John Deere 85G Excavator Operation & Test Service Manual - TM12867
Complete Diagnosis & Test service manual with Electrical Wiring Diagrams for John Deere 85G Excavator, with all the workshop information to maintain, diagnose, and rebuild like professional mechanics.
John Deere 85G Excavator workshop diagnosis service 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.
TM12867 - Operation & Test (John Deere 85G Excavator).pdf
TM12867 - Operation & Test (John Deere 85G Excavator).epub
Total Pages: 1,104 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Language: English
Table of Contents - Expanded View
Foreword
Technical Information Feedback Form
General Information
Safety
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Control Pattern Selector—If Equipped
Add Cab Guarding for Special Uses
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Fluids
Avoid High-Pressure Oils
Work In Ventilated Area
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Decommissioning — Proper Recycling and Disposal of Fluids and Components
Exhaust Filter Ash Handling and Disposal
Prepare for Emergencies
Clean Debris from Machine
Use Steps and Handholds Correctly
Start Only From Operator's Seat
Use and Maintain Seat Belt
Prevent Unintended Machine Movement
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Inspect and Maintain ROPS
Avoid Machine Tip Over
Use Special Care When Lifting Objects
Add and Operate Attachments Safely
Park and Prepare for Service Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Clean Exhaust Filter Safely
Diagnostics
Main Controller (MCZ) Diagnostic Trouble Codes
Main Controller (MCZ) Diagnostic Trouble Codes
Controller Area Network 0 (CAN 0) Circuit Diagnostics
Controller Area Network 1 (CAN 1) Circuit Diagnostics
Interface Controller Area Network (N-CAN) Diagnostics
011000.02 - Abnormal EEPROM
011001.02 - Abnormal RAM
011002.02 - Abnormal A/D Converter
011003.03 - Abnormal Sensor Voltage
011006.02 - Engine Controller Communication Error
011007.02 - (CAN 0) Data Converter Communication Error 1
011008.02 - (CAN 1) Data Converter Communication Error 2
011009.02 - (CAN 0) Monitor Controller Communication Error 1
011010.02 - (CAN 1) Monitor Controller Communication Error 2
011100.02 - Abnormal Engine Speed
011101.03 - Engine Control Dial Sensor Circuit High Input
011101.04 - Engine Control Dial Sensor Circuit Low Input
011304.03 - Travel Pilot Pressure Sensor Circuit High Input
011304.04 - Travel Pilot Pressure Sensor Circuit Low Input
011307.03 - Front Pilot Pressure Sensor Circuit High Input
011307.04 - Front Pilot Pressure Sensor Circuit Low Input
011401.02 - Torque Pressure Solenoid Valve Abnormal Feedback
011401.03 - Torque Pressure Solenoid Valve Feedback High Current
011401.04 - Torque Pressure Solenoid Valve Feedback Low Current
011407.02 - Travel Mode Selector Solenoid Valve Abnormal Feedback
011407.03 - Travel Mode Selector Solenoid Valve Feedback High Current
011407.04 - Travel Mode Selector Solenoid Valve Feedback Low Current
011408.02 - 2-Spool Solenoid Valve Unit (SJ) Abnormal Feedback
011408.03 - 2-Spool Solenoid Valve Unit (SJ) Feedback High Input
011408.04 - 2-Spool Solenoid Valve Unit (SJ) Feedback Low Input
011409.02 - 2-Spool Solenoid Valve Unit (SZ) Abnormal Feedback
011409.03 - 2-Spool Solenoid Valve Unit (SZ) Feedback High Input
011409.04 - 2-Spool Solenoid Valve Unit (SZ) Feedback Low Input
011434.02 - Attachment Relief 1 (Upper) Proportional Solenoid Valve Abnormal Feedback
011434.03 - Attachment Relief 1 (Upper) Proportional Solenoid Valve Feedback High Current
