John Deere 644L Hybrid 4WD Loader (PIN 1DW644L_ __F705243— ) Diagnosis and Repair Service Manual (TM14410X19)
Complete All Inclusive Technical Manual with electrical wiring diagrams for John Deere 644L Hybrid 4WD Loader (PIN 1DW644L_ __F705243— ), with workshop information to maintain, diagnose, repair, and rebuild like professional mechanics (Diagnosis, Operation, Tests, Repair, Service, Troubleshooting).
John Deere 644L Hybrid 4WD Loader (PIN 1DW644L_ __F705243— ) 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.
tm14410x19 - 644L Hybrid 4WD Loader (PIN 1DW644L_ __F705243— ) Technical Manual.epub
tm14410x19 - 644L Hybrid 4WD Loader (PIN 1DW644L_ __F705243— ) Technical Manual.pdf
PRODUCT DETAILS:
Total Pages: 2,400 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...47
Group 01: Safety...47
Information for European Union Directives and Eurasian Economic Union Technical Regulations Compliance...53
Recognize Safety Information...57
Follow Safety Instructions...58
Operate Only If Qualified...59
Wear Protective Equipment...60
Avoid Unauthorized Machine Modifications...61
Inspect Machine...62
Stay Clear of Moving Parts...63
Avoid High-Pressure Fluids...64
Avoid High-Pressure Oils...65
Work In Ventilated Area...66
Prevent Fires...67
High Debris Applications...68
Prevent Battery Explosions...69
Handle Chemical Products Safely...70
Decommissioning — Proper Recycling and Disposal of Fluids and Components...71
Exhaust Filter Ash Handling and Disposal...72
Prepare for Emergencies...73
Add Cab Guarding for Special Uses...74
Use Steps and Handholds Correctly...75
Start Only From Operator's Seat...76
Use and Maintain Seat Belt...77
Prevent Unintended Machine Movement...78
Avoid Work Site Hazards...80
Use Special Care When Operating Loader...82
Keep Riders Off Machine...83
Avoid Backover Accidents...84
Avoid Machine Tip Over...85
Operating on Slopes...87
Operating or Traveling On Public Roads...88
Inspect and Maintain ROPS...89
Add and Operate Attachments Safely...90
Park and Prepare for Service Safely...91
Prepare Electric Drive System for Service Safely...92
Avoid Pressure Washing Electric Drive Components...93
Clean Exhaust Filter Safely...95
Service Cooling System Safely...98
Service Tires Safely...99
Remove Paint Before Welding or Heating...100
Make Welding Repairs Safely...101
Drive Metal Pins Safely...102
Section 9001: Diagnostic Trouble Codes (DTCs)...103
Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes...131
Engine Control Unit (ECU) Diagnostic Trouble Codes...131
000091.03 - Engine Throttle Short to Power...103
000091.04 - Engine Throttle Open or Short...103
000237.02 - Vehicle Identification Conflict...103
000237.13 - Vehicle Identification Fault...103
000237.31 - Communication Fault...103
001321.06 - Starter Relay High Current...103
001321.16 - Too Long to Start...103
001761.01 - Diesel Exhaust Fluid is Extremely Low...103
001761.18 - Diesel Exhaust Fluid is Very Low...103
002003.09 - Controller Area Network (CAN) Communication Lost for Transmission Control Unit (TCU)...103
002033.09 - Controller Area Network (CAN) Communication Lost for Vehicle Control Unit (VCU)...103
003031.12 - Diesel Exhaust Fluid Temperature Sensor Fault...103
003353.31 - Alternator Output Fault...103
003516.01 - Diesel Exhaust Fluid Concentration Extremely Low...103
003516.07 - Diesel Exhaust Fluid Concentration Invalid...103
003516.09 - Diesel Exhaust Fluid Tank Header Communication Fault...103
003516.12 - Diesel Exhaust Fluid Concentration Sensor Fault...103
003517.12 - Diesel Exhaust Fluid Tank Level Sensor Fault...103
004366.05 - DEF Tank Heater Coolant Control Valve Circuit Has High Resistance...103
004366.06 - DEF Tank Heater Coolant Control Valve Circuit Has Low Resistance...103
004366.16 - DEF Tank Temperature Moderately High...103
004366.18 - DEF Tank Insufficient Heating Fault...103
516434.01 - Emergency Override Usage Time Expired...103
516434.14 - Emergency Override Enabled and Deactivated...103
516434.31 - Emergency Override Enabled and Active...103
516435.14 - Emergency Override Enabled Time Expired...103
Group 20: Transmission Control Unit (TCU) Diagnostic Trouble Codes...167
Transmission Control Unit (TCU) Diagnostic Trouble Codes...167
000158.03 - Switched Power Voltage HIgh...103
000158.04 - Switched Power Voltage Low...104
000167.16 - Alternator Voltage High...104
000167.18 - Alternator Voltage Low...104
000168.16 - Battery Voltage High...104
000177.00 - Trans Oil Temp Overtemp...104
000177.04 - Trans Oil Temp Short to Ground...104
000177.15 - Trans Oil Temp High Temp...104
000177.16 - Trans Oil Temp High Temp...104
000190.00 - Engine Speed Too High...104
000237.02 - VIN Mismatch...104
000237.13 - VIN Options Not Learned...104
000237.31 - VIN Null or Missing...104
000544.02 - Ref Torque Invalid...104
002000.09 - CAN Comm Lost for ECU...104
002033.09 - CAN Comm Lost for VCU...104
002040.09 - CAN Comm Lost for PDU...104
002141.09 - CAN Comm Lost for SSM...104
002160.09 - CAN Comm Lost for GN1...104
002162.09 - CAN Comm Lost for MT1...104
520351.00 - GN1 IGBT Temp Overtemp...104
520351.15 - GN1 IGBT High Temp...104
520351.16 - GN1 IGBT High Temp...104
520505.16 - Motor Speed Too High...104
521041.00 - GN1 Winding Overtemp...104
521041.15 - GN1 Winding Temp High Temp...104
521041.16 - GN1 Winding Temp High Temp...104
521043.00 - Brake Res Temp Overtemp...104
521043.15 - Brake Res Temp High Temp...104
521043.16 - Brake Res Temp High Temp...104
521839.01 - DC Bus 0 Isolation Loss...104
521839.09 - DC Bus 0 Isolation Failure...104
521839.18 - DC Bus 0 Isolation Loss...104
521932.00 - MT1 IGBT Temp Overtemp...104
521932.15 - MT1 IGBT Temp High Temp...105
521932.16 - MT1 IGBT Temp High Temp...105
