John Deere Motor Graders 670G, 670GP, 672G, 672GP Operation and Test Manual (TM12135)

Make: 
Price: US$ 59.00

Complete Operation and Test manual for John Deere Motor Graders Models 670G, 670GP, 672G, and 672GP with Engine 6090HDW16, with workshop information to maintain, diagnose, repair, and service like professional mechanics.

John Deere Motor Graders Models 670G, 670GP, 672G, and 672GP workshop Operation and 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.

TM12135 - John Deere 670G, 670GP, 672G, 672GP Motor Grader Technical Manual - Operation and Test Manual.PDF

Total Pages: 2,561 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Language: English

MAIN SECTIONS (SN. 634380—656507)
 Foreword
   Manual Identification-READ THIS FIRST!
   General Information
      Safety
   Diagnostics
      PCU Diagnostic Trouble Codes
      ECU Diagnostic Trouble Codes
      ADU Diagnostic Trouble Codes
      FLC Diagnostic Trouble Codes
      HVC Diagnostic Trouble Codes
      AVC Diagnostic Trouble Codes
      OC3 Diagnostic Trouble Codes
      HWD Diagnostic Trouble Codes
      LJ1 Diagnostic Trouble Codes
      LJ2 Diagnostic Trouble Codes
      LJ3 Diagnostic Trouble Codes
      LJ4 Diagnostic Trouble Codes
      RJ1 Diagnostic Trouble Codes
      RJ2 Diagnostic Trouble Codes
      RJ3 Diagnostic Trouble Codes
      RJ4 Diagnostic Trouble Codes
   Operational Checkout Procedure
      Operational Checkout Procedure
   Engine
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests
   Electrical System
      System Information
      System Diagrams
      Sub-System Diagnostics
      Monitor Operation
      References
   Six Wheel Drive (6WD)
      Theory of Operation
      Diagnostic Information
      Adjustments
      Tests
   Power Train
      Theory of Operation
      Diagnostic Information
      Tests
   Hydraulic System
      Theory of Operation
      Diagnostic Information
      Tests
   Heating and Air Conditioning
      Theory of Operation
      Diagnostic Information
      Tests

tm12135 - 670G, 670GP, 672G, and 672GP Motor Grader

Table of Contents

Foreword

Manual Identification—READ THIS FIRST!

