed Circuit Fault................103
    522435.06 - Front Wiper Hi Speed Circuit Fault................103
    522796.06 - Rear Washer Pump Circuit Fault................104
    522797.06 - Front Washer Pump Circuit Fault................104
    523688.03 - Steering Angle Sensor Circuit Fault................104
    523688.04 - Steering Angle Sensor Circuit Fault................104
    523689.04 - Diff Lock Switch Circuit Fault................104
    523901.04 - Front Window Switch Circuit Fault................104
    524044.01 - Axle Oil Filter Restricted................104
    524044.03 - Axle Oil Filter Restriction Switch Circuit Fault................104
  Group 50: Hydraulic Valve Controller (HVC) Diagnostic Trouble Codes................703
    Hydraulic Valve Controller (HVC) Diagnostic Trouble Codes................703
    000237.02 - Vehicle Identification Fault................104
    000237.13 - Vehicle Identification Fault................104
    000237.31 - Vehicle Identification Fault................104
    000628.12 - Control Unit Programming................104
    000629.12 - Control Unit Fault................104
    000639.12 - Communication System Message Missing................104
    000639.14 - Communication System Fault................104
    001231.12 - Communication System Message Missing................104
    001231.14 - Communication System Fault................104
    001503.04 - Left Armrest Position Circuit Fault................104
    001503.13 - Left Armrest Position Circuit Fault................104
    001565.04 - Left Armrest Down Switch Circuit Fault................104
    001566.04 - Right Armrest Down Switch Circuit Fault................104
    001899.03 - Circle Side Shift Valve Circuit Fault................104
    001899.04 - Circle Side Shift Valve Circuit Fault................104
    001899.15 - Circle Side Shift Valve Warm Up Circuit................104
    001899.17 - Circle Side Shift Valve Warm Up Circuit................104
    001900.03 - Circle Side Shift Valve Circuit Fault................104
    001900.04 - Circle Side Shift Valve Circuit Fault................104
    001900.15 - Circle Side Shift Valve Warm Up Circuit................104
    001900.17 - Circle Side Shift Valve Warm Up Circuit................104
    001911.03 - Wheel Lean Valve Circuit Fault................104
    001911.04 - Wheel Lean Valve Circuit Fault................104
    001911.15 - Wheel Lean Valve Warm Up Circuit Fault................105
    001911.17 - Wheel Lean Valve Warm Up Circuit Fault................105
    001912.03 - Wheel Lean Valve Circuit Fault................105
    001912.04 - Wheel Lean Valve Circuit Fault................105
    001912.15 - Wheel Lean Valve Warm Up Circuit Fault................105
    001912.17 - Wheel Lean Valve Warm Up Circuit Fault................105
    001923.03 - Right Blade Lift Valve Circuit Fault................105
    001923.04 - Right Blade Lift Valve Circuit Fault................105
    001923.15 - Right Blade Lift Valve Warm Up Circuit Fault................105
    001923.17 - Right Blade Lift Valve Warm Up Circuit Fault................105
    001924.03 - Right Blade Lift Valve Circuit Fault................105
    001924.04 - Right Blade Lift Valve Circuit Fault................105
    001924.15 - Right Blade Lift Valve Warm Up Circuit Fault................105
    001924.17 - Right Blade Lift Valve Warm Up Circuit Fault................105
    001935.03 - Articulation Valve Circuit Fault................105
    001935.04 - Articulation Valve Circuit Fault................105
    001935.15 - Articulation Valve Warm Up Circuit Fault................105
    001935.17 - Articulation Valve Warm Up Circuit Fault................105
    001936.03 - Articulation Valve Circuit Fault................105
    001936.04 - Articulation Valve Circuit Fault................105
    001936.15 - Articulation Valve Warm Up Circuit Fault................105
    001936.17 - Articulation Valve Warm Up Circuit Fault................105
    001947.03 - Circle Rotate Valve Circuit Fault................105
    001947.04 - Circle Rotate Valve Circuit Fault................105
    001947.15 - Circle Rotate Valve Warm Up Circuit Fault................105
    001947.17 - Circle Rotate Valve Warm Up Circuit Fault................105
    001948.03 - Circle Rotate Valve Circuit Fault................105
    001948.04 - Circle Rotate Valve Circuit Fault................105
    001948.15 - Circle Rotate Valve Warm Up Circuit Fault................105
    001948.17 - Circle Rotate Valve Warm Up Circuit Fault................105
    001959.03 - Blade Side Shift Valve Circuit Fault................105
    001959.04 - Blade Side Shift Valve Circuit Fault................105