011434.04 - Attachment Relief 1 (Upper) Proportional Solenoid Valve Feedback Low Current
011435.02 - Attachment Relief 2 (Lower) Proportional Solenoid Valve Abnormal Feedback
011435.03 - Attachment Relief 2 (Lower) Proportional Solenoid Valve Feedback High Current
011435.04 - Attachment Relief 2 (Lower) Proportional Solenoid Valve Feedback Low Current
011436.02 - Breaker Relief Proportional Solenoid Valve Abnormal Feedback
011436.03 - Breaker Relief Proportional Solenoid Valve Feedback High Current
011436.04 - Breaker Relief Proportional Solenoid Valve Feedback Low Current
011458.02 - (Auxiliary) Discontinuity of Selector Valve
011459.02 - Discontinuity of Auto Shut-Down Control Power Line
011810.03 - Electric Lever Operating Pressure Sensor 1 High Voltage
011810.04 - Electric Lever Operating Pressure Sensor 1 Low Voltage
011811.03 - Electric Lever Operating Pressure Sensor 2 High Voltage
011811.04 - Electric Lever Operating Pressure Sensor 2 Low Voltage
011812.02 - OPT Electric Lever 1 Neutral Abnormal
011813.02 - OPT Electric Lever 1 Abnormal Operation
011814.02 - OPT Electric Lever 2 Neutral Abnormal
011815.02 - OPT Electric Lever 2 Abnormal Operation
011816.02 - OPT Solenoid 1 Feedback Abnormal
011816.03 - OPT Solenoid 1 Feedback Current High
011816.04 - OPT Solenoid 1 Feedback Current Low
011817.02 - OPT Solenoid 2 Feedback Abnormal
011817.03 - OPT Solenoid 2 Feedback Current High
011817.04 - OPT Solenoid 2 Feedback Current Low
011818.02 - OPT Solenoid 3 Feedback Abnormal
011818.03 - OPT Solenoid 3 Feedback Current High
011818.04 - OPT Solenoid 3 Feedback Current Low
011819.02 - OPT Solenoid 4 Feedback Abnormal
011819.03 - OPT Solenoid 4 Feedback Current High
011819.04 - OPT Solenoid 4 Feedback Current Low
015011.03 - Hydraulic Oil Temperature Sensor Circuit High Input (Pilot)
015011.04 - Hydraulic Oil Temperature Sensor Circuit Low Input (Pilot)
015016.03 - Right Analog Stroke Sensor Circuit High Input
015016.04 - Right Analog Stroke Sensor Circuit Low Input
015017.03 - Left Analog Stroke Sensor Circuit High Input
015017.04 - Left Analog Stroke Sensor Circuit Low Input
020010.02 - Exhaust Filter Alarm
020011.02 - Electric Lever Alarm
020012.02 - Line Filter Restriction Alarm
020303.02 - Electric Lever Pilot Cut Alarm
Engine Control Unit (ECU) Diagnostic Trouble Codes
Engine Control Unit (ECU) Diagnostic Trouble Codes
000051.03 - Intake Throttle Opening Sensor Fault (High Voltage) (P02E9) (00033-03)
000051.04 - Intake Throttle Opening Sensor Fault (Low Voltage) (P02E8) (00033-04)
000091.03 - Acceleration Sensor 1 Fault (High Voltage) (P0123) (0005B-03)
000091.04 - Acceleration Sensor 1 Fault (Low Voltage) (P0122) (0005B-04)
000100.01 - Low Oil Pressure Fault Alarm (P1198) (00064-01)
000100.04 - Oil Pressure Switch Open Circuit (P1192) (00064-04)
000102.03 - Exhaust Gas Recirculation (EGR) Low Pressure Side Sensor Fault (High Voltage) (P0238) (00066-03)
000102.04 - Exhaust Gas Recirculation (EGR) Low Pressure Side Sensor Fault (Low Voltage) (P0237) (00066-04)
000105.03 - Intake Air Temperature Sensor Fault (High Voltage) (P040D) (00069-03)
000105.04 - Intake Air Temperature Sensor Fault (Low Voltage) (P040C) (00069-04)
000108.03 - Atmospheric Pressure Sensor Fault (High Voltage) (P2229) (0006C-03)
000108.04 - Atmospheric Pressure Sensor Fault (Low Voltage) (P2228) (0006C-04)
000108.10 - Atmospheric Pressure Sensor Characteristic Fault (P1231) (0006C-0A)
000110.00 - Cooling Water Temperature Sensor Temperature Abnormal High (Overheat) (P0217) (0006E-00)
