Complete Diagnosis & Test Technical manual with Electrical Wiring Diagrams for John Deere 85G Excavator, with all the workshop information to service & diagnose.

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 English - Operation & Test (John Deere 85G Excavator).pdf
TM12867 (05JUN19) - John Deere 85G Excavator (PIN 1FF085GX_ _J017001— ) Operation & Test Technical Manual.PDF
tm12868 French - Excavatrice 85G.pdf
tm12869 Spanish - Excavadora 85G.pdf

Total Pages: 1,012 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Language: English French Spanish

TABLE OF CONTENTS
Section 9000: General Information....21
  Group 01: Safety....21
    Recognize Safety Information....24
    Follow Safety Instructions....25
    Operate Only If Qualified....26
    Wear Protective Equipment....27
    Avoid Unauthorized Machine Modifications....28
    Control Pattern Selector—If Equipped....29
    Add Cab Guarding for Special Uses....30
    Inspect Machine....31
    Stay Clear of Moving Parts....32
    Avoid High-Pressure Fluids....33
    Avoid High-Pressure Oils....34
    Work In Ventilated Area....35
    Prevent Fires....36
    Prevent Battery Explosions....37
    Handle Chemical Products Safely....38
    Decommissioning — Proper Recycling and Disposal of Fluids and Components....39
    Exhaust Filter Ash Handling and Disposal....40
    Prepare for Emergencies....41
    Clean Debris from Machine....42
    Use Steps and Handholds Correctly....43
    Start Only From Operator's Seat....44
    Use and Maintain Seat Belt....45
    Prevent Unintended Machine Movement....46
    Avoid Work Site Hazards....47
    Keep Riders Off Machine....49
    Avoid Backover Accidents....50
    Inspect and Maintain ROPS....51
    Avoid Machine Tip Over....52
    Use Special Care When Lifting Objects....54
    Add and Operate Attachments Safely....55
    Park and Prepare for Service Safely....56
    Service Cooling System Safely....57
    Remove Paint Before Welding or Heating....58
    Make Welding Repairs Safely....59
    Drive Metal Pins Safely....60
    Clean Exhaust Filter Safely....61
Section 9001: Diagnostics....64
  Group 10: Main Controller (MCZ) Diagnostic Trouble Codes....73
    Main Controller (MCZ) Diagnostic Trouble Codes....73
    Controller Area Network 0 (CAN 0) Circuit Diagnostics....74
    Controller Area Network 1 (CAN 1) Circuit Diagnostics....88
    Interface Controller Area Network (N-CAN) Diagnostics....105
    011000.02 - Abnormal EEPROM....64
    011001.02 - Abnormal RAM....64
    011002.02 - Abnormal A/D Converter....64
    011003.03 - Abnormal Sensor Voltage....64
    011006.02 - Engine Controller Communication Error....64
    011007.02 - (CAN 0) Data Converter Communication Error 1....64
    011008.02 - (CAN 1) Data Converter Communication Error 2....64
    011009.02 - (CAN 0) Monitor Controller Communication Error 1....64
    011010.02 - (CAN 1) Monitor Controller Communication Error 2....64
    011100.02 - Abnormal Engine Speed....64
    011101.03 - Engine Control Dial Sensor Circuit High Input....64
    011101.04 - Engine Control Dial Sensor Circuit Low Input....64
    011304.03 - Travel Pilot Pressure Sensor Circuit High Input....64
    011304.04 - Travel Pilot Pressure Sensor Circuit Low Input....64
    011307.03 - Front Pilot Pressure Sensor Circuit High Input....64
    011307.04 - Front Pilot Pressure Sensor Circuit Low Input....64
    011401.02 - Torque Pressure Solenoid Valve Abnormal Feedback....64
    011401.03 - Torque Pressure Solenoid Valve Feedback High Current....64
    011401.04 - Torque Pressure Solenoid Valve Feedback Low Current....64
