John Deere 644L 4WD Loader Diagnosis and Repair Service Manual (TM14409X19)
Complete All Inclusive Technical Manual with electrical wiring diagrams for John Deere 644L 4WD Loader, with workshop information to maintain, diagnose, repair, and rebuild like professional mechanics (Diagnosis, Operation, Tests, Repair, Service, Troubleshooting).
John Deere 644L 4WD Loaders workshop technical service 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.
tm14409x19 - 644L 4WD Loader Technical Manual.pdf
tm14409x19 - 644L 4WD Loader Technical Manual.epub
PRODUCT DETAILS:
Total Pages: 2,108 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
TABLE OF CONTENTS...1
Section 9000: General Information...38
Group 01: Safety...38
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance...44
Recognize Safety Information...48
Follow Safety Instructions...49
Operate Only If Qualified...50
Wear Protective Equipment...51
Avoid Unauthorized Machine Modifications...52
Inspect Machine...53
Stay Clear of Moving Parts...54
Avoid High-Pressure Fluids...55
Avoid High-Pressure Oils...56
Work In Ventilated Area...57
Avoid Static Electricity Risk When Refueling...58
Prevent Fires...60
In Case of Machine Fire...61
High Debris Applications...62
Prevent Battery Explosions...63
Clean Debris from Machine...64
Handle Chemical Products Safely...65
Handle Starting Fluid Safely...66
Decommissioning — Proper Recycling and Disposal of Fluids and Components...67
Exhaust Filter Ash Handling and Disposal...68
Prepare for Emergencies...69
Add Cab Guarding for Special Uses...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 Power Lines...80
Avoid Machine Tip Over...81
Use Special Care When Operating Loader...83
Operating on Slopes...84
Operating or Traveling On Public Roads...85
Inspect and Maintain ROPS...86
Travel Safely...87
Prevent Acid Burns...88
Add and Operate Attachments Safely...90
Park and Prepare for Service Safely...91
Service Machines Safely...92
Clean Exhaust Filter Safely...93
Service Cooling System Safely...96
Service Tires Safely...97
Remove Paint Before Welding or Heating...98
Make Welding Repairs Safely...99
Drive Metal Pins Safely...100
Use Proper Lifting Equipment...101
Section 9001: Diagnostic Trouble Codes (DTCs)...102
Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes...122
Engine Control Unit (ECU) Diagnostic Trouble Codes...122
000091.03 - Engine Throttle Short to Power...102
000091.04 - Engine Throttle Open or Short...102
000237.02 - Vehicle Identification Conflict...102
000237.13 - Vehicle Identification Fault...102
000237.31 - Communication Fault...102
001321.06 - Starter Relay High Current...102
001321.16 - Too Long to Start...102
001761.01 - Diesel Exhaust Fluid is Extremely Low...102
001761.18 - Diesel Exhaust Fluid is Very Low...102
002003.09 - Controller Area Network (CAN) Communication Lost for Transmission Control Unit (TCU)...102
002033.09 - Controller Area Network (CAN) Communication Lost for Vehicle Control Unit (VCU)...102
003031.12 - Diesel Exhaust Fluid Temperature Sensor Fault...102
003353.31 - Alternator Output Fault...102
003516.01 - Diesel Exhaust Fluid Concentration Extremely Low...102
003516.07 - Diesel Exhaust Fluid Concentration Invalid...102
003516.09 - Diesel Exhaust Fluid Tank Header Communication Fault...102
003516.12 - Diesel Exhaust Fluid Concentration Sensor Fault...102
003517.12 - Diesel Exhaust Fluid Tank Level Sensor Fault...102
004366.05 - DEF Tank Heater Coolant Control Valve Circuit Has High Resistance...102
004366.06 - DEF Tank Heater Coolant Control Valve Circuit Has Low Resistance...102
004366.16 - DEF Tank Temperature Moderately High...102
004366.18 - DEF Tank Insufficient Heating Fault...102
516434.01 - Emergency Override Usage Time Expired...102
516434.14 - Emergency Override Enabled and Deactivated...102
516434.31 - Emergency Override Enabled and Active...102
516435.14 - Emergency Override Enabled Time Expired...102
Group 20: Transmission Control Unit (TCU) Diagnostic Trouble Codes...158
Transmission Control Unit (TCU) Diagnostic Trouble Codes...158
000091.02 - Timeout EEC2 Message...102
000161.00 - Input Speed High...103
000513.02 - Percent Torque Invalid...103
000513.09 - Timeout EEC1 Message...103
000514.02 - Friction Invalid...103
000514.09 - Timeout EEC3 Message...103
000544.02 - Reference Torque Invalid...103
000544.09 - Timeout Engine Configuration Message...103
000777.02 - TC Clutch Slippage...103
000777.03 - TC Lockup Solenoid Short to Power...103
000777.04 - TC Lockup Solenoid Short to Ground...103
000777.05 - TC Lockup Solenoid Open Circuit...103
001785.09 - Input Speed High...103
002033.09 - CAN Communication Lost for VCU...103
002141.09 - CAN Communication Lost for SSM...103
005010.12 - TCU Locked...103
522344.00 - Converter Overtemperature...103
522350.15 - Input Torque Overload...103
522364.07 - Trans Clutch Calibr Failed...103
522364.13 - Trans Clutch Calibr Failed...103
522366.13 - Application Invalid...103
522367.13 - TCU Config Invalid...103
522368.02 - Memory Failure...103
522370.02 - TCU VP2 Short Circuit...103
522371.02 - TCU VP1 Short Circuit...103
522373.03 - Power Supply High Voltage...103
522373.04 - Power Supply Low Voltage...103
522374.03 - Sensor Supply Short to Power...103
522374.04 - Sensor Supply Short to Ground...103
522375.00 - Trans Oil Filter Restricted...103
522376.00 - Trans Oil Temp Max Value...103
522383.02 - Clutch KR Slippage...103
522383.03 - Clutch Reverse Solenoid Short to Power...103
522383.04 - Clutch Reverse Solenoid Short to Ground...103
522383.05 - Clutch Reverse Solenoid Open Circuit...104
522386.02 - Clutch KV Slippage...104
522386.03 - Clutch Forward Solenoid Short to Power...104
