John Deere 944K Hybrid 4WD Loader Diagnosis and Test Service Technical Manual (TM14317X19)
Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 944K Hybrid 4WD Loader, with workshop information to maintain, diagnose, and rebuild like professional mechanics.
John Deere 944K Hybrid 4WD Loader workshop Diagnosis & Tests technical manual includes:
* Numbered table of contents easy to use so that you can find the information you need fast.
* Detailed sub-steps expand on repair procedure information
* Numbered instructions guide you through every repair procedure step by step.
* Troubleshooting and electrical service procedures are combined with detailed wiring diagrams for ease of use.
* Notes, cautions and warnings throughout each chapter pinpoint critical information.
* Bold figure number help you quickly match illustrations with instructions.
* Detailed illustrations, drawings and photos guide you through every procedure.
* Enlarged inset helps you identify and examine parts in detail.
TM14317X19 - John Deere 944K Hybrid 4WD Loader Technical Manual - Operation and Test.pdf
tm14317x63 - John Deere Cargadora de tracción en las cuatro ruedas híbrida 944K Funcionamiento y pruebas (PIN: 1DW944K_ _ _F690605—703599) (PIN: 1DW944K_ _ _L703600— ).pdf
tm14317x28 - John Deere Fonctionnement et contrôles du chargeur hybride 944K à 4 roues motrices (NIP: 1DW944K_ _ _F690605—703599) (NIP: 1DW944K_ _ _L703600— ).pdf
PRODUCT DETAILS:
Total Pages: 3260 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Category: Operation and Test
Language: English Spanish French
John Deere - 4WD Loader - 1DW944K_ _ _L703600 -
TABLE OF CONTENTS
Section 9000: General Information...66
Group 01: Safety Information...66
Recognize Safety Information...69
Follow Safety Instructions...70
Operate Only If Qualified...71
Wear Protective Equipment...72
Protect Against Noise...73
Avoid Unauthorized Machine Modifications...74
Inspect Machine...75
Stay Clear of Moving Parts...76
Avoid High-Pressure Fluids...77
Avoid High-Pressure Oils...78
Work In Ventilated Area...79
Avoid Static Electricity Risk When Refueling...80
High Debris Applications...82
Prevent Fires...83
In Case of Machine Fire...84
Prevent Battery Explosions...85
Handle Chemical Products Safely...86
Handle Starting Fluid Safely...87
Decommissioning — Proper Recycling and Disposal of Fluids and Components...88
Exhaust Filter Ash Handling and Disposal...89
Prepare for Emergencies...90
Clean Debris from Machine...91
Add Cab Guarding for Special Uses...92
Use Steps and Handholds Correctly...93
Start Only From Operator's Seat...94
Use and Maintain Seat Belt...95
Prevent Unintended Machine Movement...96
Avoid Work Site Hazards...97
Keep Riders Off Machine...99
Avoid Backover Accidents...100
Avoid Machine Tip Over...101
Avoid Power Lines...103
Operating on Slopes...104
Operating or Traveling On Public Roads...105
Use Special Care When Operating Loader...106
Inspect and Maintain ROPS...107
Travel Safely...108
Prevent Acid Burns...109
Add and Operate Attachments Safely...111
High-Altitude Operation...112
Park and Prepare for Service Safely...113
Service Machines Safely...114
Prepare Electric Drive System for Service Safely...115
Avoid Pressure Washing Electric Drive Components...116
Service Cooling System Safely...117
Service Accumulator Systems Safely...118
Remove Paint Before Welding or Heating...119
Make Welding Repairs Safely...120
Drive Metal Pins Safely...121
Service Tires Safely...122
Use Proper Lifting Equipment...123
Clean Exhaust Filter Safely...124
Section 9001: Diagnostics...127
Group 10: Engine Control Unit (ECU) Diagnostic Trouble Codes...174
Engine Control Unit (ECU) Diagnostic Trouble Codes...174
000237.02 - Vehicle Identification Conflict...127
000237.13 - Vehicle Identification Fault...127
000237.31 - Communication Fault...127
001321.05 - Starter Relay Open Circuit...127
001321.06 - Starter Relay High Current...127
001321.09 - Starter Signal Invalid...127
001321.30 - Too Long to Start...127
001761.01 - Diesel Exhaust Fluid is Extremely Low...127
001761.18 - Diesel Exhaust Fluid is Very Low...127
003031.12 - Diesel Exhaust Fluid Temperature Sensor Fault...127
003353.31 - Alternator Output Fault...127
003516.01 - Diesel Exhaust Fluid Concentration Extremely Low...127
003516.07 - Diesel Exhaust Fluid Concentration Invalid...127
003516.09 - Diesel Exhaust Fluid Tank Header Communication Fault...127
003516.12 - Diesel Exhaust Fluid Concentration Sensor Fault...127
003517.12 - Diesel Exhaust Fluid Tank Level Sensor Fault...127
003587.05 - Ether Starting Aid Circuit Fault...127
003587.06 - Ether Starting Aid Circuit Fault...127
003711.14 - Exhaust Filter Inlet Temperature Low...127
003711.31 - Exhaust Filter Inlet Temperature Low...127
003719.14 - Exhaust Filter Extremely Restricted...127
004366.05 - DEF Tank Heater Coolant Control Valve Circuit Has High Resistance...127
004366.06 - DEF Tank Heater Coolant Control Valve Circuit Has Low Resistance...127
004366.16 - DEF Tank Temperature Moderately High...127
004366.18 - DEF Tank Insufficient Heating Fault...127
004766.15 - DOC Outlet Temperature Very High...127
520629.31 - Engine Control Unit Programming Fault...127
Group 20: Transmission Control Unit (TCU) Diagnostic Trouble Codes...228
Transmission Control Unit (TCU) Diagnostic Trouble Codes...228
000177.00 - Gearbox Oil Temp Overtemp...127
000237.02 - Invalid VIN...128
000237.14 - VIN Options Not Learned...128
000237.31 - VIN Message Missing...128
000521.03 - Brake Pedal Short to Power...128
000521.04 - Brake Pedal Short to Ground...128
000578.00 - Axle Oil Temp Overtemp...128
000628.12 - Controller Not Programmed...128
000629.12 - Controller Reset...128
000639.12 - Communication System...128