000110.03 - Cooling Water Temperature Sensor Fault (High Voltage) (P0118) (0006E-03)
000110.04 - Cooling Water Temperature Sensor Fault (Low Voltage) (P0117) (0006E-04)
000157.00 - Actual Rail Pressure Rise Error (P0088) (0009D-00)
000157.03 - Rail Pressure Sensor Fault (High Voltage) (P0193) (0009D-03)
000157.04 - Rail Pressure Sensor Fault (Low Voltage) (P0192) (0009D-04)
000157.15 - Rail Pressure Deviation Error During the Actual Rail Pressure Rise (P0093) (0009D-0F)
000157.16 - Pressure Limit Valve (PLV) Open Valve (P000F) (0009D-10)
000157.18 - Rail Pressure Deviation Error During the Actual Rail Pressure Drop (P0094) (0009D-12)
000167.01 - Charge Alarm (P1568) (000A7-01)
000167.05 - Charge Switch Open Circuit (P1562) (000A7-05)
000172.03 - New Air Temperature Sensor Fault (High Voltage) (P0113) (000AC-03)
000172.04 - New Air Temperature Sensor Fault (Low Voltage) (P0112) (000AC-04)
000173.03 - Exhaust Air Temperature Sensor Fault (High Voltage) (P0546) (000AD-03)
000173.04 - Exhaust Air Temperature Sensor Fault (Low Voltage) (P0545) (000AD-04)
000174.00 - Fuel Temperature Sensor Temperature Abnormal High (P0168) (000AE-00)
000174.03 - Fuel Temperature Sensor Fault (High Voltage) (P0183) (000AE-03)
000174.04 - Fuel Temperature Sensor Fault (Low Voltage) (P0182) (000AE-04)
000190.00 - Overspeed (P0219) (000BE-00)
000412.03 - Exhaust Gas Recirculation (EGR) Gas Temperature Sensor Fault (High Voltage) (P041D) (0019C-03)
000412.04 - Exhaust Gas Recirculation (EGR) Gas Temperature Sensor Fault (Low Voltage) (P041C) (0019C-04)
000630.12 - EEPROM Memory Deletion Error (P0601) (00276-0C)
000633.05 - High Pressure Pump Drive Circuit (Open Circuit) (P0627) (00279-05)
000633.06 - High Pressure Pump Drive Circuit (High Side Ground Short Circuit) (P1642) (00279-06)
000651.03 - Injector 1 Short Circuit (4TNV) (P1271) (0028B-03)
000651.05 - Injector 1 Open Circuit (Inherent Location of the Injector) (4TNV) (P0204) (0028B-05)
000651.06 - Injector 1 Coil Short Circuit (4TNV) (P0271) (0028B-06)
000651.11 - Injector 1 Unclassified (4TNV) (P1272) (0028B-0B)
000652.03 - Injector 4 Short Circuit (P1268) (0028C-03)
000652.05 - Injector 4 Open Circuit (Inherent Location of the Injector) (P0203) (0028C-05)
000652.06 - Injector 4 Coil Short Circuit (P0268) (0028C-06)
000652.11 - Injector 4 Unclassified (P1269) (0028C-0B)
000653.03 - Injector 2 Short Circuit (P1265) (0028D-03)
000653.05 - Injector 2 Open Circuit (Inherent Location of the Injector) (P0202) (0028D-05)
000653.06 - Injector 2 Coil Short Circuit (P0265) (0028D-06)
000653.11 - Injector 2 Unclassified (P1266) (0028D-0B)
000654.03 - Injector 3 Short Circuit (P1262) (0028E-03)
000654.05 - Injector 3 Open Circuit (Inherent Location of the Injector) (P0201) (0028E-05)
000654.06 - Injector 3 Coil Short Circuit (P0262) (0028E-06)
000654.11 - Injector 3 Unclassified (P1263) (0028E-0B)
001209.03 - Exhaust Gas Recirculation (EGR) High Pressure Side Sensor Fault (High Voltage) (P0473) (004B9-03)
001209.04 - Exhaust Gas Recirculation (EGR) High Pressure Side Sensor Fault (Low Voltage) (P0472) (004B9-04)
001485.02 - Power Off Without Main Relay Self Holding (P068A) (005CD-02)
001485.07 - Main Relay Contact Stuck (P068B) (005CD-07)
002791.00 - Exhaust Gas Recirculation (EGR) High Voltage Malfunction (P0404) (00AE7-00)
002791.01 - Exhaust Gas Recirculation (EGR) Low Voltage Malfunction (P0404) (00AE7-01)
002791.01 - Exhaust Gas Recirculation (EGR) Low Voltage Malfunction (P1404) (00AE7-01)
002791.07 - Exhaust Gas Recirculation (EGR) Feedback Malfunction (P1409) (00AE7-07)