    001959.15 - Blade Side Shift Valve Warm Up Circuit................105
    001959.17 - Blade Side Shift Valve Warm Up Circuit................106
    001960.03 - Blade Side Shift Valve Circuit Fault................106
    001960.04 - Blade Side Shift Valve Circuit Fault................106
    001960.15 - Blade Side Shift Valve Warm Up Circuit Fault................106
    001960.17 - Blade Side Shift Valve Warm Up Circuit Fault................106
    001971.03 - Left Blade Lift Valve Circuit Fault................106
    001971.04 - Left Blade Lift Valve Circuit Fault................106
    001971.15 - Left Blade Lift Valve Warm Up Circuit Fault................106
    001971.17 - Left Blade Lift Valve Warm Up Circuit Fault................106
    001972.03 - Left Blade Lift Valve Circuit Fault................106
    001972.04 - Left Blade Lift Valve Circuit Fault................106
    001972.15 - Left Blade Lift Valve Warm Up Circuit Fault................106
    001972.17 - Left Blade Lift Valve Warm Up Circuit Fault................106
    002000.09 - Communication System Message Missing................106
    002003.09 - Communication System Message Missing................106
    002033.09 - Communication System Message Missing................106
    002034.09 - Communication System Message Missing................106
    002040.09 - Communication System Message Missing................106
    002160.09 - Communication System Message Missing................106
    002161.09 - Communication System Message Missing................106
    005493.04 - Right Armrest Position Circuit Fault................106
    005493.13 - Right Armrest Position Circuit Fault................106
    520752.04 - Return to Straight Switch 1 Circuit Fault................106
    520753.04 - Return to Straight Switch 2 Circuit Fault................106
    520754.04 - Return to Straight Switch 3 Circuit Fault................106
    520755.04 - Return to Straight Switch 4 Circuit Fault................106
    523849.13 - Return to Straight Module Circuit Fault................106
  Group 60: Auxiliary Valve Controller (AVC) Diagnostic Trouble Codes................855
    Auxiliary Valve Controller (AVC) Diagnostic Trouble Codes................855
    000237.02 - Vehicle Identification Fault................106
    000237.13 - Vehicle Identification Fault................106
    000237.31 - Vehicle Identification Fault................106
    000628.12 - Control Unit Programing................106
    000629.12 - Control Unit Fault................107
    001995.03 - Blade Pitch Valve Circuit Fault................107
    001995.04 - Blade Pitch Valve Circuit Fault................107
    001995.15 - Blade Pitch Valve Warm Up Circuit Fault................107
    001995.17 - Blade Pitch Valve Warm Up Circuit Fault................107
    001996.03 - Blade Pitch Valve Circuit Fault................107
    001996.04 - Blade Pitch Valve Circuit Fault................107
    001996.15 - Blade Pitch Valve Warm Up Circuit Fault................107
    001996.17 - Blade Pitch Valve Warm Up Circuit Fault................107
    002000.09 - Communication System Message Missing................107
    002003.09 - Communication System Message Missing................107
    002033.09 - Communication System Message Missing................107
    002040.09 - Communication System Message Missing................107
    002160.09 - Communication System Message Missing................107
    002165.09 - Communication System Message Missing................107
    002213.09 - Communication System Message Missing................107
    002263.03 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002263.04 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002263.15 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002263.17 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002264.03 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002264.04 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002264.15 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002264.17 - Under Cab Auxiliary Valve 1 Circuit Fault................107
    002275.03 - Under Cab Auxiliary Valve 2 Circuit Fault................107
    002275.04 - Under Cab Auxiliary Valve 2 Circuit Fault................107
    002275.15 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault................107
    002275.17 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault................107
    002276.03 - Under Cab Auxiliary Valve 2 Circuit Fault................107
    002276.04 - Under Cab Auxiliary Valve 2 Circuit Fault................107
    002276.15 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault................107
    002276.17 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault................107