522386.04 - Clutch Forward Solenoid Short to Ground...104
522386.05 - Clutch Forward Solenoid Open Circuit...104
522389.02 - Clutch K4 Slippage...104
522389.03 - Clutch K4 Solenoid Short to Power...104
522389.04 - Clutch K4 Solenoid Short to Ground...104
522389.05 - Clutch K4 Solenoid Open Circuit...104
522392.02 - Clutch K3 Slippage...104
522392.03 - Clutch K3 Solenoid Short to Power...104
522392.04 - Clutch K3 Solenoid Short to Ground...104
522392.05 - Clutch K3 Solenoid Open Circuit...104
522395.02 - Clutch K2 Slippage...104
522395.03 - Clutch K2 Solenoid Short to Power...104
522395.04 - Clutch K2 Solenoid Short to Ground...104
522395.05 - Clutch K2 Solenoid Open Circuit...104
522399.02 - Clutch K1 Slippage...104
522399.03 - Clutch K1 Solenoid Short to Power...104
522399.04 - Clutch K1 Solenoid Short to Ground...104
522399.05 - Clutch K1 Solenoid Open Circuit...104
522401.02 - Output Shaft Speed Sensor Fault...104
522401.03 - Output Shaft Open or Short to Power...104
522401.04 - Output Shaft Short to Ground...104
522401.12 - Output Shaft Fault...104
522401.15 - Output Shaft Overspeed...104
522402.03 - Clutch Speed Sensor Open or Short...104
522402.04 - Clutch Speed Sensor Short to Ground...104
522402.12 - Clutch Speed Sensor Fault...104
522403.03 - Converter Output Speed Sensor Open or Short to Power...104
522403.04 - Converter Output Speed Sensor Short to Ground...104
522403.12 - Converter Output Speed Sensor Fault...104
522404.03 - Converter Input Speed Sensor Open or Short to Power...104
522404.04 - Converter Input Speed Sensor Short to Ground...105
522404.12 - Converter Input Speed Sensor Fault...105
522406.03 - Oil Temperature Sensor Open or Short to Power...105
522406.04 - Oil Temperature Sensor Short to Ground...105
522407.03 - Clutch Cut-Off Sensor Short to Power...105
522407.04 - Clutch Cut-Off Sensor Open or Short to Ground...105
522409.05 - 2nd FNR Open Circuit...105
522409.12 - 2nd FNR Multiple Inputs...105
522412.12 - Gear Selection Error...105
524048.00 - Transmission Output Torque Exceeded...105
524049.00 - Transmission Input Torque Exceeded...105
Group 30: Vehicle Control Unit (VCU) Diagnostic Trouble Codes...286
Vehicle Control Unit (VCU) Diagnostic Trouble Codes...286
000075.00 - Front Axle Oil Temperature High...105
000075.03 - Front Axle Oil Temp Sensor Short to Power...105
000075.04 - Front Axle Oil Temp Sensor Short to Ground...105
000096.04 - Fuel Level Short to Ground...105
000096.05 - Fuel Level Open or Short...105
000096.10 - Fuel Level Abnormal Rate of Change...105
000158.03 - High Battery Voltage...105
000158.04 - Low Battery Voltage...105
000167.16 - Alternator High Voltage...105
000167.18 - Alternator Low Voltage...105
000168.16 - High Battery Voltage...105
000171.04 - Ambient Air Short to Ground...105
000177.00 - Transmission Oil Overtemp...105
000237.02 - Vehicle Identification Fault...105
000237.13 - Vehicle Identification Fault...105
000237.31 - Vehicle Identification Fault...105
000521.03 - Brake Pedal Position Sensor Short to Power...105
000521.04 - Brake Pedal Position Sensor Short to Ground...105
000521.13 - Brake Pedal Position Sensor Out of Calibration...105
000578.00 - Rear Axle Oil High Temp...105
000578.03 - Rear Axle Oil Temp Sensor Short to Power...106
000578.04 - Rear Axle Oil Temp Sensor Short to Ground...106
000629.12 - VCU Watchdog Time Out...106
000639.12 - VCU CAN 1 Failure...106
000639.14 - VCU CAN 1 Bus Off...106
000746.03 - Differential Lock Solenoid Short to Power...106
000746.05 - Differential Lock Solenoid Open Circuit...106
000746.06 - Differential Lock Solenoid High Current...106
000751.12 - Invalid Column FNR Range Selection...106
000785.03 - Pilot Solenoid Short to Power...106
000785.05 - Pilot Solenoid Open Circuit...106
000785.06 - Pilot Solenoid Short to Ground...106
000880.03 - Brake Lights Short to Power...106
000880.05 - Brake Lights Open Circuit...106
000880.06 - Brake Lights High Current...106
000977.03 - Reversing Fan Solenoid Short to Power...106
000977.05 - Reversing Fan Solenoid Open or Short...106
000977.06 - Reversing Fan Solenoid High Current...106
001071.03 - Fan Solenoid High Side (HS) Short to Power...106
001071.05 - Fan Solenoid High Side (HS) Open or Short...106
001071.06 - Fan Solenoid High Side (HS) High Current...106
001071.16 - Fan Solenoid Low Side (LS) High Current...106
001071.18 - Fan Solenoid Low Side (LS) Short to Power...106
001231.12 - VCU CAN 2 Failure...106
001231.14 - VCU CAN 2 Bus Off...106
001235.12 - VCU CAN 3 Failure...106
001235.14 - VCU CAN 3 Bus Off...106
001503.03 - Left Armrest Position Short to Power...106
001503.04 - Left Armrest Position Short to Ground...106
001503.11 - Left Armrest Position Undetermined...106
001503.13 - Left Armrest Position Circuit Fault...106
001529.03 - Ride Control Accumulator Pressure Short to Power...106
001529.04 - Ride Control Accumulator Pressure Short to Ground...106
001638.00 - Hydraulic Oil High Temperature...107
001638.03 - Hydraulic Oil Temperature Sensor Short to Power...107
001638.04 - Hydraulic Oil Temperature Sensor Short to Ground...107
001639.07 - Fan Speed Did Not Lower During Reversal...107
001639.08 - Fan Speed Sensor No Signal...107
001713.01 - Hydraulic Oil Filter Restricted...107
001762.03 - Hydraulic Pressure Sensor Short to Power...107
001762.04 - Hydraulic Pressure Sensor Open or Short...107
002000.09 - CAN Comm Lost with ECU...107
002003.09 - CAN Comm Lost with TCU...107
002040.09 - CAN Comm Lost with PDU...107
002052.09 - CAN Comm Lost with JSC...107
002129.09 - CAN Comm Lost with JSV...107
002141.09 - CAN Comm Lost with SSM...107
002160.09 - CAN Comm Lost with Joystick Controller...107