002791.09 - EGRECM Data Fault (U0401) (00AE7-09)
002791.12 - Open Circuit Between The Exhaust Gas Recirculation (EGR) Motor Coils (P0403) (00AE7-0C)
002797.06 - Injector Drive Circuit (Bank1) Short Circuit (P1146) (00AED-06)
002798.06 - Injector Drive Circuit (Bank 2) Short Circuit (4TN: Circuit For No. 2 And No. 3 Cylinders) (P1149) (00AEE-06)
002950.03 - Power Short Circuit of Throttle Valve Drive H Bridge Output 1 (P1658) (00B86-03)
002950.04 - Ground Short Circuit of Throttle Valve Drive H Bridge Output 1 (P1659) (00B86-04)
002950.05 - No Load of Throttle Valve Drive H Bridge Circuit (P0660) (00B86-05)
002951.03 - Power Short Circuit of Throttle Valve Drive H Bridge Output 2 (P1661) (00B87-03)
002951.04 - Ground Short Circuit of Throttle Valve Drive H Bridge Output 2 (P1662) (00B87-04)
003242.00 - DPF Inlet Temperature Sensor Temperature Abnormal High (P1436) (00CAA-00)
003242.03 - DPF Inlet Temperature Sensor Fault (High Voltage) (P1428) (00CAA-03)
003242.04 - DPF Inlet Temperature Sensor Fault (Low Voltage) (P1427) (00CAA-04)
003250.00 - DPF Intermediate Temperature Sensor Temperature Abnormal High (Post-Injection Error) (P1426) (00CB2-00)
003250.01 - DPF Intermediate Temperature Sensor Temperature Abnormal Low Temperature (P0420) (00CB2-01)
003250.03 - DPF Intermediate Temperature Sensor Fault (High Voltage) (P1434) (00CB2-03)
003250.04 - DPF Intermediate Temperature Sensor Fault (Low Voltage) (P1435) (00CB2-04)
003251.00 - DPF Differential Pressure Sensor Differential Pressure Abnormal High (P2452) (00CB3-00)
003251.03 - DPF Differential Pressure Sensor Fault (High Voltage) (P2455) (00CB3-03)
003251.04 - DPF Differential Pressure Sensor Fault (Low Voltage) (P2454) (00CB3-04)
003251.16 - Maintenance (Maintenance Not Performed For A Given Period of Time) (P1437) (00CB3-10)
003609.03 - DPF High Pressure Side Sensor Fault (High Voltage) (P1455) (00E19-03)
003609.04 - DPF High Pressure Side Sensor Fault (Low Voltage) (P1454) (00E19-04)
003719.00 - Backup Mode (P1424) (00E87-00)
003719.16 - Stationary Regeneration Standby (P1421) (00E87-10)
003720.00 - Ash Cleaning Request 2 (P1420) (00E88-00)
003720.16 - Ash Cleaning Request 1 (P242F) (00E88-10)
004257.12 - Injector Drive IC Error (P0611) (010A1-0C)
522243.05 - Start Assist Relay Interrupted (P0543) (7F803-05)
522243.06 - Startup Assist Relay Ground Interrupted (P0541) (7F803-06)
522323.00 - Air Cleaner Clogged Alarm (P1101) (7F853-00)
522329.00 - Oil/Water Separator Alarm (P1151) (7F859-00)
522400.02 - Crank Speed Sensor (P0336) (7F8A0-02)
522400.05 - No Crank Signal (P0337) (7F8A0-05)
522401.02 - Cam Signal Malfunction (P0341) (7F8A1-02)
522401.05 - No Cam Signal (P0342) (7F8A1-05)
522401.07 - Angle Offset Error (P1341) (7F8A1-07)
522571.03 - SCV (MPROP) High Pressure Pump Drive Circuit (Low Side VB Short Circuit) (P1641) (7F94B-03)
522571.06 - SCV (MPROP) High Pressure Pump Drive Circuit (Low Side Ground Short Circuit) (P1643) (7F94B-06)
522573.00 - Overaccumulation (Method C) (P2463) (7F94D-00)
522574.00 - Overaccumulation (Method P) (P1463) (7F94E-00)
522575.07 - Regeneration Defect (Stationary Regeneration Error) (P2458) (7F94F-07)
522577.11 - Regeneration Defect (Stationary Regeneration Not Performed) (P2459) (7F951-0B)
522596.09 - TSC1 Reception Time Out Error (SA1) (U0292) (7F964-09)
522597.09 - TSC1 Reception Time Out Error (U1301) (7F965-09)
522599.09 - Y_ECR1 Reception Time Out Error (U1292) (7F967-09)
522600.09 - Y_EC Reception Time Out Error (U1293) (7F968-09)