522000.02 - Invalid MT1 Software Rev...105
522252.02 - CL1 Hold Time Invalid...105
522252.16 - CL1 Hold Time Excessive...105
522252.18 - CL1 Hold Time Too Low...105
522253.02 - CL2 Hold Time Invalid...105
522253.16 - CL2 Hold Time Excessive...105
522253.18 - CL2 Hold Time Too Low...105
522254.02 - CL3 Hold Time Invalid...105
522254.16 - CL3 Hold Time Excessive...105
522254.18 - CL3 Hold Time Too Low...105
522327.00 - MT1 Winding Temp Overtemp...105
522327.15 - MT1 Winding Temp High Temp...105
522327.16 - MT1 Winding Temp High Temp...105
522364.00 - Clutch Cal High Speed...105
522364.01 - Clutch Cal Low Speed...105
522364.13 - Clutch Cal Required...105
522375.00 - Transmission Oil Filter Restricted...105
522392.02 - Clutch H Slippage...105
522392.03 - Clutch H HSD Short to Power...105
522392.05 - Clutch H HSD Open Circuit...105
522392.06 - Clutch H HSD Short to Ground...105
522392.10 - Clutch H Slippage...105
522392.16 - Clutch H LSD Short to Ground...105
522392.18 - Clutch H LSD Short to Power...105
522395.02 - Clutch M Slippage...105
522395.03 - Clutch M HSD Short to Power...105
522395.05 - Clutch M HSD Open Circuit...105
522395.06 - Clutch M HSD Short to Ground...105
522395.10 - Clutch M Slippage...105
522395.16 - Clutch M LSD Short to Ground...105
522395.18 - Clutch M LSD Short to Power...105
522399.02 - Clutch L Slippage...106
522399.03 - Clutch L HSD Short to Power...106
522399.05 - Clutch L HSD Open Circuit...106
522399.06 - Clutch L HSD Short to Ground...106
522399.10 - Clutch L Slippage...106
522399.16 - Clutch L LSD Short to Ground...106
522399.18 - Clutch L LSD Short to Power...106
522401.15 - Output Shaft Overspeed...106
523380.31 - Drivetrain Derate Active...106
523725.02 - Clutch H Fill Time Invalid...106
523725.16 - Clutch H Fill Time Excessive...106
523725.18 - Clutch H Fill Time Too Low...106
523726.02 - Clutch M Fill Time Invalid...106
523726.16 - Clutch M Fill Time Excessive...106
523726.18 - Clutch M Fill Time Too Low...106
523727.02 - Clutch L Fill Time Invalid...106
523727.16 - Clutch L Fill Time Excessive...106
523727.18 - Clutch L Fill Time Too Low...106
523821.02 - Invalid GN1 Software Rev...106
524099.02 - Water Pump Operation Fault...106
524265.19 - Checksum Error...106
524282.00 - Engage Gear High Speed...106
Group 30: Vehicle Control Unit (VCU) Diagnostic Trouble Codes...280
Vehicle Control Unit (VCU) Diagnostic Trouble Codes...280
000075.00 - Front Axle Oil Temp High...106
000075.03 - Front Axle Oil Temp Sensor Short to Power...106
000075.04 - Front Axle Oil Temp Sensor Short to Ground...106
000096.04 - Fuel Level Short to Ground...106
000096.05 - Fuel Level Open or Short...106
000096.10 - Fuel Level Abnormal Rate of Change...106
000158.03 - High Battery Voltage...106
000158.04 - Low Battery Voltage...106
000167.16 - Alternator High Voltage...106
000167.18 - Alternator Low Voltage...107
000168.16 - High Battery Voltage...107
000171.04 - Ambient Air Short to Ground...107
000177.00 - Transmission Oil Overtemp...107
000237.02 - Vehicle Identification Fault...107
000237.13 - Vehicle Identification Fault...107
000237.31 - Vehicle Identification Fault...107
000521.03 - Brake Pedal Position Sensor Short to Power...107
000521.04 - Brake Pedal Position Sensor Short to Ground...107
000521.13 - Brake Pedal Position Sensor Out of Calibration...107
000578.00 - Rear Axle Oil High Temp...107
000578.03 - Rear Axle Oil Temp Sensor Short to Power...107
000578.04 - Rear Axle Oil Temp Sensor Short to Ground...107
000629.12 - VCU Watchdog Time Out...107
000639.12 - VCU CAN 1 Failure...107
000639.14 - VCU CAN 1 Bus Off...107
000746.03 - Diff Lock Sol Short to Power...107
000746.05 - Diff Lock Sol Open Circuit...107
000746.06 - Diff Lock Sol High Current...107
000751.12 - Invalid Column FNR Range Selection...107
000785.03 - Pilot Solenoid Short to Power...107
000785.05 - Pilot Solenoid Open Circuit...107
000785.06 - Pilot Solenoid Short to Ground...107
000880.03 - Brake Lights Short to Power...107
000880.05 - Brake Lights Open Circuit...107
000880.06 - Brake Lights High Current...107
000977.03 - Rev Fan Sol Short to Power...107
000977.05 - Rev Fan Sol Open Circuit...107
000977.06 - Rev Fan Sol High Current...107
001071.03 - Fan Solenoid High Side (HS) Short to Power...107
001071.05 - Fan Solenoid High Side (HS) Open or Short...107
001071.06 - Fan Solenoid High Side (HS) High Current...107
001071.16 - Fan Solenoid Low Side (LS) High Current...107
001071.18 - Fan Solenoid Low Side (LS) Short to Power...108
001231.12 - VCU CAN 2 Failure...108
001231.14 - VCU CAN 2 Bus Off...108
001235.12 - VCU CAN 3 Failure...108
001235.14 - VCU CAN 3 Bus Off...108
001503.03 - Left Armrest Position Short to Power...108
001503.04 - Left Armrest Position Short to Ground...108
001503.11 - Left Armrest Position Undetermined...108
001503.13 - Left Armrest Position Circuit Fault...108
001529.03 - Ride Control Accumulator Pressure Short to Power...108
001529.04 - Ride Control Accumulator Pressure Short to Ground...108
001638.00 - Hydraulic Oil High Temperature...108
001638.03 - Hydraulic Oil Temperature Sensor Short to Power...108
001638.04 - Hydraulic Oil Temperature Sensor Short to Ground...108
001639.07 - Fan Speed Did Not Lower During Reversal...108
001639.08 - Fan Speed Sensor No Signal...108
001713.01 - Hydraulic Oil Filter Restricted...108
001762.03 - Hydraulic Pressure Sensor Short to Power...108
001762.04 - Hydraulic Pressure Sensor Open or Short...108
002000.09 - CAN Comm Lost with ECU...108
002003.09 - CAN Comm Lost with TCU...108
002040.09 - CAN Comm Lost with PDU...108
002052.09 - CAN Comm Lost with JSC...108
002129.09 - CAN Comm Lost with JSV...108