002169.09 - CAN Comm Lost with RDR...107
002251.09 - CAN Comm Lost with JDLink™...107
002350.03 - Drive Lamps Short to Power...107
002350.05 - Drive Lamps Open or Short...107
002350.06 - Drive Lamps High Current...107
002355.03 - Front Work Lights Short to Power...107
002355.05 - Front Work Lights Open or Short...107
002355.06 - Front Work Lights High Current...107
002356.03 - Front Work Lights Short to Power...107
002356.05 - Front Work Lights Open or Short...107
002356.06 - Front Work Lights High Current...107
002362.03 - Rear Work Lights Short to Power...107
002362.05 - Rear Work Lights Open or Short...107
002362.06 - Rear Work Lights High Current...107
002367.04 - Left Turn Switch Short to Ground...107
002368.03 - Left Turn Lights Short to Power...107
002368.05 - Left Turn Lights Open or Short...107
002368.06 - Left Turn Lights High Current...107
002369.04 - Right Turn Switch Short to Ground...108
002370.03 - Right Turn Lights Short to Power...108
002370.05 - Right Turn Lights Open or Short...108
002370.06 - Right Turn Lights High Current...108
002378.03 - Marker-Tail Lights Short to Power...108
002378.06 - Marker-Tail Lights High Current...108
002386.03 - Beacon Light Short to Power...108
002386.06 - Beacon Light High Current...108
002873.04 - Engine Light Switch Short to Ground...108
002875.04 - Hazard Wakeup Short to Ground...108
003509.04 - VCU Sensor 1 Voltage Low...108
003510.04 - VCU Sensor 2 Voltage Low...108
003511.04 - VCU Sensor 3 Voltage Low...108
003655.04 - Joystick Gear Up Switch Short to Ground...108
003656.04 - Joystick Gear Down Switch Short to Ground...108
004086.03 - LS Pressure Short to Power...108
004086.04 - LS Pressure Short to Ground...108
004952.04 - Seat Belt Switch Short to Ground...108
517290.03 - Brake Valve Pressure Sensor Short to Power...108
517290.04 - Brake Valve Pressure Sensor Short to Ground...108
520537.04 - Multi-Function Button 1 Short to Ground...108
520652.03 - Bucket Curl Valve Solenoid HSD Short to Power...108
520652.05 - Bucket Curl Valve Solenoid HSD Open Circuit...108
520652.06 - Bucket Curl Valve Solenoid HSD Short to Ground...108
520652.16 - Bucket Curl Valve Solenoid LSD Short to Ground...108
520652.18 - Bucket Curl Valve Solenoid LSD Short to Power...108
520653.03 - Bucket Dump Valve Solenoid HSD Short to Power...108
520653.05 - Bucket Dump Valve Solenoid HSD Open Circuit...108
520653.06 - Bucket Dump Valve Solenoid HSD Short to Ground...108
520653.16 - Bucket Dump Valve Solenoid LSD Short to Ground...108
520653.18 - Bucket Dump Valve Solenoid LSD Short to Power...108
520883.13 - Linkage Position Out of Calibration...108
521948.02 - Invalid Engine Tier Level Specified...108
522125.12 - FNR Variant Type Invalid...109
522191.04 - Gear Shift Switch A1 Short to Ground...109
522192.04 - Gear Shift Switch B1 Short to Ground...109
522193.04 - Gear Shift Switch C1 Short to Ground...109
522286.03 - Ride Control Enable Solenoid #2 Short to Power...109
522286.05 - Ride Control Enable Solenoid #2 Open Circuit...109
522286.06 - Ride Control Enable Solenoid #2 Short to Ground...109
522341.03 - Heated Mirror Short to Power...109
522341.05 - Heated Mirror Open Circuit...109
522341.06 - Heated Mirror High Current...109
522379.03 - Park Brake Sol Short to Power...109
522379.05 - Park Brake Sol Open Circuit...109
522379.06 - Park Brake Sol Short to Ground...109
522382.03 - Backup Alarm Short to Power...109
522382.05 - Backup Alarm Open Circuit...109
522382.06 - Backup Alarm Short to Ground...109
522405.02 - Park Brake Pressure Switch Circuit Invalid...109
522405.04 - Park Brake Pressure Switch Circuit Fault...109
522409.01 - Secondary FNR Invalid Direction Selection...109
522411.05 - 1st FNR Open Circuit...109
522411.12 - 1st FNR Multiple Inputs...109
522426.04 - Rear Wiper Park Short to Ground...109
522427.04 - Front Wiper Park Short to Ground...109
522432.03 - R Wiper Hi-Spd Short to Power...109
522432.05 - R Wiper Hi-Spd Open Circuit...109
522432.06 - R Wiper Hi-Spd High Current...109
522433.03 - R Wiper Lo-Spd Short to Power...109
522433.05 - R Wiper Lo-Spd Open Circuit...109
522433.06 - R Wiper Lo-Spd High Current...109
522434.03 - F Wiper Lo-Spd Short to Power...109
522434.05 - F Wiper Lo-Spd Open Circuit...109
522434.06 - F Wiper Lo-Spd High Current...109
522435.03 - F Wiper Hi-Spd Short to Power...109
522435.05 - F Wiper Hi-Spd Open Circuit...110
522435.06 - F Wiper Hi-Spd High Current...110
522436.03 - Bucket Position Short to Power...110
522436.04 - Bucket Position Open or Short...110
522436.07 - Bucket Position Sensor Out of Mechanical Range...110
522436.12 - Bucket Position Sensor Faulted...110
522436.13 - Bucket Position Sensor Out of Calibration...110
522438.03 - Pin Disconnect Solenoid Short to Power...110
522438.05 - Pin Disconnect Solenoid Open Circuit...110
522438.06 - Pin Disconnect Solenoid High Current...110
522544.03 - Boom Cylinder Head Pressure Sensor Open or Short...110
522544.04 - Boom Cylinder Head Pressure Sensor Short to Ground...110
522620.03 - Vehicle Horn Short to Power...110
522620.05 - Vehicle Horn Open Circuit...110
522620.06 - Vehicle Horn High Current...110
522796.03 - Rear Washer Pump Short to Power...110
522796.05 - Rear Washer Pump Open Circuit...110
522796.06 - Rear Washer Pump High Current...110
522797.03 - Front Washer Pump Short to Power...110
522797.05 - Front Washer Pump Open Circuit...110
522797.06 - Front Washer Pump High Current...110
523137.01 - Steering System Pressure Low...110
523137.03 - Steering Pressure Sensor Short to Power...110
523137.04 - Steering Pressure Sensor Short to Ground...110
523137.12 - Steering Pressure Sensor Invalid...110