    011407.02 - Travel Mode Selector Solenoid Valve Abnormal Feedback....64
    011407.03 - Travel Mode Selector Solenoid Valve Feedback High Current....64
    011407.04 - Travel Mode Selector Solenoid Valve Feedback Low Current....64
    011408.02 - 2-Spool Solenoid Valve Unit (SJ) Abnormal Feedback....64
    011408.03 - 2-Spool Solenoid Valve Unit (SJ) Feedback High Input....64
    011408.04 - 2-Spool Solenoid Valve Unit (SJ) Feedback Low Input....64
    011409.02 - 2-Spool Solenoid Valve Unit (SZ) Abnormal Feedback....64
    011409.03 - 2-Spool Solenoid Valve Unit (SZ) Feedback High Input....64
    011409.04 - 2-Spool Solenoid Valve Unit (SZ) Feedback Low Input....65
    011434.02 - Attachment Relief 1 (Upper) Proportional Solenoid Valve Abnormal Feedback....65
    011434.03 - Attachment Relief 1 (Upper) Proportional Solenoid Valve Feedback High Current....65
    011434.04 - Attachment Relief 1 (Upper) Proportional Solenoid Valve Feedback Low Current....65
    011435.02 - Attachment Relief 2 (Lower) Proportional Solenoid Valve Abnormal Feedback....65
    011435.03 - Attachment Relief 2 (Lower) Proportional Solenoid Valve Feedback High Current....65
    011435.04 - Attachment Relief 2 (Lower) Proportional Solenoid Valve Feedback Low Current....65
    011436.02 - Breaker Relief Proportional Solenoid Valve Abnormal Feedback....65
    011436.03 - Breaker Relief Proportional Solenoid Valve Feedback High Current....65
    011436.04 - Breaker Relief Proportional Solenoid Valve Feedback Low Current....65
    011458.02 - (Auxiliary) Discontinuity of Selector Valve....65
    011459.02 - Discontinuity of Auto Shut-Down Control Power Line....65
    011810.03 - Electric Lever Operating Pressure Sensor 1 High Voltage....65
    011810.04 - Electric Lever Operating Pressure Sensor 1 Low Voltage....65
    011811.03 - Electric Lever Operating Pressure Sensor 2 High Voltage....65
    011811.04 - Electric Lever Operating Pressure Sensor 2 Low Voltage....65
    011812.02 - OPT Electric Lever 1 Neutral Abnormal....65
    011813.02 - OPT Electric Lever 1 Abnormal Operation....747
    011814.02 - OPT Electric Lever 2 Neutral Abnormal....65
    011815.02 - OPT Electric Lever 2 Abnormal Operation....747
    011816.02 - OPT Solenoid 1 Feedback Abnormal....65
    011816.03 - OPT Solenoid 1 Feedback Current High....65
    011816.04 - OPT Solenoid 1 Feedback Current Low....65
    011817.02 - OPT Solenoid 2 Feedback Abnormal....65
    011817.03 - OPT Solenoid 2 Feedback Current High....65
    011817.04 - OPT Solenoid 2 Feedback Current Low....65
    011818.02 - OPT Solenoid 3 Feedback Abnormal....65
    011818.03 - OPT Solenoid 3 Feedback Current High....65
    011818.04 - OPT Solenoid 3 Feedback Current Low....65
    011819.02 - OPT Solenoid 4 Feedback Abnormal....65
    011819.03 - OPT Solenoid 4 Feedback Current High....65
    011819.04 - OPT Solenoid 4 Feedback Current Low....65
    015011.03 - Hydraulic Oil Temperature Sensor Circuit High Input (Pilot)....65
    015011.04 - Hydraulic Oil Temperature Sensor Circuit Low Input (Pilot)....66
    015016.03 - Right Analog Stroke Sensor Circuit High Input....66
    015016.04 - Right Analog Stroke Sensor Circuit Low Input....66
    015017.03 - Left Analog Stroke Sensor Circuit High Input....66
    015017.04 - Left Analog Stroke Sensor Circuit Low Input....66
    020010.02 - Exhaust Filter Alarm....66
    020011.02 - Electric Lever Alarm....66
    020012.02 - Line Filter Restriction Alarm....66
    020303.02 - Electric Lever Pilot Cut Alarm....66
  Group 20: Engine Control Unit (ECU) Diagnostic Trouble Codes....228
