John Deere 6020 6120 6220 6320 6420 6420S 6520 6620 6820 6920 6920S SE Tractor Diagnostics Workshop Repair Service Manual PDF (TM4726) - MJODTM4726.zip
The Complete Diagnostics Technical Manual covers John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors. This is the very same manual that dealer technicians rely on, and it comes guaranteed to be complete, fully working, and free of any omitted pages.
The Technical Manual for John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920, 6920S & SE Tractors is organized into separate sections, each devoted to a particular system or component and packed with detailed illustrations. A table of contents opens every section, letting you locate pages by category with ease, while each page can be zoomed in for close-up detail. The PDF files print cleanly and perform flawlessly on any type of device.
tm4726 - 6020 to 6920S Tractors Diagnostics Technical Manual.pdf
TM4726 - John Deere 6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 & 6920S & SE Tractors Technical Manual (Diagnostics).epub
Total Pages: 1,642 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality) & EPUB/MOBI/AZW for Kindle/iPad/iPhone/Android.
Language: English
For complete service information also see:
6020 to 6920S Tractors and SE Tractors Diagnostics . . TM4726
6020 to 6620 Tractors and SE Tractors Repair. . TM4750
6820, 6920 and 6920S Tractors Repair. . TM4756
Front-Wheel Drive Axles (AS and MS Series) . . CTM4687
Front-Wheel Drive Axles (700 Series) . . CTM4820
POWERTECH Engines . . CTM104
Mechanical Fuel Injection Systems . . CTM207
Electronic Fuel Injection Systems (Level 4) . . CTM170
Electronic Fuel Injection Systems (Level 1) . . CTM284
Electronic Fuel Injection Systems (Level 11). . CTM220
Electronic Fuel Injection Systems (Level 12). . CTM331
Alternators and Starting Motors . . CTM77
This diagnostics manual is valid for the following tractor types:
6020, 6120, 6220, 6320, 6420, 6420S, 6520, 6620, 6820, 6920 and 6920S.
SE tractors: 6020, 6120, 6220, 6320, 6420 and 6520.
MAIN SECTIONS
SECTION 210—GENERAL INFORMATION
Group 05—Safety Information
SECTION 211—DIAGNOSTIC TROUBLE CODES
Group ATC—ATC Diagnostic Trouble Codes
Group BCU—BCU Diagnostic Trouble Codes
Group BIF—BIF Diagnostic Trouble Codes
Group ECU—ECU Diagnostic Trouble Codes
Group EPC—EPC Diagnostic Trouble Codes
Group JDL—JDL Diagnostic Trouble Codes
Group PLC—PLC Diagnostic Trouble Codes
Group PRF—PRF Diagnostic Trouble Codes
Group SFA—SFA Diagnostic Trouble Codes
Group SIC—SIC Diagnostic Trouble Codes
Group SSU—SSU Diagnostic Trouble Codes
Group TCU—TCU Diagnostic Trouble Codes
Group TEC—TEC Diagnostic Trouble Codes
Group UIC—UIC Diagnostic Trouble Codes
SECTION 212—OBSERVABLE SYMPTOMS
Group 20—Engine
Group 40—Electrical System
Group 50—SyncroPlus Transmission
Group 51—Power Reverser Transmission
Group 53—AutoPowr/IVT Transmission
Group 55—PowrQuad, PowrQuad Plus and
AutoQuad Transmissions
Group 56—Drive Systems
Group 60—Steering and Brakes
Group 70—Hydraulic System
Group 90—Operator’s Cab
SECTION 213—SYSTEM DIAGNOSTICS
Group 45—Electronics
INDX
...