000639.14 - Communication System...128
000880.03 - Brake Lights Short to Power...128
000880.05 - Brake Lights Open Circuit...128
000880.06 - Brake Lights Short to Ground...128
001231.12 - Communication System...128
001231.14 - Communication System...128
001235.12 - Communication System...128
001235.14 - Communication System...128
001503.11 - Armrest Position Undetermined...128
002000.09 - CAN Comm Lost For ECU...128
002033.09 - CAN Comm Lost For VCU...128
002160.09 - CAN Comm Lost For GN1...128
002161.09 - CAN Comm Lost For GN2...128
002162.09 - CAN Comm Lost For MT1...128
002163.09 - CAN Comm Lost For MT2...128
002164.09 - CAN Comm Lost For MT3...128
002165.09 - CAN Comm Lost For MT4...128
002873.04 - Engine Light Switch On Short to Ground...128
002873.18 - Engine Light Switch Off Short to Ground...128
003655.04 - Shift Up Button Short to Ground...128
003656.04 - Shift Down Button Short to Ground...128
516641.03 - Park Brake Valve Short to Power...128
516641.05 - Park Brake Valve Open Circuit...128
516641.06 - Park Brake Valve Short to Ground...128
516642.03 - Park Brake Valve Short to Power...129
516642.05 - Park Brake Valve Open Circuit...129
516642.06 - Park Brake Valve Short to Ground...129
516643.03 - Park Brake Valve Short to Power...129
516643.05 - Park Brake Valve Open Circuit...129
516643.06 - Park Brake Valve Short to Ground...129
516644.03 - Park Brake Valve Short to Power...129
516644.05 - Park Brake Valve Open Circuit...129
516644.06 - Park Brake Valve Short to Ground...129
520351.00 - GN1 IGBT Temp Overtemp...129
520537.04 - Quick Shift Short to Ground...129
520539.04 - FNR - R Short to Ground...129
520540.04 - FNR - F Short to Ground...129
520555.03 - Accel Pedal Short to Power...129
520555.04 - Accel Pedal Short to Ground...129
521041.00 - Generator Winding Temp Overtemp...129
521043.00 - Brake Res Temp Overtemp...129
521248.03 - Rear Park Brake Pressure Short to Power...129
521248.04 - Rear Park Brake Pressure Short to Ground...129
521256.03 - Front Park Brake Pressure Short to Power...129
521256.04 - Front Park Brake Pressure Short to Ground...129
521487.01 - DC Bus B Severe Isolation...129
521487.09 - DC Bus B Isolation Failure...129
521487.18 - DC Bus B Moderate Isolation...129
521839.01 - DC Bus A Severe Isolation...129
521839.09 - DC Bus A Isolation Failure...129
521839.18 - DC Bus A Moderate Isolation...129
521900.03 - Articulation Angle Sensor Short to Power...129
521900.04 - Articulation Angle Sensor Short to Ground...129
521900.13 - Articulation Angle Sensor Out of Calibration...129
521932.00 - MT1 IGBT Temp Overtemp...129
522003.04 - FNR - NR Short to Ground...129
522327.00 - Motor Winding Temp Overtemp...129
522382.03 - Backup Alarm Failure...130
522382.05 - Backup Alarm Open Circuit...130
522382.06 - Backup Alarm Short to Ground...130
522401.15 - Maximum Machine Speed Exceeded...130
522409.04 - FNR - NF Short to Ground...130
522409.05 - FNR Open Circuit...130
522409.12 - FNR Mult Inputs...130
522410.12 - Park Brake Pressure Mismatch...130
523380.31 - Drivetrain Temp Derate Active...130
523440.04 - Unswitched Power Low Voltage...130
523489.03 - Engine Compartment Light Short to Power...130
523489.05 - Engine Compartment Light Open Circuit...130
523489.06 - Engine Compartment Light Short to Ground...130
523837.01 - Rear Service Brake Pressure Low...130
523837.03 - Rear Service Brake Short to Power...130
523837.04 - Rear Service Brake Short to Ground...130
523840.01 - Front Service Brake Pressure Low...130
523840.03 - Front Service Brake Short to Power...130
523840.04 - Front Service Brake Open Circuit...130
523952.31 - Traction Control Disabled...130
524099.02 - WP1 Operation Fault...130
Group 30: Vehicle Control Unit (VCU) Diagnostic Trouble Codes...366
Vehicle Control Unit (VCU) Diagnostic Trouble Codes...366
000096.04 - Fuel Level Sensor Short to Ground...130
000096.05 - Fuel Level Sensor Open or Short to Power...130
000127.04 - Gearbox Oil Pressure Short to Ground...130
000127.06 - Gearbox Oil Pressure Low Pressure...130
000167.16 - Alternator High Voltage...130
000167.18 - Alternator Low Voltage...130
000168.16 - High Battery Voltage...130
000168.18 - Low Battery Voltage...130
000171.04 - Ambient Air Sensor Short to Ground...130
000177.00 - Gearbox Oil Temperature High...130
000177.04 - Gearbox Oil Temp Sensor Short to Ground...131
000177.05 - Gearbox Oil Temp Sensor Open Circuit...131
000237.02 - Vehicle Identification Fault...131
000237.14 - VIN Options Not Learned...131
000237.31 - VIN Message Missing...131
000578.00 - MT4 Axle Oil Temperature High...131
000578.04 - MT4 Axle Oil Temp Sensor Short to Ground...131
000578.05 - MT4 Axle Oil Temp Sensor Open Circuit...131
000628.12 - Controller Not Programmed...131
000629.12 - Controller Reset...131
000639.12 - Communication System...131
000639.14 - Communication System...131
000785.03 - Pilot Solenoid Short to Power...131
000785.05 - Pilot Solenoid Open Circuit...131
000785.06 - Pilot Solenoid Short to Ground...131
000920.03 - Audible Alarm Sensor Short to Power...131
000920.05 - Audible Alarm Sensor Open Circuit...131
000920.06 - Audible Alarm Sensor Short to Ground...131
000977.03 - Reverse Fan Solenoid Short to Power...131
000977.05 - Reverse Fan Solenoid Open Circuit...131
000977.06 - Reverse Fan Solenoid Short to Ground...131
001071.03 - Fan Solenoid Short to Power...131
001071.05 - Fan Solenoid Open Circuit...131
001071.06 - Fan Solenoid Short to Ground...131
001071.16 - Fan Solenoid Low Side Short to Ground...131
001071.18 - Fan Solenoid Low Side Short to Power...131
001093.04 - MT1 Oil Pressure Short to Ground...131
001093.06 - Axle Cooling System Low Pressure MT1...131
001094.04 - MT2 Oil Pressure Short to Ground...131
001094.06 - Axle Cooling System Low Pressure MT2...131