523411.03 - Boom Down Valve Solenoid HSD Short to Power...110
523411.05 - Boom Down Valve Solenoid HSD Open Circuit...110
523411.06 - Boom Down Valve Solenoid HSD Short to Ground...110
523411.16 - Boom Down Valve Solenoid LSD Short to Ground...110
523411.18 - Boom Down Valve Solenoid LSD Short to Power...110
523414.03 - Boom Up Valve Solenoid HSD Short to Power...110
523414.05 - Boom Up Valve Solenoid HSD Open Circuit...110
523414.06 - Boom Up Valve Solenoid HSD Short to Ground...110
523414.13 - Electro Hydraulic System Out of Calibration...111
523414.16 - Boom Up Valve Solenoid LSD Short to Ground...111
523414.18 - Boom Up Valve Solenoid LSD Short to Power...111
523489.03 - Engine Light Short to Power...111
523489.05 - Engine Light Open Circuit...111
523489.06 - Engine Light Short to Ground...111
523577.03 - Secondary Steering Pump Short to Power...111
523577.05 - Secondary Steering Pump Open Circuit...111
523577.06 - Secondary Steering Pump High Current...111
523597.03 - Seat Belt Minder Light Short to Power...111
523597.06 - Seat Belt Minder Light Short to Ground...111
523689.04 - Differential Lock Switch Short to Ground...111
523767.04 - Joystick Steering Activation Switch Short to Ground...111
523767.10 - Joystick Steering Enable Switch Button Stuck...111
523786.03 - Boom Position Sensor Short to Power...111
523786.04 - Boom Position Short to Ground/Open...111
523786.07 - Boom Position Sensor Out of Mechanical Range...111
523786.12 - Boom Position Sensor Faulted...111
523786.13 - Boom Position Sensor Out of Calibration...111
523795.03 - Joystick Steering Valve (JSV) Power Short to Power...111
523795.05 - Joystick Steering Valve (JSV) Power Open or Shorted...111
523795.06 - Joystick Steering Valve (JSV) High Current...111
523837.01 - Brake Pressure Low—Rear...111
523837.03 - Rear Brake Pressure Sensor Short to Power...111
523837.04 - Rear Brake Pressure Sensor Open or Short...111
523840.01 - Brake Pressure Low—Front...111
523840.03 - Front Brake Pressure Sensor Short to Power...111
523840.04 - Front Brake Pressure Sensor Open or Short...111
523911.03 - Hydraulic Power Management Solenoid High Side Short to Power...111
523911.05 - Hydraulic Power Management Solenoid High Side Open Circuit...111
523911.06 - Hydraulic Power Management Solenoid High Side High Current...111
523911.13 - Hydraulic Power Management System Out of Calibration...111
523911.16 - Hydraulic Power Management Solenoid Low Side High Current...111
523911.18 - Hydraulic Power Management Solenoid Low Side Short to Power...112
523932.03 - Fourth Function Aux Valve A Solenoid HSD Short to Power...112
523932.05 - Fourth Function Aux Valve A Solenoid HSD Open Circuit...112
523932.06 - Fourth Function Aux Valve A Solenoid HSD Short to Ground...112
523932.16 - Fourth Function Aux Valve A Solenoid LSD Short to Ground...112
523932.18 - Fourth Function Aux Valve A Solenoid LSD Short to Power...112
523933.03 - Third Function Aux Valve A Solenoid HSD Short to Power...112
523933.05 - Third Function Aux Valve A Solenoid HSD Open Circuit...112
523933.06 - Third Function Aux Valve A Solenoid HSD Short to Ground...112
523933.16 - Third Function Aux Valve A Solenoid LSD Short to Ground...112
523933.18 - Third Function Aux Valve A Solenoid LSD Short to Power...112
523938.03 - Fourth Function Aux Valve B Solenoid HSD Short to Power...112
523938.05 - Fourth Function Aux Valve B Solenoid HSD Open Circuit...112
523938.06 - Fourth Function Aux Valve B Solenoid HSD Short to Ground...112
523938.16 - Fourth Function Aux Valve B Solenoid LSD Short to Ground...112
523938.18 - Fourth Function Aux Valve B Solenoid LSD Short to Power...112
523939.03 - Third Function Aux Valve B Solenoid HSD Short to Power...112
523939.05 - Third Function Aux Valve B Solenoid HSD Open Circuit...112
523939.06 - Third Function Aux Valve B Solenoid HSD Short to Ground...112
523939.16 - Third Function Aux Valve B Solenoid LSD Short to Ground...112
523939.18 - Third Function Aux Valve B Solenoid LSD Short to Power...112
523948.03 - Ride Control Solenoid Short to Power...112
523948.05 - Ride Control Solenoid Open Circuit...112
523948.06 - Ride Control Solenoid High Current...112
523949.03 - Ride Control Balance Solenoid (Head High) Short to Power...112
523949.05 - Ride Control Balance Solenoid (Head High) Open Circuit...112
523949.06 - Ride Control Balance Solenoid (Head High) Short to Ground...112
523950.03 - Ride Control Balance Solenoid (Accumulator High) Short to Power...112
523950.05 - Ride Control Balance Solenoid (Accumulator High) Open Circuit...112
523950.06 - Ride Control Balance Solenoid (Accumulator High) Short to Ground...112
524044.01 - Axle Oil Filter Restricted...112
524044.03 - Axle Oil Filter Short to Power...112
524250.31 - Inspect Park Brake...112
Group 40: Sealed Switch Module (SSM) Diagnostic Trouble Codes...113
Sealed Switch Module (SM1) Diagnostic Trouble Codes...751
002033.09 - CAN Comm Lost for VCU...113
002634.04 - SSM Ign Relay Short to Ground...113
002634.05 - SSM Ign Relay Open Circuit...113
520752.04 - SSM Button Stuck...113
520752.09 - Lost SSM LED Message...113
520753.04 - SSM Button Stuck...113
520753.09 - Lost SSM LED Message...113
520754.04 - SSM Button Stuck...113
520754.09 - Lost SSM LED Message...113
520755.04 - SSM Button Stuck...113
520755.09 - Lost SSM LED Message...113
521274.09 - LIN Communication Lost With SSM...113
523335.04 - SSM Button Stuck...113
523335.09 - Lost SSM LED Message...113
523336.04 - SSM Button Stuck...113
523336.09 - Lost SSM LED Message...113
523338.04 - SSM Button Stuck...113
523338.09 - Lost SSM LED Message...113
523339.04 - SSM Button Stuck...113
523339.09 - Lost SSM LED Message...113
523340.04 - SSM Button Stuck...113