002141.09 - CAN Comm Lost with SSM...108
002169.09 - CAN Comm Lost with RDR...108
002251.09 - CAN Comm Lost with JDLink™...108
002350.03 - Drive Lamps Short to Power...108
002350.05 - Drive Lamps Open or Short...108
002350.06 - Drive Lamps High Current...108
002355.03 - Front Work Lights Short to Power...108
002355.05 - Front Work Lights Open or Short...108
002355.06 - Front Work Lights High Current...108
002356.03 - Front Work Lights Short to Power...109
002356.05 - Front Work Lights Open or Short...109
002356.06 - Front Work Lights High Current...109
002362.03 - Rear Work Lights Short to Power...109
002362.05 - Rear Work Lights Open or Short...109
002362.06 - Rear Work Lights High Current...109
002367.04 - Left Turn Switch Short to Ground...109
002368.03 - Left Turn Lights Short to Power...109
002368.05 - Left Turn Lights Open or Short...109
002368.06 - Left Turn Lights High Current...109
002369.04 - Right Turn Switch Short to Ground...109
002370.03 - Right Turn Lights Short to Power...109
002370.05 - Right Turn Lights Open or Short...109
002370.06 - Right Turn Lights High Current...109
002378.03 - Marker-Tail Lights Short to Power...109
002378.06 - Marker-Tail Lights High Current...109
002386.03 - Beacon Light Short to Power...109
002386.06 - Beacon Light High Current...109
002873.04 - Engine Light Switch Short to Ground...109
002875.04 - Hazard Wakeup Short to Ground...109
003509.04 - VCU Sensor 1 Voltage Low...109
003510.04 - VCU Sensor 2 Voltage Low...109
003511.04 - VCU Sensor 3 Voltage Low...109
003655.04 - Joystick Gear Up Switch Short to Ground...109
003656.04 - Joystick Gear Down Switch Short to Ground...109
004086.03 - LS Pressure Short to Power...109
004086.04 - LS Pressure Short to Ground...109
004952.04 - Seat Belt Switch Short to Ground...109
517290.03 - Brake Valve Pressure Sensor Short to Power...109
517290.04 - Brake Valve Pressure Sensor Short to Ground...109
520537.04 - Multi-Function Button 1 Short to Ground...109
520555.03 - Torque Pedal Short to Power...109
520555.04 - Torque Pedal Short to Ground...109
520652.03 - Bucket Curl Valve Solenoid HSD Short to Power...110
520652.05 - Bucket Curl Valve Solenoid HSD Open Circuit...110
520652.06 - Bucket Curl Valve Solenoid HSD Short to Ground...110
520652.16 - Bucket Curl Valve Solenoid LSD Short to Ground...110
520652.18 - Bucket Curl Valve Solenoid LSD Short to Power...110
520653.03 - Bucket Dump Valve Solenoid HSD Short to Power...110
520653.05 - Bucket Dump Valve Solenoid HSD Open Circuit...110
520653.06 - Bucket Dump Valve Solenoid HSD Short to Ground...110
520653.16 - Bucket Dump Valve Solenoid LSD Short to Ground...110
520653.18 - Bucket Dump Valve Solenoid LSD Short to Power...110
520883.13 - Linkage Position Out of Calibration...110
521948.02 - Invalid Engine Tier Level Specified...110
522125.12 - FNR Variant Type Invalid...110
522191.04 - Gear Shift Switch A1 Short to Ground...110
522192.04 - Gear Shift Switch B1 Short to Ground...110
522193.04 - Gear Shift Switch C1 Short to Ground...110
522286.03 - Ride Control Enable Solenoid #2 Short to Power...110
522286.05 - Ride Control Enable Solenoid #2 Open Circuit...110
522286.06 - Ride Control Enable Solenoid #2 Short to Ground...110
522341.03 - Heated Mirror Short to Power...110
522341.05 - Heated Mirror Open Circuit...110
522341.06 - Heated Mirror High Current...110
522379.03 - Park Brake Sol Short to Power...110
522379.05 - Park Brake Sol Open Circuit...110
522379.06 - Park Brake Sol Short to Ground...110
522382.03 - Backup Alarm Short to Power...110
522382.05 - Backup Alarm Open Circuit...110
522382.06 - Backup Alarm Short to Ground...110
522405.02 - Park Brake Pressure Switch Circuit Invalid...110
522405.04 - Park Brake Pressure Switch Circuit Fault...110
522409.01 - Secondary FNR Invalid Direction Selection...110
522411.05 - 1st FNR Open Circuit...110
522411.12 - 1st FNR Multiple Inputs...110
522426.04 - Rear Wiper Park Short to Ground...111
522427.04 - Front Wiper Park Short to Ground...111
522432.03 - R Wiper Hi-Spd Short to Power...111
522432.05 - R Wiper Hi-Spd Open Circuit...111
522432.06 - R Wiper Hi-Spd High Current...111
522433.03 - R Wiper Lo-Spd Short to Power...111
522433.05 - R Wiper Lo-Spd Open Circuit...111
522433.06 - R Wiper Lo-Spd High Current...111
522434.03 - F Wiper Lo-Spd Short to Power...111
522434.05 - F Wiper Lo-Spd Open Circuit...111
522434.06 - F Wiper Lo-Spd High Current...111
522435.03 - F Wiper Hi-Spd Short to Power...111
522435.05 - F Wiper Hi-Spd Open Circuit...111
522435.06 - F Wiper Hi-Spd High Current...111
522436.03 - Bucket Position Short to Power...111
522436.04 - Bucket Position Open or Short...111
522436.07 - Bucket Position Sensor Out of Mechanical Range...111
522436.12 - Bucket Position Sensor Faulted...111
522436.13 - Bucket Position Sensor Out of Calibration...111
522438.03 - Pin Disconnect Solenoid Short to Power...111
522438.05 - Pin Disconnect Solenoid Open Circuit...111
522438.06 - Pin Disconnect Solenoid High Current...111
522544.03 - Boom Cylinder Head Pressure Sensor Open or Short...111
522544.04 - Boom Cylinder Head Pressure Sensor Short to Ground...111
522620.03 - Vehicle Horn Short to Power...111
522620.05 - Vehicle Horn Open Circuit...111
522620.06 - Vehicle Horn High Current...111
522796.03 - Rear Washer Pump Short to Power...111
522796.05 - Rear Washer Pump Open Circuit...111
522796.06 - Rear Washer Pump High Current...111
522797.03 - Front Washer Pump Short to Power...111
522797.05 - Front Washer Pump Open Circuit...111
522797.06 - Front Washer Pump High Current...111
523137.01 - Steering System Pressure Low...112
523137.03 - Steering Pressure Sensor Short to Power...112
523137.04 - Steering Pressure Sensor Short to Ground...112
