John Deere Tractors 6020 To 6920S & SE Diagnostics Technical Manual – PDF DOWNLOAD
DESCRIPTION:
John Deere Tractors 6020 To 6920S & SE Diagnostics Technical Manual – PDF DOWNLOAD
For complete service information also see:
6020 to 6920S Tractors and SE Tractors
Operation and Tests . . . . . . . . . . . . . . . . . . . TM4741
6020 to 6620 Tractors and SE Tractors
Repair. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TM4750
Tractors 6820, 6920 and 6920S
Repair. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . TM4756
Front Wheel Drive Axles – AS and MS
Series . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . CTM4687
Front Wheel Drive Axles (700 Series) . . . . . CTM4820
POWERTECHâ Diesel 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
(available in English only). . . . . . . . . . . . . . . CTM77
INTRODUCTION:
Foreword :
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. This manual is written for an experienced technician. Essential tools required in performing certain service work are identified in this manual and are recommended for use. Live with safety: Read the safety messages in the introduction of this manual and the cautions presented throughout the text of the manual
TABLE OF CONTENTS:
John Deere Tractors 6020 To 6920S & SE Diagnostics Technical Manual – PDF DOWNLOAD
Contents
GENERAL INFORMATION
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
DIAGNOSTIC TROUBLE CODES
ATC Diagnostic Trouble Codes
ATC — Sending Unit for Inside Air Temperature, Shorted or Open Circuit
Diagnostics
ATC — Sending Unit for Inside Air Temperature, Short to Ground
Diagnostics
ATC — Sending Units for Ambient Air Temperature, Shorted or Open Circuit
Diagnostics
ATC — Sending Units for Ambient Temperature, Short to Ground
Diagnostics
ATC — Controller, Internal Fault
Diagnostics
ATC — Controller, Internal Fault
Diagnostics
ATC — -bit CAN BUS, High Error Rate
Diagnostics
ATC — Refrigerant Pressure Sending Unit, Shorted Circuit
Diagnostics
ATC — Refrigerant Pressure Sending Unit, Grounded or Open Circuit
Diagnostics
ATC — Air-Conditioning Relay, Shorted or Open Circuit
Diagnostics
ATC — Air-Conditioning Relay, Grounded Circuit
Diagnostics
ATC — Compressor Clutch Engages and Disengages Too Often
Diagnostics
ATC — Compressor Switches Off Due to Engine Overheating
Diagnostics
ATC — Solar Sensor Activated
Diagnostics
ATC — Driver Unit for the Fan Motors, Shorted Circuit
Diagnostics
ATC — Fan Motor Driver Unit, Grounded or Open Circuit
Diagnostics
ATC — Fan Motors, Malfunction
Diagnostics
ATC — -volt Power Supply, Shorted or Open Circuit
Diagnostics
ATC — -volt Power Supply, Grounded Circuit
Diagnostics
ATC — Potentiometer for Position of Water Valve, Shorted or Open Circuit
Diagnostics
ATC — Potentiometer for Water Valve Position, Grounded Circuit
Diagnostics
ATC — Sending Units for Evaporator Core Temperature, Shorted or Open Circuit
Diagnostics
ATC — Sending Unit for Evaporator Core Temperature, Short to Ground
Diagnostics
ATC — Sending Unit for Actual Outlet Air Temperature, Shorted or Open Circuit
Diagnostics
ATC — Sending Unit for Actual Outlet Air Temperature, Grounded Circuit
Diagnostics
ATC — Water Valve Motor, Shorted Circuit
Diagnostics
ATC — Water Valve Motor, Grounded Circuit
Diagnostics
ATC — Water Valve, Malfunction
Diagnostics
ATC — Water Valve Not Calibrated
Diagnostics
ATC — Temperature Control, Shorted or Open Circuit
Diagnostics
ATC — Temperature Control, Grounded Circuit
Diagnostics
ATC — Fan Speed Control, Shorted or Open Circuit
Diagnostics
ATC — Fan Speed Control, Grounded Circuit
Diagnostics
