Complete Component Technical Manual for John Deere 6.8L & 8.1L PowerTech Diesel Engines Level 3 Electronic Fuel Systems with Bosch In-Line, with all the technical information to maintain, diagnose, repair, rebuild like professional mechanics.

John Deere 6.8L & 8.1L PowerTech Diesel Engines Level 3 Electronic Fuel Systems workshop service repair 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.

ctm134 - John Deere 6.8L & 8.1L PowerTech Diesel Engines Level 3 Electronic Fuel Systems with Bosch In-Line Pump (Worldwide Edition) Component Technical Manual.pdf
ctm136 - Moteurs diesel PowerTech™ 6,8 l et 8,1 l Circuits d'alimentation électroniques niveau 3 avec pompe Bosch en ligne -: (Édition mondiale)
ctm135 - Motores diesel PowerTech™ de 6,8 l y 8,1 l con sistemas electrónicos de combustible del nivel 3 y bomba en línea Bosch -: (Edición mundial)
ctm137 - Elektronische Kraftstoffsysteme der Stufe 3 mit Reiheneinspritzpumpe von Bosch für PowerTech™ 6,8-l und 8,1-l-Dieselmotoren -: (Weltweite Ausgabe)
ctm138 - Motori diesel PowerTech™ da 6,8 e 8,1 l Impianti di alimentazione elettronici Livello 3 con pompa in linea Bosch -: (Edizione universale)
ctm140 - Дизельные двигатели PowerTech™ объемом 6,8 л и 8,1 л Электронные топливные системы уровня 3 с магистральным насосом Bosch -: (Исполнение для всех стран)
ctm184 - POWERTECH 8.1 6081.pdf

PRODUCT DETAILS:
Total Pages: 762 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable, high quality)
Category: CTM
Language: English Spanish French German Italian Russian Chinese
Published on 2018/03/21

TABLE OF CONTENTS
Forward
Section 01: General
  Group 000: Safety
    Handle Fluids Safely—Avoid Fires
    Handle Starting Fluid Safely
    Service Cooling System Safely
    Prevent Battery Explosions
    Prepare for Emergencies
    Handling Batteries Safely
    Avoid High-Pressure Fluids
    Wear Protective Clothing
    Service Machines Safely
    Work In Ventilated Area
    Work in Clean Area
    Remove Paint Before Welding or Heating
    Avoid Heating Near Pressurized Fluid Lines
    Illuminate Work Area Safely
    Use Proper Lifting Equipment
    Construct Dealer-Made Tools Safely
    Practice Safe Maintenance
    Use Proper Tools
    Decommissioning — Proper Recycling and Disposal of Fluids and Components
    Live With Safety
  Group 001: Engine Identification
    Engine Application Chart (John Deere Agricultural Equipment)
    Engine Application Chart (John Deere Construction Equipment)
    Engine Application Chart (OEM) (Outside Equipment Manufacturers)
    Distinguishing ECUs on 8.1 L Engines
    Distinguishing ECUs on 6.8 L Engines
  Group 002: Fuels
    Lubricants and Coolant
    Diesel Fuel
    Diesel Fuel Additive Products
    Bio-Diesel Fuel
    Lubricity of Diesel Fuel
Handle Fluids Safely—Avoid Fires
Handle Fluids Safely—Avoid Fires
Handle Starting Fluid Safely
Service Cooling System Safely
Prevent Battery Explosions
Prepare for Emergencies
Handling Batteries Safely
Avoid High-Pressure Fluids
Wear Protective Clothing
Service Machines Safely
Work In Ventilated Area
Work in Clean Area
Remove Paint Before Welding or Heating
Avoid Heating Near Pressurized Fluid Lines
Illuminate Work Area Safely
Use Proper Lifting Equipment
Construct Dealer-Made Tools Safely
Practice Safe Maintenance
Use Proper Tools
Decommissioning — Proper Recycling and Disposal of Fluids and Components
Live With Safety
Engine Application Chart (John Deere Agricultural Equipment)
Engine Application Chart (John Deere Agricultural Equipment)
Engine Application Chart (John Deere Construction Equipment)
Engine Application Chart (OEM) (Outside Equipment Manufacturers)
Distinguishing ECUs on 8.1 L Engines
Distinguishing ECUs on 6.8 L Engines
Lubricants and Coolant
Lubricants and Coolant
Diesel Fuel
Diesel Fuel Additive Products
Bio-Diesel Fuel
Lubricity of Diesel Fuel
Section 02: Repair and Adjustments