    002287.03 - Under Cab Auxiliary Valve 3 Circuit Fault................107
    002287.04 - Under Cab Auxiliary Valve 3 Circuit Fault................108
    002287.15 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault................108
    002287.17 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault................108
    002288.03 - Under Cab Auxiliary Valve 3 Circuit Fault................108
    002288.04 - Under Cab Auxiliary Valve 3 Circuit Fault................108
    002288.15 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault................108
    002288.17 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault................108
    002299.03 - Auxiliary Valve 1 Circuit Fault................108
    002299.04 - Auxiliary Valve 1 Circuit Fault................108
    002299.15 - Auxiliary Valve 1 Warm Up Circuit Fault................108
    002299.17 - Auxiliary Valve 1 Warm Up Circuit Fault................108
    002300.03 - Auxiliary Valve 1 Circuit Fault................108
    002300.04 - Auxiliary Valve 1 Circuit Fault................108
    002300.15 - Auxiliary Valve 1 Warm Up Circuit Fault................108
    002300.17 - Auxiliary Valve 1 Warm Up Circuit Fault................108
    002311.03 - Draft Frame Auxiliary Valve 2 Circuit Fault................108
Section 9005: Operational Checkout Procedure................1175
  Group 10: Operational Checkout Procedure................1175
    Operational Checkout................1213
Section 9010: Engine................1250
  Group 05: Theory of Operation................1250
    Engine Identification................1255
    John Deere Engine Theory of Operation................1259
    Cold Weather Start Aid................1260
    Soft Start................1264
    Engine Speed................1265
  Group 10: System Diagrams................1250
    Engine Cooling System Component Location................1269
    Engine Fuel System Component Location................1272
    Engine Intake and Exhaust Component Location................1274
  Group 15: Diagnostic Information................1250
    John Deere Engine Diagnostic Information................1278
    Engine Sampling Port Location................1279
  Group 25: Tests................1250
    John Deere Engine................1281
    Fluid Sampling Procedure................1282
    Intake Manifold Pressure Test-Turbocharger Boost—9.0L Stage II................1287
    Engine Slow and Fast Idle Speed Check................1289
    Radiator Temperature Differential Test................1290
    Turbocharger Wastegate Actuator Test—Engine 6090HDW04................1292
Section 9015: Electrical System................1294
  Group 05: Theory of Operation................1294
    Controller Area Network (CAN) Theory of Operation................1302
    Start and Charge Circuits Theory of Operation................1305
    Park Brake Circuit Theory of Operation................1311
    Primary Display Unit (PDU) and Sealed Switch Module (SSM) Circuits Theory of Operation................1313
    Engine Control Unit (ECU) Circuit Theory of Operation................1317
    Transmission Control Unit (TCU) Circuit Theory of Operation................1322
    Hydraulic Valve Controller (HVC) Circuit Theory of Operation................1330
    Auxiliary Valve Controller (AVC) Circuit Theory of Operation................1338
    Six-Wheel Drive (6WD) Circuit Theory of Operation................1343
    Vehicle Control Unit (VCU) Circuit Theory of Operation................1348
    Hydraulic Fan Speed and Fan Reversing Circuits Theory of Operation................1357
    Differential Lock Circuit Theory of Operation................1362
    Saddle Lock Circuit Theory of Operation................1365
    Drive Lights, Marker Lights, Hazards, and Turn Lights Circuits Theory of Operation................1367
    Work Lights Circuit Theory of Operation................1371
    Brake Lights and Brake Accumulator Pressure Warning Circuit Theory of Operation................1374
    Backup Lights Circuit Theory of Operation—If Equipped................1376
    Beacon Light Circuit Theory of Operation—If Equipped................1378
    Wipers and Washers Circuits Theory of Operation................1380
    Rear Window Defog and Heated Side Mirrors Circuits Theory of Operation................1385
    Air Conditioner, Heater, and Precleaner Circuits Theory of Operation................1388
    JDLink™ Circuit Theory of Operation................1392
  Group 10: System Diagrams................1294
    Fuse and Relay Specifications................1397
    Electrical Diagram Information................1400
    Electrical Schematic Symbols................1404