Section 9000: General Information

Group 01: Safety

Recognize Safety Information

Follow Safety Instructions

Operate Only If Qualified

Wear Protective Equipment

Avoid Unauthorized Machine Modifications

Inspect Machine

Stay Clear of Moving Parts

Avoid High-Pressure Fluids

Avoid High-Pressure Oils

Work In Ventilated Area

Prevent Fires

Prevent Battery Explosions

Handle Chemical Products Safely

Decommissioning — Proper Recycling and Disposal of Fluids and Components

Exhaust Filter Ash Handling and Disposal

Prepare for Emergencies

Clean Debris from Machine

Use Steps and Handholds Correctly

Start Only From Operator's Seat

Use and Maintain Seat Belt

Prevent Unintended Machine Movement

Avoid Work Site Hazards

Keep Riders Off Machine

Avoid Backover Accidents

Avoid Machine Tip-Over

Operating Or Traveling On Public Roads

Inspect and Maintain ROPS

Add and Operate Attachments Safely

Park and Prepare for Service Safely

Clean Exhaust Filter Safely

Service Cooling System Safely

Remove Paint Before Welding or Heating

Make Welding Repairs Safely

Drive Metal Pins Safely

Service Tires Safely

Section 9001: Diagnostics

Group 10: PCU Diagnostic Trouble Codes

000177.00 - Transmission Oil Temperature High

000177.04 - Transmission Oil Temperature Short To Ground

000525.02 - Program Variable REQ_GEAR Has Taken On An Invalid Value

000525.12 - Request For An Undefined Shift Being Made

000723.02 - Transmission Input Speed Sensor Bad Data

002000.02 - ECU CAN Data Invalid

002000.09 - Can Communication Lost For ECU

002033.02 - FLC CAN Data Invalid

002033.09 - CAN Communication Lost For FLC

002225.09 - CAN Communication Lost For Six Wheel Drive

522252.00 - Clutch 1 Hold Pressure Too High

522252.01 - Clutch 1 Hold Pressure Too Low

522253.00 - Clutch 2 Hold Pressure Too High

522253.01 - Clutch 2 Hold Pressure Too Low

522254.00 - Clutch 3 Hold Pressure Too High

522254.01 - Clutch 3 Hold Pressure Too Low

522255.00 - Clutch 4 Hold Pressure Too High

522255.01 - Clutch 4 Hold Pressure Too Low

522256.00 - Clutch A Hold Pressure Too High

522256.01 - Clutch A Hold Pressure Too Low

522257.00 - Clutch B Hold Pressure Too High

522257.01 - Clutch B Hold Pressure Too Low

522258.00 - Clutch C Hold Pressure Too High

522258.01 - Clutch C Hold Pressure Too Low

522259.00 - Clutch D Hold Pressure Too High

522259.01 - Clutch D Hold Pressure Too Low

522397.04 - Not In Forward Or Reverse While In Gear

522398.12 - Park And Not Park Both Active

522405.05 - Park Brake Pressure Low At Power-up

522413.12 - Gear Bits Active In Park

522414.03 - Transmission Clutch D Short To Power

522414.05 - Transmission Clutch D Open/Short To Ground

522507.14 - Inching Pedal During Trans Calibration

522517.31 - Engine Stall Prevention Active

523655.03 - Forward And Reverse Both Active

523699.31 - Transmission Speed Clutch Slipping

523700.00 - Clutch Protection Excessive Inching

523700.16 - Clutch Protection Excessive Inching

523700.31 - Transmission Direction Clutch Slipping

523708.02 - Inching Switch Signal Bad

523712.31 - Transmission CAL Without Park Brake Set

523717.31 - Helper Clutch Pressure High

523718.31 - Clutch Drum Speed Decel Excessive

523720.00 - Clutch D Fill Time Too Long

523720.01 - Clutch D Fill Time Too Short

523721.00 - Clutch C Fill Time Too Long

523721.01 - Clutch C Fill Time Too Short

523722.00 - Clutch B Fill Time Too Long

523722.01 - Clutch B Fill Time Too Short

523723.00 - Clutch A Fill Time Too Long

523723.01 - Clutch A Fill Time Too Short

523724.00 - Clutch 4 Fill Time Too Long

523724.01 - Clutch 4 Fill Time Too Short

523725.00 - Clutch 3 Fill Time Too Long

523725.01 - Clutch 3 Fill Time Too Short

523726.00 - Clutch 2 Fill Time Too Long

523726.01 - Clutch 2 Fill Time Too Short

523727.00 - Clutch 1 Fill Time Too Long

523727.01 - Clutch 1 Fill Time Too Short

523728.31 - Transmission Reverse Cylinder Speed Incorrect At Calibration

523729.31 - Transmission Forward Cylinder Speed Incorrect At Calibration

523730.31 - No Transmission Cylinder Speed During Calibration

523731.31 - Transmission Output Speed Detected At Calibration

523732.31 - Engine Speed Too Low To Calibrate The Transmission

523733.31 - Engine Speed Too High To Calibrate The Transmission

523734.31 - Transmission Too Cold To Calibrate

523735.04 - Valve Driver Supply Voltage Low

523736.14 - Bad Gear Position Switch State

523738.02 - Shifter Handle Problem

523738.31 - Shifter Handle Problem

523739.31 - Not Park And Forward/Reverse Mismatch

523740.31 - Forward/Reverse Switch And Gear Mismatch

523741.31 - Started In Gear

523742.31 - Shifter Vsense Low

523747.14 - Park and Not Park Both Passive

523750.04 - Not Park Passive In Gear Or Neutral

523754.03 - Not Park Active At Startup

523755.05 - Park Start Input Passive At Power Up

523761.03 - Transmission Clutch 4 Short To Power

523761.05 - Transmission Clutch 4 Open/Short To Ground

523762.03 - Transmission Clutch 3 Short To Power

523762.05 - Transmission Clutch 3 Open/Short To Ground

523763.03 - Transmission Clutch 2 Short To Power

523763.05 - Transmission Clutch 2 Open/Short To Ground

523764.03 - Transmission Clutch 1 Short To Power

523764.05 - Transmission Clutch 1 Open/Short To Ground

524029.00 - Inching Pedal Out Of Range High

524029.01 - Inching Pedal Out Of Range Low

524029.12 - Inching Pedal Minimum Voltage Exceeds Maximum Voltage

524194.07 - Direction Sensor Mismatch

524271.03 - Transmission Clutch C Short To Power

524271.05 - Transmission Clutch C Open/Short To Ground

524272.03 - Transmission Clutch B Short To Power

524272.05 - Transmission Clutch B Open/Short To Ground

524273.03 - Transmission Clutch A Short To Power

524273.05 - Transmission Clutch A Open/Short To Ground

524275.31 - Forward/Reverse Without Valid Gear

Group 20: ECU Diagnostic Trouble Codes

000029.03 - Decelerator Pedal Short to Power

000091.03 - Accelerator Pedal Short to Power

000091.04 - Accelerator Pedal Open or Short

000111.07 - Engine Coolant Level Mismatch

000111.17 - Engine Coolant Level Low

000596.31 - Engine Speed Control Enable Switch Fault

000600.31 - Engine Speed Accel/Decel Switch Fault

001196.31 - ECU Anti Theft Locked

001321.05 - Starter Relay Open Circuit

001321.06 - Starter Relay High Current

001321.30 - Starter Engaged for 30 Seconds

001321.31 - Starter Solenoid Open Circuit

002003.09 - CAN Communication Lost For TCU

002033.09 - CAN Communication Lost For FLC

002033.19 - Flex Power Messages Lost

003353.31 - Alternator Output Fault

003587.05 - Ether Solenoid Open or Short to Power

003587.06 - Ether Solenoid Circuit Short to Ground

005004.06 - Soft Start Solenoid Current High

Group 30: ADU Diagnostic Trouble Codes

000158.03 - Switched Power Voltage High

000158.04 - Switched Power Voltage Low

000168.03 - Battery Voltage High

000168.04 - Battery Voltage Low

000442.00 - Display Temperature High

000442.01 - Display Temperature Low

001491.11 - LCD Backlight Failure

002033.09 - CAN Communication Lost For FLC

003597.02 - 5.0 Volt Power Supply Invalid

003598.02 - 1.5 Volt Power Supply Invalid

003599.02 - 3.3 Volt Power Supply Invalid

523436.14 - ADU Watchdog Time Out

523438.31 - Memory Error

523651.02 - Memory Stack Overflow

523773.03 - CAN High Voltage High

523773.04 - CAN High Voltage Low

523774.03 - CAN Low Voltage High

523774.04 - CAN Low Voltage Low

524076.10 - Information Button Stuck