  Group 090: Electronic Fuel System Repair and Adjustments
    Fuel System — General Information
    Relieve Fuel System Pressure
    Replace Rectangular Fuel Filter Element
    Replace Fuel Filter Check Valve
    Replace Primary (Round) Fuel Filter/Water Separator
    Identification of Fuel Supply Pumps
    Remove Fuel Supply Pump
    Inspect Fuel Supply Pump
    Install Fuel Supply Pump
    Service Injection Pump Overflow Valve
    Identification of In-Line Fuel Injection Pumps
    Service of Fuel Injection Pumps
    Remove Fuel Injection Pump
    Install Fuel Injection Pump
    Remove Fuel Injection Nozzles
    Test Fuel Injection Nozzles
    Perform Opening Pressure Test
    Injection Nozzle Opening Pressure Specifications
    Perform Nozzle Leakage Test
    Perform Chatter and Spray Pattern Test
    Disassemble Fuel Injection Nozzle
    Clean and Inspect Fuel Injection Nozzle Assembly
    Clean Spray Orifices
    Inspect Nozzle Holder
    Inspect Gland Nut
    Assemble Fuel Injection Nozzle
    Inspect and Clean Cylinder Head Nozzle Bore
    Inspect and Clean Nozzle Seating Surface
    Install Fuel Injection Nozzles
  Group 110: Electrical Engine Control Repair and Adjustment
    John Deere Level 3 Electronic Engine Control System and Sensors
    Remove and Install Sensors
    Engine Control Unit (ECU)
    Transient Voltage Protection (TVP) Module
    Connectors
    Diagnostic Connector Installation
    Using High-Pressure Washer
    Repair WEATHERPACK WEATHERPACK is a trademark of Packard Electric Connector
    Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact
    Remove Blade Terminals from Connector Body
    Repair (Pull Type) METRI-PACK METRI-PACK is a trademark of Delphi Packard Electric Systems Connectors
    Repair (Push Type) METRI-PACK™ Connectors
    Use Electrical Insulating Compound
    Repair DEUTSCH Connectors
    Install DEUTSCH DEUTSCH is a trademark of Deutsch Co. Contact
Fuel System — General Information
Fuel System — General Information
Relieve Fuel System Pressure
Replace Rectangular Fuel Filter Element
Replace Fuel Filter Check Valve
Replace Primary (Round) Fuel Filter/Water Separator
Identification of Fuel Supply Pumps
Remove Fuel Supply Pump
Inspect Fuel Supply Pump
Install Fuel Supply Pump
Service Injection Pump Overflow Valve
Identification of In-Line Fuel Injection Pumps
Service of Fuel Injection Pumps
Remove Fuel Injection Pump
Install Fuel Injection Pump
Remove Fuel Injection Nozzles
Test Fuel Injection Nozzles
Perform Opening Pressure Test
Injection Nozzle Opening Pressure Specifications
Perform Nozzle Leakage Test
Perform Chatter and Spray Pattern Test
Disassemble Fuel Injection Nozzle
Clean and Inspect Fuel Injection Nozzle Assembly
Clean Spray Orifices
Inspect Nozzle Holder
Inspect Gland Nut
Assemble Fuel Injection Nozzle
Inspect and Clean Cylinder Head Nozzle Bore
Inspect and Clean Nozzle Seating Surface
Install Fuel Injection Nozzles
John Deere Level 3 Electronic Engine Control System and Sensors
John Deere Level 3 Electronic Engine Control System and Sensors
Remove and Install Sensors
Engine Control Unit (ECU)
Transient Voltage Protection (TVP) Module
Connectors
Diagnostic Connector Installation
  CAN Terminator Verification
  Installation of Diagnostic Connector with Termination Present
  Installation of Diagnostic Connector with no Termination Present
Using High-Pressure Washer
Repair WEATHERPACK™ Connector
Install WEATHER PACK™ Contact
Remove Blade Terminals from Connector Body
Repair (Pull Type) METRI-PACK™ Connectors
Repair (Push Type) METRI-PACK™ Connectors
Use Electrical Insulating Compound
Repair DEUTSCH Connectors
Install DEUTSCH™ Contact
Section 03: Theory of Operation
  Group 130: Electronic Fuel System Operation
    Fuel System Overview
    Fuel Supply Pump Operation
    Fuel Supply Pump Operation - Continued
    Rectangular Final Fuel Filter Operation
    Round Primary Fuel Filter/Water Separator Operation