523137.12 - Steering Pressure Sensor Invalid...112
523411.03 - Boom Down Valve Solenoid HSD Short to Power...112
523411.05 - Boom Down Valve Solenoid HSD Open Circuit...112
523411.06 - Boom Down Valve Solenoid HSD Short to Ground...112
523411.16 - Boom Down Valve Solenoid LSD Short to Ground...112
523411.18 - Boom Down Valve Solenoid LSD Short to Power...112
523414.03 - Boom Up Valve Solenoid HSD Short to Power...112
523414.05 - Boom Up Valve Solenoid HSD Open Circuit...112
523414.06 - Boom Up Valve Solenoid HSD Short to Ground...112
523414.13 - Electro Hydraulic System Out of Calibration...112
523414.16 - Boom Up Valve Solenoid LSD Short to Ground...112
523414.18 - Boom Up Valve Solenoid LSD Short to Power...112
523489.03 - Engine Light Short to Power...112
523489.05 - Engine Light Open Circuit...112
523489.06 - Engine Light Short to Ground...112
523597.03 - Seat Belt Minder Light Short to Power...112
523597.06 - Seat Belt Minder Light Short to Ground...112
523689.04 - Differential Lock Switch Short to Ground...112
523767.04 - Joystick Steering Activation Switch Short to Ground...112
523767.10 - Joystick Steering Activation Switch Button Stuck...112
523786.03 - Boom Position Sensor Short to Power...112
523786.04 - Boom Position Short to Ground/Open...112
523786.07 - Boom Position Sensor Out of Mechanical Range...112
523786.12 - Boom Position Sensor Faulted...112
523786.13 - Boom Position Sensor Out of Calibration...112
523795.03 - Joystick Steering Valve (JSV) Power Short to Power...112
523795.05 - Joystick Steering Valve (JSV) Power Open or Shorted...112
523795.06 - Joystick Steering Valve (JSV) High Current...112
523837.01 - Brake Pressure Low - Rear...112
523837.03 - Rear Brake Pressure Sensor Short to Power...112
523837.04 - Rear Brake Pressure Sensor Open or Short...113
523840.01 - Brake Pressure Low - Front...113
523840.03 - Front Brake Pressure Sensor Short to Power...113
523840.04 - Front Brake Pressure Sensor Open or Short...113
523911.03 - Hydraulic Power Management Solenoid High Side Short to Power...113
523911.05 - Hydraulic Power Management Solenoid High Side Open Circuit...113
523911.06 - Hydraulic Power Management Solenoid High Side High Current...113
523911.13 - Hydraulic Power Management System Out of Calibration...113
523911.16 - Hydraulic Power Management Solenoid Low Side High Current...113
523911.18 - Hydraulic Power Management Solenoid Low Side Short to Power...113
523932.03 - Fourth Function Aux Valve A Solenoid HSD Short to Power...113
523932.05 - Fourth Function Aux Valve A Solenoid HSD Open Circuit...113
523932.06 - Fourth Function Aux Valve A Solenoid HSD Short to Ground...113
523932.16 - Fourth Function Aux Valve A Solenoid LSD Short to Ground...113
523932.18 - Fourth Function Aux Valve A Solenoid LSD Short to Power...113
523933.03 - Third Function Aux Valve A Solenoid HSD Short to Power...113
523933.05 - Third Function Aux Valve A Solenoid HSD Open Circuit...113
523933.06 - Third Function Aux Valve A Solenoid HSD Short to Ground...113
523933.16 - Third Function Aux Valve A Solenoid LSD Short to Ground...113
523933.18 - Third Function Aux Valve A Solenoid LSD Short to Power...113
523938.03 - Fourth Function Aux Valve B Solenoid HSD Short to Power...113
523938.05 - Fourth Function Aux Valve B Solenoid HSD Open Circuit...113
523938.06 - Fourth Function Aux Valve B Solenoid HSD Short to Ground...113
523938.16 - Fourth Function Aux Valve B Solenoid LSD Short to Ground...113
523938.18 - Fourth Function Aux Valve B Solenoid LSD Short to Power...113
523939.03 - Third Function Aux Valve B Solenoid HSD Short to Power...113
523939.05 - Third Function Aux Valve B Solenoid HSD Open Circuit...113
523939.06 - Third Function Aux Valve B Solenoid HSD Short to Ground...113
523939.16 - Third Function Aux Valve B Solenoid LSD Short to Ground...113
523939.18 - Third Function Aux Valve B Solenoid LSD Short to Power...113
523948.03 - Ride Control Solenoid Short to Power...113
523948.05 - Ride Control Solenoid Open Circuit...113
523948.06 - Ride Control Solenoid High Current...113
523949.03 - Ride Control Balance Solenoid (Head High) Short to Power...114
523949.05 - Ride Control Balance Solenoid (Head High) Open Circuit...114
523949.06 - Ride Control Balance Solenoid (Head High) Short to Ground...114
523950.03 - Ride Control Balance Solenoid (Accumulator High) Short to Power...114
523950.05 - Ride Control Balance Solenoid (Accumulator High) Open Circuit...114
523950.06 - Ride Control Balance Solenoid (Accumulator High) Short to Ground...114
524044.01 - Axle Oil Filter Restricted...114
524044.03 - Axle Oil Filter Short to Power...114
524250.31 - Inspect Park Brake...114
524265.19 - EOL Configuration Invalid...114
Group 40: Sealed Switch Module (SM1) Diagnostic Trouble Codes...743
Sealed Switch Module (SM1) Diagnostic Trouble Codes...743
002033.09 - CAN Comm Lost for VCU...114
002634.04 - SSM Ign Relay Short to Ground...114
002634.05 - SSM Ign Relay Open Circuit...114
520752.04 - SSM Button Stuck...114
520752.09 - Lost SSM LED Message...114
520753.04 - SSM Button Stuck...114
520753.09 - Lost SSM LED Message...114
520754.04 - SSM Button Stuck...114
520754.09 - Lost SSM LED Message...114
520755.04 - SSM Button Stuck...114
520755.09 - Lost SSM LED Message...114
521274.09 - LIN Communication Lost With SSM...114
523335.04 - SSM Button Stuck...114
523335.09 - Lost SSM LED Message...114
523336.04 - SSM Button Stuck...114
523336.09 - Lost SSM LED Message...114
523338.04 - SSM Button Stuck...114
523338.09 - Lost SSM LED Message...114
523339.04 - SSM Button Stuck...114
523339.09 - Lost SSM LED Message...114
523340.04 - SSM Button Stuck...114