522609.09 - Y_ETCP1 Reception Time Out Error (U1300) (7F971-09)
522610.09 - CAN1 (For EGR) Reception Time Out Error (U010B) (7F972-09)
522610.19 - CAN1 (For EGR) Reception Data Length Error (U040C) (7F972-13)
522619.09 - Y_DPFIF Reception Time Out (U1303) (7F97B-09)
522994.03 - Actuator Drive Circuit 1 VB Short Circuit (P160A) (7FAF2-03)
522994.04 - Actuator Drive Circuit 1 Ground Short Circuit (P1626) (7FAF2-04)
522994.11 - SW Reset (Recovery) Execution 1 (P160B) (7FAF2-0B)
522994.12 - WDA/ABE Communication Error (P1607) (7FAF2-0C)
523249.05 - No Signal on Both Crank and Cam Speed Sensor (P0008) (7FBF1-05)
523489.00 - Rail Pressure Error (The Actual Rail Pressure is Too High During PRV Limp Home) (P1668) (7FCE1-00)
Monitor Controller (DSZ) Diagnostic Trouble Codes
Monitor Controller (DSZ) Diagnostic Trouble Codes
013000.02 - Flash Memory Error 1
013001.02 - Flash Memory Error 2
013002.02 - ECU Communication Error
013003.02 - Main Controller (MCZ) Communication Error 1
013004.02 - Main Controller (MCZ) Communication Error 2
013005.02 - Monitor Controller (DSZ) Communication Error 1
013006.02 - Monitor Controller (DSZ) Communication Error 2
013007.02 - Machine Controller (BCZ) Communication Error
013303.02 - Abnormal Monitor Internal Temperature Sensor
013304.02 - Alternator Alarm
013310.03 - Shorted Circuit in Coolant Temperature Sensor
013311.03 - Fuel Level Sensor Open Circuit
013311.04 - Fuel Level Sensor Shorted Circuit
014001.02 - Flash Memory Read/Write Error
014002.02 - External RAM Read/Write Error
014003.02 - Abnormal EEPROM
014006.02 - Communication Terminal:Communication Error
014008.02 - Abnormal Internal RAM
014021.02 - Communication Terminal Security Error
014022.02 - SIM Card Error
014023.02 - Security Error
020100.02 - Overheat Alarm
020101.02 - Engine Warning Alarm
020102.02 - Engine Oil Pressure Alarm
020105.02 - Hydraulic Oil Filter Restriction Alarm
020106.02 - Air Cleaner Restriction Alarm
020107.02 - Water Separator Alarm
020109.02 - Pilot Control Shut-Off Lever Alarm
020110.02 - Fuel Filter Restriction Alarm
020113.02 - System Error Alarm
020114.02 - Overheat Alarm
020133.02 - Crane Function Alarm
020137.02 - Exhaust Filter Alarm
020141.02 - Muffler Temperature Alarm
020142.02 - Intake Air Temperature Alarm
020145.02 - Boost Temperature Increase Alarm
020146.02 - Fuel Temperature Increase Alarm
020149.02 - EGR Gas Temperature Alarm
Air Conditioner Controller (ACF) Diagnostic Trouble Codes
Air Conditioner Controller (ACF) Diagnostic Trouble Codes
11 - Open Circuit in Air Recirculation Sensor
12 - Short-Circuited Air Recirculation Sensor
13 - Open Circuit in Ambient Air Temperature Sensor
14 - Short-Circuited Ambient Air Temperature Sensor
18 - Short-Circuited Solar Radiation Sensor
21 - Open Circuit in Air Conditioner Freeze Control Switch
22 - Short-Circuited Air Conditioner Freeze Control Switch
43 - Abnormal Air Conditioner and Heater Blower Port Change Servomotor
44 - Abnormal Air Conditioner and Heater Mixer Servomotor
51 - Abnormal High/Low Refrigerant Pressure
91 - Communication Error
92 - CAN Bus Off Error
Operational Checkout Procedure
Operational Checkout Procedure
Operational Checkout
Engine
Theory of Operation
Yanmar Engine
Engine Fuel System Component Location
Engine Cooling System Component Location
Cold Weather Starting Aid
Engine Speed Control System Operation
Diagnostic Information
Yanmar Engine
Adjustments
Yanmar Engine
Tests
Yanmar Engine
Electrical System
System Information
Electrical Diagram Information
System Diagrams
Explanation of Wire Markings