ATC — Engine Control Unit is not Transmitting any Data (Coolant Temperature)
Diagnostics
ATC — Potentiometer for Position of Air Distribution Flaps, Shorted or Open Circuit
Diagnostics
ATC — Potentiometer for Position of Air Distribution Flaps, Grounded Circuit
Diagnostics
ATC — Adjusting Motor for Air Distribution, Shorted Circuit
Diagnostics
ATC — Adjusting Motor for Air Distribution, Grounded Circuit
Diagnostics
ATC — Air Distribution, Malfunction
Diagnostics
ATC — Adjusting Motor for Air Distribution, Not Calibrated
Diagnostics
ATC — Defog Sensor, Shorted or Open Circuit
Diagnostics
ATC — Defog Sensor, Grounded Circuit
Diagnostics
ATC — Defog Sensor, Frequency out of Valid Range
Diagnostics
BCU Diagnostic Trouble Codes
BCU — Handbrake Failure
Diagnostics
BCU — Wheel Speed Sender, Circuit Fault
Diagnostics
BCU — System Voltage Too High (Engine Running)
Diagnostics
BCU — System Voltage Too Low (Engine Speed Over rpm)
Diagnostics
BCU — System Voltage Too Low (Engine Speed Up to rpm)
Diagnostics
BCU — Rear PTO Speed Sender, Circuit Fault
Diagnostics
BCU — Rear PTO Speed Not Registered
Diagnostics
BCU — Engine Speed Sender, Circuit Fault
Diagnostics
BCU — Control Unit, Internal Error
Diagnostics
BCU — Control Unit, Internal Error
Diagnostics
BCU — -bit CAN BUS, High Error Rate
Diagnostics
BCU — -bit CAN BUS, Very High Error Rate
Diagnostics
BCU — Differential Lock Solenoid Valve, Circuit Fault
Diagnostics
BCU — Rear PTO, Switch Error
Diagnostics
BCU — Relay for LTC Coolant Pump, Circuit Fault
Diagnostics
BCU — Front PTO Speed Sender, Circuit Fault
Diagnostics
BCU — Front PTO Speed Not Registered
Diagnostics
BCU — Front PTO, Switch Error
Diagnostics
BCU — Malfunction at Turn Signal Switch
Diagnostics
BCU — INFORMATION FOR OPERATOR: -Hour Service
BCU — INFORMATION FOR OPERATOR: -Hour Service
BCU — INFORMATION FOR OPERATOR: -Hour Service
BCU — INFORMATION FOR OPERATOR: -Hour Service
BCU — INFORMATION FOR OPERATOR: Turn Off the Rear PTO Switch
BCU — Rear PTO Solenoid, Circuit Fault
Diagnostics
BCU — INFORMATION FOR OPERATOR: Sit on Seat or Turn Off the Rear PTO
BCU — Differential Lock, Switch Error
Diagnostics
BCU — INFORMATION FOR OPERATOR: Actuate the Front-Wheel Drive Switch
BCU — Front Wheel Drive, Switch Error
Diagnostics
BCU — Front-Wheel Drive Clutch Solenoid, Circuit Fault
Diagnostics
BCU — INFORMATION FOR OPERATOR: Tractor is Moving Although Handbrake is On
BCU — INFORMATION FOR OPERATOR: Handbrake is On and a Gear is Selected
BCU — INFORMATION FOR OPERATOR: Turn Off the Rear PTO Switch
BCU — Control Unit, Internal Error
Diagnostics
BCU — Front PTO Solenoid Valve, Circuit Fault
Diagnostics
BCU — Air Brake Solenoid Valve, Circuit Fault
Diagnostics
BCU — Forward/Reverse Switch Signal Doesn’t Match Signal of Not-Neutral Switch
Diagnostics
BCU — Alternator Relay, Circuit Fault
Diagnostics
BCU — Fault in Turn Signal Circuit
Diagnostics
BCU — Hazard Warning Light Fuse F/ and/or F/ Defective
Diagnostics
BCU — Rear PTO Preselector, Switch Error
Diagnostics
BCU — HMS Program Switch Defective
Diagnostics
BCU — Rear PTO Remote Control, Switch Error Left
Diagnostics
BCU — Rear PTO Remote Control, Switch Error Right
Diagnostics
BCU — INFORMATION FOR OPERATOR: Rear PTO can now be Switched On at the Remote Control Switch
BCU — Control Unit Connected to Wrong Wiring Harness Connector
Diagnostics
BCU — Calibration of Hitch Control Unit Not Successful
Diagnostics
BCU — Hitch Control Unit Not Calibrated
Diagnostics
BCU — -Volt Supply Voltage Too High
Diagnostics
BCU — -Volt Supply Voltage Too Low
Diagnostics
BCU — Stepper Motor Coil , Open Lead
Diagnostics
BCU — Stepper Motor Coil , Open Lead