523340.09 - Lost SSM LED Message...115
523849.04 - SSM Button Stuck...115
523849.09 - Lost SSM LED Message...115
523850.04 - SSM Button Stuck...115
523850.09 - Lost SSM LED Message...115
523852.04 - SSM Button Stuck...115
523852.09 - Lost SSM LED Message...115
523854.04 - SSM Button Stuck...115
523854.09 - Lost SSM LED Message...115
523855.04 - SSM Button Stuck...115
523855.09 - Lost SSM LED Message...115
523856.04 - SSM Button Stuck...115
523856.09 - Lost SSM LED Message...115
523857.04 - SSM Button Stuck...115
523857.09 - Lost SSM LED Message...115
523858.04 - SSM Button Stuck...115
523858.09 - Lost SSM LED Message...115
523860.04 - SSM Button Stuck...115
523860.09 - Lost SSM LED Message...115
523861.04 - SSM Button Stuck...115
523861.09 - Lost SSM LED Message...115
523862.04 - SSM Button Stuck...115
523862.09 - Lost SSM LED Message...115
523863.04 - SSM Button Stuck...115
523863.09 - Lost SSM LED Message...115
523864.04 - SSM Button Stuck...115
523864.09 - Lost SSM LED Message...115
523865.04 - SSM Button Stuck...115
523865.09 - Lost SSM LED Message...115
523867.04 - SSM Button Stuck...115
523867.09 - Lost SSM LED Message...115
523868.04 - SSM Button Stuck...115
523868.09 - Lost SSM LED Message...115
Group 50: Automatic Temperature Control (ATC) Diagnostic Trouble Codes...801
Automatic Temperature Control (ATC) Diagnostic Trouble Codes...801
000170.03 - Blower Inlet Temperature Sensor Circuit Fault...116
000170.04 - Blower Inlet Temperature Sensor Circuit Fault...116
000871.03 - A/C Pressure Sensor Circuit Fault...116
000871.04 - A/C Pressure Sensor Circuit Fault...116
000876.03 - A/C Compressor Clutch Circuit Fault...116
000876.04 - A/C Compressor Clutch Circuit Fault...116
000876.05 - A/C Compressor Clutch Circuit Fault...116
001546.03 - Temperature Actuator Circuit Fault...116
001546.04 - Temperature Actuator Circuit Fault...116
001546.07 - Temperature Actuator Circuit Fault...116
001547.03 - A/C Freeze Temperature Sensor Circuit Fault...116
001547.04 - A/C Freeze Temperature Sensor Circuit Fault...116
516939.00 - Overvoltage...116
516939.03 - ATC Actuator Reference Voltage...116
516939.04 - ATC Actuator Reference Voltage...116
523646.03 - Blower Outlet Temperature Sensor Circuit Fault...116
523646.04 - Blower Outlet Temperature Sensor Circuit Fault...116
523672.03 - Precleaner Motor Circuit Fault...116
523672.04 - Precleaner Motor Circuit Fault...116
523672.05 - Precleaner Motor Circuit Fault...116
524203.03 - Ambient Air Temperature Sensor Short to Power...116
524203.04 - Ambient Air Temperature Sensor Short to Ground...116
Group 60: Heated/Ventilated Seat (HVS) Diagnostic Trouble Codes...844
Heated/Ventilated Seat (HVS) Diagnostic Trouble Codes...844
517377.12 - Temperature Sensor Circuit Fault...116
517378.12 - Heating Element Short to Power...116
517587.12 - Power Circuit Fault...116
521274.09 - LIN Network...116
Group 70: Right Joystick 1 (RJ1) Diagnostic Trouble Codes...854
Right Joystick 1 (RJ1) Diagnostic Trouble Codes...854
000158.03 - High Battery Voltage...116
000158.04 - Low Battery Voltage...117
000167.16 - Alternator Voltage High...117
000167.18 - Alternator Voltage Low...117
000168.16 - Battery Voltage High...117
000237.02 - Vehicle Identification Fault...117
000237.13 - Vehicle Identification Fault...117
000237.31 - Vehicle Identification Fault...117
000639.12 - VCU CAN 1 Failure...117
000639.14 - VCU CAN 1 Bus Off...117
000924.03 - Auxiliary Electrical Output Short to Power...117
000924.05 - Auxiliary Electrical Output Open Circuit...117
000924.06 - Auxiliary Electrical Output Short to Ground...117
000924.16 - Auxiliary Electrical Output Excess Current Draw...117
001231.12 - VCU CAN 2 Failure...117
001231.14 - VCU CAN 2 Bus Off...117
001235.12 - VCU CAN 3 Failure...117
001235.14 - VCU CAN 3 Bus Off...117
002033.09 - CAN Communication Lost With VCU...117
002660.02 - Joystick Bucket Axis Sensor Mismatch...117
002660.03 - Joystick Bucket Axis Sensor Short to Power...117
002660.04 - Joystick Bucket Axis Sensor Short to Ground...117
002661.02 - Joystick Boom Axis Sensor Mismatch...117
Section 9005: Operational Checkout Procedure...1321
Group 10: Operational Checkout Procedure...1321
Operational Checkout...1370
Section 9010: Engine...1418
Group 05: Theory of Operation...1418
John Deere Engine...1420
Automatic Idle and Automatic Shutdown Theory of Operation...1421
Group 10: System Diagrams...1418
Engine Cooling System Component Location...1423
Engine Fuel System Component Location...1424
Engine Intake and Exhaust Component Location...1426
Group 25: Tests...1418
Fluid Sampling Procedure—If Equipped...1432
Auto Idle, Standby Idle, and Auto-Shutdown Check...1437
Engine Auto Idle Speed Adjustment...1440
Section 9015: Electrical System...1441
Group 05: Theory of Operation...1441
Start and Charge Circuit Theory of Operation...1453
Controller Area Network (CAN) Circuit Theory of Operation...1459
Local Interconnect Network (LIN) Circuit Theory of Operation...1466
Engine Control Unit (ECU) Circuit Theory of Operation...1468
Exhaust Aftertreatment Circuit Theory of Operation...1483
Ambient Air Temperature Sensor Circuit Theory of Operation...1490
Automatic and Manual Differential Lock Circuit Theory of Operation...1491
Axle Filter Restriction Circuit Theory of Operation...1495
Axle Temperature Sensors Circuit Theory of Operation...1497
Beacon Light Circuit Theory of Operation...1499
Brake Lights Circuit Theory of Operation...1501
Service Brake Circuit Theory of Operation...1503
Electrohydraulic (EH) Auxiliary Control Circuit Theory of Operation...1505
Electrohydraulic (EH) Control Valve Circuit Theory of Operation...1507
Forward, Neutral, and Reverse (FNR) Selection Circuit Theory of Operation...1511