Fuse and Relay Specifications
System Functional Schematic, Component Location, and Wiring Diagram Master Legend
System Functional Schematic
Cab Harness (W1) Component Location
Cab Harness (W1) Wiring Diagram
Machine Harness (W2) Component Location
Machine Harness (W2) Wiring Diagram
Monitor Harness (W3) Component Location
Monitor Harness (W3) Wiring Diagram
Engine Harness (W4) Component Location
Engine Harness (W4) Wiring Diagram
Exhaust Filter Parked Cleaning Switch Harness (W9) Component Location
Exhaust Filter Parked Cleaning Switch Harness (W9) Wiring Diagram
Pilot Shutoff Switch Harness (W11) Component Location
Pilot Shutoff Switch Harness (W11) Wiring Diagram
Auxiliary Fuse Box Harness (W13) Component Location
Auxiliary Fuse Box Harness (W13) Wiring Diagram
Multi-Function Pilot Control Lever Harness (W15) Component Location
Multi-Function Pilot Control Lever Harness (W15) Wiring Diagram
Travel Alarm Cancel Switch Harness (W16) Component Location
Travel Alarm Cancel Switch Harness (W16) Wiring Diagram
Rear Camera Harness (W19) Component Location
Rear Camera Harness (W19) Wiring Diagram
9-Pin Service ADVISOR™ Connector (W20) Component Location
9-Pin Service ADVISOR™ Connector (W20) Wiring Diagram
Pilot Shutoff Valve Harness (W21) Component Location
Pilot Shutoff Valve Harness (W21) Wiring Diagram
Auxiliary 3-Button Cancel Switch Harness (W22) Component Location
Auxiliary 3-Button Cancel Switch Harness (W22) Wiring Diagram
12-Volt Power Converter Harness (W23) Component Location
12-Volt Power Converter Harness (W23) Wiring Diagram
Travel Alarm Cancel Switch Sub Harness (W27) Component Location
Travel Alarm Cancel Switch Sub Harness (W27) Wiring Diagram
Boom Light Harness (W28) Component Location
Boom Light Harness (W28) Wiring Diagram
Starter Switch Harness (W29) Component Location
Starter Switch Harness (W29) Wiring Diagram
Data Converter Harness (W30) Component Location
Data Converter Harness (W30) Wiring Diagram
Radiator Harness (W31) Component Location
Radiator Harness (W31) Wiring Diagram
Heater and Air Conditioner Harness (W41) Component Location
Heater and Air Conditioner Harness (W41) Wiring Diagram
Auxiliary Solenoid Harness (W61) Component Location
Auxiliary Solenoid Harness (W61) Wiring Diagram
Auxiliary Function Lever (AFL) Harness (W75) Component Location
Auxiliary Function Lever (AFL) Harness (W75) Wiring Diagram
Auxiliary Function Lever (AFL) Solenoid Harness (W76) Component Location
Auxiliary Function Lever (AFL) Solenoid Harness (W76) Wiring Diagram
Auxiliary Function Lever (AFL) Grip Harness (W77) Component Location
Auxiliary Function Lever (AFL) Grip Harness (W77) Wiring Diagram
Auxiliary Function Lever (AFL) Harness 2 (W79) Component Location
Auxiliary Function Lever (AFL) Harness 2 (W79) Wiring Diagram
Auxiliary Function Lever (AFL) Solenoid Jumper Harness (W80) Component Location
Auxiliary Function Lever (AFL) Solenoid Jumper Harness (W80) Wiring Diagram
Auxiliary Function Lever (AFL) Left Grip Harness (W81) Component Location
Auxiliary Function Lever (AFL) Left Grip Harness (W81) Wiring Diagram
Satellite (SAT) Harness (W6003) Component Location
Satellite (SAT) Harness (W6003) Wiring Diagram
JDLink™ Harness (W6004) Component Location
JDLink™ Harness (W6004) Wiring Diagram
Sub-System Diagnostics
Controller Area Network (CAN) Theory of Operation
Starting and Charging Circuit Theory of Operation
Monitor Controller (DSZ) Circuit Theory of Operation
Engine Control Unit (ECU) Circuit Theory of Operation
Exhaust Aftertreatment Circuit Theory of Operation