Diagnostics
BCU — Stepper Motor Coil , Circuit Fault
Diagnostics
BCU — Stepper Motor Coil , Circuit Fault
Diagnostics
BCU — System Voltage Too Low
BCU — System Voltage Too High
BCU — Conflicting Signals from Quick Raise/Lower Switch and Remote Switch
Diagnostics
BCU — Rapid Raise/Lower Rocker Switch, Signal Voltage Too High
Diagnostics
BCU — Rapid Raise/Lower Rocker Switch, Signal Voltage Too Low
Diagnostics
BCU — Left Draft Sender, Signal Voltage Too High
Diagnostics
BCU — Left Draft Sender, Signal Voltage Too Low
Diagnostics
BCU — Right Draft Sender, Signal Voltage Too High
Diagnostics
BCU — Right Draft Sender, Signal Voltage Too Low
Diagnostics
BCU — Sensitivity Potentiometer, Signal Voltage Too High
Diagnostics
BCU — Sensitivity Potentiometer, Signal Voltage Too Low
Diagnostics
BCU — Oil Temperature During Calibration Too Low
BCU — Left Draft Sender, Disrupted Signal During Calibration
Diagnostics
BCU — Left Draft Sender, Signal Voltage Too High During Calibration
BCU — Left Draft Sender, Signal Voltage Too Low During Calibration
BCU — Right Draft Sender, Disrupted Signal During Calibration
Diagnostics
BCU — Right Draft Sender, Signal Voltage Too High During Calibration
BCU — Right Draft Sender, Signal Voltage Too Low During Calibration
BCU — Position Sender, Signal Voltage Too High During Calibration
BCU — Position Sender, Signal Voltage Too Low During Calibration
BCU — Stepper Motor Raising Deadband Above Valid Range During Calibration
BCU — Stepper Motor Raising Deadband Below Valid Range During Calibration
BCU — Stepper Motor Lowering Deadband Above Valid Range During Calibration
BCU — Stepper Motor Lowering Deadband Below Valid Range During Calibration
BIF Diagnostic Trouble Codes
BIF — Fuel Gauge Sender, Shorted or Open Circuit
Diagnostics
BIF — Transmission Oil Temperature High
Diagnostics
BIF — INFORMATION FOR OPERATOR: Warning, Rear PTO Speed
BIF — No Signal From Engine Speed Sender
Diagnostics
BIF — Control Unit, Internal Error
Diagnostics
BIF — -Bit CAN BUS, Open Circuit
Diagnostics
BIF — INFORMATION FOR OPERATOR: Switch Off Worklights While Driving on Road
BIF — INFORMATION FOR OPERATOR: Preheat Time Remaining
ECU Diagnostic Trouble Codes
ECU — Cruise Control Potentiometer Input Voltage High
ECU — Cruise Control Potentiometer Input Voltage Low
ECU — Hand Throttle Potentiometer Input Voltage High
ECU — Hand Throttle Potentiometer Input Voltage Low
ECU — Vehicle Speed Mismatch
ECU — Accelerator Pedal Potentiometer Input Voltage High
ECU — Accelerator Pedal Potentiometer Input Voltage Low
ECU — Hand Throttle or Accelerator Pedal Not Calibrated Correctly
ECU — Hand Throttle or Accelerator Pedal, Calibration Interrupted
ECU — Fuel Supply Pressure Extremely Low
ECU — Fuel Supply Pressure Input Voltage High
ECU — Fuel Supply Pressure Input Voltage Low
ECU — Fuel Rail Pressure Loss Detected
ECU — Fuel Rail Pressure Higher Than Expected
ECU — Fuel Rail Pressure Not Developed
ECU — Fuel Supply Pressure Moderately Low
ECU — Input Voltage from Water-in-Fuel Sensor High
ECU — Input Voltage from Water-in-Fuel Sensor Low
ECU — Water in Fuel Detected
ECU — Engine Oil Pressure Extremely Low
ECU — Engine Oil Pressure Input Voltage High
ECU — Engine Oil Pressure Input Voltage Low
ECU — Engine Oil Pressure Moderately Low
ECU — Manifold Air Temperature Input Voltage High
ECU — Manifold Air Temperature Input Voltage Low
ECU — Manifold Air Temperature Moderately High
ECU — Engine Coolant Temperature Extremely High
ECU — Engine Coolant Temperature Input Voltage High
ECU — Engine Coolant Temperature Input Voltage Low