tm4726 - 6020 to 6920S Tractors Diagnostics
Table of Contents
Foreword
Version date
Section 210: GENERAL INFORMATION
Group 05: Safety Information
Recognize Safety Information
”Important” Information
”Note” Information
Prevent Machine Runaway
Handle Fluids Safely-Avoid Fires
Prevent Battery Explosions
Prepare for Emergencies
Prevent Acid Burns
Avoid High-Pressure Fluids
Service Cooling System Safely
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Work In Ventilated Area
Wear Protective Clothing
Practice Safe Maintenance
Park Machine Safely
Use Proper Lifting Equipment
Construct Dealer-Made Tools Safely
Support Machine Properly
Work in Clean Area
Illuminate Work Area Safely
Service Machines Safely
Use Proper Tools
Service Tires Safely
Service Front-Wheel Drive Tractor Safely
Safety Information - Air Brake System
Avoid Eye Contact With Radar
Keep ROPS Installed Properly
Replace Safety Signs
Dispose of Waste Properly
Live With Safety
Safety Measures on Electronic Control Units
Section 211: DIAGNOSTIC TROUBLE CODES
Group ATC: ATC Diagnostic Trouble Codes
ATC 000170.03 -Sending Unit for Inside Air Temperature, Shorted or Open Circuit
ATC 000170.04 -Sending Unit for Inside Air Temperature, Short to Ground
ATC 000171.03-Sending Units for Ambient Air Temperature, Shorted or Open Circuit
ATC 000171.04- Sending Units for Ambient Temperature, Short to Ground
ATC 000628.12-Controller, Internal Fault
ATC 000630.02-Controller, Internal Fault
ATC 000639.14-29-bit CAN BUS, High Error Rate
ATC 000871.03-Refrigerant Pressure Sending Unit, Shorted Circuit
ATC 000871.04-Refrigerant Pressure Sending Unit, Grounded or Open Circuit
ATC 000876.03-Air-Conditioning Relay, Shorted or Open Circuit
ATC 000876.04-Air-Conditioning Relay, Grounded Circuit
ATC 000876.10-Compressor Clutch Engages and Disengages Too Often
ATC 000876.14-Compressor Switches Off Due to Engine Overheating
ATC 000919.03-Solar Sensor Activated
ATC 000923.03-Driver Unit for the Fan Motors, Shorted Circuit
ATC 000923.04-Fan Motor Driver Unit, Grounded or Open Circuit
ATC 000923.12-Fan Motors, Malfunction
ATC 001079.03-5-volt Power Supply, Shorted or Open Circuit
ATC 001079.04-5-volt Power Supply, Grounded Circuit
ATC 001546.03-Potentiometer for Position of Water Valve, Shorted or Open Circuit
ATC 001546.04-Potentiometer for Water Valve Position, Grounded Circuit
ATC 001547.03-Sending Units for Evaporator Core Temperature, Shorted or Open Circuit
ATC 001547.04-Sending Unit for Evaporator Core Temperature, Short to Ground
ATC 001548.03-Sending Unit for Actual Outlet Air Temperature, Shorted or Open Circuit
ATC 001548.04-Sending Unit for Actual Outlet Air Temperature, Grounded Circuit
ATC 001549.03-Water Valve Motor, Shorted Circuit
ATC 001549.04-Water Valve Motor, Grounded Circuit
ATC 001549.07-Water Valve, Malfunction
ATC 001549.13-Water Valve Not Calibrated
ATC 001552.03-Temperature Control, Shorted or Open Circuit
ATC 001552.04-Temperature Control, Grounded Circuit
ATC 001553.03-Fan Speed Control, Shorted or Open Circuit
ATC 001553.04-Fan Speed Control, Grounded Circuit
ATC 002000.09 -Engine Control Unit is not Transmitting any Data (Coolant Temperature)
ATC 523848.03-Potentiometer for Position of Air Distribution Flaps, Shorted or Open Circuit