    Fuel Injection Pump Operation
    Fuel Injection Nozzle Operation
  Group 140: Electronic Control System Operation
    Electronic Control System Overview
    Electronic Control System Terminology
    Electronic Control System Operation
    Monitoring Engine Parameters
    Measuring Temperature
    Water In Fuel Sensor
    Measuring Throttle Position
    Measuring Oil Pressure
    Measuring Engine Speed
    Measuring Rack Position
    Actuator Solenoid
    Fuel Shut-off Solenoid
    Engine Control Unit (ECU)
    Cruise Control Operation
    Intake Air Heater Operation
    Engine Protection
    Different Derate Programs
    Multiple Torque Curve Selection
    Governor Droop Mode Selection
    Engine Control Unit (ECU) Self-diagnosis Operation
Fuel System Overview
Fuel System Overview
Fuel Supply Pump Operation
Fuel Supply Pump Operation - Continued
Rectangular Final Fuel Filter Operation
Round Primary Fuel Filter/Water Separator Operation
Fuel Injection Pump Operation
Fuel Injection Nozzle Operation
Electronic Control System Overview
Electronic Control System Overview
Electronic Control System Terminology
Electronic Control System Operation
  Engine Starting Mode
  Engine Running Mode
Monitoring Engine Parameters
Measuring Temperature
  ECT (Engine Coolant Temperature) Sensor
  MAT (Manifold Air Temperature) Sensor
  AAT (Ambient Air Temperature) Sensor
  Fuel Temperature Sensor
  Loss of Coolant Temperature Switch
  Charge Air Temperature Switch
Water In Fuel Sensor
Measuring Throttle Position
Measuring Oil Pressure
Measuring Engine Speed
  Engine Speed Sensor
  Injection Pump Speed Sensor
Measuring Rack Position
Actuator Solenoid
Fuel Shut-off Solenoid
Engine Control Unit (ECU)
  Analog/Digital Converters
  Central Processing Unit (CPU)
  Memory
Cruise Control Operation
Intake Air Heater Operation
Engine Protection
  Shutdown Override
Different Derate Programs
  Low Oil Pressure Protection
  High Engine Coolant Temperature Protection
  Loss of Coolant Protection
  High Charge Air Temperature Protection (“H” Engines Only)
  High Fuel Temperature Protection
Multiple Torque Curve Selection
Governor Droop Mode Selection
Engine Control Unit (ECU) Self-diagnosis Operation
  2 or 3–Digit Codes
  SPN/FMI Codes
Section 04: Diagnostics
  Group 150: Observable Diagnostics and Tests
    About This Group of the Manual
    E1 - Engine Cranks/Won't Start
    E2 - Engine Misfires/Runs Irregularly
    E3 - Engine Does Not Develop Full Power
    E4 - Engine Emits Excessive Exhaust Smoke
    E5 - Engine Emits Excessive Black or Gray Exhaust Smoke
    E6 - Engine Will Not Crank
    E7 - Engine Idles Poorly
    E8 - Abnormal Engine Noise
    F1 - Fuel Supply System Check
    F2 - Excessive Fuel Consumption
    F3 - Fuel in Oil
    F4 - Excessive Fuel Filter Replacement
    ECU Does Not Communicate with Service ADVISOR
    D1 - ECU Does Not Communicate with DST
    D2 - ECU Does Not Communicate with Diagnostic Gauge
    D2 - ECU Does Not Communicate with Diagnostic Gauge
    D3 - Error Codes on Electronic Governor Tester (JT05829)
    D3 - Error Codes on Electronic Governor Tester (JT05829)
    Check Fuel Supply Quality
    Measure Fuel Supply Pump Pressure
    Check Fuel Supply Pump Operation
    Bleed the Fuel System
    Cylinder Misfire Test
    Test for Fuel Drain Back
    Test for Air in Fuel
    Check for Restricted Fuel Return Line
    Check and Adjust Injection Pump Static Timing
    Load Profile Information Test — Instructions
    Primary CAN Diagnostic Procedure
    Terminal Test
    Diagnostic Test Box — Using
  Group 160: Trouble Code Diagnostics and Tests
    About This Group the Manual
    Electrical Concept
    Electrical Circuit Malfunctions
    Troubleshooting Circuit Malfunctions
    Using a Digital Multimeter
    Using the JT07349 Break-Out-Box (BOB)
    Determining Torque Curve Selection Using the Break-Out-Box (BOB)