    Engine Control Unit (ECU) Diagnostic Trouble Codes....228
    000051.03 - Intake Throttle Opening Sensor Fault (High Voltage) (P02E9) (00033-03)....66
    000051.04 - Intake Throttle Opening Sensor Fault (Low Voltage) (P02E8) (00033-04)....66
    000091.03 - Acceleration Sensor 1 Fault (High Voltage) (P0123) (0005B-03)....66
    000091.04 - Acceleration Sensor 1 Fault (Low Voltage) (P0122) (0005B-04)....66
    000100.01 - Low Oil Pressure Fault Alarm (P1198) (00064-01)....66
    000100.04 - Oil Pressure Switch Open Circuit (P1192) (00064-04)....66
    000102.03 - Exhaust Gas Recirculation (EGR) Low Pressure Side Sensor Fault (High Voltage) (P0238) (00066-03)....66
    000102.04 - Exhaust Gas Recirculation (EGR) Low Pressure Side Sensor Fault (Low Voltage) (P0237) (00066-04)....66
    000105.03 - Intake Air Temperature Sensor Fault (High Voltage) (P040D) (00069-03)....66
    000105.04 - Intake Air Temperature Sensor Fault (Low Voltage) (P040C) (00069-04)....66
    000108.03 - Atmospheric Pressure Sensor Fault (High Voltage) (P2229) (0006C-03)....66
    000108.04 - Atmospheric Pressure Sensor Fault (Low Voltage) (P2228) (0006C-04)....66
    000108.10 - Atmospheric Pressure Sensor Characteristic Fault (P1231) (0006C-0A)....66
    000110.00 - Cooling Water Temperature Sensor Temperature Abnormal High (Overheat) (P0217) (0006E-00)....66
    000110.03 - Cooling Water Temperature Sensor Fault (High Voltage) (P0118) (0006E-03)....66
    000110.04 - Cooling Water Temperature Sensor Fault (Low Voltage) (P0117) (0006E-04)....66
    000157.00 - Actual Rail Pressure Rise Error (P0088) (0009D-00)....66
    000157.03 - Rail Pressure Sensor Fault (High Voltage) (P0193) (0009D-03)....66
    000157.04 - Rail Pressure Sensor Fault (Low Voltage) (P0192) (0009D-04)....66
    000157.15 - Rail Pressure Deviation Error During the Actual Rail Pressure Rise (P0093) (0009D-0F)....66
    000157.16 - Pressure Limit Valve (PLV) Open Valve (P000F) (0009D-10)....67
    000157.18 - Rail Pressure Deviation Error During the Actual Rail Pressure Drop (P0094) (0009D-12)....67
    000167.01 - Charge Alarm (P1568) (000A7-01)....67
    000167.05 - Charge Switch Open Circuit (P1562) (000A7-05)....67
    000172.03 - New Air Temperature Sensor Fault (High Voltage) (P0113) (000AC-03)....67
    000172.04 - New Air Temperature Sensor Fault (Low Voltage) (P0112) (000AC-04)....67
    000173.03 - Exhaust Air Temperature Sensor Fault (High Voltage) (P0546) (000AD-03)....67
    000173.04 - Exhaust Air Temperature Sensor Fault (Low Voltage) (P0545) (000AD-04)....67
    000174.00 - Fuel Temperature Sensor Temperature Abnormal High (P0168) (000AE-00)....67
    000174.03 - Fuel Temperature Sensor Fault (High Voltage) (P0183) (000AE-03)....67
    000174.04 - Fuel Temperature Sensor Fault (Low Voltage) (P0182) (000AE-04)....67
    000190.00 - Overspeed (P0219) (000BE-00)....67
    000412.03 - Exhaust Gas Recirculation (EGR) Gas Temperature Sensor Fault (High Voltage) (P041D) (0019C-03)....67
    000412.04 - Exhaust Gas Recirculation (EGR) Gas Temperature Sensor Fault (Low Voltage) (P041C) (0019C-04)....67
    000630.12 - EEPROM Memory Deletion Error (P0601) (00276-0C)....67
    000633.05 - High Pressure Pump Drive Circuit (Open Circuit) (P0627) (00279-05)....67
    000633.06 - High Pressure Pump Drive Circuit (High Side Ground Short Circuit) (P1642) (00279-06)....67
    000651.03 - Injector 1 Short Circuit (4TNV) (P1271) (0028B-03)....67
    000651.05 - Injector 1 Open Circuit (Inherent Location of the Injector) (4TNV) (P0204) (0028B-05)....67