ECU — Engine Coolant Temperature Slightly High
ECU — Engine Coolant Temperature Moderately High
ECU — ECU Power Down Error
ECU — Wheel Speed Sensor Input Noise
ECU — Fuel Temperature Extremely High
ECU — Fuel Temperature Input Voltage High
ECU — Fuel Temperature Input Voltage Low
ECU — Fuel Temperature Slightly High
ECU — Fuel Temperature Moderately High
ECU — Fuel Temperature Sensor Faulty
ECU — Engine Speed Derate
ECU — Engine Racing Excessively
ECU — Engine Speed Input Noise
ECU — Engine Speed Slightly High
ECU — Electronic Injector Wiring Shorted To Power Source
ECU — Electronic Injector Wiring Shorted To Ground
ECU — Sensor Supply Voltage High
ECU — Sensor Supply Voltage Low
ECU — Electronic Injector Supply Voltage Problem
ECU — ECU Unswitched Power Missing
ECU — ECU Error
ECU — ECU to Pump Communication Error
ECU — Fuel Shutoff Error
ECU — Fuel Shutoff Non-Functional
ECU — Pump Position Sensor Input Noise
ECU — Pump Position Sensor Input Missing
ECU — Pump Position Sensor Input Pattern Error
ECU — Crank Position Input Noise
ECU — Crank Position/Pump Position Timing Moderately Out of Sync
ECU — Crank Position Input Missing
ECU — Crank Position Input Pattern Error
ECU — Cylinder No EI Circuit Open
ECU — Cylinder No EI Circuit Shorted
ECU — Cylinder No EI Fuel Delivery Failure
ECU — Cylinder No EI Circuit Open
ECU — Cylinder No EI Circuit Shorted
ECU — Cylinder No EI Fuel Delivery Failure
ECU — Cylinder No EI Circuit Open
ECU — Cylinder No EI Circuit Shorted
ECU — Cylinder No EI Fuel Delivery Failure
ECU — Cylinder No EI Circuit Open
ECU — Cylinder No EI Circuit Shorted
ECU — Cylinder No EI Fuel Delivery Failure
ECU — Cylinder No EI Circuit Open
ECU — Cylinder No EI Circuit Shorted
ECU — Cylinder No EI Fuel Delivery Failure
ECU — Cylinder No EI Circuit Open
ECU — Cylinder No EI Circuit Shorted
ECU — Cylinder No EI Fuel Delivery Failure
ECU — Glow Plug Relay Voltage High
ECU — Glow Plug Relay Voltage Low
ECU — Inlet Air Heater Signal High
ECU — Inlet Air Heater Signal Low
ECU — Calculated Vehicle Speed Input Signal Noise
ECU — Engine Speed or Torque Message Invalid
ECU — Pump Current Instability
ECU — Pump Current Feedback Input Voltage High
ECU — Pump Current Feedback Input Voltage Low
ECU — Pump Current Out of Range (Engine OFF)
ECU — Pump Current Not Controllable
ECU — Start Signal Missing
ECU — Start Signal Always Active
ECU — Tire Size Error
Diagnostics
ECU — Tire Size Invalid
ECU — Tire Size Error
ECU — Pump Control Valve Closure Too Long
ECU — Pump Control Valve Closure Too Short
ECU — Pump Detected Defect
ECU — Pump Solenoid Current High
ECU — Pump Solenoid Circuit Open
ECU — Pump Solenoid Circuit Severely Shorted
ECU — Pump Control Valve Closure Not Detected
ECU — Pump Solenoid Circuit Moderately Shorted
ECU — Current Drop – Time Fault
ECU — Attempting to Fuel Without Command
ECU — Pump Supply Voltage Out Of Range
ECU — Pump Self-Test Error
ECU — Communication Error between ECU and Pump Detected
ECU — Pump Initiated Engine Protection
ECU — ECU/Pump Timing Moderately Out of Sync
ECU — ECU/Pump Engine Speed Out of Sync
ECU — ECU/Pump Timing Extremely Out of Sync
ECU — Sensor Supply Voltage High
ECU — Sensor Supply Voltage Low
ECU — Sensor Supply Voltage High
ECU — Sensor Supply Voltage Low
ECU — Pump Control Valve Current High
ECU — Pump Control Valve Current Mismatch
ECU — Fuel Rail Pressure Control Error
ECU — Pump Power Relay Fault
ECU — Fuel Derate
ECU — Internal ECU Failure
ECU — Security Violation
Diagnostics
EPC Diagnostic Trouble Codes
EPC — System Voltage Too Low
Diagnostics
EPC — Control Unit, Internal Error
Diagnostics