    System Functional Schematic, Wiring Diagram, and Component Location Master Legend................1406
    System Functional Schematic................1416
    Power and Ground Cables Wiring Diagram................1423
    Power and Ground Cables Component Location................1425
    Front 6WD Harness (W10) Component Location................1426
    Front 6WD Harness (W10) Wiring Diagram................1428
    Cab Roof Harness (W14) Component Location................1429
    Cab Roof Harness (W14) Wiring Diagram................1431
    Cab Interior Harness (W15) Component Location—6WD................1432
    Cab Interior Harness (W15) Wiring Diagram—6WD................1436
    Cab Interior Harness (W16) Component Location—Non 6WD................1440
    Cab Interior Harness (W16) Wiring Diagram—Non 6WD................1444
    Front Motor Speed Sensor Harnesses (W17 and W18) Component Location—6WD................1448
    Front Motor Speed Sensor Harnesses (W17 and W18) Wiring Diagram—6WD................1449
    Blade Impact Harness (W19) Component Location—If Equipped................1451
    Blade Impact Harness (W19) Wiring Diagram—If Equipped................1452
    Turn-Tail-Stop Light Harness (W20) Component Location................1453
    Turn-Tail-Stop Light Harness (W20) Wiring Diagram................1454
    Drive and Turn Lights Harnesses (W22 and W23) Component Location................1455
    Drive and Turn Lights Harnesses (W22 and W23) Wiring Diagram................1456
    Steering Angle Sensor Harness (W24) Component Location—6WD................1458
    Steering Angle Sensor Harness (W24) Wiring Diagram—6WD................1459
    Front Platform Harness (W25) Component Location................1460
    Front Platform Harness (W25) Wiring Diagram................1462
    Rear Platform Harness (W26) Component Location................1467
    Rear Platform Harness (W26) Wiring Diagram................1468
    Rear Camera Harness (W27) Component Location—If Equipped................1469
    Rear Camera Harness (W27) Wiring Diagram—If Equipped................1470
    Fan Door Harness (W31) Component Location................1471
    Fan Door Harness (W31) Wiring Diagram................1472
    Heater and Air Conditioner Harness (W32) Component Location................1473
    Heater and Air Conditioner Harness (W32) Wiring Diagram................1474
    Radio Harness (W33) Component Location................1475
    Radio Harness (W33) Wiring Diagram................1477
    Midstructure Harness (W34) Component Location................1478
    Midstructure Harness (W34) Wiring Diagram................1479
    Transmission Harness (W35) Component Location................1480
    Transmission Harness (W35) Wiring Diagram................1482
    Tilt Console Harness (W36) Component Location................1484
    Tilt Console Harness (W36) Wiring Diagram................1486
    Electrohydraulic (EH) Main Cab Harness (W38) Component Location................1489
    Electrohydraulic (EH) Main Cab Harness (W38) Wiring Diagram................1491
    Electrohydraulic (EH) Main Frame Harness (W39) Component Location................1493
    Electrohydraulic (EH) Main Frame Harness (W39) Wiring Diagram................1495
    Electrohydraulic (EH) Draft Frame Harness (W40) Component Location................1498
    Electrohydraulic (EH) Draft Frame Harness (W40) Wiring Diagram................1499
    Electrohydraulic (EH) Armrest Harnesses (W44 and W45) Component Location................1500
    Electrohydraulic (EH) Armrest Harnesses (W44 and W45) Wiring Diagram................1501
    Electrohydraulic (EH) Integrated Grade Control (IGC) Harnesses (W48 and W49) Component Location................1503
    Electrohydraulic (EH) Integrated Grade Control (IGC) Harnesses (W48 and W49) Wiring Diagram................1504
    Engine Interface Harness (W50) Component Location................1507
    Engine Interface Harness (W50) Wiring Diagram................1508
    Engine Harness (W55) Component Location—Engine 6090HDW01B................1509
    Engine Harness (W55) Wiring Diagram—Engine 6090HDW01B................1510
    Engine Harness (W56) Component Location—Engine 6090HDW04................1512
    Engine Harness (W56) Wiring Diagram—Engine 6090HDW04................1513
    Auxiliary Radio Input Harness (W59) Component Location—If Equipped................1514
    Auxiliary Radio Input Harness (W59) Wiring Diagram—If Equipped................1515
    License Plate Harness (W65) Component Location................1516
    License Plate Harness (W65) Wiring Diagram................1517
    Rear Camera Display Harness (W67) Component Location................1518
    Rear Camera Display Harness (W67) Wiring Diagram................1519