    000651.06 - Injector 1 Coil Short Circuit (4TNV) (P0271) (0028B-06)....67
    000651.11 - Injector 1 Unclassified (4TNV) (P1272) (0028B-0B)....67
    000652.03 - Injector 4 Short Circuit (P1268) (0028C-03)....67
    000652.05 - Injector 4 Open Circuit (Inherent Location of the Injector) (P0203) (0028C-05)....67
    000652.06 - Injector 4 Coil Short Circuit (P0268) (0028C-06)....67
    000652.11 - Injector 4 Unclassified (P1269) (0028C-0B)....67
    000653.03 - Injector 2 Short Circuit (P1265) (0028D-03)....67
    000653.05 - Injector 2 Open Circuit (Inherent Location of the Injector) (P0202) (0028D-05)....67
    000653.06 - Injector 2 Coil Short Circuit (P0265) (0028D-06)....67
    000653.11 - Injector 2 Unclassified (P1266) (0028D-0B)....67
    000654.03 - Injector 3 Short Circuit (P1262) (0028E-03)....67
    000654.05 - Injector 3 Open Circuit (Inherent Location of the Injector) (P0201) (0028E-05)....67
    000654.06 - Injector 3 Coil Short Circuit (P0262) (0028E-06)....68
    000654.11 - Injector 3 Unclassified (P1263) (0028E-0B)....68
    001209.03 - Exhaust Gas Recirculation (EGR) High Pressure Side Sensor Fault (High Voltage) (P0473) (004B9-03)....68
    001209.04 - Exhaust Gas Recirculation (EGR) High Pressure Side Sensor Fault (Low Voltage) (P0472) (004B9-04)....68
    001485.02 - Power Off Without Main Relay Self Holding (P068A) (005CD-02)....68
    001485.07 - Main Relay Contact Stuck (P068B) (005CD-07)....68
    002791.00 - Exhaust Gas Recirculation (EGR) High Voltage Malfunction (P0404) (00AE7-00)....68
    002791.01 - Exhaust Gas Recirculation (EGR) Low Voltage Malfunction (P0404) (00AE7-01)....68
    002791.01 - Exhaust Gas Recirculation (EGR) Low Voltage Malfunction (P1404) (00AE7-01)....68
    002791.07 - Exhaust Gas Recirculation (EGR) Feedback Malfunction (P1409) (00AE7-07)....68
    002791.09 - EGRECM Data Fault (U0401) (00AE7-09)....68
    002791.12 - Open Circuit Between The Exhaust Gas Recirculation (EGR) Motor Coils (P0403) (00AE7-0C)....68
    002797.06 - Injector Drive Circuit (Bank1) Short Circuit (P1146) (00AED-06)....68
    002798.06 - Injector Drive Circuit (Bank 2) Short Circuit (4TN: Circuit For No. 2 And No. 3 Cylinders) (P1149) (00AEE-06)....68
    002950.03 - Power Short Circuit of Throttle Valve Drive H Bridge Output 1 (P1658) (00B86-03)....68
    002950.04 - Ground Short Circuit of Throttle Valve Drive H Bridge Output 1 (P1659) (00B86-04)....68
    002950.05 - No Load of Throttle Valve Drive H Bridge Circuit (P0660) (00B86-05)....68
    002951.03 - Power Short Circuit of Throttle Valve Drive H Bridge Output 2 (P1661) (00B87-03)....68
    002951.04 - Ground Short Circuit of Throttle Valve Drive H Bridge Output 2 (P1662) (00B87-04)....68
    003242.00 - DPF Inlet Temperature Sensor Temperature Abnormal High (P1436) (00CAA-00)....68
    003242.03 - DPF Inlet Temperature Sensor Fault (High Voltage) (P1428) (00CAA-03)....68
    003242.04 - DPF Inlet Temperature Sensor Fault (Low Voltage) (P1427) (00CAA-04)....68
    003250.00 - DPF Intermediate Temperature Sensor Temperature Abnormal High (Post-Injection Error) (P1426) (00CB2-00)....68
    003250.01 - DPF Intermediate Temperature Sensor Temperature Abnormal Low Temperature (P0420) (00CB2-01)....68
    003250.03 - DPF Intermediate Temperature Sensor Fault (High Voltage) (P1434) (00CB2-03)....68
    003250.04 - DPF Intermediate Temperature Sensor Fault (Low Voltage) (P1435) (00CB2-04)....68
    003251.00 - DPF Differential Pressure Sensor Differential Pressure Abnormal High (P2452) (00CB3-00)....68
    003251.03 - DPF Differential Pressure Sensor Fault (High Voltage) (P2455) (00CB3-03)....68