524077.10 - Back Key Button Stuck

524078.10 - Menu Select Button Stuck

524080.10 - Down Arrow Button Stuck

524082.10 - Up Arrow Button Stuck

Group 40: FLC Diagnostic Trouble Codes

000096.03 - Fuel Level Sender Open or Short

000096.04 - Fuel Level Sender Short To Ground

000117.01 - Service Brake Pressure Low

000117.04 - Service Brake Accumulator Switch Short to Ground

000167.03 - System Voltage Above Normal

000167.04 - System Voltage Below Normal

000168.03 - High Battery Voltage

000168.04 - Low Battery Voltage

000746.05 - Differential Lock Solenoid Open or Short

000746.06 - Differential Lock Solenoid High Current

000880.05 - Brake Lights Open or Short

000880.06 - Brake Lights High Current

000977.05 - Reverse Fan Solenoid Open or Short

000977.06 - Reverse Fan Solenoid Short to Ground

000977.07 - Fan Pressure Too High to Reverse

001045.04 - Brake Light Switch Short to Ground

001071.03 - Fan Speed Solenoid Open or Short

001071.04 - Fan Speed Solenoid High Current

001196.02 - ECU Toggle Lock Status Failed

001550.05 - AC Clutch Open Circuit

001550.06 - AC Clutch Short to Ground

001638.00 - Hydraulic Oil High Temperature

001638.03 - Hydraulic Oil Temperature Sensor Open or Short

001638.04 - Hydraulic Oil Temp Short To Ground

001639.01 - Fan Speed Signal Extremely Low

001639.16 - Fan Speed Signal Moderately High

001639.18 - Fan Speed Signal Moderately Low

001713.01 - Hydraulic Oil Filter Restricted

001713.03 - Hydraulic Oil Filter Switch Short to Power

001762.01 - Hydraulic Pressure Low

001762.03 - Hydraulic Pressure Short to Power

001762.04 - Hydraulic Pressure Short to Ground

002000.09 - CAN Communication Lost For ECU

002003.09 - CAN Communication Lost For TCU

002034.09 - CAN Communication Lost For AVC

002040.09 - CAN Communication Lost For ADU

002141.09 - CAN Communication Lost For SSM

002160.09 - CAN Communication Lost For RJ1

002161.09 - CAN Communication Lost For RJ2

002162.09 - CAN Communication Lost For RJ3

002163.09 - CAN Communication Lost For RJ4

002165.09 - CAN Communication Lost For LJ1

002166.09 - CAN Communication Lost For LJ2

002167.09 - CAN Communication Lost For LJ3

002168.09 - CAN Communication Lost For LJ4

002213.09 - CAN Communication Lost For HVC

002225.09 - CAN Communication Lost For 6WD

002251.09 - JDL CAN Comm Bad Update Rate

002348.05 - High Beam Lamps Open Circuit

002348.06 - High Beam Lamps High Current

002350.05 - Low Beam Lamps Open Circuit

002350.06 - Low Beam Lamps High Current

002352.05 - Cab Front Work Lights Open Circuit

002352.06 - Cab Front Work Lights High Current

002353.05 - Front Work Lights Open Circuit

002353.06 - Front Work Lights High Current

002356.05 - Front Cab Corner Lights Open Circuit

002356.06 - Front Cab Corner Lights High Current

002360.05 - Rear Work Lights Open Circuit

002360.06 - Rear Work Lights High Current

002362.05 - Rear Cab Corner Lights Open Circuit

002362.06 - Rear Cab Corner Lights High Current

002366.05 - Side Work Lights Open Circuit

002366.06 - Side Work Lights High Current

002368.05 - Left Turn Lights Open Circuit

002368.06 - Left Turn Lights High Current

002370.05 - Right Turn Lights Open Circuit

002370.06 - Right Turn Lights High Current

002378.05 - Marker/Tail Lights Open Circuit

002378.06 - Marker/Tail Lights High Current

002386.06 - Rotary Beacon Short to Ground

002874.04 - High Beam Switch Short to Ground

002876.04 - Turn Signal Switch Short to Ground

003318.03 - Blade Pitch Sensor Short to Power

003318.04 - Blade Pitch Sensor Short to Ground

003319.03 - Slope Sensor Short to Power

003319.04 - Slope Sensor Short to Ground

003331.03 - Circle Rotate Sensor Short to Power

003331.04 - Circle Rotate Sensor Short to Ground

3509.03 - Sensor Supply 1 Short to Power

3509.04 - Sensor Supply 1 Short to Ground

003510.03 - Sensor Supply 2 Short to Power

003510.04 - Sensor Supply 2 Short to Ground

003511.03 - Sensor Supply 3 Short to Power

003511.04 - Sensor Supply 3 Short to Ground

520450.03 - Saddle Lock Pin Switch Short to Power

521900.03 - Articulation Angle Sensor Short to Power

521900.04 - Articulation Angle Sensor Short to Ground

522340.05 - Saddle Lock Solenoid Open Circuit

522340.06 - Saddle Lock Solenoid High Current

522341.05 - Heated Mirror Open Circuit

522341.06 - Heated Mirror High Current

522343.06 - Rear Window Defrost Relay High Current

522375.01 - Transmission Oil Filter Restricted

522375.03 - Transmission Oil Filter Switch Short to Power

522415.05 - Front Lower Washer Pump Open Circuit

522415.06 - Front Lower Washer Pump High Current

522416.05 - Front Lower Wiper High Speed Open Circuit

522416.06 - Front Lower Wiper High Speed High Current

522417.05 - Front Lower Wiper Park Open Circuit

522418.05 - Front Lower Wiper Low Speed Open Circuit

522418.06 - Front Lower Wiper Low Speed High Current

522426.05 - Rear Wiper Park Open Circuit

522427.05 - Front Wiper Park Open Circuit

522433.05 - Rear Wiper Low Speed Open Circuit

522433.06 - Rear Wiper Low Speed High Current

522434.05 - Front Wiper Low Speed Open Circuit

522434.06 - Front Wiper Low Speed High Current

522435.05 - Front Wiper High Speed Open Circuit

522435.06 - Front Wiper High Speed High Current

522796.05 - Rear Washer Pump Open Circuit

522796.06 - Rear Washer Pump High Current

522797.05 - Front Washer Pump Open Circuit

522797.06 - Front Washer Pump High Current

523440.04 - Unswitched Power Voltage Low

523688.03 - Steering Angle Sensor Short to Power

523688.04 - Steering Angle Sensor Short to Ground

523689.04 - Differential Lock Switch Short to Ground

523901.01 - Front Lower Window Switch Short to Ground

524044.01 - Axle Oil Filter Restricted

524044.03 - Axle Oil Filter Switch Short to Power

Group 50: HVC Diagnostic Trouble Codes

000583.03 - Mainfall Sensor Short to Power

000583.04 - Mainfall Sensor Short to Ground

001503.04 - Left Armrest Up Switch Short to Ground

001503.13 - Left Armrest Position Undetermined

001565.04 - Left Armrest Down Switch Short to Ground

001566.04 - Right Armrest Down Switch Short to Ground

001899.03 - Circle Side Shift A Short to Power

001899.04 - Circle Side Shift A Open or Short to Ground

001899.15 - Circle Side Shift Valve Warm Up Circuit Fault

001899.17 - Circle Side Shift Valve Warm Up Circuit Fault

001900.03 - Circle Side Shift B Short to Power

001900.04 - Circle Side Shift B Open or Short to Ground

001900.15 - Circle Side Shift Valve Warm Up Circuit Fault

001900.17 - Circle Side Shift Valve Warm Up Circuit Fault

001911.03 - Wheel Lean A Short to Power

001911.04 - Wheel Lean A Open or Short to Ground

001911.15 - Wheel Lean Valve Warm Up Circuit Fault

001911.17 - Wheel Lean Valve Warm Up Circuit Fault

001912.03 - Wheel Lean B Short to Power

001912.04 - Wheel Lean B Open or Short to Ground

001912.15 - Wheel Lean Valve Warm Up Circuit Fault

001912.17 - Wheel Lean Valve Warm Up Circuit Fault

001923.03 - Right Blade Lift A Short to Power

001923.04 - Right Blade Lift A Open or Short to Ground

001923.15 - Right Blade Lift Valve Warm Up Circuit Fault

001923.17 - Right Blade Lift Valve Warm Up Circuit Fault

001924.03 - Right Blade Lift B Short to Power

001924.04 - Right Blade Lift B Open or Short to Ground

001924.15 - Right Blade Lift Valve Warm Up Circuit Fault

001924.17 - Right Blade Lift Valve Warm Up Circuit Fault

001935.03 - Articulation A Short to Power

001935.04 - Articulation A Open or Short to Ground