    Determining Governor Droop Mode Selection Using the Break-Out-Box (BOB)
    Measuring Full Throttle Voltage Values Using Diagnostic Voltage Connector
    Measuring Rack Position Voltage Using the Diagnostic Voltage Connector
    Engine Configuration Data Parameters on Diagnostic Gauge
    Viewing Active DTCs on Diagnostic Gauge
    Viewing Stored DTCs on Diagnostic Gauge
    Clearing Stored DTCs on Diagnostic Gauge
    Blinking DTCs Using the Diagnostic Code Reader Connector
    Clearing Stored Codes Using the Diagnostic Code Reader Connector
    Connecting to Diagnostic Scan Tool (DST)
    Connecting to Service ADVISOR
    Data Parameter Description
    Engine Control Unit (ECU) — Donating this Engine’s ECU to be Used Elsewhere
    Engine Control Unit (ECU) — Replacing Current ECU with Another ECU
    Engine Control Unit (ECU) — Replacing Current ECU with Another ECU — Cannot Communicate with Current ECU
    Engine Control Unit (ECU) — Reprogramming Current ECU
    Engine Control Unit (ECU) — Reprogramming Instructions
    Downloading Payload File For DST
    Reprogramming Engine Control Unit (ECU) With DST
    Diagnostic Trouble Codes (DTCs)
    Listing of Diagnostic Trouble Codes (DTCs) on ECU
    Diagnostic Procedure
    Intermittent Fault Diagnostics
    T1 - Multi-state Throttle Input High
    T1 - Multi-state Throttle Input High
    T2 - Multi-state Throttle Input Low
    T2 - Multi-state Throttle Input Low
    T3 - Analog Throttle (A) Input High
    T3 - Analog Throttle (A) Input High
    T4 - Analog Throttle (A) Input Low
    T4 - Analog Throttle (A) Voltage Input Low
    T5 - Analog Throttle (B) Input High
    T5 - Analog Throttle (B) Input High
    T6 - Analog Throttle (B) Input Low
    T6 - Analog Throttle (B) Input Low
    T7 - CAN Throttle Invalid
    T7 - CAN Throttle Invalid
    T8 - PWM Throttle Input High
    T8 - PWM Throttle Input High
    T9 - PWM Throttle Input Low
    T9 - PWM Throttle Input Low
    T10 - PWM Abnormal Pulse Width
    T10 - PWM Abnormal Pulse Width
    000028.03 - Throttle Voltage High
    000028.04 - Throttle Voltage Low
    000029.03 - Throttle Voltage High
    000029.04 - Throttle Voltage Low
    000051.02 - Throttle Invalid
    000091.03 - Throttle Voltage High
    000091.04 - Throttle Voltage Low
    000091.08 - PWM Throttle Abnormal Pulse Width
    000091.09 - Throttle Invalid
    000097.00 — Water in Fuel Continuously Detected
    000097.00 - Water in Fuel Continuously Detected
    000097.16 — Water in Fuel Detected
    000097.16 - Water in Fuel Detected
    000097.31 — Water in Fuel Detected
    000097.31 - Water in Fuel Detected
    000100.01 — Engine Oil Pressure Extremely Low
    000100.01 - Engine Oil Pressure Extremely Low
    000100.03 — Engine Oil Pressure Input Voltage High
    000100.03 - Engine Oil Pressure Input Voltage High
    000100.04 — Engine Oil Pressure Input Voltage Low
    000100.04 - Engine Oil Pressure Input Voltage Low
    000100.18 — Engine Oil Pressure Moderately Low
    000100.18 - Engine Oil Pressure Moderately Low
    000105.00 - Derated Torque Curve Selected
    000105.03 — Manifold Air Temperature Input Voltage High
    000105.03 - Manifold Air Temperature Input Voltage High
    000105.04 — Manifold Air Temperature Input Voltage Low
    000105.04 - Manifold Air Temperature Input Voltage Low
    000105.09 - Manifold Air Temperature Invalid
    000105.16 — Manifold Air Temperature Moderately High
    000105.16 - Manifold Air Temperature Moderately High
    000107.00 — Air Filter Restriction High
    000107.00 - Air Filter Restriction High
    000110.00 — Engine Coolant Temperature Extremely High
    000110.00 - Engine Coolant Temperature Extremely High
    000110.03 — Engine Coolant Temperature Input Voltage High
    000110.03 - Engine Coolant Temperature Input Voltage High
    000110.04 — Engine Coolant Temperature Input Voltage Low