Fuel Sender Circuit Theory of Operation...1515
Front/Rear Wipers and Washer Pumps Circuit Theory of Operation...1516
Heated Mirrors Circuit Theory of Operation...1520
Horn Circuit Theory of Operation...1522
Hydraulic Fan Drive Control Circuit Theory of Operation...1523
Hydraulic Oil Filter Restriction Circuit Theory of Operation...1528
Hydraulic Oil Temperature Circuit Theory of Operation...1530
Hydraulic Pilot Enable Circuit Theory of Operation...1532
Hydraulic Power Management (HPM) Circuit Theory of Operation...1534
Load Counter Circuit Theory of Operation...1536
Lighting Circuit Theory of Operation...1538
Multi-Function Button Control Circuit Theory of Operation...1542
Park Brake Control Circuit Theory of Operation...1544
Pin Disconnect Circuit Theory of Operation...1548
Ride Control Circuit Theory of Operation...1550
Seat Belt Minder Circuit Theory of Operation...1553
Turn Signals Circuit Theory of Operation...1555
Joystick Steering Circuit Theory of Operation...1558
Vehicle Control Unit (VCU) Circuit Theory of Operation...1562
Operator Interface Controller (OIC) Circuit Theory of Operation...1568
Transmission Control Unit (TCU) Circuit Theory of Operation...1572
Primary Display Unit (PDU) Circuit Theory of Operation...1577
Radar Object Detection (ROD) Circuit Theory of Operation...1580
Tire Pressure Monitoring System (TPMS) Circuit Theory of Operation...1583
Group 10: System Diagrams...1442
Electrical Diagram Information...1590
Electrical Schematic Symbols...1594
Fuse and Relay Specifications...1597
System Functional Schematic, Component Location, and Wiring Diagram Master Legend...1601
System Functional Schematic...1609
Power and Ground Cables (W1) Component Location...1615
Loader Frame Harness (W2) Component Location...1617
Loader Frame Harness (W2) Wiring Diagram...1619
Load Center Harness (W3) Component Location...1622
Load Center Harness (W3) Wiring Diagram...1624
Front Console Harness (W4) Component Location...1630
Front Console Harness (W4) Wiring Diagram...1632
Engine Frame Harness (W5) Component Location...1633
Engine Frame Harness (W5) Wiring Diagram...1635
Engine Harness (W6) Component Location...1638
Engine Harness (W6) Wiring Diagram...1640
Loader Frame Jumper Harness (W7) Component Location...1643
Loader Frame Jumper Harness (W7) Wiring Diagram...1644
Return-to-Dig (RTD) Harness (W8) Component Location...1645
Return-to-Dig (RTD) Harness (W8) Wiring Diagram...1646
Transmission Harness (W10) Component Location...1647
Transmission Harness (W10) Wiring Diagram...1648
Transmission Jumper Harness (W11) Component Location...1649
Transmission Jumper Harness (W11) Wiring Diagram...1650
Rear Frame Harness (W13) Component Location...1652
Rear Frame Harness (W13) Wiring Diagram...1654
Baffle Harness (W14) Component Location...1655
Baffle Harness (W14) Wiring Diagram...1657
Backup Alarm Jumper Harness (W15) Component Location...1660
Backup Alarm Jumper Harness (W15) Wiring Diagram...1661
Alternator Excitation Jumper Harness (W18) Component Location...1662
Alternator Excitation Jumper Harness (W18) Wiring Diagram...1663
Cab Roof Harness (W19) Component Location...1664
Cab Roof Harness (W19) Wiring Diagram...1665
Heater and Air Conditioner Harness (W20) Component Location...1667
Heater and Air Conditioner Harness (W20) Wiring Diagram...1668
Radar Object Detection (ROD) Harness (W21) Component Location...1669
Radar Object Detection (ROD) Harness (W21) Wiring Diagram...1670
Camera Jumper Harness (W22) Component Location...1671
Camera Jumper Harness (W22) Wiring Diagram...1672
Seat Belt Minder Jumper Harness (W23) Component Location...1673
Seat Belt Minder Jumper Harness (W23) Wiring Diagram...1674
Headliner Harness (W24) Component Location...1675
Headliner Harness (W24) Wiring Diagram...1678
Dedicated Display Jumper Harness (W25) Component Location...1680
Dedicated Display Jumper Harness (W25) Wiring Diagram...1681
Joystick Steering Harness (W27) Component Location...1682
Joystick Steering Harness (W27) Wiring Diagram...1684
Right-Hand Armrest Controls Harness (W28) Component Location...1685
Right-Hand Armrest Controls Harness (W28) Wiring Diagram...1687
Ground Speed Radar (RDR) Harness (W31) Component Location...1689
Ground Speed Radar (RDR) Harness (W31) Wiring Diagram...1690
Tire Pressure Monitoring System (TPMS) Harness (W40) Component Location...1691
Tire Pressure Monitoring System (TPMS) Harness (W40) Wiring Diagram...1692
Auxiliary Radio Input Harness (W41) Component Location...1693
Auxiliary Radio Input Harness (W41) Wiring Diagram...1694
Electric Drive Generator Harness (W43) Component Location...1695
Electric Drive Generator Harness (W43) Wiring Diagram...1696
Electric Drive Motor Harness (W44) Component Location...1697
Electric Drive Motor Harness (W44) Wiring Diagram...1698
Aftertreatment Harness (W45) Component Location...1699
Aftertreatment Harness (W45) Wiring Diagram...1700
Starter-to-Alternator Harness (W52) Component Location...1701
Starter-to-Alternator Harness (W52) Wiring Diagram...1702
Washer Pumps Jumper Harness (W53) Component Location...1704
Washer Pumps Jumper Harness (W53) Wiring Diagram...1705
Reversing Fan Jumper Harness (W55) Component Location...1706
Reversing Fan Jumper Harness (W55) Wiring Diagram...1707
Satellite (SAT) Harness (W6003) Component Location...1708
Group 15: Diagnostic Information...1444
Service ADVISOR™ Diagnostic Application...1710
Service ADVISOR™ Connection Procedure...1711
Service ADVISOR™ Controller Connectivity Check...1714
Using Service ADVISOR™ Remote...1719
Reading Diagnostic Trouble Codes With Service ADVISOR™ Diagnostic Application...1722
Intermittent Diagnostic Trouble Code (DTC) Diagnostics...1724