ATC 523848.04-Potentiometer for Position of Air Distribution Flaps, Grounded Circuit
ATC 523848.05-Adjusting Motor for Air Distribution, Shorted Circuit
ATC 523848.06-Adjusting Motor for Air Distribution, Grounded Circuit
ATC 523848.07-Air Distribution, Malfunction
ATC 523848.13-Adjusting Motor for Air Distribution, Not Calibrated
ATC 523860.03-Defog Sensor, Shorted or Open Circuit
ATC 523860.04-Defog Sensor, Grounded Circuit
ATC 523860.02-Defog Sensor, Frequency out of Valid Range
Group BCU: BCU Diagnostic Trouble Codes
BCU 000070.31-Handbrake Problem
BCU 000084.02-Wheel Speed Sender, Circuit Fault
BCU 000168.16-System Voltage Too High (Engine Running)
BCU 000168.17-System Voltage Too Low (Engine Speed Over 1500 rpm)
BCU 000168.18-System Voltage Too Low (Engine Speed up to 1500 rpm)
BCU 000186.02-Rear PTO Speed Sender, Fault in Electrical Circuit
BCU 000186.17-Rear PTO speed is not being registered
BCU 000190.02-Engine Speed Sender, Circuit Fault
BCU 000629.12-Control Unit, Internal Error
BCU 000639.12-Control Unit, Internal Error
BCU 000639.13-29-bit CAN BUS, High Error Rate
BCU 000639.14-29-bit CAN BUS (Tractor BUS), Very High Error Rate
BCU 000639.19-29-bit CAN BUS, Very High Error Rate
BCU 000746.31-Differential Lock Solenoid Valve, Circuit Fault
BCU 000980.07-Rear PTO, Switch Error
BCU 001676.31-Relay for LTC Coolant Pump, Circuit Fault
BCU 001882.02-Front PTO speed sender, fault in electrical circuit
BCU 001882.17-Front PTO Speed Not Registered
BCU 001893.07-Front PTO, Switch Error
BCU 299780.07-Malfunction at Turn-Signal Switch
BCU 302001.31-INFORMATION FOR OPERATOR: 250-Hour Service
BCU 302002.31-INFORMATION FOR OPERATOR: 500-Hour Service
BCU 302003.31-INFORMATION FOR OPERATOR: 750-Hour Service
BCU 302004.31-INFORMATION FOR OPERATOR: 1500-Hour Service
BCU 302071.31-INFORMATION FOR OPERATOR: Turn Off the Rear PTO Switch
BCU 302073.31-Rear PTO Solenoid Valve, Circuit Fault
BCU 302077.31-INFORMATION FOR OPERATOR: Sit on Seat or Turn Off the Rear PTO
BCU 302080.31-Differential Lock, Switch Error
BCU 302082.31-INFORMATION FOR OPERATOR: Actuate the Front-Wheel Drive Switch
BCU 302085.31-Front-Wheel Drive, Switch Error
BCU 302086.31-Front-Wheel Drive Clutch Solenoid Valve, Circuit Fault
BCU 302087.31-INFORMATION FOR OPERATOR: Tractor is Moving Although Handbrake is On
BCU 302088.31-INFORMATION FOR OPERATOR: Handbrake is On and a Gear is Selected
BCU 302089.31-INFORMATION FOR OPERATOR: Turn Off the Rear PTO Switch
BCU 302106.31-Control Unit, Internal Error
BCU 302120.31-Front PTO Solenoid Valve, Circuit Fault
BCU 302122.31-Air Brake Solenoid Valve, Circuit Fault
BCU 302123.31-Signal (forward - reverse) does not match the signal from the not-neutral switch
BCU 302124.31-Alternator Relay, Circuit Fault
BCU 302131.31-Fault in Turn Signal Circuit
BCU 302132.31-Hazard Warning Light Fuse(s) F03/03 and/or F03/04 is/are Blown
BCU 302133.31-Rear PTO Preselector, Switch Error
BCU 302134.31-HMS Program Switch Defective
BCU 302135.31-Rear PTO Remote Control, Switch Error Left
BCU 302136.31-Rear PTO Remote Control, Switch Error Right
BCU 302139.31-INFORMATION FOR OPERATOR: Rear PTO can now be Switched On at the Remote Control Switch
BCU 302240.31-Control Unit Connected to Wrong Wiring Harness Connector