    000110.04 - Engine Coolant Temperature Input Voltage Low
    000110.09 - Engine Coolant Temperature Invalid
    000110.16 — Engine Coolant Temperature Moderately High
    000110.16 - Engine Coolant Temperature Moderately High
    000111.01 — Engine Coolant Level Low
    000111.01 - Engine Coolant Level Low
    000158.02 - Intermittent Loss of ECU Power Supply
    000160.02 — Wheel Speed Input Noise
    000160.02 - Wheel Speed Input Noise
    000171.03 — Ambient Air Temperature Input Voltage High
    000171.03 - Ambient Air Temperature Input Voltage High
    000171.04 — Ambient Air Temperature Input Voltage Low
    000171.04 - Ambient Air Temperature Input Voltage Low
    000174.00 — Fuel Temperature Moderately High
    000174.00 - Fuel Temperature Moderately High
    000174.03 — Fuel Temperature Input Voltage High
    000174.03 - Fuel Temperature Input Voltage High
    000174.04 — Fuel Temperature Input Voltage Low
    000174.04 - Fuel Temperature Input Voltage Low
    000174.16 — Fuel Temperature Moderately High
    000174.16 - Fuel Temperature Moderately High
    000177.02 - Transmission Oil Temperature Erratic
    000177.09 - Transmission Oil Temperature Invalid
    000189.00 - Engine Speed Derate
    000190.00 - Engine Overspeed Extreme
    000190.02 — Engine Speed Input Noise
    000190.02 - Engine Speed Input Noise
    000190.03 — Engine Speed Input Voltage High
    000190.03 - Engine Speed Input Voltage High
    000190.04 — Engine Speed Input Voltage Low
    000190.04 - Engine Speed Input Voltage Low
    000190.05 — Engine Speed Sensor Circuit Open
    000190.05 - Engine Speed Sensor Circuit Open
    000190.14 — Engine Speed/Pump Speed Out of Sync
    000190.14 - Engine Speed/Pump Speed Out of Sync
    000190.16 - Engine Overspeed Moderate
    000191.02 — Pump Speed Input Noise
    000191.02 - Pump Speed Input Noise
    000191.14 — Engine Speed/Pump Speed Out of Sync
    000191.14 - Engine Speed/Pump Speed Out of Sync
    000191.16 - Engine Overspeed Extreme
    000620.03 — Sensor Supply Voltage High
    000620.03 - Sensor Supply Voltage High
    000620.04 — Sensor Supply Voltage Low
    000620.04 - Sensor Supply Voltage Low
    000629.13 — ECU Error
    000629.13 - ECU Error
    000632.11 — Fuel Shut-Off Circuit Fault
    000632.11 - Fuel Shut-off Circuit Fault
    000638.02 — Rack Instability
    000638.02 - Rack Instability
    000638.07 — Rack Position Error
    000638.07 - Rack Position Error
    000639.00 — CAN Error
    000639.00 - CAN Error
    000639.02 — CAN Error
    000639.02 - CAN Error
    000639.13 — CAN Error
    000639.13 - CAN Error
    000640.11 — Engine Shutdown Signal Invalid
    000640.11 - Engine Shutdown Signal Invalid
    000640.31 - Auxiliary Engine Shutdown Switch Active
    000723.02 — Engine Speed Input Noise
    000723.02 - Engine Speed Input Noise
    000733.02 — Rack Position Error with Engine Off
    000733.02 - Rack Position Error with Engine Off
    000733.03 — Rack Position Voltage High
    000733.03 - Rack Position Voltage High
    000733.04 — Rack Position Voltage Low
    000733.04 - Rack Position Voltage Low
    000833.00 — Rack Position Calibration Error
    000833.00 - Rack Position Calibration Error
    000833.01 — Rack Position Calibration Error
    000833.01 - Rack Position Calibration Error
    000833.02 — Rack Position Error with Engine Off
    000833.02 - Rack Position Error with Engine Off
    000833.03 — Rack Position Voltage High
    000833.03 - Rack Position Voltage High
    000833.04 — Rack Position Voltage Low
    000833.04 - Rack Position Voltage Low
    000833.07 — Rack Position Calibration Error
    000833.07 - Rack Position Calibration Error
    000833.15 — Rack Position Calibration Error
    000833.15 - Rack Position Calibration Error
    000833.17 — Rack Position Calibration Error
    000833.17 - Rack Position Calibration Error
    000834.02 — Rack Instability