001935.15 - Articulation Valve Warm Up Circuit Fault

001935.17 - Articulation Valve Warm Up Circuit Fault

001936.03 - Articulation B Short to Power

001936.04 - Articulation B Open or Short to Ground

001936.15 - Articulation Valve Warm Up Circuit Fault

001936.17 - Articulation Valve Warm Up Circuit Fault

001947.03 - Circle Rotate A Short to Power

001947.04 - Circle Rotate A Open or Short to Ground

001947.15 - Circle Rotate Valve Warm Up Circuit Fault

001947.17 - Circle Rotate Valve Warm Up Circuit Fault

001948.03 - Circle Rotate B Short to Power

001948.04 - Circle Rotate B Open or Short to Ground

001948.15 - Circle Rotate Valve Warm Up Circuit Fault

001948.17 - Circle Rotate Valve Warm Up Circuit Fault

001959.03 - Blade Side Shift A Short to Power

001959.04 - Blade Side Shift A Open or Short to Ground

001959.15 - Blade Side Shift Valve Warm Up Circuit Fault

001959.17 - Blade Side Shift Valve Warm Up Circuit Fault

001960.03 - Blade Side Shift B Short to Power

001960.04 - Blade Side Shift B Open or Short to Ground

001960.15 - Blade Side Shift Valve Warm Up Circuit Fault

001960.17 - Blade Side Shift Valve Warm Up Circuit Fault

001971.03 - Left Blade Lift A Short to Power

001971.04 - Left Blade Lift A Open or Short to Ground

001971.15 - Left Blade Lift Valve Warm Up Circuit Fault

001971.17 - Left Blade Lift Valve Warm Up Circuit Fault

001972.03 - Left Blade Lift B Short to Power

001972.04 - Left Blade Lift B Open or Short to Ground

001972.15 - Left Blade Lift Valve Warm Up Circuit Fault

001972.17 - Left Blade Lift Valve Warm Up Circuit Fault

001983.03 - Steering Left A Short to Power

001983.04 - Steering Left A Open or Short to Ground

001983.15 - Steering Valve Warm Up Circuit Fault

001983.17 - Steering Valve Warm Up Circuit Fault

001984.03 - Steering Left B Short to Power

001984.04 - Steering Left B Open or Short to Ground

001984.15 - Steering Valve Warm Up Circuit Fault

001984.17 - Steering Valve Warm Up Circuit Fault

002000.09 - CAN Communication Lost For ECU

002003.09 - CAN Communication Lost For TCU

002033.09 - CAN Communication Lost For FLC

002034.09 - CAN Communication Lost For AVC

002160.09 - CAN Communication Lost For RJ1

002161.09 - CAN Communication Lost For RJ2

002162.09 - CAN Communication Lost For RJ3

002163.09 - CAN Communication Lost For RJ4

002165.09 - CAN Communication Lost For LJ1

002166.09 - CAN Communication Lost For LJ2

002167.09 - CAN Communication Lost For LJ3

002168.09 - CAN Communication Lost For LJ4

520752.04 - Return to Straight Switch 1 Short to Ground

520753.04 - Return to Straight Switch 2 Short to Ground

520754.04 - Return to Straight Switch 3 Short to Ground

520755.04 - Return to Straight Switch 4 Short to Ground

521485.04 - Right Armrest Up Switch Short to Ground

521485.13 - Right Armrest Position Undetermined

523849.13 - Return to Straight Switch Mismatch

Group 60: AVC Diagnostic Trouble Codes

001995.03 - Blade Pitch A Short to Power

001995.04 - Blade Pitch A Open or Short to Ground

001995.15 - Blade Pitch Solenoid Warm Up Circuit Fault

001995.17 - Blade Pitch Solenoid Warm Up Circuit Fault

001996.03 - Blade Pitch B Short to Power

001996.04 - Blade Pitch B Open or Short to Ground

001996.15 - Blade Pitch Solenoid Warm Up Circuit Fault

001996.17 - Blade Pitch Solenoid Warm Up Circuit Fault

002000.09 - CAN Communication Lost For ECU

002003.09 - CAN Communication Lost For TCU

002033.09 - CAN Communication Lost For FLC

002160.09 - CAN Communication Lost For RJ1

002161.09 - CAN Communication Lost For RJ2

002162.09 - CAN Communication Lost For RJ3

002163.09 - CAN Communication Lost For RJ4

002165.09 - CAN Communication Lost For LJ1

002166.09 - CAN Communication Lost For LJ2

002167.09 - CAN Communication Lost For LJ3

002168.09 - CAN Communication Lost For LJ4

002213.09 - CAN Communication Lost For HVC

002263.03 - Ripper/Under Cab Auxiliary 1 A Short to Power

002263.04 - Ripper/Under Cab Auxiliary 1 A Open or Short to Ground

002263.15 - Draft Frame Auxiliary Valve 1 Circuit Fault

002263.17 - Draft Frame Auxiliary Valve 1 Circuit Fault

002264.03 - Ripper/Under Cab Auxiliary 1 B Short to Power

002264.04 - Ripper/Under Cab Auxiliary 1 B Open or Short to Ground

002264.15 - Under Cab Auxiliary Valve 1 Warm Up Circuit Fault

002264.17 - Under Cab Auxiliary Valve 1 Warm Up Circuit Fault

002275.03 - Under Cab Auxiliary 2 A Short to Power

002275.04 - Under Cab Auxiliary 2 A Open or Short to Ground

002275.15 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault

002275.17 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault

002276.03 - Under Cab Auxiliary 2 B Short to Power

002276.04 - Under Cab Auxiliary 2 B Open or Short to Ground

002276.15 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault

002276.17 - Under Cab Auxiliary Valve 2 Warm Up Circuit Fault

002287.03 - Under Cab Auxiliary 3 A Short to Power

002287.04 - Under Cab Auxiliary 3 A Open or Short to Ground

002287.15 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault

002287.17 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault

002288.03 - Under Cab Auxiliary 3 B Short to Power

002288.04 - Under Cab Auxiliary 3 B Open or Short to Ground

002288.15 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault

002288.17 - Under Cab Auxiliary Valve 3 Warm Up Circuit Fault

002299.03 - Draft Frame Auxiliary 1 A Short to Power

002299.04 - Draft Frame Auxiliary 1 A Open or Short to Ground

002299.15 - Under Cab Auxiliary Valve 1 Warm Up Circuit Fault

002299.17 - Under Cab Auxiliary Valve 1 Warm Up Circuit Fault

002300.03 - Draft Frame Auxiliary 1 B Short to Power

002300.04 - Draft Frame Auxiliary 1 B Open or Short to Ground

002300.15 - Under Cab Auxiliary Valve 1 Warm Up Circuit Fault

002300.17 - Under Cab Auxiliary Valve 1 Warm Up Circuit Fault

002311.03 - Draft Frame Auxiliary 2 A Short to Power

002311.04 - Draft Frame Auxiliary 2 A Open or Short to Ground

002311.15 - Draft Frame Auxiliary Valve 2 Warm Up Circuit Fault

002311.17 - Draft Frame Auxiliary Valve 2 Warm Up Circuit Fault

002312.03 - Draft Frame Auxiliary 2 B Short to Power

002312.04 - Draft Frame Auxiliary 2 B Open or Short to Ground

002312.15 - Draft Frame Auxiliary Valve 2 Warm Up Circuit Fault

002312.17 - Draft Frame Auxiliary Valve 2 Warm Up Circuit Fault

002323.03 - Draft Frame Auxiliary 3 A Short to Power

002323.04 - Draft Frame Auxiliary 3 A Open or Short to Ground

002323.15 - Draft Frame Auxiliary Valve 3 Warm Up Circuit Fault

002323.17 - Draft Frame Auxiliary Valve 3 Warm Up Circuit Fault

002324.03 - Draft Frame Auxiliary 3 B Short to Power

002324.04 - Draft Frame Auxiliary 3 B Open or Short to Ground

002324.15 - Draft Frame Auxiliary Valve 3 Warm Up Circuit Fault

002324.17 - Draft Frame Auxiliary Valve 3 Warm Up Circuit Fault

004528.03 - Right Auxiliary X Axis 2 Short to Power

004528.04 - Right Auxiliary X Axis 2 Short to Ground

004531.03 - Right Auxiliary X Axis Short to Power

004531.04 - Right Auxiliary X Axis Short to Ground

004531.13 - Right Auxiliary X Axis Redundance Mismatch

004532.03 - Right Auxiliary Y Axis 2 Short to Power

004532.04 - Right Auxiliary Y Axis 2 Short to Ground

004535.03 - Right Auxiliary Y Axis Short to Power

004535.04 - Right Auxiliary Y Axis Short to Ground

004535.13 - Right Auxiliary Y Axis Redundance Mismatch

004539.03 - Right Auxiliary 2 Switch Short to Power (Stuck On)