523340.09 - Lost SSM LED Message...113
523849.04 - SSM Button Stuck...113
523849.09 - Lost A/C LED Message...113
523850.04 - SSM Button Stuck...113
523850.09 - Lost SSM LED Message...113
523852.04 - SSM Button Stuck...113
523852.09 - Lost SSM LED Message...113
523855.04 - SSM Button Stuck...113
523855.09 - Lost SSM LED Message...113
523856.04 - SSM Button Stuck...113
523856.09 - Lost SSM LED Message...114
523857.04 - SSM Button Stuck...114
523857.09 - Lost SSM LED Message...114
523858.04 - SSM Button Stuck...114
523858.09 - Lost SSMLED Message...114
523860.04 - SSM Button Stuck...114
523860.09 - Lost SSM LED Message...114
523861.04 - SSM Button Stuck...114
523861.09 - Lost SSM LED Message...114
523862.04 - SSM Button Stuck...114
523862.09 - Lost SSM LED Message...114
523863.04 - SSM Button Stuck...114
523863.09 - Lost SSM LED Message...114
523864.04 - SSM Button Stuck...114
523864.09 - Lost SSM LED Message...114
523865.04 - SSM Button Stuck...114
523865.09 - Lost SSM LED Message...114
523867.04 - SSM Button Stuck...114
523867.09 - Lost SSM LED Message...114
523868.04 - SSM Button Stuck...114
523868.09 - Lost SSM LED Message...114
Group 50: Automatic Temperature Control (ATC) Diagnostic Trouble Codes...807
Automatic Temperature Control (ATC) Diagnostic Trouble Codes...807
000170.03 - Blower Inlet Temperature Sensor Circuit Fault...114
000170.04 - Blower Inlet Temperature Sensor Circuit Fault...114
000871.03 - A/C Pressure Sensor Circuit Fault...114
000871.04 - A/C Pressure Sensor Circuit Fault...114
000876.03 - A/C Compressor Clutch Circuit Fault...114
000876.04 - A/C Compressor Clutch Circuit Fault...114
000876.05 - A/C Compressor Clutch Circuit Fault...114
001546.03 - Temperature Actuator Circuit Fault...114
001546.04 - Temperature Actuator Circuit Fault...114
001546.07 - Temperature Actuator Circuit Fault...114
001547.03 - A/C Freeze Temperature Sensor Circuit Fault...115
001547.04 - A/C Freeze Temperature Sensor Circuit Fault...115
516939.00 - Overvoltage...115
516939.03 - ATC Actuator Reference Voltage...115
516939.04 - ATC Actuator Reference Voltage...115
523646.03 - Blower Outlet Temperature Sensor Circuit Fault...115
523646.04 - Blower Outlet Temperature Sensor Circuit Fault...115
523672.03 - Precleaner Motor Circuit Fault...115
523672.04 - Precleaner Motor Circuit Fault...115
523672.05 - Precleaner Motor Circuit Fault...115
524203.03 - Ambient Air Temperature Sensor Short to Power...115
524203.04 - Ambient Air Temperature Sensor Short to Ground...115
Group 60: Heated/Ventilated Seat (HVS) Diagnostic Trouble Codes...850
Heated/Ventilated Seat (HVS) Diagnostic Trouble Codes...850
517377.12 - Temperature Sensor Circuit Fault...115
517378.12 - Heating Element Short to Power...115
517587.12 - Power Circuit Fault...115
521274.09 - LIN Network...115
Group 70: Right Joystick 1 (RJ1) Diagnostic Trouble Codes...860
Right Joystick 1 (RJ1) Diagnostic Trouble Codes...860
000158.03 - High Battery Voltage...115
000158.04 - Low Battery Voltage...115
000167.16 - Alternator Voltage High...115
000167.18 - Alternator Voltage Low...115
000168.16 - Battery Voltage High...115
000237.02 - Vehicle Identification Fault...115
000237.13 - Vehicle Identification Fault...115
000237.31 - Vehicle Identification Fault...115
000639.12 - VCU CAN 1 Failure...115
000639.14 - VCU CAN 1 Bus Off...115
000924.03 - Auxiliary Electrical Output Short to Power...115
000924.05 - Auxiliary Electrical Output Open Circuit...115
000924.06 - Auxiliary Electrical Output Short to Ground...115
000924.16 - Auxiliary Electrical Output Excess Current Draw...116
001231.12 - VCU CAN 2 Failure...116
001231.14 - VCU CAN 2 Bus Off...116
001235.12 - VCU CAN 3 Failure...116
001235.14 - VCU CAN 3 Bus Off...116
002033.09 - CAN Communication Lost With VCU...116
Section 9005: Operational Checkout Procedure...1040
Group 10: Operational Checkout Procedure...1040
Operational Checkout...1093
Section 9010: Engine...1145
Group 05: Theory of Operation...1145
John Deere Engine...1147
Automatic Idle and Automatic Shutdown Theory of Operation...1148
Group 10: System Diagrams...1145
Engine Cooling System Component Location...1150
Engine Fuel System Component Location...1151
Engine Intake and Exhaust Component Location...1153
Group 25: Tests...1145
Fluid Sampling Procedure—If Equipped...1159
Auto Idle, Standby Idle, and Auto-Shutdown Check...1164
Engine Auto Idle Speed Adjustment...1167
Engine Low Idle Speed Adjustment...1168
Section 9015: Electrical System...1169
Group 05: Theory of Operation...1169
Start and Charge Circuit Theory of Operation...1181
Controller Area Network (CAN) Circuit Theory of Operation...1187
Local Interconnect Network (LIN) Circuit Theory of Operation...1193
Engine Control Unit (ECU) Circuit Theory of Operation...1195
Exhaust Aftertreatment Circuit Theory of Operation...1199
Ambient Air Temperature Sensor Circuit Theory of Operation...1206
Automatic and Manual Differential Lock Circuit Theory of Operation...1207
Axle Filter Restriction Circuit Theory of Operation...1211
Axle Temperature Sensors Circuit Theory of Operation...1213
Beacon Light Circuit Theory of Operation...1215
Brake Lights Circuit Theory of Operation...1217
Service Brake Circuit Theory of Operation...1219
Electrohydraulic (EH) Auxiliary Control Circuit Theory of Operation...1221
Electrohydraulic (EH) Control Valve Circuit Theory of Operation...1223
Forward, Neutral, and Reverse (FNR) Selection Circuit Theory of Operation...1227
Fuel Sender Circuit Theory of Operation...1231
Front/Rear Wipers and Washer Pumps Circuit Theory of Operation...1232
Heated Mirrors Circuit Theory of Operation...1236
Horn Circuit Theory of Operation...1238