001095.04 - MT3 Oil Pressure Short to Ground...131
001095.06 - Axle Cooling System Low Pressure MT3...131
001096.04 - MT4 Oil Pressure Short to Ground...131
001096.06 - Axle Cooling System Low Pressure MT4...132
001231.12 - Communication System...132
001231.14 - Communication System...132
001529.03 - Ride Control Accumulator Short to Power...132
001529.04 - Ride Control Accumulator Short to Ground...132
001550.03 - AC Clutch Driver Short to Power...132
001550.06 - AC Clutch Driver Short to Ground...132
001638.00 - Hydraulic Oil Temperature High...132
001638.04 - Hydraulic Oil Temp Sensor Short to Ground...132
001638.05 - Hydraulic Oil Temp Sensor Open Circuit...132
001639.07 - Fan Speed Sensor Mechanical Fault...132
001639.08 - Fan Speed Sensor Circuit Fault...132
001639.13 - Fan Speed Sensor Calibration Fault...132
001713.01 - Hydraulic Oil Filter Restricted...132
002000.09 - CAN Comm Lost For ECU...132
002003.09 - CAN Comm Lost For TCU...132
002038.09 - CAN Comm Lost For SID...132
002051.09 - CAN Comm Lost For TPMS...132
002132.09 - CAN Comm Lost For ROD...132
002139.09 - CAN Comm Lost For WP1...132
002141.09 - CAN Comm Lost For SSM...132
002201.09 - CAN Comm Lost For Joystick #2...132
002213.09 - CAN Comm Lost For Joystick #1...132
002251.09 - CAN Comm Lost For SAR...132
002350.03 - Drive Lamps Short to Power...132
002350.05 - Drive Lamps Open Circuit...132
002350.06 - Drive Lamps Short to Ground...132
002353.03 - Frame Work Lights Short to Power...132
002353.05 - Frame Work Lights Open Circuit...132
002353.06 - Frame Work Lights Short to Ground...132
002354.03 - Right Outer Work Light Short to Power...132
002354.05 - Right Outer Work Light Open Circuit...132
002354.06 - Right Outer Work Light Short to Ground...132
002355.03 - Front Work Lights Short to Power...133
002355.05 - Front Work Lights Open Circuit...133
002355.06 - Front Work Lights Short to Ground...133
002356.03 - Left Outer Work Light Short to Power...133
002356.05 - Left Outer Work Light Open Circuit...133
002356.06 - Left Outer Work Light Short to Ground...133
002359.03 - Rear Machine Work Lights Short to Power...133
002359.05 - Rear Machine Work Lights Open Circuit...133
002359.06 - Rear Machine Work Lights Short to Ground...133
002362.03 - Rear Work Lights Short to Power...133
002362.05 - Rear Work Lights Open Circuit...133
002362.06 - Rear Work Lights Short to Ground...133
002367.04 - Left Turn Switch Short to Ground...133
002368.03 - Left Turn Light Short to Power...133
002368.06 - Left Turn Light Short to Ground...133
002369.04 - Right Turn Switch Short to Ground...133
002370.03 - Right Turn Light Short to Power...133
002370.06 - Right Turn Light Short to Ground...133
002378.03 - Marker/Tail Lights Short to Power...133
002378.06 - Marker/Tail Lights Short to Ground...133
002386.03 - Beacon Light Short to Power...133
002386.06 - Beacon Light Short to Ground...133
002875.04 - Hazard Wakeup Short to Ground...133
002876.04 - Clear Flashers Switch Short to Ground...133
003359.01 - Gearbox Oil Filter Restricted...133
003359.03 - Gearbox Oil Filter Short to Power...133
003509.04 - Sensor Supply 1 Voltage Low...133
003510.04 - Sensor Supply 2 Voltage Low...133
003511.04 - Sensor Supply 3 Voltage Low...133
004003.04 - Engine Lockout Switch Short to Ground...133
516173.03 - Bucket Curl Valve-2...133
516173.05 - Bucket Curl Valve-2...133
516173.06 - Bucket Curl Valve-2...133
516173.16 - Bucket Curl Valve-2...134
516173.18 - Bucket Curl Valve-2...134
516787.03 - Bucket Dump Valve-2...134
516787.05 - Bucket Dump Valve-2...134
516787.06 - Bucket Dump Valve-2...134
516787.16 - Bucket Dump Valve-2...134
516787.18 - Bucket Dump Valve-2...134
516788.03 - Boom Lower Valve-2...134
516788.05 - Boom Lower Valve-2...134
516788.06 - Boom Lower Valve-2...134
516788.16 - Boom Lower Valve-2...134
516788.18 - Boom Lower Valve-2...134
516789.03 - Boom Raise Valve-2...134
516789.05 - Boom Raise Valve-2...134
516789.06 - Boom Raise Valve-2...134
516789.16 - Boom Raise Valve-2...134
516789.18 - Boom Raise Valve-2...134
520194.02 - Vehicle Identification Fault...134
520489.03 - Right Pump Short to Power...134
520489.05 - Right Pump Open Circuit...134
520489.06 - Right Pump Short to Ground...134
520489.16 - Right Pump Low Side Short to Ground...134
520489.18 - Right Pump Low Side Short to Power...134
520652.03 - Bucket Curl Top Short to Power...134
520652.05 - Bucket Curl Top Open Circuit...134
520652.06 - Bucket Curl Top Short to Ground...134
520652.16 - Bucket Curl Top Low Side Short to Ground...134
520652.18 - Bucket Curl Top Low Side Short to Power...134
520653.03 - Bucket Dump Top Short to Power...134
520653.05 - Bucket Dump Top Open Circuit...134
520653.06 - Bucket Dump Top Short to Ground...134
520653.16 - Bucket Dump Top Low Side Short to Ground...134
520653.18 - Bucket Dump Top Low Side Short to Power...134
520835.01 - Axle Cooling Filter MT3 Restricted...135
520835.03 - Axle Cooling Filter MT3 Short to Power...135
520838.01 - Axle Cooling Filter MT2 Restricted...135
520838.03 - Axle Cooling Filter MT2 Short to Power...135
521197.04 - Platform Light Switch Short to Ground...135
521197.18 - Platform Light Switch Short to Ground...135
521379.00 - Hydraulic Tank Pressure High...135
521379.03 - Hydraulic Tank Pressure Short to Power...135
521379.04 - Hydraulic Tank Pressure Open or Short...135
521379.31 - Hydraulic Tank Pressure Low...135
521486.04 - Lube Tank High Level Switch Short to Ground...135
521490.04 - Lube Tank Level Short to Ground...135
521490.05 - Lube Tank Level Open Circuit...135
521492.03 - Lube Tank Pressure Short to Power...135
521492.04 - Lube Tank Pressure Open or Short to Ground...135
521492.16 - Auto-Lube Pressure High...135