004539.04 - Right Auxiliary 2 Switch Short to Ground

004540.03 - Right Blade Lift Float Switch Short to Power (Stuck On)

004540.04 - Right Blade Lift Float Switch Short to Ground

004541.03 - Right Auxiliary 1 Switch Short to Power (Stuck On)

004541.04 - Right Auxiliary 1 Switch Short to Ground

004713.03 - Left Auxiliary X Axis Short to Power 2

004713.04 - Left Auxiliary X Axis Short to Ground 2

004716.03 - Left Auxiliary X Axis Short to Power

004716.04 - Left Auxiliary X Axis Short to Ground

004716.13 - Left Auxiliary X Axis Redundance Mismatch

004717.03 - Left Auxiliary Y Axis 2 Short to Power

004717.04 - Left Auxiliary Y Axis 2 Short to Ground

004720.03 - Left Auxiliary Y Axis Short to Power

004720.04 - Left Auxiliary Y Axis Short to Ground

004720.13 - Left Auxiliary Y Axis Redundance Mismatch

004724.03 - Left Auxiliary 2 Switch Short to Power (Stuck On)

004724.04 - Left Auxiliary 2 Switch Short to Ground

004725.03 - Left Blade Lift Float Switch Short to Power (Stuck On)

004725.04 - Left Blade Lift Float Switch Short to Ground

004726.03 - Left Auxiliary 1 Switch Short to Power (Stuck On)

004726.04 - Left Auxiliary 1 Switch Short to Ground

516292.05 - Under Cab End Plate Warm-Up Open Circuit

516292.06 - Under Cab End Plate Warm-Up High Current

516300.05 - Draft Frame End Plate Warm-Up Open Circuit

516300.06 - Draft Frame End Plate Warm-Up High Current

Group 70: OC3 Diagnostic Trouble Codes

000629.12 - SSM Watchdog Time Out

002033.09 - CAN Communication Lost For FLC

002634.04 - Ignition Relay Output Short to Ground

002634.05 - Ignition Relay Output Open

520752.04 - Heated Mirror Button Stuck

520752.09 - Heated Mirror Button Missing CAN Status Message

520753.04 - Rear Defrost Button Stuck

520753.09 - Rear Defrost Button Missing CAN Message

520754.04 - Lower Washer Button Stuck

520754.09 - Lower Washer Button Missing CAN Status Message

520755.04 - Lower Wiper Button Stuck

520755.09 - Lower Wiper Button Missing CAN Status Message

523335.04 - Rear Wiper Button Stuck

523335.09 - Rear Wiper Button Missing CAN Status Message

523336.04 - Rear Washer Button Stuck

523336.09 - Rear Washer Button Missing CAN Status Message

523338.04 - Auto Blade Button Stuck

523338.09 - Auto Blade Button Missing CAN Status Message

523339.04 - Auto Differential Lock Button Stuck

523339.09 - Auto Differential Lock Button Missing CAN Status Message

523340.04 - Auto Shift Button Stuck

523340.09 - Auto Shift Button Missing CAN Status Message

523849.04 - Air Conditioning/Defrost Button Stuck

523849.09 - Air Conditioning/Defrost Button Missing CAN Status Message

523850.04 - Front Wiper Button Stuck

523850.09 - Front Wiper Button Missing CAN Status Message

523852.04 - Front Washer Button Stuck

523852.09 - Front Washer Button Missing CAN Status Message

523854.04 - Right Cab Work Lights Button Stuck

523854.09 - Right Cab Work Lights Button Missing CAN Status Message

523855.04 - Cab Corner Work Lights Button Stuck

523855.09 - Cab Corner Work Lights Button Missing CAN Status Message

523856.04 - Spare Button Stuck

523856.09 - Spare Button Missing CAN Status Message

523857.04 - Drive Marker Light Button Stuck

523857.09 - Drive Marker Light Button Missing CAN Status Message

523858.04 - Frame Work Light Button Stuck

523858.09 - Frame Work Light Button Missing CAN Status Message

523860.04 - Cab Front Work Lights Button Stuck

523860.09 - Cab Front Work Lights Button Missing CAN Status Message

523861.04 - Lever Steering Button Stuck

523861.09 - Lost Lever Steering LED Message

523862.04 - Saddle Lock Pin Button Stuck

523862.09 - Saddle Lock Pin Button Missing CAN Status Message

523863.04 - Hydraulic Enable Button Stuck

523863.09 - Hydraulic Enable Button Missing CAN Status Message

523864.04 - Hazard Button Stuck

523864.09 - Hazard Button Missing CAN Status Message

523865.04 - Beacon Light Button Stuck

523865.09 - Beacon Light Button Missing CAN Status Message

523867.04 - Stop Button Stuck

523867.09 - Stop Button Missing CAN Status Message

523868.04 - Start Button Stuck

523868.09 - Start Button Missing CAN Status Message

Group 80: HWD Diagnostic Trouble Codes

000598.04 - Bottom of Inching Pedal Short To Ground

000611.02 - Left Pump Neutral Out of Adjustment

000611.06 - No Left Motor Speed During Calibration

000611.07 - No Left Motor Speed During Warm Up

000611.11 - Unable to Calibrate Left Forward Gears 1—4

000612.02 - Right Pump Neutral Out of Adjustment

000612.06 - No Right Motor Speed During Calibration

000612.07 - No Right Motor Speed During Warm Up

000612.11 - Unable to Calibrate Right Forward Gears 1—4

000613.11 - Unable to Calibrate Left Reverse Gears 1—4

000614.07 - Left High/Low Solenoid Off During Calibration

000614.11 - Unable to Calibrate Right Reverse Gears 1—4

000615.07 - Right High/Low Solenoid Off During Calibration

001592.00 - Six Wheel Drive Left Motor Overspeed

001593.00 - Six Wheel Drive Right Motor Overspeed

002000.09 - CAN Communication Lost For ECU

002003.09 - CAN Communication Lost From Transmission Control Unit (TCU)