Hydraulic Fan Drive Control Circuit Theory of Operation...1239
Hydraulic Oil Filter Restriction Circuit Theory of Operation...1244
Hydraulic Oil Temperature Circuit Theory of Operation...1246
Hydraulic Pilot Enable Circuit Theory of Operation...1248
Hydraulic Power Management (HPM) Circuit Theory of Operation...1250
Load Counter Circuit Theory of Operation...1252
Lighting Circuit Theory of Operation...1254
Multi-Function Button Control Circuit Theory of Operation...1258
Park Brake Control Circuit Theory of Operation...1260
Pin Disconnect Circuit Theory of Operation...1264
Ride Control Circuit Theory of Operation...1266
Seat Belt Minder Circuit Theory of Operation...1269
Secondary Steering Circuit Theory of Operation...1271
Turn Signals Circuit Theory of Operation...1273
Joystick Steering Circuit Theory of Operation...1276
Vehicle Control Unit (VCU) Circuit Theory of Operation...1280
Operator Interface Controller (OIC) Circuit Theory of Operation...1286
Transmission Control Unit (TCU) Circuit Theory of Operation...1290
Primary Display Unit (PDU) Circuit Theory of Operation...1295
Radar Object Detection (ROD) Circuit Theory of Operation...1298
Tire Pressure Monitoring System (TPMS) Circuit Theory of Operation...1301
Group 10: System Diagrams...1170
Electrical Diagram Information...1308
Electrical Schematic Symbols...1312
Fuse and Relay Specifications...1315
System Functional Schematic, Component Location, and Wiring Diagram Master Legend...1319
System Functional Schematic...1326
Power and Ground Cables (W1) Component Location...1332
Loader Frame Harness (W2) Component Location...1334
Loader Frame Harness (W2) Wiring Diagram...1336
Load Center Harness (W3) Component Location...1339
Load Center Harness (W3) Wiring Diagram...1341
Front Console Harness (W4) Component Location...1348
Front Console Harness (W4) Wiring Diagram...1350
Engine Frame Harness (W5) Component Location...1351
Engine Frame Harness (W5) Wiring Diagram...1353
Engine Harness (W6) Component Location...1355
Engine Harness (W6) Wiring Diagram...1357
Loader Frame Jumper Harness (W7) Component Location...1360
Loader Frame Jumper Harness (W7) Wiring Diagram...1361
Return-to-Dig (RTD) Harness (W8) Component Location...1362
Return-to-Dig (RTD) Harness (W8) Wiring Diagram...1363
Transmission Harness (W10) Component Location...1364
Transmission Harness (W10) Wiring Diagram...1366
Transmission Jumper Harness (W11) Component Location...1367
Transmission Jumper Harness (W11) Wiring Diagram...1368
Rear Frame Harness (W13) Component Location...1370
Rear Frame Harness (W13) Wiring Diagram...1372
Baffle Harness (W14) Component Location...1373
Baffle Harness (W14) Wiring Diagram...1375
Backup Alarm Jumper Harness (W15) Component Location...1378
Backup Alarm Jumper Harness (W15) Wiring Diagram...1379
Secondary Steering Harness (W17) Component Location...1380
Secondary Steering Harness (W17) Wiring Diagram...1381
Alternator Excitation Jumper Harness (W18) Component Location...1383
Alternator Excitation Jumper Harness (W18) Wiring Diagram...1384
Cab Roof Harness (W19) Component Location...1385
Cab Roof Harness (W19) Wiring Diagram...1386
Heater and Air Conditioner Harness (W20) Component Location...1388
Heater and Air Conditioner Harness (W20) Wiring Diagram...1389
Radar Object Detection (ROD) Harness (W21) Component Location...1390
Radar Object Detection (ROD) Harness (W21) Wiring Diagram...1391
Camera Jumper Harness (W22) Component Location...1392
Camera Jumper Harness (W22) Wiring Diagram...1393
Seat Belt Minder Jumper Harness (W23) Component Location...1394
Seat Belt Minder Jumper Harness (W23) Wiring Diagram...1395
Headliner Harness (W24) Component Location...1396
Headliner Harness (W24) Wiring Diagram...1399
Dedicated Display Jumper Harness (W25) Component Location...1401
Dedicated Display Jumper Harness (W25) Wiring Diagram...1402
Joystick Steering Harness (W27) Component Location...1403
Joystick Steering Harness (W27) Wiring Diagram...1405
Right-Hand Armrest Controls Harness (W28) Component Location...1406
Right-Hand Armrest Controls Harness (W28) Wiring Diagram...1408
Ground Speed Radar (RDR) Harness (W31) Component Location...1410
Ground Speed Radar (RDR) Harness (W31) Wiring Diagram...1411
Tire Pressure Monitoring System (TPMS) Harness (W40) Component Location...1412
Tire Pressure Monitoring System (TPMS) Harness (W40) Wiring Diagram...1413
Auxiliary Radio Input Harness (W41) Component Location...1414
Auxiliary Radio Input Harness (W41) Wiring Diagram...1415
Satellite Radio Harness (W44) Component Location...1416
Satellite Radio Harness (W44) Wiring Diagram...1417
Aftertreatment Harness (W45) Component Location...1418
Aftertreatment Harness (W45) Wiring Diagram...1419
Starter-to-Alternator Harness (W52) Component Location...1420
Starter-to-Alternator Harness (W52) Wiring Diagram...1421
Washer Pumps Jumper Harness (W53) Component Location...1423
Washer Pumps Jumper Harness (W53) Wiring Diagram...1424
Reversing Fan Jumper Harness (W55) Component Location...1425
Reversing Fan Jumper Harness (W55) Wiring Diagram...1426
Satellite (SAT) Harness (W6003) Component Location...1427
Group 15: Diagnostic Information...1172
Service ADVISOR™ Diagnostic Application...1429
Service ADVISOR™ Connection Procedure...1430
Service ADVISOR™ Controller Connectivity Check...1433
Using Service ADVISOR™ Remote...1438
Reading Diagnostic Trouble Codes With Service ADVISOR™ Diagnostic Application...1441
Intermittent Diagnostic Trouble Code (DTC) Diagnostics...1443
Diagnostic Trouble Codes—After Machine Repair...1444
Electrical Component Specifications...1445
Group 16: Monitor Operation...1172
Primary Display Unit (PDU)—Service Mode...1452