    000834.02 - Rack Instability
    000834.03 — Rack Actuator Control Circuit Short to Power
    000834.03 - Rack Actuator Control Circuit Short to Power
    000834.05 — Rack Actuator Control Circuit Open
    000834.05 - Rack Actuator Control Circuit Open
    000834.06 — Rack Actuator Control Circuit Short to Ground
    000834.06 - Rack Actuator Control Circuit Short To Ground
    000834.07 — Rack Position Error
    000834.07 - Rack Position Error
    000898.09 - Vehicle Speed Invalid
    000970.00 - Auxiliary Engine Shutdown Switch Active
    000970.11 — Engine Shutdown Signal Invalid
    000970.11 - Engine Shutdown Signal Invalid
    000970.31 - Auxiliary Engine Shutdown Switch Active
    001041.02 — Start Signal Missing
    001041.02 - Start Signal Missing
    001041.03 — Start Signal Always Active
    001041.03 - Start Signal Always Active
    001069.09 - Tire Size Invalid
    001069.31 - Tire Size Error
    001082.09 - Engine Coolant Load Increase Invalid
    001109.14 - Engine Shutdown
    001110.31 - Engine Shutdown
    001568.02 - Torque Curve Selection Invalid
    001568.09 - Torque Curve Selection Invalid
    001569.31 - Fuel Derate
    001639.01 — Fan Speed Input Missing
    001639.01 - Fan Speed Input Missing
    001639.02 — Fan Speed Input Noise
    001639.02 - Fan Speed Input Noise
    001639.16 — Fan Speed Higher Than Expected
    001639.16 - Fan Speed Higher Than Expected
    001639.18 — Fan Speed Lower Than Expected
    001639.18 - Fan Speed Lower Than Expected
    002000.09 - Vehicle ID Missing
    002000.13 - Security Violation
About This Group of the Manual
About This Group of the Manual
F4 - Excessive Fuel Filter Replacement
D2 - ECU Does Not Communicate with Diagnostic Gauge
D3 - Error Codes on Electronic Governor Tester (JT05829)
Check Fuel Supply Quality
Measure Fuel Supply Pump Pressure
Check Fuel Supply Pump Operation
Bleed the Fuel System
  At Final Fuel Filter:
  At Fuel Injection Pump:
  At Fuel Injection Nozzles:
Cylinder Misfire Test
Test for Fuel Drain Back
Test for Air in Fuel
Check for Restricted Fuel Return Line
Check and Adjust Injection Pump Static Timing
Load Profile Information Test — Instructions
  Updated View
  Original view
  Application List
  Test Procedure
  Saving the data
Diagnostic Test Box — Using
  Diagnostic Test Box — Functionality
  Before Connecting Diagnostic Test Box
  Diagnostic Test Box — User Instructions
  Diagnostic Test Box — Operational Test Procedure
About This Group the Manual
About This Group the Manual
Electrical Concept
Electrical Circuit Malfunctions
  Circuit Malfunctions
  Definition of Circuit Malfunctions
  Locations of Circuit Malfunctions:
Troubleshooting Circuit Malfunctions
Using a Digital Multimeter
Using the JT07349 Break-Out-Box (BOB)
Determining Torque Curve Selection Using the Break-Out-Box (BOB)
Determining Governor Droop Mode Selection Using the Break-Out-Box (BOB)
Measuring Full Throttle Voltage Values Using Diagnostic Voltage Connector
Measuring Rack Position Voltage Using the Diagnostic Voltage Connector
Engine Configuration Data Parameters on Diagnostic Gauge
Viewing Active DTCs on Diagnostic Gauge
Viewing Stored DTCs on Diagnostic Gauge
Clearing Stored DTCs on Diagnostic Gauge
Blinking DTCs Using the Diagnostic Code Reader Connector
Clearing Stored Codes Using the Diagnostic Code Reader Connector
Connecting to Diagnostic Scan Tool (DST)
Connecting to Service ADVISOR
  Connecting to Service ADVISOR with EDL Adapter using USB Cable
  Connecting to Service ADVISOR with EDL Adaptor using Bluetooth
Data Parameter Description
Engine Control Unit (ECU) — Donating this Engine’s ECU to be Used Elsewhere
  Additional Screens
Engine Control Unit (ECU) — Replacing Current ECU with Another ECU
Engine Control Unit (ECU) — Replacing Current ECU with Another ECU — Cannot Communicate with Current ECU
Engine Control Unit (ECU) — Reprogramming Current ECU