    Drive Light Extension Jumper Harnesses (W75 and W76) Component Location—If Equipped................1520
    Drive Light Extension Jumper Harnesses (W75 and W76) Wiring Diagram—If Equipped................1522
    Diesel Fired Coolant Heater (DFCH) Harness (W77) Component Location—If Equipped................1524
    Diesel Fired Coolant Heater Harness (W77) Wiring Diagram—If Equipped................1525
    Engine Work Light Harness (W79) Component Location................1526
    Engine Work Light Harness (W79) Wiring Diagram................1527
    Six-Wheel Drive (6WD) Pump Harness (W90) Component Location................1528
    Six-Wheel Drive (6WD) Pump Harness (W90) Wiring Diagram................1529
    JDLink™ Harnesses (W6002 and W6003) Component Location—If Equipped................1531
    JDLink™ Modular Telematics Gateway (MTG) Harness (W6002) Wiring Diagram—If Equipped................1533
    JDLink™ Satellite (SAT) Harness (W6003) Wiring Diagram—If Equipped................1534
  Group 15: Diagnostic Information................1297
    Vehicle Control Unit (VCU) Outputs................1539
    Service ADVISOR™ Application................1543
    Service ADVISOR™ Connection Procedure................1544
    Service ADVISOR™ Remote (SAR) Connection Procedure................1546
    Reading Diagnostic Trouble Codes (DTCs) With Service ADVISOR™ Application................1548
    Intermittent Diagnostic Trouble Code (DTC) Diagnostics................1551
    Cross Slope Diagnostics................1552
    JDLink™ Connection Procedure—If Equipped................1561
  Group 16: Monitor Operation................1297
    Primary Display Unit (PDU)—Service Mode................1564
    Service Menu—Display Settings—Menu Access................1566
    Service Menu—Calibrations—Six-Wheel Drive (6WD)................1567
    Service Menu—Calibrations—Transmission................1568
    Service Menu—Calibrations—Articulation Angle................1569
    Service Menu—Diagnostics—Codes—Clear Codes................1570
    Service Menu—Diagnostics—OBD Tool................1571
    Service Menu—Diagnostics—OBD Tool—Auxiliary Valve Controller (AVC)................1573
    Service Menu—Diagnostics—OBD Tool—Hydraulic Valve Controller (HVC)................1579
    Service Menu—Diagnostics—OBD Tool—Six-Wheel Drive (6WD) Controller (HWD)................1585
    Main Menu—Diagnostics—OBD Tool—Modular Telematics Gateway (MTG)................1592
    Main Menu—Diagnostics—OBD Tool—JDLink™ 2 (JL2) Control Unit................1604
    Service Menu—Diagnostics—OBD Tool—Transmission Control Unit (TCU)................1616
    Service Menu—Diagnostics—OBD Tool—Vehicle Control Unit (VCU)................1626
    Service Menu—Machine Setup—Tire Size................1636
    Main Menu—Machine Setting—Auto Low Idle................1637
    Service Menu—Machine Setup—Auto Shutdown................1638
  Group 17: Diagnostic Test Box................1297
    Setup and Functional Test................1648
    Two Wire Sensor Circuit Check—Out of Range High................1657
    Two Wire Sensor Circuit Check—Out of Range Low................1659
    Three Wire Sensor Circuit Check—Out of Range High................1661
    Three Wire Sensor Circuit Check—Out of Range Low................1663
  Group 20: Adjustments................1298
    Transmission Control Unit (TCU) Calibration................1668
    Six-Wheel Drive (6WD) Controller Calibration—If Equipped................1671
    Six-Wheel Drive (6WD) Motor Incomplete Calibration Test................1674
    CAN Circuit Testing................1678
    Lower Windshield Wiper Proximity Switch Adjustment and Installation................1684
    Articulation Sensor Linkage Adjustment (Rear Steer)................1686
    Electrohydraulic Valve Calibration Procedure................1687
    Articulation Sensor Calibration Procedure................1690
    Steering Angle Sensor Calibration Procedure................1691
  Group 25: Tests................1298
    Electrical Component Specifications................1699
    Component Exchange Diagnostic Test................1706
    Alternator Test................1708
    Output Shaft Speed Sensor Test................1712
    Inching Pedal Module Test................1713
    Accelerator Pedal Sensor Test................1717
    Hydraulic Pump Pressure Sensor Test................1719
    Hydraulic Fan Speed Sensor Test................1722
    Switch Test................1725
    Wiper Motor Test................1730
    Electrical Component Checks................1732
    Connector Terminal Test................1738
Section 9016: Six-Wheel Drive (6WD)................1741
  Group 05: Theory of Operation................1741