521492.18 - Auto-Lube Pressure Low...135
521493.03 - Auto Lube Solenoid Short to Power...135
521493.05 - Auto Lube Solenoid Open Circuit...135
521493.06 - Auto Lube Solenoid Short to Ground...135
521891.01 - Axle Cooling Filter MT1 Restricted...135
521891.03 - Axle Cooling Filter MT1 Short to Power...135
521922.00 - MT3 Axle Oil Temperature High...135
521922.04 - Axle Cooling Temp Sensor MT3 Short to Ground...135
521922.05 - Axle Cooling Temp Sensor MT3 Open Circuit...135
521923.00 - MT2 Axle Oil Temperature High...135
521923.04 - Axle Cooling Temp Sensor MT2 Short to Ground...135
521923.05 - Axle Cooling Temp Sensor MT2 Open Circuit...135
521924.00 - MT1 Axle Oil Temperature High...135
521924.04 - Axle Cooling Temp Sensor MT1 Short to Ground...135
521924.05 - Axle Cooling Temp Sensor MT1 Open Circuit...135
521948.02 - Engine Tier Level Invalid...135
522054.03 - Right Platform Lights Short to Power...135
522054.05 - Right Platform Lights Open Circuit...136
522054.06 - Right Platform Lights Short to Ground...136
522141.03 - Left Pump Short to Power...136
522141.05 - Left Pump Open Circuit...136
522141.06 - Left Pump Short to Ground...136
522141.16 - Left Pump Low Side Short to Ground...136
522141.18 - Left Pump Low Side Short to Power...136
522281.03 - Axle Cooling On-Off Valve-1 Short to Power...136
522281.05 - Axle Cooling On-Off Valve-1 Open Circuit...136
522281.06 - Axle Cooling On-Off Valve-1 Short to Ground...136
522341.03 - Heated Mirror Short to Power...136
522341.05 - Heated Mirror Open Circuit...136
522341.06 - Heated Mirror Short to Ground...136
522426.04 - Rear Wiper Park Short to Ground...136
522427.04 - Front Wiper Park Short to Ground...136
522432.05 - Rear Wiper Hi-Spd Open Circuit...136
522432.06 - Rear Wiper Hi-Spd Short to Ground...136
522433.03 - Rear Wiper Lo-Spd Short to Power...136
522433.05 - Rear Wiper Lo-Spd Open Circuit...136
522433.06 - Rear Wiper Lo-Spd Short to Ground...136
522434.05 - Front Wiper Lo-Spd Open Circuit...136
522434.06 - Front Wiper Lo-Spd Short to Ground...136
522435.03 - Front Wiper Hi-Spd Short to Power...136
522435.05 - Front Wiper Hi-Spd Open Circuit...136
522435.06 - Front Wiper Hi-Spd Short to Ground...136
522436.03 - Bucket Position Sensor Short to Power...136
522436.04 - Bucket Position Sensor Open or Short to Ground...136
522436.13 - Bucket Position Sensor...136
522543.03 - Boom Rod End Press. Open or Short to Power...136
522543.04 - Boom Rod End Press. Short to Ground...136
522544.03 - Boom Head End Press. Open or Short to Power...136
522544.04 - Boom Head End Press. Short to Ground...136
522620.03 - Vehicle Horn Short to Power...136
522620.05 - Vehicle Horn Open Circuit...137
522620.06 - Vehicle Horn Short to Ground...137
522796.03 - Rear Washer Pump Short to Power...137
522796.05 - Rear Washer Pump Open Circuit...137
522796.06 - Rear Washer Pump Short to Ground...137
522797.03 - Front Washer Pump Short to Power...137
522797.05 - Front Washer Pump Open Circuit...137
522797.06 - Front Washer Pump Short to Ground...137
523010.03 - Bucket Cylinder Head End Pressure Sensor Short to Power...137
523010.04 - Bucket Cylinder Head End Pressure Sensor Open or Short to Ground...137
523011.03 - Bucket Cylinder Rod End Pressure Sensor Short to Power...137
523011.04 - Bucket Cylinder Rod End Pressure Sensor Open or Short to Ground...137
523137.03 - Steering Pressure Sensor Short to Power...137
523137.04 - Steering Pressure Switch Short to Ground...137
523137.12 - Steering Pressure Sensor Invalid...137
523326.13 - EH Control Out of Calibration...137
523411.03 - Boom Lower Valve-1 Short to Power...137
523411.05 - Boom Lower Valve-1 Open Circuit...137
523411.06 - Boom Lower Valve-1 Short to Ground...137
523411.16 - Boom Lower Valve-1 Low Side Short to Ground...137
523411.18 - Boom Lower Valve-1 Low Side Short to Power...137
523414.03 - Boom Raise Valve-1 Short to Power...137
523414.05 - Boom Raise Valve-1 Open Circuit...137
523414.06 - Boom Raise Valve-1 Short to Ground...137
523414.16 - Boom Raise Valve-1 Low Side Short to Ground...137
523414.18 - Boom Raise Valve-1 Low Side Short to Power...137
523440.04 - Unswitched Power Voltage Low...137
523577.03 - Secondary Steering Pump Short to Power...137
523577.05 - Secondary Steering Pump Open Circuit...137
523577.06 - Secondary Steering Pump Short to Ground...137
523756.03 - Front Work Lights Short to Power...137
523756.05 - Front Work Lights Open Circuit...137
523756.06 - Front Work Lights Short to Ground...137
523757.03 - Left Platform Lights Short to Power...138
523757.05 - Left Platform Lights Open Circuit...138
523757.06 - Left Platform Lights Short to Ground...138
523778.03 - Axle Cooling On-Off Valve-2 Short to Power...138
523778.05 - Axle Cooling On-Off Valve-2 Open Circuit...138
523778.06 - Axle Cooling On-Off Valve-2 Short to Ground...138
523786.03 - Boom Position Short to Power...138
523786.04 - Boom Position Short to Ground...138
523786.13 - Boom Position Sensor...138
523919.03 - Front Cab Light Short to Power...138
523919.05 - Front Cab Light Open Circuit...138
523919.06 - Front Cab Light Short to Ground...138
523948.03 - Ride Control Valve-1 Short to Power...138
523948.05 - Ride Control Valve-1 Open Circuit...138
523948.06 - Ride Control Valve-1 Short to Ground...138
523949.03 - Ride Control Valves 2-3 Short to Power...138
523949.05 - Ride Control Valves 2-3 Open Circuit...138
523949.06 - Ride Control Valves 2-3 Short to Ground...138
523950.03 - Ride Control Valves 4-5 Short to Power...138
523950.05 - Ride Control Valves 4-5 Open Circuit...138
523950.06 - Ride Control Valves 4-5 Short to Ground...138
524044.01 - Axle Cooling Filter MT4 Restricted...138
524044.03 - Axle Cooling Filter MT4 Short to Power...138
524088.03 - Axle Cooling Valve Short to Power...138