Main Controller (MCZ) Circuit Theory of Operation
Travel Alarm Circuit Theory of Operation
Machine Controller (BCZ) Circuit Theory of Operation
Windshield Wiper and Washer Circuit Theory of Operation
Lighting Circuit Theory of Operation
Pilot Shutoff Circuit Theory of Operation
Monitor Operation
Service Menu
Troubleshooting
Monitoring
Controller Version
Issued Warning Record
Operation
Machine Setting
Monitor Setting
Engine Setting
Exhaust Filter
References
Reading Diagnostic Trouble Codes with Monitor Display
Service ADVISOR™ Diagnostic Application
Service ADVISOR™ Connection Procedure
Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application
Diesel Particulate Filter (DPF) Service Recovery With Service ADVISOR™ Diagnostic Application
MPDr Application
MPDr Connection Procedure
Fuse Test
Relay Test
Glow Plug Relay Test
Pressure Sensor Test
Solenoid Test
Proportional Solenoid Test
Temperature Sensor Test
Alternator Test
Electrical Component Checks
Battery Remove and Install
Rear Cover Remove and Install
Rear Auxiliary Cover Remove and Install
Main Controller (MCZ) Remove and Install
Machine Controller (BCZ) Remove and Install
Engine Control Unit (ECU) Remove and Install
Data Converter Remove and Install
Monitor Controller (DSZ) Remove and Install
Air Conditioner Controller (ACF) Remove and Install
Key Switch Remove and Install
Right Switch Console Remove and Install
Left Switch Console Remove and Install
Travel Alarm Remove and Install
ECO Control Disable and Enable
Disconnect Tab Retainer Connectors
Disconnecting Spring Wire Clip Connectors
Replace DEUTSCH™ Connectors
Replace DEUTSCH™ Rectangular or Triangular Connectors
Install DEUTSCH™ Contact
Replace WEATHER PACK™ Connector
Install WEATHER PACK™ Contact
Replace (Pull Type) Metri-Pack™ Connectors
Replace (Push Type) Metri-Pack™ Connectors
Replace CINCH™ Connectors
Install CINCH™ Contact
Repair 32 and 48 Way CINCH™ Connectors
Remove Connector Body from Blade Terminals
Power Train
Theory of Operation
Track Adjuster and Recoil Spring Operation
Travel Gear Case Operation
Diagnostic Information
Noisy or Loose Track Chain
Tight Track Chain
Frequent Track Chain Sag Adjustment Required
Excessive Oil Leakage From Front Idler, Track Rollers, or Carrier Rollers
Bent Track Shoes (Steel Track Only)
“Popping” of Track
Cracked Track Link
Chipped Link Rails
Individual Undercarriage Component Wear
Measure Swing Bearing Wear
Hydraulic System
Theory of Operation
Hydraulic System Operation
Pilot System Operation
Pilot Pump, Pressure Regulating Valve, and Filter Operation
Pilot Shutoff Solenoid Valve Operation
Pilot Control Valve Operation
Control Lever Pattern Selector—If Equipped
Travel Pilot Control Valve Operation
Pilot Operation of Control Valve Operation
Flow Regulator Valve Operation
Swing Shockless Valve
Hydraulic Pump 1, 2, and 3 Operation
Hydraulic Pump Regulator Operation
Engine Speed Sensing Control Circuit Operation
Control Valve Operation
Control Valve Check Valves Identification and Operation
Main Relief Valve Circuit Operation
Circuit Relief and Anticavitation Valve Operation
Flow Combiner Valve Operation
Auxiliary Flow Combiner Valve Operation
Travel and Arm In Combined Operation
Swing and Boom Up Combined Operation
Boom Reduced Leakage Valve Operation
Swing Reduction Gear Case Operation
Swing Motor, Crossover Relief Valve, and Make-Up Check Valve Operation
Swing Motor Park Brake Release Circuit Operation
Center Joint Operation
Travel Motor and Park Brake Valve Operation
Travel Motor Speed Circuit Operation
Cylinder Operation