    Six-Wheel Drive (6WD) System Operation................1745
    6WD Pump and Displacement Control Operation................1747
    Six-Wheel Drive (6WD) Forward Operation................1748
    Six-Wheel Drive (6WD) Pump Operation................1751
    Six-Wheel Drive (6WD) Charge Circuit Operation................1753
    Flushing Valve and Charge Pressure Regulating Valve Operation................1754
    Six-Wheel Drive (6WD) Circuit Relief and Make-Up Valve Operation................1756
    Six-Wheel Drive (6WD) Engagement Manifold Operation................1759
    Six-Wheel Drive (6WD) Motor Operation................1761
    6WD Wheel Operation................1763
    6WD Precision Mode Operation................1765
    6WD Inching Mode Operation................1767
  Group 10: System Diagrams................1741
    Six-Wheel Drive (6WD) System Schematic................1770
    Six-Wheel Drive (6WD) System Component Location................1772
  Group 15: Diagnostic Information................1741
    No Front Wheel Motion (Both Wheels)................1741
    No Front Wheel Motion During Inching Operation (Both Wheels)................1741
    No Front Wheel Motion (One Wheel)................1741
    Intermittent or Erratic Six-Wheel Drive (6WD) Operation................1741
    Six-Wheel Drive (6WD) Charge Pressure Indicator Light On................1741
    Hydraulic Oil Filter................1741
    Hydraulic Oil Temperature Indicator Light On................1741
    Six-Wheel Drive (6WD) System Oil Temperature Too Hot (6WD Oil Temperature Indicator On)................1741
    Low Torque (One Wheel)................1741
    Low Torque (Both Wheels)................1741
    Wheel Overspeed (One Wheel)................1741
    Operates in Low Speed Only (One Wheel)................1741
    Operates in High Speed Only (One Wheel)................1741
    Wheel(s) Will Not Stay in Neutral................1741
    Operates in One Direction Only................1742
    Wheels Rotate Opposite Each Other................1742
    6WD Will Not Calibrate (No Diagnostic Trouble Codes)................1742
  Group 20: Adjustments................1742
    6WD Start-Up Procedure................1825
    Six-Wheel Drive (6WD) Pump Control Neutral Adjustment................1827
  Group 25: Tests................1742
    Six-Wheel Drive (6WD) Oil Warm-Up Procedure................1832
    Six-Wheel Drive (6WD) Planetary Brake Leakage Test................1833
    Six-Wheel Drive (6WD) Neutral Charge Pressure Test................1836
    Six-Wheel Drive (6WD) Charge Pressure Regulating Valve Test................1840
    Six-Wheel Drive (6WD) Neutral Charge Pressure Balance Test................1845
    Six-Wheel Drive (6WD) Motor Leakage Test................1848
    Six-Wheel Drive (6WD) Circuit Relief and Make-Up Valve Test................1853
    6WD Charge Pump Flow Test................1858
    Six-Wheel Drive (6WD) Engagement Solenoid Valve Test................1859
    Six-Wheel Drive (6WD) Hydraulic Oil Cooler Bypass Valve Pressure Test................2209
Section 9020: Power Train................1864
  Group 05: Theory of Operation................1864
    DF180 Powershift Transmission Operation................1868
    Differential Lock Operation................1870
    Internal Park Brake Operation................1874
    Rear Axle and Tandem Operation................1876
  Group 10: System Diagrams................1864
    Power Train Schematic................1879
    Power Train Component Location................1881
  Group 15: Diagnostic Information................1864
    Transmission Overfills With Oil................1864
    Transmission Slippage................1864
    Machine “Jumps” When Inching Pedal Engaged................1864
    Machine Lacks Power Or Moves Slow................1864
    Transmission Shifts Too Slow (Machine Stops When Changing Gears Under Load)................1864
    Transmission Shifts Too Quickly................1864
    Machine Will Not Move In Any Gear and Park Brake Indicator Light Is On (No Load Put On Engine When Shifted Into Gear)................1864
    Machine Will Not Move (Load Put On Engine Or Engine Stalls When Shifted Into Gear)................1864
    Low Pressure In Different Gears Using Same Proportional Solenoid Valve................1864
    Machine Creeps In Neutral (Load Put On Engine When Service Brakes Are Applied)................1864
    Machine Creeps In Gear With Inching Pedal Fully Depressed................1864
    Transmission System Overheats................1864
    Transmission Control Lever Does Not Move Freely................1864
    Excessive Transmission Noise (Under Load or No Load)................1864
    Transmission Engages In a Gear, but Not Gear Selected................1864