524088.05 - Axle Cooling Valve Open Circuit...138
524088.06 - Axle Cooling Valve Short to Ground...138
524088.16 - Axle Cooling Valve Low Side Short to Ground...138
524088.18 - Axle Cooling Valve Low Side Short to Power...138
524089.03 - Left Pump Pressure Short to Power...138
524089.04 - Left Pump Pressure Open or Short to Ground...138
524090.03 - Right Pump Pressure Short to Power...138
524090.04 - Right Pump Pressure Open or Short to Ground...138
Group 40: Sealed Switch Module (OC3) Diagnostic Trouble Codes...138
Sealed Switch Module (SSM) Diagnostic Trouble Codes...876
000629.12 - SSM Watchdog Time Out...139
002033.09 - CAN Communication Lost For VCU...139
002634.04 - SSM Ignition Relay Short to Ground...139
002634.05 - SSM Ignition Relay Open Circuit...139
520752.04 - Heated Mirrors Keypad Stuck...139
520752.09 - Lost Heated Mirrors LED Message...139
520753.04 - Front Washer Keypad Stuck...139
520753.09 - Lost Front Washer LED Message...139
520754.04 - Front Wiper Keypad Stuck...139
520754.09 - Lost Front Wiper LED Message...139
520755.04 - Drive Lights Keypad Stuck...139
520755.09 - Lost Drive Lights LED Message...139
523335.04 - Work Lights Keypad Stuck...139
523335.09 - Lost Work Lights LED Message...139
523336.04 - Rear Wiper Keypad Stuck...139
523336.09 - Lost Rear Wiper LED Message...139
523338.04 - Rear Washer Keypad Stuck...139
523338.09 - Lost Rear Washer LED Message...139
523339.04 - Throttle Up Keypad Stuck...139
523339.09 - Lost Throttle Up LED Message...139
523340.04 - Throttle Down Keypad Stuck...139
523340.09 - Lost Throttle Down LED Message...139
523849.04 - Air Condition Keypad Stuck...139
523849.09 - Lost Air Condition LED Message...139
523850.04 - Platform Lights Keypad Stuck...139
523850.09 - Lost Platform Lights LED Message...139
523852.04 - Rimpull Control Keypad Stuck...139
523852.09 - Lost Rimpull Control LED Message...139
523854.04 - Performance Mode Keypad Stuck...139
523854.09 - Lost Performance Mode LED Message...139
523855.04 - Return to Carry Keypad Stuck...139
523855.09 - Lost Return To Carry LED Message...139
523856.04 - Boom Height Kickout Keypad Stuck...140
523856.09 - Lost Boom Height Kickout LED Message...140
523857.04 - Coast Control Keypad Stuck...140
523857.09 - Lost Coast Control LED Message...140
523858.04 - Ride Control Keypad Stuck...140
523858.09 - Lost Ride Control LED Message...140
523860.04 - Automatic Transmission Mode Keypad Stuck...140
523860.09 - Lost Automatic Transmission Mode LED Message...140
523861.04 - Return to Dig Keypad Stuck...140
523861.09 - Lost Return to Dig LED Message...140
523862.04 - Park Brake Keypad Stuck...140
523862.09 - Lost Park Brake LED Message...140
523863.04 - Pilot Enable Keypad Stuck...140
523863.09 - Lost Pilot Enable LED Message...140
523864.04 - Hazards Keypad Stuck...140
523864.09 - Lost Hazard LED Message...140
523865.04 - Beacon Light Keypad Stuck...140
523865.09 - Lost Beacon LED Message...140
523867.04 - Ignition Off Keypad Stuck...140
523867.09 - Lost Ignition Off LED Message...140
523868.04 - Ignition On Keypad Stuck...140
523868.09 - Lost Ignition On LED Message...140
Group 50: Rear Object Detection (ROD) Diagnostic Trouble Codes...934
Rear Object Detection (ROD) Diagnostic Trouble Codes...934
000896.12 - ROD Sensor Failure...140
Group 60: Tire Pressure Monitoring (TPM) Diagnostic Trouble Codes...140
Tire Pressure Monitoring (TPM) System Diagnostic Trouble Codes...937
000108.12 - Ambient Pressure Fault...140
000241.01 - 2nd Level Alarm Low Pressure...140
000241.16 - 1st Level Alarm High Pressure...140
000241.18 - 1st Level Alarm Low Pressure...140
000242.16 - Tire High Temp...140
000929.12 - Sensor Fault REPLACE...140
000929.31 - Memory Error...141
001697.04 - TPM Sensor Low Battery...141
Group 70: Motor Inverter (MT1) Diagnostic Trouble Codes...141
Electric Drive Motor Inverter 1 (MT1) Diagnostic Trouble Codes...961
000161.31 - Transmission Invalid Accel...141
000168.03 - Battery Voltage High...141
000168.04 - Unswitched Power Low...141
000628.31 - Inverter Memory Error...141
000629.12 - Controller Reset...141
000697.09 - DSP PWM Invalid...141
002003.09 - CAN Comm Lost for TCU...141
Section 9005: Operational Checkout Procedure...2079
Group 10: Operational Checkout Procedure...2079
Operational Checkout Procedure...2079
Section 9010: Engine...2111
Group 05: Theory of Operation...2111
John Deere Engine Theory of Operation...2114
Cold Start Aid System Theory of Operation—If Equipped...2115
Fast Fill Fuel System Theory of Operation—If Equipped...2117
Group 10: System Diagrams...2111
John Deere Engine Component Location...2120
Engine Cooling System Component Location...2121
Engine Fuel System Component Location...2122
Engine Intake and Exhaust Component Location...2124
Group 15: Diagnostic Information...2111
John Deere Engine Diagnostic Information...2127
Engine Cranks/Will Not Start...2111
Engine Misfires/Runs Irregularly...2111
Engine Does Not Develop Full Power...2111
Engine Emits Excessive White Exhaust Smoke...2111
Engine Emits Excessive Black or Gray Exhaust Smoke...2111
Engine Will Not Crank...2111
Engine Idles Poorly...2111
Abnormal Engine Noise...2111
Low-Pressure Fuel System Check...2111
High-Pressure Fuel System Check...2111
Excessive Fuel Consumption...2111
Fuel in Oil...2111
Fast Fill Fuel System Underfill—If Equipped...2111
Fast Fill Fuel System Overfill—If Equipped...2111
Fast Fill Fuel System Nozzle Leaks at Receiver—If Equipped...2111
Group 20: Adjustments...2111
John Deere Engine Adjustments...2162
Service Filter Cleaning...2163
Group 25: Tests...2111
John Deere Engine Tests...2165
Fluid Sampling Procedure...2166
Engine Idle Speeds and Auto-Shutdown Check...2171
Exhaust Emissions Test Point...2173