BCU 303027.31-Calibration of Hitch Control Unit Not Successful
BCU 303028.31-Hitch control unit not calibrated
BCU 303037.03-5-Volt Power Supply Too High
BCU 303037.04-5-Volt Power Supply Too Low
BCU 303041.02-Stepper Motor Coil 1, Open Lead
BCU 303042.02-Stepper Motor Coil 2, Open Lead
BCU 303043.02-Stepper Motor Coil 1, Circuit Fault
BCU 303044.02-Stepper Motor Coil 2, Circuit Fault
BCU 303045.04-System Voltage Too Low
BCU 303047.03-System Voltage Too High
BCU 303049.02-Conflicting Signals from Quick Raise/Lower Switch and Remote Switch
BCU 303049.03-Rocker Switch for Quick Withdrawal, Signal Voltage Too High
BCU 303049.04-Rocker Switch for Quick Withdrawal, Signal Voltage Too Low
BCU 303051.03-Left Draft Sensor, Signal Voltage Too High
BCU 303051.04-Left Draft Sensor, Signal Voltage Too Low
BCU 303052.03-Right Draft Sensor, Signal Voltage Too High
BCU 303052.04-Right Draft Sensor, Signal Voltage Too Low
BCU 303053.03-Sensitivity Potentiometer, Signal Voltage Too High
BCU 303053.04-Sensitivity Potentiometer, Signal Voltage Too Low
BCU 303054.03-Hitch-Height Control Potentiometer, Signal Voltage Too High
BCU 303054.04-Hitch-Height Control Potentiometer, Signal Voltage Too Low
BCU 303055.03-Position Sensor, Signal Voltage Too High
BCU 303055.04-Position Sensor, Signal Voltage Too Low
BCU 303056.03-Raise-Limit Potentiometer, Signal Voltage Too High
BCU 303056.04-Raise-Limit Potentiometer, Signal Voltage Too Low
BCU 303057.03-Rate-of-Drop Potentiometer, Signal Voltage Too High
BCU 303057.04-Rate-of-Drop Potentiometer, Signal Voltage Too Low
BCU 303058.02-Remote Control Switch, Erroneous Signal
BCU 303060.02-Stepper Motor, Deadband Out of Specification
BCU 303177.18-Oil Temperature During Calibration Too Low
BCU 303251.02-Left Draft Sensor, Distorted Signal During Calibration
BCU 303251.03-Left Draft Sensor, Signal Voltage Too High During Calibration
BCU 303251.04-Left Draft Sensor, Signal Voltage Too Low During Calibration
BCU 303252.02-Right Draft Sensor, Distorted Signal During Calibration
BCU 303252.03-Right Draft Sensor, Signal Voltage Too High During Calibration
BCU 303252.04-Right Draft Sensor, Signal Voltage Too Low During Calibration
BCU 303255.03-Position Sensor, Signal Voltage Too High During Calibration
BCU 303255.04-Position Sensor, Signal Voltage Too Low During Calibration
BCU 303260.16-Stepper Motor, Deadband Step (Raising) is Above the Permitted Upper Threshold During Calibration
BCU 303260.18-Stepper Motor, Deadband Step (Raising) is Below the Permitted Lower Threshold During Calibration
BCU 303261.16-Stepper Motor, Deadband Step (Lowering) is Above the Permitted Upper Threshold During Calibration
BCU 303261.18-Stepper Motor, Deadband Step (Lowering) is Below the Permitted Lower Threshold During Calibration
Group BIF: BIF Diagnostic Trouble Codes
BIF 000096.03-Fuel Gauge Sender, Shorted or Open Circuit
BIF 000096.04-Fuel Gauge Sender, Grounded Circuit
BIF 000096.17-Low Fuel Level
BIF 000100.00-Engine Oil Pressure Low
BIF 000107.16-Engine Air Cleaner Clogged
BIF 000110.00-Coolant Temperature Very High
BIF 000110.03-Coolant Temperature Sender, Shorted or Open Circuit
BIF 000110.04-Coolant Temperature Sender, Short to Ground
BIF 000110.16-Coolant Temperature High