Diagnostic Trouble Codes—After Machine Repair...1725
Electrical Component Specifications...1726
Group 16: Monitor Operation...1444
Primary Display Unit (PDU)—Service Mode...1735
Main Menu—Display Settings—Menu Access Mode...1737
Main Menu—Diagnostics—Codes—Clear Codes...1738
Main Menu—Diagnostics—OBD Tool...1739
Main Menu—Diagnostics—OBD Tool—Automatic Temperature Control (ATC)...1741
Main Menu—Diagnostics—OBD Tool—Heated Ventilated Seat (HVS)...1747
Main Menu—Diagnostics—OBD Tool—Right Joystick #1 (RJ1)...1749
Main Menu—Diagnostics—OBD Tool—Rotary Switch Module (RSM)...1753
Main Menu—Diagnostics—OBD Tool—Vehicle Control Unit (VCU)...1755
Main Menu—Diagnostics—OBD Tool—Vehicle Control Unit #2 (VC2)...1774
Main Menu—Diagnostics—OBD Tool—JDLink™ (JDL)...1776
Main Menu—Diagnostics—OBD Tool—Primary Display Unit (PDU)...1778
Main Menu—Machine Fan—Commanded Fan Speed...1780
Main Menu—Machine Setup—Drivetrain Settings—Reset Settings...1781
Main Menu—Machine Setup—Electrohydraulic Settings—Reset Settings...1782
Main Menu—Machine Setup—Machine Configuration—Demo Mode...1783
Main Menu—Machine Setup—Machine Configuration—Demo Mode Save Settings...1784
Main Menu—Machine Setup—Machine Configuration—Auto Idle...1785
Main Menu—Machine Setup—Machine Configuration—Auto Shut Down...1786
Main Menu—Machine Setup—Machine Configuration—Reset Settings...1787
Main Menu—Machine Setup—Machine Configuration—Tire Size...1788
Main Menu—Machine Setup—Operator Interface/Cab Settings—Reset Settings...1789
Main Menu—Machine Setup—Performance Settings—Reset Settings...1790
Main Menu—TPMS—Learn All Tires...1791
Main Menu—TPMS—Cold Inflation Pressure Setup...1792
Main Menu—TPMS—Alarm Setup...1793
Main Menu—TPMS—Delete Sensors...1794
Group 17: Diagnostic Test Box...1445
Setup and Functional Test...1804
Two Wire Sensor Circuit Check—Out of Range High...1813
Two Wire Sensor Circuit Check—Out of Range Low...1815
Three Wire Sensor Circuit Check—Out of Range High...1817
Three Wire Sensor Circuit Check—Out of Range Low...1819
Group 20: Adjustments...1445
Boom Height Kickout (BHKO) Adjustment...1823
Return-to-Carry (RTC) Adjustment...1825
Return-to-Dig (RTD) Adjustment...1827
Boom Height Kickout/Return-to-Carry (BHKO/RTC) Position Sensor Calibration...1828
Group 25: Tests...1445
Controller Area Network (CAN) Circuit Test...1836
Alternator Test...1842
Accelerator Pedal Sensor Test...1846
Hydraulic Pressure Sensor Test...1848
Transmission Clutch Control Valve Solenoid Check...1850
Connector Terminal Test...1852
Section 9019: Electric Drive System...1855
Group 05: Theory of Operation...1855
Inverter Theory of Operation...1860
Brake Resistor Theory of Operation...1864
Inverter Cooling Pump Theory of Operation...1866
Group 10: System Diagrams...1855
Electric Drive System Component Location...1870
Inverter Cooling System Component Location...1872
Group 20: Adjustments...1855
Inverter Sensor Calibration...1874
Group 25: Tests...1855
Prepare Electric Drive System for Service...1880
Electric Drive System Isolation Test...1885
Section 9020: Power Train...1895
Group 05: Theory of Operation...1895
TeamMate™ Axles...1899
Power Train Operation...1900
Transmission Operation...1902
Transmission Operation—Forward and Reverse...1903
Transmission Clutch Pack Engagement and Solenoids Activated...1907
Transmission Filter Bypass Valve Operation...1908
Transmission Hydraulic System...1910
Thermal Bypass Valve Operation...1911
Standard Differential Operation...1913
Differential Lock Operation...1914
Axle Circulation Dual Pump Operation...1916
Park Brake Operation...1918
Group 10: System Diagrams...1895
Transmission Overall Test Connections, Ports, and Locations...1922
Power Train System Schematic...1924
Power Train Cooling System Component Location...1926
Power Train Component Location...1928
Group 15: Diagnostic Information...1895
Transmission Clutch Slippage...1895
Machine Will Not Move in Either Direction...1895
Machine Will Not Shift Correctly...1895
Transmission System Pressure is Low in Neutral...1895
Transmission Pressure Is Low (One or Two Ranges)...1895
Transmission Shifts Too Slow...1895
Transmission Shifts Too Fast...1895
Machine Creeps in Neutral...1895
Transmission Hydraulic System Overheats...1895
Electric Drive Generator Overheats...1895
Electric Drive Motor Overheats...1895
Generator-Pump Drive Overheats...1895
Transmission Excessive Noise...1896
Oil Aerated...1896
Oil Ejected from Filler Tube...1896
Machine Vibrates...1896
Machine Power and Acceleration Low...1896
Differential Lock Will Not Engage...1896
Differential Lock Slips and Chatters...1896
Differential Lock Will Not Disengage...1896
Differential Oil Level Rises...1896
Differential Oil Level Low...1896
Differential and Axle Noise Excessive...1896
Axle Wheel Hub Face Seal Leaking...1896
Axle Overheats...1896
Service Brakes Poor or Do Not Apply...1896
Service Brakes Aggressive...1896
Service Brakes Dragging...1896
Service Brakes Lockup...1896
Service Brakes Chatter...1896
Service Brake Warning Light On...1896
Driveline Excessive Vibration or Noise...1896
Park Brake Will Not Hold...1896
Park Brake Will Not Release...2024
Park Brake Overheats...1896
Park Brake Light Flashes When Shifting From Forward to Reverse...1896
Park Brake Light Flashes During Each Shift...1896
Park Brake Light Does Not Come On...1896
Park Brake Will Not Apply...1896
Group 20: Adjustments...1896
Service Brake Bleeding Procedure...2040
External Service Brake Inspection...2042
Transmission Speed Sensor Adjustment...2045
Transmission Control Unit (TCU)—Electronic Clutch Calibration...2048
Group 25: Tests...1896
Transmission Oil Sampling Procedure...2051
Transmission Oil Warm-Up Procedure...2052