Section 9015: Electrical System...2175
Group 05: Theory of Operation...2175
Start and Charge Circuits Theory of Operation...2185
Vehicle Control Unit (VCU) Circuit Theory of Operation...2190
Transmission Control Unit (TCU) Circuit Theory of Operation...2197
Controller Area Network (CAN) Circuit Theory of Operation...2201
Cold Start Aid Circuit Theory of Operation...2210
Engine Control Unit (ECU) Circuit Theory of Operation...2213
Exhaust Aftertreatment Circuit Theory of Operation...2227
Power Train Cooling Circuit Theory of Operation...2235
Park Brake Circuit Theory of Operation...2239
Service Brake Light and Brake Accumulator Circuits Theory of Operation...2242
Turn Lights and Four-Way Hazard Lights Circuits Theory of Operation...2244
Machine Lights and Rotating Beacon Circuits Theory of Operation...2247
Engine Compartment Light Circuit Theory of Operation...2253
Propulsion Control Circuit Theory of Operation...2255
Rimpull Control Circuit Theory of Operation...2260
Coast Control Circuit Theory of Operation...2263
Horn Circuit Theory of Operation...2267
Electrohydraulic (EH) Control Circuit Theory of Operation...2269
Windshield Wipers and Washers Circuit Theory of Operation...2274
Air Conditioner and Heater Circuit Theory of Operation...2278
Auto-Idle and Auto-Shutdown Circuit Theory of Operation...2280
Primary Display Unit (PDU) Circuit Theory of Operation...2284
Hydraulic Fan Control Circuit Theory of Operation...2287
JDLink™ Circuit Theory of Operation...2292
Heated Mirrors Circuit Theory of Operation—If Equipped...2295
Rear Object Detection (ROD) Circuit Theory of Operation—If Equipped...2297
Tire Pressure Monitoring (TPM) System Circuit Theory of Operation—If Equipped...2300
Ride Control Circuit Theory of Operation—If Equipped...2303
Auto-Lube Circuit Theory of Operation—If Equipped...2305
Secondary Steering Circuit Theory of Operation—If Equipped...2309
Group 10: System Diagrams...2175
Electrical Diagram Information...2314
Electrical Schematic Symbols...2317
Fuse and Relay Specifications...2319
System Functional Schematic, Wiring Diagram, and Component Location Master Legend...2322
System Functional Schematic...2335
Power and Ground Cables (W1) Component Location...2346
Loader Frame Harness (W2) Component Location...2349
Loader Frame Harness (W2) Wiring Diagram...2351
Load Center Harness (W3) Component Location...2354
Load Center Harness (W3) Wiring Diagram...2356
Engine Frame Harness (W5) Component Location...2363
Engine Frame Harness (W5) Wiring Diagram...2366
Engine Harness (W6) Component Location...2370
Engine Harness (W6) Wiring Diagram...2372
Engine Application Harness (W7) Component Location...2375
Engine Application Harness (W7) Wiring Diagram...2376
Engine Auxiliary Harness (W8) Component Location...2377
Engine Auxiliary Harness (W8) Wiring Diagram...2379
Aftertreatment Harness (W9) Component Location...2380
Aftertreatment Harness (W9) Wiring Diagram...2381
Starter and Alternator Harness (W10) Component Location...2382
Starter and Alternator Harness (W10) Wiring Diagram...2383
Bucket Position Sensor Harness (W11) Component Location...2384
Bucket Position Sensor Harness (W11) Wiring Diagram...2385
Rear Frame Harness (W13) Component Location...2386
Rear Frame Harness (W13) Wiring Diagram...2388
Auto-Lube Pressure Harness (W14) Component Location—If Equipped...2389
Auto-Lube Pressure Harness (W14) Wiring Diagram—If Equipped...2390
Auto-Lube Harness (W15) Component Location—If Equipped...2391
Auto-Lube Harness (W15) Wiring Diagram—If Equipped...2392
Baffle Harness (W16) Component Location...2393
Baffle Harness (W16) Wiring Diagram...2394
Crankshaft Position Sensor Harness (W17) Component Location...2396
Crankshaft Position Sensor Harness (W17) Wiring Diagram...2397
Cab Roof Harness (W19) Component Location...2398
Cab Roof Harness (W19) Wiring Diagram...2400
Heater and Air Conditioner Harness (W20) Component Location...2401
Heater and Air Conditioner Harness (W20) Wiring Diagram...2403
Camera Jumper Harness (W21) Component Location—If Equipped...2404
Camera Jumper Harness (W21) Wiring Diagram—If Equipped...2405
Joystick Steering Harness (W22) Component Location...2406
Joystick Steering Harness (W22) Wiring Diagram...2408
Radio Harness (W23) Component Location...2410
Radio Harness (W23) Wiring Diagram...2411
Secondary Steering Harness (W30) Component Location—If Equipped...2412
Secondary Steering Harness (W30) Wiring Diagram—If Equipped...2413
Tire Pressure Monitoring (TPM) Harness (W35) Component Location—If Equipped...2414
Tire Pressure Monitoring (TPM) Harness (W35) Wiring Diagram—If Equipped...2416
Vehicle Control Unit (VCU) Power Cable (W42) Component Location...2417
Vehicle Control Unit (VCU) Power Cable (W42) Wiring Diagram...2418
Transmission Control Unit (TCU) Power Cable (W43) Component Location...2419
Transmission Control Unit (TCU) Power Cable (W43) Wiring Diagram...2420
Front Electric Drive Motor Harness (W44) Component Location...2421
Front Electric Drive Motor Harness (W44) Wiring Diagram...2423
Rear Electric Drive Motor Harness (W45) Component Location...2424
Rear Electric Drive Motor Harness (W45) Wiring Diagram...2426
Front Axle Extension Harness (W46) Component Location...2427
Front Axle Extension Harness (W46) Wiring Diagram...2428
Cabinet Harness (W47) Component Location...2430
Cabinet Harness (W47) Wiring Diagram...2432
Auxiliary Radio Input Harness (W50) Component Location...2436
Auxiliary Radio Input Harness (W50) Wiring Diagram...2437
Satellite (SAT) Radio Harness (W52) Component Location...2438
Satellite (SAT) Radio Harness (W52) Wiring Diagram...2439
Satellite (SAT) Harness (W6003) Component Location...2440
Satellite (SAT) Harness (W6003) Wiring Diagram...2441
Group 15: Diagnostic Information...2178