    003251.04 - DPF Differential Pressure Sensor Fault (Low Voltage) (P2454) (00CB3-04)....68
    003251.16 - Maintenance (Maintenance Not Performed For A Given Period of Time) (P1437) (00CB3-10)....69
    003609.03 - DPF High Pressure Side Sensor Fault (High Voltage) (P1455) (00E19-03)....69
    003609.04 - DPF High Pressure Side Sensor Fault (Low Voltage) (P1454) (00E19-04)....69
    003719.00 - Backup Mode (P1424) (00E87-00)....69
    003719.16 - Stationary Regeneration Standby (P1421) (00E87-10)....69
    003720.00 - Ash Cleaning Request 2 (P1420) (00E88-00)....69
    003720.16 - Ash Cleaning Request 1 (P242F) (00E88-10)....69
    004257.12 - Injector Drive IC Error (P0611) (010A1-0C)....69
    522243.05 - Start Assist Relay Interrupted (P0543) (7F803-05)....69
    522243.06 - Startup Assist Relay Ground Interrupted (P0541) (7F803-06)....69
    522323.00 - Air Cleaner Clogged Alarm (P1101) (7F853-00)....69
    522329.00 - Oil/Water Separator Alarm (P1151) (7F859-00)....69
    522400.02 - Crank Speed Sensor (P0336) (7F8A0-02)....69
    522400.05 - No Crank Signal (P0337) (7F8A0-05)....69
    522401.02 - Cam Signal Malfunction (P0341) (7F8A1-02)....69
    522401.05 - No Cam Signal (P0342) (7F8A1-05)....69
    522401.07 - Angle Offset Error (P1341) (7F8A1-07)....69
    522571.03 - SCV (MPROP) High Pressure Pump Drive Circuit (Low Side VB Short Circuit) (P1641) (7F94B-03)....69
    522571.06 - SCV (MPROP) High Pressure Pump Drive Circuit (Low Side Ground Short Circuit) (P1643) (7F94B-06)....69
    522573.00 - Overaccumulation (Method C) (P2463) (7F94D-00)....69
    522574.00 - Overaccumulation (Method P) (P1463) (7F94E-00)....69
    522575.07 - Regeneration Defect (Stationary Regeneration Error) (P2458) (7F94F-07)....69
    522577.11 - Regeneration Defect (Stationary Regeneration Not Performed) (P2459) (7F951-0B)....69
    522596.09 - TSC1 Reception Time Out Error (SA1) (U0292) (7F964-09)....69
    522597.09 - TSC1 Reception Time Out Error (U1301) (7F965-09)....69
    522599.09 - Y_ECR1 Reception Time Out Error (U1292) (7F967-09)....69
    522600.09 - Y_EC Reception Time Out Error (U1293) (7F968-09)....69
    522609.09 - Y_ETCP1 Reception Time Out Error (U1300) (7F971-09)....69
    522610.09 - CAN1 (For EGR) Reception Time Out Error (U010B) (7F972-09)....69
    522610.19 - CAN1 (For EGR) Reception Data Length Error (U040C) (7F972-13)....69
    522619.09 - Y_DPFIF Reception Time Out (U1303) (7F97B-09)....69
    522994.03 - Actuator Drive Circuit 1 VB Short Circuit (P160A) (7FAF2-03)....70
    522994.04 - Actuator Drive Circuit 1 Ground Short Circuit (P1626) (7FAF2-04)....70
    522994.11 - SW Reset (Recovery) Execution 1 (P160B) (7FAF2-0B)....70
    522994.12 - WDA/ABE Communication Error (P1607) (7FAF2-0C)....70
    523249.05 - No Signal on Both Crank and Cam Speed Sensor (P0008) (7FBF1-05)....70
    523489.00 - Rail Pressure Error (The Actual Rail Pressure is Too High During PRV Limp Home) (P1668) (7FCE1-00)....70
  Group 30: Monitor Controller (DSZ) Diagnostic Trouble Codes....347
    Monitor Controller (DSZ) Diagnostic Trouble Codes....347
    013000.02 - Flash Memory Error 1....70
    013001.02 - Flash Memory Error 2....70
    013002.02 - ECU Communication Error....70
    013003.02 - Main Controller (MCZ) Communication Error 1....70
    013004.02 - Main Controller (MCZ) Communication Error 2....70
    013005.02 - Monitor Controller (DSZ) Communication Error 1....70
    013006.02 - Monitor Controller (DSZ) Communication Error 2....70
    013007.02 - Machine Controller (BCZ) Communication Error....70
    013303.02 - Abnormal Monitor Internal Temperature Sensor....70