002033.09 - CAN Communication Lost For FLC

002538.31 - Transmission Control Unit (TCU) Not Allowing Precision Mode

002612.04 - Six Wheel Drive On/Off Switch Short To Ground

522447.04 - Right Forward Brake Solenoid Short To Ground

522447.05 - Right Forward Brake Solenoid Open Circuit

522448.04 - Right Reverse Brake Solenoid Short To Ground

522448.05 - Right Reverse Brake Solenoid Open Circuit

522449.04 - Left Reverse Brake Solenoid Short To Ground

522449.05 - Left Reverse Brake Solenoid Open Circuit

522450.04 - Left Forward Brake Solenoid Short To Ground

522450.05 - Left Forward Brake Solenoid Open Circuit

522507.03 - Calibration Power After Power-up

522507.04 - Six Wheel Drive Calibration Input Short To Ground

523216.05 - No Voltage To Valve Power 4

523217.05 - No Voltage To Valve Power 5

523218.05 - No Voltage To Valve Power 2

523219.05 - No Voltage To Valve Power 1

523678.03 - Right Drive Pump Reverse Solenoid Short To Power

523678.05 - Right Drive Pump Reverse Solenoid Open Circuit

523679.03 - Left Drive Pump Reverse Solenoid Short To Power

523679.05 - Left Drive Pump Reverse Solenoid Open Circuit

523680.03 - Left Drive Pump Forward Solenoid Short To Power

523680.05 - Left Drive Pump Forward Solenoid Open Circuit

523681.03 - Right Drive Pump Forward Solenoid Short To Power

523681.05 - Right Drive Pump Forward Solenoid Open Circuit

523856.05 - Precision Speed Switch Open Circuit

523857.04 - Precision Mode Short To Ground

523858.04 - Inching Mode Short To Ground

523860.05 - Aggressiveness Switch Open Circuit

523861.04 - Aggressiveness Switch A Short To Ground

523862.04 - Aggressiveness Switch B Short To Ground

523863.04 - Aggressiveness Switch C Short To Ground

523864.04 - Aggressiveness Switch D Short To Ground

524073.04 - Left High/Low Solenoid Short To Ground

524073.05 - Left High/Low Solenoid Open Circuit

524074.04 - Right High/Low Solenoid Short To Ground

524074.05 - Right High/Low Solenoid Open Circuit

524075.03 - Flex Load Controller (FLC) Enable Signal Stuck On

524075.05 - Flex Load Controller (FLC) Enable Signal Stuck Off

524083.01 - Six Wheel Drive Charge Pressure Low

524083.03 - Six Wheel Drive Charge Pressure Switch Short To Power

524084.00 - Six Wheel Drive Loop Oil Temperature High

524084.04 - Six Wheel Drive Loop Oil Temperature Short To Ground

524089.03 - Left Loop Pressure Sensor Short To Power

524089.04 - Left Loop Pressure Sensor Short To Ground

524090.03 - Right Loop Pressure Sensor Short To Power

524090.04 - Right Loop Pressure Sensor Short To Ground

524160.04 - Not Neutral Switch Short To Ground

Group 90: LJ1 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 100: LJ2 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 110: LJ3 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 120: LJ4 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 130: RJ1 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 140: RJ2 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 150: RJ3 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Group 160: RJ4 Diagnostic Trouble Codes

002697.13 - JS Out of Calibration

002697.14 - JS Redundant Sense Failure

002698.13 - JS Out of Calibration

002698.14 - JS Redundant Sense Failure

Section 9005: Operational Checkout Procedure

Group 10: Operational Checkout Procedure

Operational Checkout

Section 9010: Engine

Group 05: Theory of Operation

John Deere Engine

Exhaust Aftertreatment

Cold Start Aid—If Equipped

Soft Start

Group 15: Diagnostic Information

John Deere Engine

Engine Cranks/Won't Start

Engine Misfires/Runs Irregularly

Engine Does Not Develop Full Power

Engine Emits Excessive White Exhaust Smoke

Engine Emits Excessive Black or Gray Exhaust Smoke

Engine Will Not Crank

Engine Idles Poorly

Abnormal Engine Noise

Fuel Supply System Check

Excessive Fuel Consumption

Fuel in Oil

Engine Sampling Port Location

Engine Cooling System Component Location

Engine Fuel System Component Location

Engine Intake and Exhaust Component Location

Group 20: Adjustments

John Deere Engine

Service Filter Cleaning

Group 25: Tests

John Deere Engine

Fluid Sampling Procedure

Engine Slow and Fast Idle Speed Check

Radiator Temperature Differential Test

Exhaust Emissions Test Point

Section 9015: Electrical System

Group 05: System Information

Electrical Diagram Information

Electrical Schematic Symbols

Group 10: System Diagrams

Fuse and Relay Specifications

System Functional Schematic, Wiring Diagram and Component Location Master Legend

System Functional Schematic

Power and Ground Cables Component Location

Power and Ground Cables Wiring Diagram

Front 6WD Harness (W10) Component Location

Front 6WD Harness (W10) Wiring Diagram

Heater and Air Conditioner Harness (W12) Component Location

Heater and Air Conditioner Harness (W12) Wiring Diagram

Radio Harness (W13) Component Location

Radio Harness (W13) Wiring Diagram

Cab Roof Harness (W14) Component Location

Cab Roof Harness (W14) Wiring Diagram

Cab Interior Harness (W15) Component Location—6WD

Cab Interior Harness (W15) Wiring Diagram—6WD

Cab Interior Harness (W16) Component Location—Non 6WD

Cab Interior Harness (W16) Wiring Diagram—Non 6WD

Front Motor Speed Sensor Harnesses (W17 and W18) Component Location—6WD

Front Motor Speed Sensor Harnesses (W17 and W18) Wiring Diagram—6WD

Blade Impact Harness (W19) Component Location—If Equipped

Blade Impact Harness (W19) Wiring Diagram—If Equipped

Drive and Turn Lights Harnesses (W22 and W23) Component Location

Drive and Turn Lights Harnesses (W22 and W23) Wiring Diagram

Steering Angle Sensor Harness (W24) Component Location—6WD

Steering Angle Sensor Harness (W24) Wiring Diagram—6WD

Front Platform Harness (W25) Component Location

Front Platform Harness (W25) Wiring Diagram

Rear Platform Harness (W26) Component Location

Rear Platform Harness (W26) Wiring Diagram

Rear Camera Harness (W27) Component Location—If Equipped

Rear Camera Harness (W27) Wiring Diagram

Fan Door Harness (W31) Component Location

Fan Door Harness (W31) Wiring Diagram

Midstructure Harness (W34) Component Location

Midstructure Harness (W34) Wiring Diagram

Transmission Harness (W35) Component Location

Transmission Harness (W35) Wiring Diagram

Tilt Console Harness (W36) Component Location

Tilt Console Harness (W36) Wiring Diagram

Electrohydraulic (EH) Main Cab Harness (W38) Component Location

Electrohydraulic (EH) Main Cab Harness (W38) Wiring Diagram

Electrohydraulic (EH) Main Frame Harness (W39) Component Location

Electrohydraulic (EH) Main Frame Harness (W39) Wiring Diagram

Electrohydraulic (EH) Draft Frame Harness (W40) Component Location

Electrohydraulic (EH) Draft Frame Harness (W40) Wiring Diagram

Electrohydraulic (EH) Armrest Harnesses (W44 and W45) Component Location

Electrohydraulic (EH) Armrest Harnesses (W44 and W45) Wiring Diagram

Electrohydraulic (EH) Armrest Interlock Harnesses (W46 and W47) Component Location

Electrohydraulic (EH) Armrest Interlock Harnesses (W46 and W47) Wiring Diagram

Electrohydraulic (EH) Integrated Grade Control (IGC) Harnesses (W48 and W49) Component Location

Electrohydraulic (EH) Integrated Grade Control (IGC) Harnesses (W48 and W49) Wiring Diagram

Engine Interface Harness (W50) Component Location

Engine Interface Harness (W50) Wiring Diagram

Engine Harness (W51) Component Location

Engine Harness (W51) Wiring Diagram

Low Pressure Fuel System Harness (W52) Component Location

Low Pressure Fuel System Harness (W52) Wiring Diagram

Exhaust Aftertreatment Harness (W53) Component Location

Exhaust Aftertreatment Harness (W53) Wiring Diagram

Rear View Camera Display Harness (W67) Component Location

Rear View Camera Display Harness (W67) Wiring Diagram

JDLink™ Harnesses (W6002 and W6003) Component Location—If Equipped

JDLink™ Modular Telematics Gateway (MTG) Harness (W6002) Wiring Diagram—If Equipped