Programming Controllers With Service ADVISOR™ Diagnostic Application...2444
Service ADVISOR™ Diagnostic Application...2444
Service ADVISOR™ Connection Procedure...2445
Service ADVISOR™ Remote (SAR) Connection Procedure...2448
Reading Diagnostic Trouble Codes With Service ADVISOR™ Diagnostic Application...2451
Intermittent Diagnostic Trouble Code (DTC) Diagnostics...2453
Electrohydraulic Diagnostics...2454
Diagnostic Trouble Codes—After Machine Repair...2459
JDLink™ Connection Procedure...2460
TPM—SmartWave® Advanced Maintenance Tool Diagnostics...2461
Group 16: Monitor Operation...2178
Service Mode...2464
Operation—Fan Speed...2466
Operation—Exhaust Filter Service Cleaning...2467
Operation—Exhaust Filter Auto Cleaning Settings...2468
Diagnostics—Clear Stored Diagnostic Trouble Codes (DTCs)...2469
Diagnostics—Software Delivery Settings...2470
Diagnostics—Electric Drive Motor Spin Diagnostics...2621
Diagnostics—Final Drive Sensors...2472
Diagnostics—Hydraulic Sensors...2473
Diagnostics—Machine Sensors...2475
Diagnostics—Auto Lube—If Equipped...2476
Diagnostics—Park Brake Test...2741
Setup—Menu Access...2478
Setup—Machine Preferences...2479
Setup—Factory Defaults...2481
Setup—Demo Mode...2482
Setup—Store Demo Settings...2483
Setup—Enable Options...2484
Setup—Maximum High Range...2485
Setup—Tire Pressure Monitoring—If Equipped...2486
Setup—Calibration...2487
Group 17: Diagnostic Test Box...2179
Setup and Functional Test...2498
Two Wire Sensor Circuit Check—Out of Range High...2507
Two Wire Sensor Circuit Check—Out of Range Low...2509
Three Wire Sensor Circuit Check—Out of Range High...2511
Three Wire Sensor Circuit Check—Out of Range Low...2513
Group 20: Adjustments...2179
Boom Height Kickout (BHKO) Adjustment...2516
Return-to-Carry (RTC) Adjustment...2517
Return-to-Dig (RTD) Adjustment...2518
Reset Boom and Bucket Position Values...2519
Hydraulic Pump Calibration...2521
Fan Calibration...2523
Articulation Calibration...2525
TPM—Activating Tire Pressure Monitoring System...2526
TPM—Programming Sensors With SmartWave® Advanced Maintenance Tool...2527
TPM—Programming Using Sensor Identification Numbers...2530
TPM—Cold Inflation Pressure Setup...2532
TPM—Alarm Setup...2533
TPM—Delete Sensors...2535
Group 25: Tests...2179
Electrical Component Specifications...2548
Accelerator and Brake Pedal Sensor Check...2560
CAN Circuit Test...2562
Alternator Test...2568
Connector Terminal Test...2570
Section 9019: Electric Drive System...2573
Group 05: Theory of Operation...2573
Inverter Theory of Operation...2586
Brake Resistor Theory of Operation...2598
Inverter Coolant Pump (ICP) Theory of Operation...2600
Group 10: System Diagrams...2573
Electric Drive System Component Location...2606
Inverter Cooling System Component Location...2610
Electric Drive Motor and Final Drive Cooling Circuit Component Location...2612
Electric Drive Generators and Gear Case Cooling Circuit Component Location...2616
Group 15: Diagnostic Information...2573
Motor Spin Diagnostics...2621
Group 20: Adjustments...2573
Inverter Sensor Calibration...2626
Group 25: Tests...2573
Prepare Electric Drive System for Service...2637
Electric Drive System Isolation Test...2646
Section 9020: Power Train...2664
Group 05: Theory of Operation...2664
Power Train Operation...2667
Final Drive Operation...2668
Electric Drive Generator and Gear Case Cooling Operation...2898
Electric Drive Motor and Final Drive Cooling Operation...2897
Park Brake and Service Brake Operation...2677
Group 10: System Diagrams...2664
Power Train Component Location...2682
Power Train Cooling System Component Location...2683
Group 15: Diagnostic Information...2664
Machine Will Not Move in Either Direction...2664
Park Brakes Dragging During Machine Towing...2664
One Wheel Will Not Spin...2664
Machine Power and Acceleration Low...2664
Gear Case or Electric Drive Generator Overheats...2664
Axle Cooling Circuit Overheats...2664
Axle Cooling Pressure Low...2704
Axle Seal Leaking...2664
Excessive Amounts of Oil Exiting Air Breather...2664
Axle Oil Contaminated by Hydraulic Oil...2664
Service Brakes Poor or Do Not Apply...2664
Service Brakes Aggressive...2664
Service Brakes Lock Up...2664
Service Brakes Chatter...2664
Service Brake Warning Light On...2664
Park Brake Will Not Apply...2664
Park Brakes Will Not Release...2726
Group 20: Adjustments...2664
Service Brake Bleeding Procedure...2730
Group 25: Tests...2664
Power Train Oil Sampling Procedure...2733
Power Train Oil Warm-Up Procedure...2734
Final Drive Drag Test...2735
Park Brake Pressure Test...2738
Park Brake Test...2741
Park Brake System Leakage Test...2742
Park Brake Valve Leakage Test...2748
Park Brake Pressure Relief Valve Test...2756
Park Brake Piston Leakage Test...2762
Gear Case Cooling Pump Flow and Relief Pressure Test...2769
Generator Cooling Test...2775
Gear Case Cooling and Gear Case Oil Cooler Test...2780
Axle Cooling Motor Case Drain Test...2789
Axle Cooling Pump and Axle Oil Cooler Test...2790
Final Drive and Electric Drive Motor Restriction Test...2797
Axle Oil Cooler Restriction Test...2804
Section 9022: Pneumatic System...2805
Group 05: Theory of Operation...2805
Pneumatic System Operation...2809
Group 10: System Diagrams...2805
Pneumatic System Schematic...2813
Pneumatic System Component Location...2814
Group 15: Diagnostic Information...2805
Hydraulic Reservoir Air Pressure Below Normal...2818
Hydraulic Reservoir Air Pressure Above Normal...2820
Group 25: Tests...2805
Pneumatic System Test...2828
Hydraulic Reservoir Pressure Sensor Test...2834
Rear Axle Air Breather Restriction Test...2836
Section 9025: Hydraulic System...2838
Group 05: Theory of Operation...2838
Hydraulic System Operation...2843
Loader System Operation...2844
Boom System Operation...2845