Main Menu—Display Settings—Menu Access Mode...1454
Main Menu—Diagnostics—Codes—Clear Codes...1455
Main Menu—Diagnostics—OBD Tool...1456
Main Menu—Diagnostics—OBD Tool—Automatic Temperature Control (ATC)...1458
Main Menu—Diagnostics—OBD Tool—Heated Ventilated Seat (HVS)...1464
Main Menu—Diagnostics—OBD Tool—Right Joystick #1 (RJ1)...1466
Main Menu—Diagnostics—OBD Tool—Rotary Switch Module (RSM)...1470
Main Menu—Diagnostics—OBD Tool—Vehicle Control Unit (VCU)...1472
Main Menu—Diagnostics—OBD Tool—Vehicle Control Unit #2 (VC2)...1491
Main Menu—Diagnostics—OBD Tool—JDLink™ (JDL)...1493
Main Menu—Diagnostics—OBD Tool—Primary Display Unit (PDU)...1495
Main Menu—Machine Fan—Commanded Fan Speed...1497
Main Menu—Machine Setup—Drivetrain Settings—Reset Settings...1498
Main Menu—Machine Setup—Electrohydraulic Settings—Reset Settings...1499
Main Menu—Machine Setup—Machine Configuration—Demo Mode...1500
Main Menu—Machine Setup—Machine Configuration—Demo Mode Save Settings...1501
Main Menu—Machine Setup—Machine Configuration—Auto Idle...1502
Main Menu—Machine Setup—Machine Configuration—Auto Shut Down...1503
Main Menu—Machine Setup—Machine Configuration—Low Idle Adjustment...1504
Main Menu—Machine Setup—Machine Configuration—Reset Settings...1505
Main Menu—Machine Setup—Machine Configuration—Tire Size...1506
Main Menu—Machine Setup—Operator Interface/Cab Settings—Reset Settings...1507
Main Menu—Machine Setup—Performance Settings—Reset Settings...1508
Main Menu—TPMS—Learn All Tires...1509
Main Menu—TPMS—Cold Inflation Pressure Setup...1510
Main Menu—TPMS—Alarm Setup...1511
Main Menu—TPMS—Delete Sensors...1512
Group 17: Diagnostic Test Box...1173
Setup and Functional Test...1522
Two Wire Sensor Circuit Check—Out of Range High...1531
Two Wire Sensor Circuit Check—Out of Range Low...1533
Three Wire Sensor Circuit Check—Out of Range High...1535
Three Wire Sensor Circuit Check—Out of Range Low...1537
Group 20: Adjustments...1173
Boom Height Kickout (BHKO) Adjustment...1541
Return-to-Carry (RTC) Adjustment...1543
Return-to-Dig (RTD) Adjustment...1545
Boom Height Kickout/Return-to-Carry (BHKO/RTC) Position Sensor Calibration...1546
Group 25: Tests...1173
Controller Area Network (CAN) Circuit Test...1554
Alternator Test...1560
Accelerator Pedal Sensor Test...1564
Hydraulic Pressure Sensor Test...1566
Transmission Clutch Control Valve Solenoid Check...1568
Connector Terminal Test...1570
Section 9020: Power Train...1573
Group 05: Theory of Operation...1573
TeamMate™ Axles...1577
Power Train Operation...1578
Standard Torque Converter Operation...1580
Torque Converter With Lockup Clutch Operation...1582
Transmission Operation...1584
Transmission Operation—First Gear Forward...1585
Transmission Clutch Pack Engagement and Solenoids Activated...1589
Transmission Filter Bypass Valve Operation...1591
Clutch Pack Operation...1593
Transmission Hydraulic System...1595
Transmission Control Valve Component Operation...1596
Transmission Clutch Modulation Operation...1600
Thermal Bypass Valve Operation...1601
Standard Differential Operation...1603
Differential Lock Operation...1604
Axle Circulation Dual Pump Operation...1605
Park Brake Operation...1606
Group 10: System Diagrams...1573
Transmission System Schematic—First Forward...1610
Power Train Component Location...1612
Power Train Cooling System Component Location...1613
Transmission Component Location...1615
Group 15: Diagnostic Information...1573
Transmission Clutch Slippage...1573
Machine Will Not Move in Either Direction...1573
Machine Will Not Shift Correctly...1573
Transmission System Pressure is Low in Neutral...1573
Transmission Pressure is Low (One or Two Gear Ranges)...1573
Transmission Shifts Too Slow...1573
Transmission Shifts Too Fast...1573
Machine Creeps in Neutral...1574
Transmission Hydraulic System Overheats...1574
Transmission Excessive Noise...1574
Oil Aerated...1574
Oil Ejected from Filler Tube...1574
Machine Vibrates...1574
Machine Power and Acceleration Low...1574
Torque Converter Stall RPM...1574
Differential Lock Will Not Engage...1574
Differential Lock Slips and Chatters...1574
Differential Lock Will Not Disengage...1574
Differential Oil Level Rises...1574
Differential Oil Level Low...1574
Differential and Axle Noise Excessive...1574
Axle Wheel Hub Face Seal Leaking...1574
Axle Overheats...1574
Service Brakes Poor or Do Not Apply...1574
Service Brakes Aggressive...1574
Service Brakes Dragging...1574
Service Brakes Lock Up...1574
Service Brakes Chatter...1574
Service Brake Warning Light On...1574
Driveline Excessive Vibration or Noise...1574
Park Brake Will Not Hold...1574
Park Brake Will Not Release...1713
Park Brake Overheats...1574
Park Brake Light Flashes When Shifting From Forward to Reverse...1574
Park Brake Light Flashes During Each Shift...1574
Park Brake Light Does Not Come On...1574
Park Brake Will Not Apply...1574
Group 20: Adjustments...1574
Service Brake Bleeding Procedure...1730
External Service Brake Inspection...1732
Transmission Speed Sensor Adjustment...1735
Transmission Control Unit (TCU)—Electronic Clutch Calibration...1738
Group 25: Tests...1575
Transmission Oil Warm-Up Procedure...1741
Park Brake Pressure Test...1742
Park Brake Drag Test...1745
Transmission Pump Flow Test...1748
Transmission System Pressure Test...1750
Transmission Clutch Pressure Test...1753
Transmission Element Leakage Test...1756
Transmission Lube Pressure Test...1759
Torque Converter (in pressure) Test...1761
Torque Converter (out pressure) Test...1763
Torque Converter Relief Pressure Test...1766
Torque Converter (out flow) Test...1769
Torque Converter Stall Speed Test...1772
Lockup Torque Converter (LUTC) Pressure Test...1775