Park Brake Pressure Test...2054
Park Brake Drag Test...2057
Power Train Pump Flow Test...2059
Transmission System Pressure Test...2062
Transmission Clutch Pressure Test...2064
Transmission Lube Pressure Test...2067
Power Train Flow Divider Test...2069
Electric Drive Generator Lube Pressure Test...2072
Electric Drive Motor Lube Pressure Test...2073
Generator/Pump Drive Lube Pressure Test...2076
Transmission Oil Cooler Bypass Valve Temperature Test...2079
Transmission Oil Cooler Bypass Valve Pressure Test...2082
Transmission Oil Cooler Restriction Test...2086
Axle Circulation Dual Pump Flow Test...2090
Axle Oil Cooler Restriction Test...2094
Axle Breather Test...2097
Differential Lock Pressure Test...2099
Section 9025: Hydraulic System...2101
Group 05: Theory of Operation...2101
Loader Hydraulic System Operation...2106
Main Hydraulic Pump Operation...2108
Hydraulic Fan Operation...2110
Hydraulic Reversing Fan Operation...2112
Orbital Steering System Component Operation...2115
Orbital Steering Valve Operation...2116
Joystick Steering Valve Operation...2118
Service Brake Hydraulic System Operation...2122
Service Brake Accumulator Operation...2123
Service Brake Valve Operation...2124
Pin Disconnect Operation...2126
Loader Control Valve Operation...2128
Boom Section Operation—Boom Down and Steering...2130
Bucket Section Operation—Boom Raise and Bucket Dump...2132
Auxiliary Section—Operating and Boom Raise...2136
Loader Control Valve—Outlet Section Operation...2140
Load Sense Circuit Operation—Neutral...2142
Load Sense Circuit Operation—Steering...2144
Load Sense Circuit Operation—Steering and Boom Down...2146
Load Sense Circuit Operation—Boom Raise and Bucket Dump...2148
Main Relief Valve Operation...2151
Load Sense Relief Valve Operation...2153
Circuit Relief With Anticavitation Valve Operation...2157
Anticavitation Valve Operation...2157
Hydraulic Return Filter Operation...2158
Ride Control Operation...2162
Group 10: System Diagrams...2101
Hydraulic System Schematic...2169
Steering System Component Location...2173
Hydraulic Cooling Fan System Component Location...2175
Loader System Component Location...2177
Pin Disconnect System Component Location...2179
Ride Control System Component Location...2180
Hydraulic Pump Manifold Component Location...2182
Group 15: Diagnostic Information...2102
No Hydraulic Functions...2102
Hydraulic Functions Slow...2102
Main Hydraulic Pump Noisy...2102
No Orbital Steering Function...2102
Boom Float Function Not Working...2102
One Hydraulic Function Not Working...2102
Hydraulic Function Drifts Down...2102
Boom Down Does Not Work (Engine Off)...2102
Ride Control Not Working...2102
Oil Overheats...2102
Hydraulic Oil Foams...2102
Pin Disconnect Cylinders Will Not Retract...2102
Constant Steering Required to Maintain Straight Travel...2102
Slow Steering Wheel Movement Will Not Cause Frame Movement...2102
Steering Wheel Turns Without Resistance and Causes No Frame Movement...2102
Steering Erratic...2102
Steering Wheel Free Play...2102
Orbital Steering Valve Binds or Locks Up...2102
Steering Wheel Turns by Itself...2102
Machine Turns in Opposite Direction as Steering Wheel...2102
Orbital Steering Jerky...2102
No Joystick Steering Function—If Equipped...2102
Hydraulic Fan Does Not Reach Full Speed...2102
Hydraulic Fan Runs at Full Speed Only...2102
Hydraulic Fan Does Not Spin...2102
Hydraulic Fan Will Not Reverse Direction...2102
Group 20: Adjustments...2102
Ride Control Accumulator Gas Charge Procedure...2281
Ride Control Accumulator Draining Procedure...2284
Group 25: Tests...2103
Hydraulic Oil Sampling Procedure...2287
Hydraulic Oil Warm-Up Procedure...2288
Vacuum Pump Installation...2290
Hydraulic System Pressure and Accumulators Discharge...2292
JT02156A Digital Pressure and Temperature Analyzer Kit Installation...2294
Hydraulic System Operating and Standby Pressure Test...2295
Main Hydraulic Pump Control Valve Test and Adjustment...2298
Load Sense Relief Valve Pressure Test and Adjustment...2304
Main Relief Valve Pressure Test...2308
Circuit Relief With Anticavitation Valve Pressure Test...2314
Loader Cylinder Drift Test...2318
Boom, Bucket, and Steering Cylinder Leakage Test...2321
Pilot Pressure Reducing Valve Pressure Test...2324
Cycle Time Test...2327
Service Brake Accumulator Gas Precharge and Low Brake Pressure Warning Test...2328
Service Brake Valve Pressure Test...2333
Service Brake Valve Leakage Test...2337
Pin Disconnect Pressure Test...2341
Hydraulic Fan Pump Pressure Test...2345
Section 9031: Heating and Air Conditioning...2349
Group 05: Theory of Operation...2349
Air Conditioning System Cycle of Operation...2352
Group 10: System Diagrams...2349
Heater and Air Conditioner Component Location...2356
Group 15: Diagnostic Information...2349
Air Conditioning System Does Not Operate...2349
Air Conditioning System Does Not Cool Interior of Cab...2349
Air Conditioning System Runs Constantly, Too Cold...2349
Heating System Does Not Operate...2349
Heating System Does Not Warm Interior of Cab...2349
Interior Windows Continue to Fog...2349
Group 25: Tests...2349
R134a Refrigerant Cautions and Proper Handling...2382
R134a Oil Charge Capacity...2383
R134a Refrigerant Charge Capacity...2384
Heater and Air Conditioner Operational Checks...2385
Air Conditioner Compressor Clutch Test...2389
R134a Refrigerant Leak Test...2390
R134a Refrigerant Hoses and Tubing Inspection...2391
Air Conditioner High/Low-Pressure Switch Test...2392
Air Conditioner Freeze Control Switch Test...2393
Air Conditioning System Test...2394
Operating Pressure Diagnostic Chart...2397
John Deere 644L Hybrid 4WD Loader (PIN 1DW644L_ __F705243— ) Diagnosis and Repair Service Manual (TM14410X19)