EPC — Control Unit, Internal Error
Diagnostics
EPC — -bit CAN BUS, High Error Rate
Diagnostics
EPC — -bit CAN BUS, Very High Error Rate
Diagnostics
EPC — Clutch Pedal Potentiometer, Incorrect Voltage Ratio at Channel and
Diagnostics
EPC — Clutch Pedal Potentiometer, Voltage at Channel Too High
Diagnostics
EPC — Clutch Pedal Potentiometer, Voltage at Channel Too Low
Diagnostics
EPC — Control Unit, Wrong Input Value
Diagnostics
EPC — Transmission Enable Relay, Circuit Fault
Diagnostics
EPC — Reverse Drive Lever Detent Coil, Circuit Fault
Diagnostics
EPC — Reverse Solenoid, Circuit Fault
Diagnostics
EPC — Forward Solenoid, Circuit Fault
Diagnostics
EPC — Proportional Enable Solenoid, Circuit Fault
Diagnostics
EPC — Proportional Enable Solenoid Valve Opened by Mistake
Diagnostics
EPC — Proportional Enable Solenoid Valve Closed by Mistake
Diagnostics
EPC — Park Lock Switch Signal and Signal from Forward or Reverse Switch Simultaneously Active
Diagnostics
EPC — Not-Neutral Switch Closed by Mistake
Diagnostics
EPC — Forward and Reverse Switches Closed at Same Time
Diagnostics
EPC — Forward Switch Closed and Not-Neutral Switch Open
Diagnostics
EPC — Reverse Switch Closed and Not-Neutral Switch Open
Diagnostics
EPC — Neutral Switch in Reverse Drive Lever Closed During Initialization
Diagnostics
EPC — Transmission Enable Pressure Too High
Diagnostics
EPC — Transmission Enable Pressure Too Low
Diagnostics
EPC — Clutch Pedal Potentiometer is Defective
EPC — Clutch Pedal Switch Opened by Mistake
Diagnostics
EPC — Come-Home Operation Activated
EPC — Forward/Reverse Switch Activated During Initialization
Diagnostics
EPC — Faulty Transmission Enable Signal
Diagnostics
EPC — Ground Speed Registered During Calibration
Diagnostics
EPC — Excessively High Transmission Speed During Calibration
Diagnostics
EPC — Engine Control Unit or Basic Control Unit has Stopped Transmitting Data (Engine Speed)
Diagnostics
EPC — Transmission Speed Too Low
Diagnostics
EPC — Control Unit, Internal Error
Diagnostics
EPC — Control Unit, Internal Error
Diagnostics
EPC — Control Unit, Internal Error
Diagnostics
EPC — Upshift/Downshift Switch, Short Circuit
Diagnostics
EPC — Power/ECO Mode Switch or Auto Mode Switch, Shorted Circuit
Diagnostics
EPC — Auto-Mode Potentiometer, Circuit Fault
Diagnostics
EPC — Power/ECO Mode Indicator Light, Circuit Fault
Diagnostics
EPC — K Solenoid Valve, Circuit Fault
Diagnostics
EPC — K and/or K Solenoid Valve or Solenoid and/or Solenoid , Circuit Fault
Diagnostics
EPC — Basic Control Unit has Stopped Transmitting Data (Transmission Output Speed)
Diagnostics
EPC — Engine Control Unit or Basic Control Unit has Stopped Transmitting Data (Engine Speed)
Diagnostics
EPC — Engine Control Unit has Stopped Transmitting Data (Hand Throttle/Accelerator Pedal)
Diagnostics
EPC — Basic Control Unit has Stopped Transmitting Data (Engine Operating Hours)
Diagnostics
EPC — Control Unit Connected to Wrong Harness Connector
Diagnostics
JDL Diagnostic Trouble Codes
JDL — Control Unit Configuration and Machine PIN Conflict
JDL — Control Unit Power Limit Exceeded
JDL — Control Unit Memory Capacity Exceeded
JDL — CAN Bus Fault
JDL — Control Unit Voltage Low
JDL — Control Unit Fault
JDL — Invalid Time / Date
JDL — Machine Data Configuration Fault
JDL — Machine Data Configuration Fault
JDL — Machine Data Configuration Fault
JDL — Machine Data Configuration Fault
JDL — Machine Data Configuration Fault
JDL — GPS Lock Fault
JDL — GPS Lock Lost
JDL — GPS Antenna / Cable Fault
JDL — Call Unanswered
JDL — Call Disconnected
JDL — Cellular Signal Weak or No Service
JDL — Cellular Data Bit Error Rate too High