JDLink™ Satellite (SAT) Harness (W6003) Wiring Diagram—If Equipped

Group 15: Sub-System Diagnostics

Controller Area Network (CAN) Theory of Operation

Start and Charge Circuits Theory of Operation

Park Brake Circuit Theory of Operation

Advanced Display Unit (ADU) and Sealed Switch Module (SSM) Circuits Theory of Operation

Engine Control Unit (ECU) Circuit Theory of Operation

Exhaust Aftertreatment Circuit Theory of Operation

Transmission Control Unit (TCU) Circuit Theory of Operation

Hydraulic Valve Controller (HVC) Circuit Theory of Operation

Auxiliary Valve Controller (AVC) Circuit Theory of Operation

Six Wheel Drive (6WD) Controller Circuit Theory of Operation

Flex Load Controller (FLC) Circuit Theory of Operation

Hydraulic Fan Speed and Fan Reversing Circuits Theory of Operation

Differential Lock Circuit Theory of Operation

Saddle Lock Circuit Theory of Operation

Drive Lights, Marker Lights, Hazards, and Turn Lights Circuits Theory of Operation

Work Lights Circuit Theory of Operation

Brake Lights and Brake Accumulator Pressure Warning Circuit Theory of Operation

Backup Lights Circuit Theory of Operation—IF Equipped

Beacon Light Circuit Theory of Operation—If Equipped

Wipers and Washers Circuits Theory of Operation

Rear Window Defog and Heated Side Mirrors Circuits Theory of Operation

Air Conditioner, Heater, and Precleaner Circuits Theory of Operation

JDLink™ Circuit Theory of Operation

Group 16: Monitor Operation

Advanced Display Unit (ADU)—Service Mode

Advanced Display Unit (ADU)—Clear Codes

Advanced Display Unit (ADU)—Show/Hide Main Menu

Advanced Display Unit (ADU)—Enable Options

Advanced Display Unit (ADU)—Tire Size

Advanced Display Unit (ADU)—Fan Speed

Advanced Display Unit (ADU)—Articulation Calibration

Advanced Display Unit (ADU)—Steering Cal

Advanced Display Unit (ADU)—GP Auxiliary Valve Flows

Advanced Display Unit (ADU)—GP Auxiliary Control Setup

Advanced Display Unit (ADU)—Exhaust Filter Service

Advanced Display Unit (ADU)—Exhaust Filter Auto Cleaning Setting

Group 20: References

Flex Load Controller (FLC) Outputs

Service ADVISOR™ Application

Service ADVISOR™ Connection Procedure

Reading Diagnostic Trouble Codes (DTC) With Service ADVISOR™ Application

Intermittent Diagnostic Trouble Code (DTC) Diagnostics

Cross Slope Diagnostics

JDLink™ Connection Procedure—If Equipped

Transmission Control Unit (TCU) Calibration

6WD Controller Calibration (If Equipped)

CAN Circuit Testing

Electrical Component Specifications

Alternator Test

Transmission Control and Park Brake Lever Test

Park/Neutral/Gear Position Switch Module and Forward/Reverse Switch Module Test

Output Shaft Speed Sensor Test

Inching Pedal Module Test

Accelerator Pedal Sensor Test

Hydraulic Pump Pressure Sensor Test

Hydraulic Fan Speed Sensor Test

Lower Windshield Wiper Proximity Switch Adjustment and Installation

Electrical Component Checks

Articulation Sensor Linkage Adjustment (Rear Steer)

Electrohydraulic Valve Calibration Procedure

Articulation Sensor Calibration Procedure

Steering Angle Sensor Calibration Procedure

Park/Neutral/Gear Position Switch Module and Forward/Reverse Switch Module Remove and Install

Controller Remove and Install

Steering Angle Sensor Remove and Install

Connector Terminal Test

Replace Weather Pack™ Connector

Install Weather Pack™ Contact

Replace DEUTSCH® Connectors

Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors

Install DEUTSCH® Contact

Replace (Pull Type) Metri-Pack™ Connectors

Replace (Push Type) Metri-Pack™ Connectors

Replace CINCH CINCH is a trademark of the Cinch Co. Connectors

Install CINCH CINCH is a trademark of the Cinch Co. Contact

Repair 32 and 48 Way CINCH CINCH is a trademark of the Cinch Co. Connectors

Section 9016: Six Wheel Drive (6WD)

Group 05: Theory of Operation

6WD System Operation

6WD Pump and Displacement Control Operation

6WD Forward Operation

6WD Pump and Motor Flushing Pump Operation

6WD Charge Circuit Operation

Flushing Valve and Operating Charge Pressure Regulating Valve Operation

6WD Circuit Relief and Make-Up Valve Operation

6WD Engagement Manifold Operation

6WD Motor Operation

6WD Wheel Operation

6WD Precision Mode Operation

6WD Inching Mode Operation

Group 15: Diagnostic Information

6WD System Schematic

6WD System Component Location

No Front Wheel Motion (Both Wheels)

No Front Wheel Motion During Inching Operation (Both Wheels)

No Front Wheel Motion (One Wheel)

Intermittent or Erratic 6WD Operation

6WD Charge Pressure Indicator Light On

Hydraulic Oil Filter

Hydraulic Oil Temperature Indicator Light On

6WD System Oil Temperature Too Hot (6WD oil temperature indicator light on)

Low Torque (One Wheel)

Low Torque (Both Wheels)

Wheel Overspeed (One Wheel)

Operates in Low Speed Only (One Wheel)

Operates in High Speed Only (One Wheel)

Wheel(s) Will Not Stay in Neutral

Operates in One Direction Only

Wheels Rotate Opposite Each Other

6WD Will Not Calibrate (No Diagnostic Trouble Codes)

Group 20: Adjustments

6WD Start-Up Procedure

6WD Pump Control Neutral Adjustment

Group 25: Tests

Avoid High-Pressure Fluids

6WD Oil Warm-Up Procedure

6WD Planetary Brake Leakage Test

6WD Neutral Charge Pressure Test

6WD Neutral Charge Pressure Regulating Valve Test

6WD Operating Charge Pressure Regulating Valve Test

6WD Neutral Charge Pressure Balance Test

6WD Motor Leakage Test

Pressure Override Valve and 6WD Circuit Relief and Make-Up Valve Test

6WD Motor Flushing Pump Relief Valve Test

6WD Charge Pump Flow Test

6WD Engagement Solenoid Valve Test

Hydraulic Oil Cooler Bypass Valve Pressure Test

Section 9020: Power Train

Group 05: Theory of Operation

DF180 Powershift Transmission Operation

Differential Lock Operation

Internal Park Brake Operation

Rear Axle and Tandem Operation

Group 15: Diagnostic Information

Power Train Schematic

Power Train Component Location

Transmission Overfills With Oil

Transmission Slippage

Machine “Jumps” When Inching Pedal Engaged

Machine Lacks Power Or Moves Slow

Transmission Shifts Too Slow (Machine Stops When Changing Gears Under Load)