BIF 000126.15-Hydraulic Oil Filter Dirty
BIF 000126.16-Transmission/Hydraulic Oil Filter Dirty
BIF 000127.00-Transmission Oil Pressure Low
BIF 000167.16-D+ Voltage High (Engine Running)
BIF 000167.17-D+ Voltage Too Low (Engine Speed Over 1500 rpm)
BIF 000167.18-D+ Voltage Too Low (Engine Speed up to 1500 rpm)
BIF 000168.16-System Voltage Too High (Engine Running)
BIF 000168.17-System Voltage Too Low (Engine Speed Over 1500 rpm)
BIF 000168.18-System Voltage Too Low (Engine Speed Up to 1500 rpm)
BIF 000177.00-Transmission Oil Temperature Very High
BIF 000177.03-Transmission Oil Temperature Sender, Shorted or Open Circuit
BIF 000177.04-Transmission Oil Temperature Sender, Grounded Circuit
BIF 000177.16-Transmission oil temperature is high
BIF 000186.16-INFORMATION FOR OPERATOR: Warning, Rear PTO Speed
BIF 000190.02-No Signal From Engine Speed Sender
BIF 000628.02-Control Unit, Internal Error
BIF 000639.02-29-bit CAN BUS, Open Circuit
BIF 301141.31-INFORMATION FOR OPERATOR: Switch Off Worklights While Driving on Road
BIF 301143.31-INFORMATION FOR OPERATOR: Preheat Time Remaining
Group ECU: ECU Diagnostic Trouble Codes
ECU 000028.03-Cruise Control Potentiometer Input Voltage High
ECU 000028.04-Cruise Control Potentiometer Input Voltage Low
ECU 000029.03-Hand Throttle Potentiometer Input Voltage High
ECU 000029.04-Hand Throttle Potentiometer Input Voltage Low
ECU 000084.31-Vehicle Speed Mismatch
ECU 000091.03-Accelerator Pedal Potentiometer Input Voltage High
ECU 000091.04-Accelerator Pedal Potentiometer Input Voltage Low
ECU 000091.07-Hand Throttle or Accelerator Pedal Not Calibrated Correctly
ECU 000091.13-Hand Throttle or Accelerator Pedal, Calibration Interrupted
ECU 000094.01-Fuel Supply Pressure Extremely Low
ECU 000094.03-Fuel Supply Pressure Input Voltage High
ECU 000094.04-Fuel Supply Pressure Input Voltage Low
ECU 000094.10-Fuel Rail Pressure Loss Detected
ECU 000094.13-Fuel Rail Pressure Higher Than Expected
ECU 000094.17-Fuel Rail Pressure Not Developed
ECU 000094.18-Fuel Supply Pressure Moderately Low
ECU 000097.03-Input Voltage from Water-in-Fuel Sensor High
ECU 000097.04-Input Voltage from Water-in-Fuel Sensor Low
ECU 000097.16-Water In Fuel Detected
ECU 000100.01-Engine Oil Pressure Extremely Low
ECU 000100.03-Engine Oil Pressure Input Voltage High
ECU 000100.04-Engine Oil Pressure Input Voltage Low
ECU 000100.18-Engine Oil Pressure Moderately Low
ECU 000105.03-Manifold Air Temperature Input Voltage High
ECU 000105.04-Manifold Air Temperature Input Voltage Low
ECU 000105.16-Manifold Air Temperature Moderately High
ECU 000110.00-Engine Coolant Temperature Extremely High
ECU 000110.03-Engine Coolant Temperature Input Voltage High
ECU 000110.04-Engine Coolant Temperature Input Voltage Low
ECU 000110.15-Engine Coolant Temperature Slightly High
ECU 000110.16-Engine Coolant Temperature Moderately High
ECU 000158.17-ECU Power Down Error
ECU 000160.02-Wheel Speed Sensor Input Noise
ECU 000174.00-Fuel Temperature Extremely High
ECU 000174.03-Fuel Temperature Input Voltage High
ECU 000174.04-Fuel Temperature Input Voltage Low
ECU 000174.15-Fuel Temperature Slightly High
ECU 000174.16-Fuel Temperature Moderately High
ECU 000174.31-Fuel Temperature Sensor Faulty
ECU 000189.00-Engine Speed Derate