John Deere 644L 4WD Loader Workshop Repair Service Manual TM14409X19 PDF - MJODTM14409X19.zip
A fully comprehensive technical guide featuring electrical wiring schematics for the John Deere 644L 4WD Loader, packed with workshop data so you can service, troubleshoot, overhaul, and restore your machine just as a trained dealer technician would — covering Diagnostics, Operation, Testing, Repair, Servicing, and Troubleshooting.
What's contained in the John Deere 644L 4WD Loader workshop technical service manual:
* 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