    Transmission Fails To Change Gear From First Gear Selected................1864
    Transmission Faults To Neutral................1864
    Excessive Machine Vibration................1864
    Erratic Transmission Oil Pressure................1864
    Excessive Oil Pressure................1864
    Low Oil Pressure In All Gears................1864
    Low Pressure In One Gear But Correct In Other Gears................1864
    Transmission Breather Oil Leakage................1865
    Filter Or Filter Oil Lines Blow Out................1865
    Low Lube Pressure In Some Gears But Correct In Other Gears................1865
    Excessive Lube Pressure In Some Gears But Correct In Other Gears................1865
    Low Transmission Cooler Inlet Pressure And Lube Pressure................1865
    Park Brake Engages While Vehicle Is Moving................1865
    Park Brake Will Not Release................1865
    Park Brake Will Not Hold................1865
    Park Brake Overheats................1865
    Park Brake Noisy................1865
    No Differential Lock Operation................1870
    Differential Lock Slippage................1865
    Excessive Differential and/or Axle Noise................1865
  Group 25: Tests................1865
    Differential Oil Warm-Up Procedure................1938
    Differential Lock Valve Pressure Test................1940
    Differential Lock Charge Pump Flow Test................1942
    Differential Oil Cooler Differential Pressure Test................1944
    Differential Oil Cooler Bypass Valve Pressure Test................1948
    Transmission Oil Cooler Differential Pressure Test................1951
    Park Brake Release Pressure Test................1955
Section 9025: Hydraulic System................1956
  Group 05: Theory of Operation................1956
    Hydraulic System Operation................1961
    Hydraulic Pump Operation................1963
    Hydraulic Fan Pump Operation................1966
    Hydraulic System Manifold Operation................1967
    Control Valve Operation—Standard Controls................1969
    Control Valve Operation—EH Controls................1973
    Hydraulic Oil Filter Operation................1977
    System Relief Valve Operation................1979
    Circuit Relief Valve Operation................1980
    Service Brake Valve Operation................1981
    Service Brake Accumulator Operation................1983
    Hydraulic Fan Drive Operation................1985
    Steering System Operation................1987
    Steering System Operation—EH Controls................1989
    Load Sense Operation With All Functions in Neutral................1991
    Load Sense Operation With One Function Activated................1993
    Load Sense Operation With Multiple Functions Activated................1995
    Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, and Blade Side Shift Valve Operation................1998
    Circle Rotate Valve Operation................2000
    Saddle Locking Pin Valve Operation................2002
    Blade Lift and Auxiliary Valve Operation................2004
    Blade Impact Absorption System Operation................2007
    Circle Drive Gearbox Operation-Without Slip Clutch................2010
    Circle Drive Gearbox Operation-With Slip Clutch................2012
    Dual Input Circle Drive Gearbox Operation—If Equipped................2015
    Dual Input Circle Drive Gearbox (With Slip Clutch) Operation—If Equipped................2017
    Hydraulic Oil Cooler Bypass Manifold Operation................2019
  Group 10: System Diagrams................1956
    Hydraulic System Schematic Master Legend................2024
    Hydraulic System Schematic................2028
    Hydraulic System Schematic Master Legend—EH Controls................2032
    Hydraulic System Schematic—EH Controls................2037
    Hydraulic System Component Location................2042
    Hydraulic System Component Location—EH Controls................2047
  Group 15: Diagnostic Information................1957
    No Hydraulics................1957
    Hydraulic System Overheats................1957
    Slow Hydraulic Functions................1957
    Hydraulic Function (or Pump) Makes “Chattering” Noise................1957
    Pump Appears To Be Stuck At Minimum Displacement................1957
    Pump Appears To Be Stuck At Maximum Displacement................1957
    Function Moves Too Fast................1957
    Function Drifts Down................1957
    Excessive Effort to Move Function Control Lever................1957
    Individual Function Is Slow (Cycle Time Checked Slow)................1957
    Slow or Hard Steering................1957