Engine Control Unit (ECU) — Reprogramming Instructions
  Reprogramming Current ECU
  Replacing Current ECU with Another ECU
  Donating this Engines’ ECU to be Used Elsewhere
  Replacing Current ECU with Another ECU — Cannot Communicate with Current ECU
Downloading Payload File For DST
Reprogramming Engine Control Unit (ECU) With DST
Diagnostic Trouble Codes (DTCs)
Listing of Diagnostic Trouble Codes (DTCs) on ECU
  Ascending SPN/FMI Codes
  2 or 3-Digit Codes
Diagnostic Procedure
Intermittent Fault Diagnostics
T1 - Multi-state Throttle Input High
T1 - Multi-state Throttle Input High
T2 - Multi-state Throttle Input Low
T2 - Multi-state Throttle Input Low
T3 - Analog Throttle (A) Input High
T3 - Analog Throttle (A) Input High
T4 - Analog Throttle (A) Input Low
T4 - Analog Throttle (A) Voltage Input Low
T5 - Analog Throttle (B) Input High
T5 - Analog Throttle (B) Input High
T6 - Analog Throttle (B) Input Low
T6 - Analog Throttle (B) Input Low
T7 - CAN Throttle Invalid
T7 - CAN Throttle Invalid
T8 - PWM Throttle Input High
T8 - PWM Throttle Input High
T9 - PWM Throttle Input Low
T9 - PWM Throttle Input Low
T10 - PWM Abnormal Pulse Width
T10 - PWM Abnormal Pulse Width
000097.00 — Water in Fuel Continuously Detected
000097.16 — Water in Fuel Detected
000097.31 — Water in Fuel Detected
000100.01 — Engine Oil Pressure Extremely Low
000100.03 — Engine Oil Pressure Input Voltage High
000100.04 — Engine Oil Pressure Input Voltage Low
000100.18 — Engine Oil Pressure Moderately Low
000105.03 — Manifold Air Temperature Input Voltage High
000105.04 — Manifold Air Temperature Input Voltage Low
000105.16 — Manifold Air Temperature Moderately High
000107.00 — Air Filter Restriction High
000110.00 — Engine Coolant Temperature Extremely High
000110.03 — Engine Coolant Temperature Input Voltage High
000110.04 — Engine Coolant Temperature Input Voltage Low
000110.16 — Engine Coolant Temperature Moderately High
000111.01 — Engine Coolant Level Low
000160.02 — Wheel Speed Input Noise
000171.03 — Ambient Air Temperature Input Voltage High
000171.04 — Ambient Air Temperature Input Voltage Low
000174.00 — Fuel Temperature Moderately High
000174.03 — Fuel Temperature Input Voltage High
000174.04 — Fuel Temperature Input Voltage Low
000174.16 — Fuel Temperature Moderately High
000190.02 — Engine Speed Input Noise
000190.03 — Engine Speed Input Voltage High
000190.04 — Engine Speed Input Voltage Low
000190.05 — Engine Speed Sensor Circuit Open
000190.14 — Engine Speed/Pump Speed Out of Sync
000191.02 — Pump Speed Input Noise
000191.14 — Engine Speed/Pump Speed Out of Sync
000620.03 — Sensor Supply Voltage High
000620.04 — Sensor Supply Voltage Low
000629.13 — ECU Error
000632.11 — Fuel Shut-Off Circuit Fault
000638.02 — Rack Instability
000638.07 — Rack Position Error
000639.00 — CAN Error
000639.02 — CAN Error
000639.13 — CAN Error
000640.11 — Engine Shutdown Signal Invalid
000723.02 — Engine Speed Input Noise
000733.02 — Rack Position Error with Engine Off
000733.03 — Rack Position Voltage High
000733.04 — Rack Position Voltage Low
000833.00 — Rack Position Calibration Error
000833.01 — Rack Position Calibration Error
000833.02 — Rack Position Error with Engine Off
000833.03 — Rack Position Voltage High
000833.04 — Rack Position Voltage Low
000833.07 — Rack Position Calibration Error
000833.15 — Rack Position Calibration Error
000833.17 — Rack Position Calibration Error
000834.02 — Rack Instability
000834.03 — Rack Actuator Control Circuit Short to Power
000834.05 — Rack Actuator Control Circuit Open
000834.06 — Rack Actuator Control Circuit Short to Ground
000834.07 — Rack Position Error
000970.11 — Engine Shutdown Signal Invalid
001041.02 — Start Signal Missing
001041.03 — Start Signal Always Active
001639.01 — Fan Speed Input Missing
001639.02 — Fan Speed Input Noise
001639.16 — Fan Speed Higher Than Expected
001639.18 — Fan Speed Lower Than Expected