Bucket System Operation...2856
Inlet Relief Valve Operation...2868
Anticavitation Valve Operation...2870
Circuit Relief Valve Operation...2871
Loader Pump Operation...2873
Ride Control Operation—If Equipped...2879
Pilot System Operation...2885
Service Brake System Operation...2888
Park Brake System Operation...2891
Auto-Lube System Operation—If Equipped...2894
Electric Drive Motor and Final Drive Cooling Operation...2897
Electric Drive Generator and Gear Case Cooling Operation...2898
Steering System Operation...2899
Steering Pilot Controller Operation...2906
Steering Neutralizer Valve Operation...2908
Secondary Steering System Operation—If Equipped...2910
Hydraulic Standard Fan Operation...2912
Hydraulic Reversing Fan Operation—If Equipped...2915
Hydraulic Fan Pump Operation...2920
Hydraulic Oil Filtration System Operation...2922
Hydraulic Oil Filter Operation...2925
Group 10: System Diagrams...2838
Hydraulic Schematic Master Legend...2936
Hydraulic System Schematic...2943
Hydraulic System Component Location...2952
Auto-Lube System Component Location...2960
Hydraulic System Test Connections, Ports, and Locations...2962
Group 15: Diagnostic Information...2839
No Hydraulic Functions...2839
One Hydraulic Function Not Working...2839
Loader Function Slow...2839
Boom Float Function Not Working...2839
Boom Down Does Not Work (Engine Off)...2839
Loader Function Drifts Down or Up...2839
Ride Control Not Working...2839
Hydraulic Pump Noisy...2839
Hydraulic Oil Overheats...2839
Auto-Lube System Diagnostic Information—If Equipped...2994
Constant Steering Required to Maintain Direction of Travel...2839
No Steering...2839
Machine Articulates in Only One Direction...2839
Steering Slow or Erratic...2839
Machine Articulates Without Pilot Controller Movement...2839
Machine Forcefully Hits Frame at Full Articulation...2839
Machine Articulates in Opposite Direction as Commanded...2839
Hydraulic Fan Does Not Reach Full Speed...2839
Hydraulic Fan Runs Only at Full Speed...2839
Hydraulic Fan Does Not Spin...2839
Hydraulic Fan Will Not Reverse Direction—If Equipped...2839
Group 20: Adjustments...2839
Steering Neutralizer Stop Adjustment...3026
Steering Pilot Controller Adjustment...3028
Ride Control Accumulator Gas Charge Procedure—If Equipped...3029
Ride Control Accumulator Draining Procedure...3033
Auto-Lube Injector Adjustment—If Equipped...3035
Auto-Lube System Bleeding Procedure—If Equipped...3038
Group 25: Tests...2839
Hydraulic Oil Sampling Procedure...3042
Hydraulic Oil Warm-Up Procedure...3043
Vacuum Pump Installation...3044
Hydraulic System Pressure and Accumulators Discharge...3045
Ride Control Accumulator Hydraulic Pressure Measurement...3047
JT02156A Digital Pressure and Temperature Analyzer Kit Installation...3050
Hydraulic Components Case Drain Test...3051
Loader Pump Flow Test...3056
Loader Pump Case Drain Test...3057
Loader Pump Cut-Off Pressure Test and Adjustment...3058
Loader Valve Leakage Test...3062
Valve Test Block Procedure...3069
Ride Control Valve Test—If Equipped...3072
Pilot Pump Pressure Test...3077
Pilot Pump Control Test and Adjustment...3079
Pilot Pump Flow Test...3085
Pilot Pump Case Drain Test...3086
Pilot Accumulator Gas Precharge Test...3087
Secondary Pilot Pressure Reducing Valve Test...3089
Loader Cylinder Drift Test...3093
Loader Cylinder Leakage Test...3099
Hydraulic Oil Cooler Restriction Test...3106
Steering Pilot Pressure Test and Adjustment...3111
Steering Pilot Enable Solenoid Valves Test...3114
Steering Pump Control Test and Adjustment...3116
Steering Pump Flow Test...3122
Steering Pump Case Drain Test...3123
Steering Neutralizer Valve Test...3124
Steering Pilot Controller Test...3127
Steering Circuit Relief Valve Pressure Test...3131
Steering Valve Leakage Test...3136
Steering Cylinder Leakage Test...3140
Steering Cylinder Drift Test...3145
Secondary Steering Relief Valve Test...3146
Steering Pump Check Valve Test—If Equipped...3153
Secondary Steering Pump Check Valve Test—If Equipped...3159
Cycle Time Test...3164
Service Brake Accumulator Gas Precharge and Low Brake Pressure Warning Test...3165
Service Brake Valve Pressure Test...3170
Service Brake Valve Leakage Test...3174
Service Brake Accumulator Inlet Check Valve Leakage Test...3178
Hydraulic Fan Pressure Test...3180
Hydraulic Fan Pump Control Test and Adjustment...3185
Hydraulic Fan Motor Speed Test...3186
Hydraulic Fan Pump Flow Test...3188
Hydraulic Fan Pump Case Drain Test...3196
Hydraulic Fan Motor Case Drain Test...3197
Hydraulic Reversing Fan Test—If Equipped...3198
Hydraulic Oil Filter Inspection Procedure...3200
Section 9031: Heating and Air Conditioning...3201
Group 05: Theory of Operation...3201
Air Conditioning System Cycle of Operation...3204
Group 10: System Diagrams...3201
Air Conditioner and Heater Component Location...3208
Group 15: Diagnostic Information...3201
Air Conditioning System Does Not Operate...3201
Air Conditioning Does Not Cool Interior of Cab...3201
Air Conditioning Runs Constantly, Too Cold...3201
Heating System Does Not Operate...3201
Heater Does Not Warm Interior of Cab...3201
Interior Windows Continue to Fog...3201
Group 25: Tests...3201
R134a Refrigerant Cautions and Proper Handling...3239
R134a Oil Charge Capacity...3240
R134a Refrigerant Charge Capacity...3241
Heater and Air Conditioner Operational Checks...3242
Air Conditioner Compressor Clutch Test...3245
R134a Refrigerant Leak Test...3246
R134a Refrigerant Hoses and Tubing Inspection...3247
Air Conditioner High/Low-Pressure Switch Test...3248
Air Conditioner Freeze Control Switch Test...3251
Air Conditioning System Test...3253
Operating Pressure Diagnostic Chart...3256
John Deere 944K Hybrid 4WD Loader Diagnosis and Test Service Technical Manual (TM14317X19)