JDL — Cellular Personal Identification Number Blocked
JDL — Communications Service Identification Module Fault
JDL — Line Busy
JDL — Data Exchange Fault
JDL — Modem Fault
JDL — Data Upload Fault
JDL — Data Download Fault
PLC Diagnostic Trouble Codes
PLC — Controller, Internal Error
Diagnostics
PLC — Controller, Internal Error
Diagnostics
PLC — -bit CAN BUS, High Error Rate
Diagnostics
PLC — -bit CAN BUS, Very High Error Rate
Diagnostics
PLC — Transmission Output Speed Sender, Grounded Circuit
Diagnosis
PLC — Transmission Output Speed sender, Open or Shorted Circuit
PLC — Park Lock Pressure Sender, Shorted Circuit
Diagnosis
PLC — Park Lock Pressure Sender, Grounded or Open Circuit
PLC — Park Lock Solenoid Valve, Grounded or Shorted Circuit
Diagnostics
PLC — Park Lock Solenoid Valve, Open Circuit
PLC — Transmission Control Unit has Stopped Transmitting Data
Diagnostics
PLC — System Voltage Too Low
Diagnostics
PLC — Park Lock Alarm, Open or Shorted Circuit at Supply Line
Diagnosis
PLC — Park Lock Alarm, Shorted Circuit
PLC — Signals Received from Reverse Drive Lever Do Not Match the CAN BUS Command from the TCU
Diagnostics
PLC — Power Supply to Park Lock Pressure Sender, Grounded Circuit
Diagnostics
PLC — Power Supply to Park Lock Pressure Sender, Shorted Circuit
PLC — Controller, Internal Error
Diagnostics
PLC — Controller Connected to Wrong Wiring Harness Connector
Diagnostics
PRF Diagnostic Trouble Codes
PRF — Control Unit, Internal Error
Diagnostics
PRF — Control Unit, Internal Error
Diagnostics
PRF — -bit CAN BUS, High Error Rate
Diagnostics
PRF — -bit CAN BUS, Very High Error Rate
Diagnostics
PRF — Key Error
Diagnostics
SFA Diagnostic Trouble Codes
SFA — Control Unit, Internal Fault
Diagnostics
SFA — Control Unit, Internal Fault
Diagnostics
SFA — -bit CAN BUS, High Error Rate
Diagnostics
SFA — -bit CAN BUS, Very High Error Rate
Diagnostics
SFA — Suspended Front Axle Control Unit (SFA) Incorrectly Calibrated
Diagnostics
SFA — Suspended Front Axle Control Unit Not Calibrated
Diagnostics
SFA — Suspended Cab Control Unit Not Calibrated Correctly
Diagnostics
SFA — Suspended Cab Control Unit Not Calibrated
Diagnostics
SFA — Solenoid Y, Grounded Circuit
Diagnostics
SFA — Solenoid Y, Shorted or Open Circuit
Diagnostics
SFA — Solenoid Y, Grounded Circuit
Diagnostics
SFA — Solenoid Y, Shorted or Open Circuit
Diagnostics
SFA — Solenoid Y, Grounded Circuit
Diagnostics
SFA — Solenoid Y, Shorted or Open Circuit
Diagnostics
SFA — Solenoid Y, Grounded Circuit
Diagnostics
SFA — Solenoid Y, Shorted or Open Circuit
Diagnostics
SFA — Up is Commanded by the Cab Suspension Control Unit, but the Cab Moves Down
Diagnostics
SFA — Down is Commanded by the Cab Suspension Control Unit, but the Cab Moves Up
Diagnostics
SFA — Axle Moves Down Although Commanded by SFA to Move Up
Diagnostics
SFA — Axle Moves Up Although Commanded by SFA to Move Down
Diagnostics
SFA — Low Engine Speed Low (after Engine Start)
Diagnostics
SFA — Low Engine Speed (During Operation)
Diagnostics
SFA — No Axle Movement During Calibration Although Command Was Given
Diagnostics
SFA — No Axle Movement During Operation Although Command Was Given
Diagnostics
SFA — No Axle Movement During Travel Although Command Was Given
Diagnostics
SFA — No Cab Movement During Calibration Although Command Was Given
Diagnostics
SFA — No Cab Movement During Operation Although Command Was Given
Diagnostics
SFA — No Cab Movement During Travel Although Command Was Given
Diagnostics
SFA — Power Supply to TLS Position Sensor, Shorted Circuit
Diagnostics
SFA — Power Supply to TLS Position Sensor, Grounded or Open Circuit