    No Steering................1957
    Erratic Steering................1957
    Excessive Steering Wheel Turns to Steer Machine................1957
    Wheels Move After Steering Wheel Stopped................1957
    Excessive Vibration of Steering Wheel................1957
    Steering Wheel Kickback................1957
    Poor or No Brakes (Steering and Hydraulic System Operation Normal)................1957
    Aggressive Brakes or Brakes Lock Up................1957
    Brakes Drag................1957
    Brakes Chatter or Noisy................1957
    Delay in Braking................1957
    Hydraulic Fan Does Not Reach Full Speed................1957
    Hydraulic Fan Runs At Full Speed Only................1957
    Hydraulic Fan Does Not Spin................1957
    Hydraulic Fan Will Not Reverse Direction................1957
  Group 25: Tests................1957
    JT02156A Digital Pressure and Temperature Analyzer Kit Installation................2119
    Hydraulic Oil Warm-Up Procedure................2120
    Vacuum Pump Installation................2121
    Hydraulic Pump Standby Pressure Hydraulic Pump Standby Pressure & Load Sense Standby Pressure Test{pgNO}1958 Load Sense Standby Pressure Test................2122
    Load Sense Relief Valve Load Sense Relief Valve & Pump Relief Test{pgNO}1958 Pump Relief Test................2128
    System Relief Valve Pressure Test................2133
    Load Sense Shuttle Valve Isolation Test—Standard Controls................2137
    Load Sense Shuttle Valve Isolation Test—EH Controls................2143
    Hydraulic Pump Leakage Test................2149
    Hydraulic Pump Flow Test................2151
    Service Brake Valve Pressure Test................2154
    Service Brake Accumulator Precharge Test................2157
    Service Brake Pressure Switch Test................2160
    Service Brake Valve Leakage Test................2163
    Hydraulic Cylinder Drift Test................2165
    Hydraulic Cylinder Leakage Test................2167
    Rotary Manifold Leakage Test................2170
    Steering System Leakage Test................2174
    Service Brake Accumulator Inlet Check Valve Leakage Test................2180
    Blade Impact Absorption Accumulator Charge Pressure Test................2183
    Blade Impact Absorption Accumulator Hydraulic Discharge Procedure................2186
    Secondary Steering Accumulator Charge Pressure Test................2188
    Blade Lift Relief Valve Test................2191
    Circuit Relief Valve Test—Midmount Scarifier................2194
    Saddle Locking Cylinder Pressure Reducing Valve Test................2196
    Hydraulic Fan Pump Pressure Test................2199
    Hydraulic Fan Pump Flow Test................2201
    Hydraulic Fan Motor Speed Test................2204
    Hydraulic Fan Motor Case Drain Test................2206
    Hydraulic Oil Cooler Bypass Valve Pressure Test................2209
Section 9031: Heating and Air Conditioning................2211
  Group 05: Theory of Operation................2211
    Air Conditioning System Cycle of Operation................2214
  Group 10: System Diagrams................2211
    Air Conditioner and Heater Component Location................2218
  Group 15: Diagnostic Information................2211
    Diagnose Air Conditioning System Malfunctions................2221
    Air Conditioning System Does Not Operate................2211
    Air Conditioner Does Not Cool Interior of Cab................2211
    Air Conditioner Runs Constantly, Too Cold................2211
    Diagnose Heater System Malfunctions................2232
    Heater System Does Not Operate................2211
    Heater Does Not Warm Interior of Cab................2211
    Interior Windows Continue to Fog................2211
  Group 25: Tests................2211
    R134a Refrigerant Cautions and Proper Handling................2244
    Heater and Air Conditioner Operational Checks................2245
    Operating Pressure Diagnostic Chart................2248
    Air Conditioner Compressor Clutch Test................2250
    Air Conditioner High/Low-Pressure Switch Test................2251
    R134a Refrigerant Leak Test................2254
    R134a Oil Charge Capacity................2255
    R134a Refrigerant Charge Capacity................2256
    Air Conditioner Freeze Control Switch Test................2257
    Heater Blower Switch Test................2259
    Heater Blower Resistor Test................2260
    Heater Blower Motor Test................2262
    R134a Air Conditioning System Test................2263
    
John Deere 770G, 770GP, 772G, and 772GP Motor Graders Diagnosis and Tests Service Technical Manual (TM14076X19)

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