Transmission Shifts Too Quickly

Machine Will Not Move In Any Gear and Park Brake Indicator Light Is On (No Load Put On Engine When Shifted Into Gear)

Machine Will Not Move (Load Put On Engine Or Engine Stalls When Shifted Into Gear)

Low Pressure In Different Gears Using Same Proportional Solenoid Valve

Machine Creeps In Neutral (Load Put On Engine When Service Brakes Are Applied)

Machine Creeps In Gear With Inching Pedal Fully Depressed

Transmission System Overheats

Transmission Control and Park Brake Lever Does Not Move Freely

Excessive Transmission Noise (Under Load or No Load)

Transmission Engages In a Gear, but Not Gear Selected

Transmission Fails To Change Gear From First Gear Selected

Transmission Faults To Neutral

Excessive Machine Vibration

Erratic Transmission Oil Pressure

Excessive Oil Pressure

Low Oil Pressure In All Gears

Low Pressure In One Gear But Correct In Other Gears

Transmission Breather Oil Leakage

Filter Or Filter Oil Lines Blow Out

Low Lube Pressure In Some Gears But Correct In Other Gears

Excessive Lube Pressure In Some Gears But Correct In Other Gears

Low Transmission Cooler Inlet Pressure And Lube Pressure

Park Brake Engages While Vehicle Is Moving

Park Brake Will Not Release

Park Brake Will Not Hold

Park Brake Overheats

Park Brake Noisy

No Differential Lock Operation

Differential Lock Slippage

Excessive Differential and/or Axle Noise

Group 25: Tests

Differential Oil Warm-Up Procedure

Differential Lock Valve Pressure Test

Differential Oil Cooler Flow Test

Differential Oil Cooler Relief Valve Pressure Test

Park Brake Release Pressure Test

Section 9025: Hydraulic System

Group 05: Theory of Operation

Hydraulic System Operation

Hydraulic Pump Operation

Hydraulic Fan Pump Operation

Hydraulic System Manifold Operation

Control Valve Operation—Standard Controls

Control Valve Operation—EH Controls

Hydraulic Oil Filter Operation

System Relief Valve Operation

Circuit Relief Valve Operation

Service Brake Valve Operation

Service Brake Accumulator Operation

Hydraulic Fan Drive Operation

Steering System Operation

Steering System Operation—EH Controls

Load Sense Operation With All Functions in Neutral

Load Sense Operation With One Function Activated

Load Sense Operation With Multiple Functions Activated

Wheel Lean, Articulation, Circle Side Shift, Blade Pitch, and Blade Side Shift Valve Operation

Circle Rotate Valve Operation

Saddle Locking Pin Valve Operation

Blade Lift and Auxiliary Valve Operation

Blade Impact Absorption System Operation

Circle Drive Gearbox Operation-Without Slip Clutch

Circle Drive Gearbox Operation-With Slip Clutch

Dual Input Circle Drive Gearbox Operation—If Equipped

Dual Input Circle Drive Gearbox (With Slip Clutch) Operation—If Equipped

Group 15: Diagnostic Information

Hydraulic System Schematic

Hydraulic System Schematic—EH Controls

Hydraulic System Component Location

Hydraulic System Component Location—EH Controls

No Hydraulics

Hydraulic System Overheats

Slow Hydraulic Functions

Hydraulic Function (or Pump) Makes “Chattering” Noise

Pump Appears To Be Stuck At Minimum Displacement

Pump Appears To Be Stuck At Maximum Displacement

Function Moves Too Fast

Function Drifts Down

Excessive Effort to Move Function Control Lever

Individual Function Is Slow (Cycle Time Checked Slow)

Slow or Hard Steering

No Steering

Erratic Steering

Excessive Steering Wheel Turns to Steer Machine

Wheels Move After Steering Wheel Stopped

Excessive Vibration of Steering Wheel

Steering Wheel Kickback

Poor or No Brakes (Steering and Hydraulic System Operation Normal)

Aggressive Brakes or Brakes Lock Up

Brakes Drag

Brakes Chatter or Noisy

Delay in Braking

Hydraulic Fan Does Not Reach Full Speed

Hydraulic Fan Runs At Full Speed Only

Hydraulic Fan Does Not Spin

Hydraulic Fan Will Not Reverse Direction

Group 25: Tests

Hydraulic Test Port Location

JT02156A Digital Pressure/Temperature Analyzer Kit Installation

JT07148 Digital Hydraulic Flowmeter Tester

Hydraulic Oil Warm-Up Procedure

Vacuum Pump Installation

Hydraulic Pump Standby Pressure & Load Sense Standby Pressure Test

Load Sense Relief Valve & Pump Relief Test

System Relief Valve Pressure Test

Load Sense Shuttle Valve Isolation Test—Standard Controls

Load Sense Shuttle Valve Isolation Test—EH Controls

Hydraulic Pump Leakage Test

Hydraulic Pump Flow Test

Service Brake Valve Pressure Test

Service Brake Accumulator Precharge Test

Service Brake Pressure Switch Test

Service Brake Valve Leakage Test

Hydraulic Cylinder Drift Test

Hydraulic Cylinder Leakage Test

Rotary Manifold Leakage Test

Steering System Leakage Test

Service Brake Accumulator Inlet Check Valve Leakage Test

Blade Impact Absorption Accumulator Charge Pressure Test

Blade Impact Absorption Accumulator Hydraulic Discharge Procedure

Secondary Steering Accumulator Charge Pressure Test

Blade Lift Relief Valve Test

Circuit Relief Valve Test—Midmount Scarifier

Saddle Locking Cylinder Pressure Reducing Valve Test

Hydraulic Fan Pump Pressure Test

Hydraulic Fan Pump Flow Test

Hydraulic Fan Pump Case Drain Test

Hydraulic Fan Motor Speed Test

Hydraulic Fan Pump Control Test and Adjustment

Hydraulic Fan Motor Case Drain Test

Section 9031: Heating and Air Conditioning

Group 05: Theory of Operation

Air Conditioning System Cycle Of Operation

Group 15: Diagnostic Information

Air Conditioner and Heater Component Location

Diagnose Air Conditioning System Malfunctions

Air Conditioning System Does Not Operate

Air Conditioner Does Not Cool Interior of Cab

Air Conditioner Runs Constantly, Too Cold

Diagnose Heater System Malfunctions

Heater System Does Not Operate

Heater Does Not Warm Interior of Cab

Interior Windows Continue to Fog

Group 25: Tests

Refrigerant Cautions and Proper Handling

Air Conditioner and Heater Operational Checks

Refrigerant Leak Test

R134a Oil Charge Capacity

R134a Refrigerant Charge Capacity

Air Conditioner Compressor Clutch Test

Air Conditioner High/Low Pressure Switch Test

Air Conditioner Freeze Control Switch Test

Heater Blower Switch Test

Heater Blower Resistor Test

Heater Blower Motor Test

R134a Air Conditioning System Test

Operating Pressure Diagnostic Chart

John Deere Motor Graders 670G, 670GP, 672G, 672GP Operation and Test Manual (TM12135)

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