Diagnostics
SFA — TLS Position Sensor, Signal Voltage Too Low During Downward Movement
Diagnostics
SFA — TLS Position Sensor, Signal Voltage Too High (Lowered Fully)
Diagnostics
SFA — TLS Position Sensor, Signal Voltage Too High During Upward Movement
Diagnostics
SFA — TLS Position Sensor, Signal Voltage Too Low (Raised Fully)
Diagnostics
SFA — TLS Position Sensor, Signal Voltage Out of Range When in Mid-Position
Diagnostics
SFA — Power Supply to Cab Position Sensor, Shorted Circuit
Diagnostics
SFA — Power Supply to Cab Position Sensor, Grounded or Open Circuit
Diagnostics
SFA — Cab Position Sensor, Signal Voltage Too Low During Downward Movement
Diagnostics
SFA — Cab Position Sensor, Signal Voltage Too High (Lowered Fully)
Diagnostics
SFA — Cab Position Sensor, Signal Voltage Too High During Upward Movement
Diagnostics
SFA — Cab Position Sensor, Signal Voltage Too Low (Raised Fully)
Diagnostics
SFA — Cab Position Sensor, Signal Voltage Out of Range When in Mid-Position
Diagnostics
SFA — Engine Control Unit or Basic Control Unit has Stopped Sending Data (Engine Speed)
Diagnostics
SFA — Basic Control Unit has Stopped Sending Data (Travel Speed)
Diagnostics
SFA — Engine Control Unit or Basic Control Unit Sends No Data While Tractor Is Moving (Engine Speed)
Diagnostics
SFA — Control Unit, Internal Fault
Diagnostics
SFA — Control Unit Connected to Wrong Harness Connector
Diagnostics
SIC Diagnostic Trouble Codes
SIC — Control Unit, Internal Error
Diagnostics
SIC — Control Unit, Internal Error
Diagnostics
SIC — -bit CAN BUS, High Error Rate
Diagnostics
SIC — -bit CAN BUS, Very High Error Rate
Diagnostics
SIC — ECU or BCU is/are Not Sending Any Data (Engine Speed)
Diagnostics
SIC — BCU Is Not Transmitting Any Data (Engine Operating Hours)
Diagnosis
SIC — Transmission Control Unit or BIF is/are Not Sending Any Data (Hydraulic Oil Temperature)
Diagnosis
SIC — Hydraulic Oil Temperature Too Low
Diagnosis
SIC — Control Unit Not Calibrated
Diagnostics
SIC — E-ICV No, Potentiometer at Multi-Function Lever Faulty
Diagnostics
SIC — E-ICV No, Potentiometer at Multi-Function Lever Faulty
Diagnostics
SIC — E-ICV No, Potentiometer at Multi-Function Lever Faulty
Diagnostics
SIC — E-SCV No, Potentiometer at Control Lever Faulty
Diagnostics
SIC — E-SCV No, Potentiometer at Control Lever Faulty
Diagnostics
SIC — E-SCV No, Potentiometer at Control Lever Faulty
Diagnostics
SIC — E-SCV No, Potentiometer at Control Lever Faulty
Diagnostics
SIC — E-ICV No, Switch at Multi-Function Lever Faulty
Diagnostics
SIC — E-ICV No, Switch at Multi-Function Lever Faulty
Diagnostics
SIC — E-ICV No, Switch at Multi-Function Lever Faulty
Diagnostics
SIC — E-SCV No, Switch at Control Lever Faulty
Diagnostics
SIC — E-SCV No, Switch at Control Lever Faulty
Diagnostics
SIC — E-SCV No, Switch at Control Lever Faulty
Diagnostics
SIC — E-SCV No, Switch at Control Lever Faulty
Diagnostics
SIC — -volt Power Supply is Faulty
Diagnosis
SIC — E-ICV, Transport Lock Switch is Faulty
Diagnostics
SIC — E-ICV, Safety Switch is Faulty
Diagnostics
SIC — E-SCV, Transport Lock Switch is Faulty
Diagnostics
SIC — Control Unit, Internal Error
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Too Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Very Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Too High
Diagnostics
SIC — E-ICV No, Stepper Motor, No Connection to Controller
Diagnostics
SIC — E-ICV No, Stepper Motor, Coil Temperature Too Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Coil Temperature Too High