Return Filter Operation
Diagnostic Information
All Hydraulic Functions Slow
Hydraulic Oil Overheats
No Hydraulic Functions
Poor Combined Operation
All Functions Cannot Be Operated
Function Does Not Stop When Control Lever Is Released
Some Functions Cannot Be Operated, All Others Are Normal
Functions Move in Opposite Direction
All Dig Functions Slow or No Power
Some Dig Functions Slow (Not All)
Load Drifts Down When Control Lever is in Neutral Position
Load Drifts Down When Control Valve is Actuated To Raise Load With Engine Running at Slow Idle
Arm In Speed Slow
Swing Speed Slow in Both Directions
Swing Speed Slow or Does Not Operate in One Direction
Upperstructure Drift With Swing Valve in Neutral
Swing Function Does Not Operate
Engine Stops During Combined Operation of Swing and Front Attachment
Travel Park Brakes Do Not Apply
Track Will Not Move in One Direction
Track Will Not Move in Either Direction
Machine Mistracks at All Speeds in Both Directions
Slow Travel Speed or Low Power
Travel Speed Does Not Change to Slow Speed
Combined Travel and Dig Functions Slow or No Power
Travel is “Jerky”
Machine Will Not Hold Back and Park Brakes Engage and Disengage When Traveling Down an Incline
Machine Will Not Turn Smoothly in One Direction or Park Brake Grabs
Blade Does Not Move or Moves Slowly
Boom Swing Does Not Move or Moves Slowly
Pump 1, Pump 2, Pump 3, and Pilot Pump Line Identification
Control Valve Line Identification
Pilot Control Line Identification
Swing Motor Line Identification
Travel System Component Location
Travel Hydraulic System Line Connection
Blade System Component Location
Blade Hydraulic System Line Identification
Blade Hydraulic System Line Connections
Hydraulic System Schematic
Hydraulic System Component Location
Hydraulic System Line Connections
Tests
JT05800 Digital Thermometer Installation
JT02156A Digital Pressure and Temperature Analyzer Kit Installation
General Hydraulic Oil Cleanup Procedure
Hydraulic Component Failure Cleanup Procedure
Hydraulic Oil Tank Pressure Release Procedure
Hydraulic Oil Warm-Up Procedure
Pilot Pressure Regulating Valve Test and Adjustment
Control Valve Spool Actuating Pilot Pressure Test
Travel Speed Solenoid Valve Test and Adjustment
Torque Control Solenoid Valve Test and Adjustment
Main Relief Valve Test and Adjustment
Circuit Relief Valve Test and Adjustment
Swing Motor Crossover Relief Valve Test and Adjustment
Travel Motor Crossover Relief Valve Test and Adjustment
Pump Flow Test
Swing Motor Leakage Test
Travel Motor Leakage Test
Cylinder Drift Test—Boom, Arm, Bucket, and Blade
Heating and Air Conditioning
Theory of Operation
Air Conditioning System Cycle of Operation
Diagnostic Information
Air Conditioning System Does Not Operate
No Air Flow From Heater and Air Conditioner Vents
Air Conditioning Does Not Cool Interior of Cab
Air Conditioning Runs Constantly, Too Cold
Interior Windows Continue to Fog Using Air Conditioner
Heater System Does Not Operate
Heater Does Not Warm Interior of Cab
Interior Windows Continue to Fog Using Heater
Heater and Air Conditioner Diagnostic Trouble Code Check
Heater and Air Conditioner Component Location
Tests
Refrigerant Cautions and Proper Handling
Heater and Air Conditioner Operational Checks
Air Conditioner Compressor Clutch Test
Refrigerant Leak Test
Refrigerant Hoses and Tubing Inspection
Air Conditioner Compressor Belt Check and Adjustment
R134a Air Conditioning System Test
Operating Pressure Diagnostic Chart
John Deere 85G Excavator Operation & Test Service Manual - TM12867