Section 05: Tools and Other Materials
  Group 170: Electronic Fuel/Control System Repair Tools and Other Materials
    Fuel System Repair and Adjustment - Essential Tools
    Fuel System Repair and Adjustment - Service Equipment and Tools
    Fuel System Repair and Adjustment - Other Material
    Control System Repair and Adjustment - Essential Tools
    Control System Repair and Adjustment - Other Material
  Group 180: Diagnostic Service Tools
    JDE81-4
    JDG820
    JDG886
    JDG10460
    JDG10461
    JDG10466
    JDG11233
    JDG11263
    JT05470
    JT05829
    JT07306
    JT07328
    JT07349
Fuel System Repair and Adjustment - Essential Tools
Fuel System Repair and Adjustment - Essential Tools
Fuel System Repair and Adjustment - Service Equipment and Tools
Fuel System Repair and Adjustment - Other Material
Control System Repair and Adjustment - Essential Tools
Control System Repair and Adjustment - Other Material
JDE81-4
JDE81-4
JDG820
JDG886
JDG10460
JDG10461
JDG10466
JDG11233
JDG11263
JT05470
JT05829
JT07306
JT07328
JT07349
Section 06: Specifications
  Group 200: Repair Specifications
    Unified Inch Bolt and Screw Torque Values
    Metric Bolt and Screw Torque Values
    Electronic Fuel System Repair Specifications
    Electronic Engine Control Repair Specifications
  Group 210: Diagnostic Specifications
    Fuel System Diagnostic Specifications
    Torque Curve Selection
    Governor Droop Mode Selection
    Input Voltage to ECU for Applications with Analog Throttle at Full Throttle
    6.8 L and 8.1 L OEM Application Electronic Control System Wiring Diagram
    8.1L Marine Application Electronic Control System Wiring Diagram
    6.8 L & 8.1 L OEM Application Instrument Panel/Engine Start Components Electrical Wiring Diagram
    6.8 L & 8.1 L OEM Application Instrument Panel/Engine Start Components Electrical Wiring Diagram - Continued
Unified Inch Bolt and Screw Torque Values
Unified Inch Bolt and Screw Torque Values
Metric Bolt and Screw Torque Values
Electronic Fuel System Repair Specifications
Electronic Engine Control Repair Specifications
Fuel System Diagnostic Specifications
  Fuel Injection Nozzle Delivery Lines
  Overflow Valve on Injection Pump
  Fuel Shut-off Solenoid
Fuel System Diagnostic Specifications
  Fuel Injection Nozzle Delivery Lines
  Overflow Valve on Injection Pump
  Fuel Shut-off Solenoid
Torque Curve Selection
  John Deere Applications
  OEM and Marine Applications
Governor Droop Mode Selection
  John Deere Applications
  OEM and Marine Applications
Input Voltage to ECU for Applications with Analog Throttle at Full Throttle
6.8 L and 8.1 L OEM Application Electronic Control System Wiring Diagram
8.1L Marine Application Electronic Control System Wiring Diagram
6.8 L & 8.1 L OEM Application Instrument Panel/Engine Start Components Electrical Wiring Diagram
6.8 L & 8.1 L OEM Application Instrument Panel/Engine Start Components Electrical Wiring Diagram - Continued
ctm134 - 6.8L & 8.1L PowerTech™ Diesel Engines Level 3Electronic Fuel Systems with Bosch In-Line Pump -: (Worldwide Edition) Component Technical Manual  Main Sections
  Forward
  Section 01: General
    Safety
    Engine Identification
    Fuels
  Section 02: Repair and Adjustments
    Electronic Fuel System Repair and Adjustments
    Electrical Engine Control Repair and Adjustment
  Section 03: Theory of Operation
    Electronic Fuel System Operation
    Electronic Control System Operation
  Section 04: Diagnostics
    Observable Diagnostics and Tests
    Trouble Code Diagnostics and Tests
  Section 05: Tools and Other Materials
    Electronic Fuel/Control System Repair Tools and Other Materials
    Diagnostic Service Tools
  Section 06: Specifications
    Repair Specifications
    Diagnostic Specifications

John Deere 6.8L & 8.1L PowerTech Diesel Engines Level 3 Electronic Fuel Systems with Bosch In-Line Pump Component Technical Manual (CTM134)