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Too Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Very Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Too High
Diagnostics
SIC — E-ICV No, Stepper Motor, No Connection to Controller
Diagnostics
SIC — E-ICV No, Stepper Motor, Coil Temperature Too Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Coil Temperature Too High
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Too Low
Diagnostics
SIC — E-ICV No, Stepper Motor, Power Supply Very Low
UIC — INFORMATION FOR OPERATOR: Tractor Start-up with Reverse Drive Lever Not in Neutral or Corner Park
UIC — Internal Transmission Power Supply (VPS), Shorted Circuit
Diagnostics
UIC — INFORMATION FOR OPERATOR: Reverse Drive Lever is in the Position for Forward or Reverse Travel During Start-up Procedure
UIC — Controller, Internal Fault
Diagnostics
UIC — Controller Connected to Wrong Wiring Harness Connector
Diagnostics
UIC — Controller, Wrong Input Value
Diagnostics
OBSERVABLE SYMPTOMS
Engine
Engine Observable Symptom Diagnostics
Electrical System
Control Unit(s) Not Displayed (Tractors with Cab)
Diagnosis of observable symptoms
Control Unit(s) Not Displayed (Open Operator’s Station and SE Tractors)
Diagnosis of observable symptoms
Diagnostic Mode Cannot Be Entered or Connection Problems with Service ADVISOR (Tractors with Cab)
Diagnosis of observable symptoms
No Access to Diagnostic Mode Possible or Connection Difficulties with Service ADVISOR (Tractors with Open Operator’s Station and SE Tractors with Stage I Engines to //EC)
Diagnosis of observable symptoms
No Access to Diagnostic Mode Possible or Connection Difficulties with Service ADVISOR (Tractors with Open Operator’s Station and SE Tractors with Stage II Engines to //EC, Level )
Diagnosis of observable symptoms
Problem with the Battery
Diagnostics
Problem with the Starting Motor
Diagnostics
Problem with the Horn
Diagnostics
Problem with the Windshield Wiper
Diagnostics
Problem with the Windshield Washer
Diagnostics
Problem with the Rear Window Wiper
Diagnostics
Problem with the Rear Window Washer
Diagnostics
SyncroPlus Transmission
Problem with SyncroPlus Transmission
Diagnostics
Power Reverser Transmission
Problem with Power Reverser Transmission
Diagnostics
AutoPowr/IVT Transmission
Problem with AutoPowr/IVT Transmission
Diagnosis
PowrQuad, PowrQuad Plus and AutoQuad Transmissions
Problem with PowrQuad Transmission
Diagnostics
Problem with the PowrQuad Plus and AutoQuad Transmissions
Diagnostics
Drive Systems
Problem with the Rear PTO
Diagnostics
Diagnosis for slippage at rear PTO (when operating under load)
Problem with the Front PTO
Diagnosis
Diagnosis for symptom: Slippage at front PTO (when operating under load)
Diagnosis for symptom: Unusual Noise when running or rough front PTO engagement
Steering and Brakes
Problem with the Brakes
Diagnosis
Problem with the Steering
Diagnostics
Problem with the Handbrake
Diagnostics
Hydraulic System
Problem with the Rockshaft
Diagnostics
Problem with the Rockshaft’s Remote Control
Diagnostics
Operator’s Cab
Problem with operator’s seat MSG
Diagnostics
Problem with the Air-Conditioning System
Diagnostics
SYSTEM DIAGNOSTICS
Electronics
-bit CAN BUS – Check (Tractors with Operator’s Cab)
Circuit test
-bit CAN BUS – Check (Tractors with Open Operator’s Station and SE Tractors with Stage I Engines according to //EC)
Circuit test
-bit CAN BUS – Check (Tractors with Open Operator’s Station and SE Tractors with Stage II Engines according to //EC; Level )
Circuit test
-bit CAN BUS – Check
Circuit test
JDLink System Check
Problem with JDLink Machine Messenger
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