Transmission Oil Cooler Thermal Bypass Valve Temperature Test...1779
Transmission Oil Cooler Thermal Bypass Valve Pressure Test...1782
Transmission Oil Cooler Restriction Test...1785
Axle Circulation Pump Flow Test...1788
Axle Breather Test...1790
Axle Oil Cooler Restriction Test...1792
Differential Lock Pressure Test...1795
Section 9025: Hydraulic System...1797
Group 05: Theory of Operation...1797
Loader Hydraulic System Operation...1802
Main Hydraulic Pump Operation...1804
Hydraulic Fan Operation...1806
Hydraulic Reversing Fan Operation...1808
Orbital Steering System Component Operation...1811
Orbital Steering Valve Operation...1812
Joystick Steering Valve Operation...1814
Secondary Steering System Operation...1818
Secondary Steering Valve Operation...1819
Service Brake Hydraulic System Operation...1821
Service Brake Accumulator Operation...1822
Service Brake Valve Operation...1823
Pin Disconnect Operation...1825
Loader Control Valve Operation...1827
Boom Section Operation—Boom Down and Steering...1829
Bucket Section Operation—Boom Raise and Bucket Dump...1831
Auxiliary Section—Operating and Boom Raise...1835
Loader Control Valve—Outlet Section Operation...1839
Load Sense Circuit Operation—Neutral...1841
Load Sense Circuit Operation—Steering...1843
Load Sense Circuit Operation—Steering and Boom Down...1845
Load Sense Circuit Operation—Boom Raise and Bucket Dump...1847
Main Relief Valve Operation...1850
Load Sense Relief Valve Operation...1852
Circuit Relief With Anticavitation Valve Operation...1856
Anticavitation Valve Operation...1856
Hydraulic Return Filter Operation...1857
Ride Control Operation...1861
Group 10: System Diagrams...1797
Hydraulic System Schematic...1868
Steering System Component Location...1872
Hydraulic Cooling Fan System Component Location...1874
Loader System Component Location...1876
Pin Disconnect System Component Location...1878
Ride Control System Component Location...1879
Hydraulic Pump Manifold Component Location...1880
Group 15: Diagnostic Information...1798
No Hydraulic Functions...1798
Hydraulic Functions Slow...1798
Main Hydraulic Pump Noisy...1798
No Orbital Steering Function...1798
Boom Float Function Not Working...1798
One Hydraulic Function Not Working...1798
Hydraulic Function Drifts Down...1798
Boom Down Does Not Work (Engine Off)...1798
Ride Control Not Working...1798
Oil Overheats...1798
Hydraulic Oil Foams...1798
Pin Disconnect Cylinders Will Not Retract...1798
Constant Steering Required to Maintain Straight Travel...1798
Slow Steering Wheel Movement Will Not Cause Frame Movement...1798
Steering Wheel Turns Without Resistance and Causes No Frame Movement...1798
Steering Erratic...1798
Steering Wheel Free Play...1798
Orbital Steering Valve Binds or Locks Up...1798
Steering Wheel Turns by Itself...1798
Machine Turns in Opposite Direction as Steering Wheel...1798
Steering Wheel Kickback...1798
Orbital Steering Jerky...1798
No Joystick Steering Function...1798
Secondary Steering Motor Will Not Operate...1798
Secondary Steering Pump Runs but Will Not Steer Machine...1798
Hydraulic Fan Does Not Reach Full Speed...1798
Hydraulic Fan Runs at Full Speed Only...1798
Hydraulic Fan Does Not Spin...1799
Hydraulic Fan Will Not Reverse Direction...1799
Group 20: Adjustments...1799
Ride Control Accumulator Gas Charge Procedure...1982
Ride Control Accumulator Draining Procedure...1985
Group 25: Tests...1799
Hydraulic Oil Sampling Procedure...1988
Hydraulic Oil Warm-Up Procedure...1989
Vacuum Pump Installation...1991
Hydraulic System Pressure and Accumulators Discharge...1993
JT02156A Digital Pressure and Temperature Analyzer Kit Installation...1995
Hydraulic System Operating and Standby Pressure Test...1996
Main Hydraulic Pump Control Valve Test and Adjustment...1999
Load Sense Relief Valve Pressure Test and Adjustment...2005
Main Relief Valve Pressure Test...2009
Circuit Relief With Anticavitation Valve Pressure Test...2015
Loader Cylinder Drift Test...2019
Boom, Bucket, and Steering Cylinder Leakage Test...2022
Secondary Steering Pump Pressure Relief Valve Test...2025
Secondary Steering Valve—Secondary Steering Pump Isolation Shuttle Valve Leakage Test—If Equipped...2029
Pilot Pressure Reducing Valve Pressure Test...2032
Cycle Time Test...2035
Service Brake Accumulator Gas Precharge and Low Brake Pressure Warning Test...2036
Service Brake Valve Pressure Test...2041
Service Brake Valve Leakage Test...2045
Pin Disconnect Pressure Test...2049
Hydraulic Fan Pump Pressure Test...2053
Section 9031: Heating and Air Conditioning...2057
Group 05: Theory of Operation...2057
Air Conditioning System Cycle of Operation...2060
Group 10: System Diagrams...2057
Air Conditioner and Heater Component Location...2064
Group 15: Diagnostic Information...2057
Air Conditioning System Does Not Operate...2057
Air Conditioning System Does Not Cool Interior of Cab...2057
Air Conditioning System Runs Constantly, Too Cold...2057
Heating System Does Not Operate...2057
Heating System Does Not Warm Interior of Cab...2057
Interior Windows Continue to Fog...2057
Group 25: Tests...2057
R134a Refrigerant Cautions and Proper Handling...2090
R134a Oil Charge Capacity...2091
R134a Refrigerant Charge Capacity...2092
Heater and Air Conditioner Operational Checks...2093
Air Conditioner Compressor Clutch Test...2097
R134a Refrigerant Leak Test...2098
R134a Refrigerant Hoses and Tubing Inspection...2099
Air Conditioner High/Low-Pressure Switch Test...2100
Air Conditioner Freeze Control Switch Test...2101
Air Conditioning System Test...2102
Operating Pressure Diagnostic Chart...2105
John Deere 644L 4WD Loader Diagnosis and Repair Service Manual (TM14409X19)