    013304.02 - Alternator Alarm....70
    013310.03 - Shorted Circuit in Coolant Temperature Sensor....70
    013311.03 - Fuel Level Sensor Open Circuit....70
    013311.04 - Fuel Level Sensor Shorted Circuit....70
    014001.02 - Flash Memory Read/Write Error....70
    014002.02 - External RAM Read/Write Error....70
    014003.02 - Abnormal EEPROM....70
    014006.02 - Communication Terminal:Communication Error....70
    014008.02 - Abnormal Internal RAM....70
    014021.02 - Communication Terminal Security Error....70
    014022.02 - SIM Card Error....70
    014023.02 - Security Error....70
    020100.02 - Overheat Alarm....70
    020101.02 - Engine Warning Alarm....70
    020102.02 - Engine Oil Pressure Alarm....70
    020105.02 - Hydraulic Oil Filter Restriction Alarm....71
    020106.02 - Air Cleaner Restriction Alarm....71
    020107.02 - Water Separator Alarm....71
    020109.02 - Pilot Control Shut-Off Lever Alarm....71
    020110.02 - Fuel Filter Restriction Alarm....71
    020113.02 - System Error Alarm....71
    020114.02 - Overheat Alarm....71
    020133.02 - Crane Function Alarm....71
    020137.02 - Exhaust Filter Alarm....71
    020141.02 - Muffler Temperature Alarm....71
    020142.02 - Intake Air Temperature Alarm....71
    020145.02 - Boost Temperature Increase Alarm....71
    020146.02 - Fuel Temperature Increase Alarm....71
    020149.02 - EGR Gas Temperature Alarm....71
  Group 40: Air Conditioner Controller (ACF) Diagnostic Trouble Codes....396
    Air Conditioner Controller (ACF) Diagnostic Trouble Codes....396
    11 - Open Circuit in Air Recirculation Sensor....71
    12 - Short-Circuited Air Recirculation Sensor....71
    13 - Open Circuit in Ambient Air Temperature Sensor....71
    14 - Short-Circuited Ambient Air Temperature Sensor....71
    18 - Short-Circuited Solar Radiation Sensor....71
    21 - Open Circuit in Air Conditioner Freeze Control Switch....71
    22 - Short-Circuited Air Conditioner Freeze Control Switch....71
    43 - Abnormal Air Conditioner and Heater Blower Port Change Servomotor....71
    44 - Abnormal Air Conditioner and Heater Mixer Servomotor....71
    51 - Abnormal High/Low Refrigerant Pressure....71
    91 - Communication Error....71
    92 - CAN Bus Off Error....71
Section 9005: Operational Checkout Procedure....429
  Group 10: Operational Checkout Procedure....429
    Operational Checkout....487
Section 9010: Engine....544
  Group 05: Theory of Operation....747
    Yanmar Engine....562
    Engine Fuel System Component Location....547
    Engine Cooling System Component Location....550
    Cold Weather Starting Aid....552
    Engine Speed Control System Operation....747
  Group 15: Diagnostic Information....544
    Yanmar Engine....562
  Group 20: Adjustments....544
    Yanmar Engine....562
  Group 25: Tests....544
    Yanmar Engine....562
Section 9015: Electrical System....563
  Group 05: System Information....563
    Electrical Diagram Information....576
  Group 10: System Diagrams....563
    Explanation of Wire Markings....585
    Fuse and Relay Specifications....586
    System Functional Schematic, Component Location, and Wiring Diagram Master Legend....591
    System Functional Schematic....599
    Cab Harness (W1) Component Location....609
    Cab Harness (W1) Wiring Diagram....612
    Machine Harness (W2) Component Location....616
    Machine Harness (W2) Wiring Diagram....619
    Monitor Harness (W3) Component Location....625
    Monitor Harness (W3) Wiring Diagram....626
    Engine Harness (W4) Component Location....628
    Engine Harness (W4) Wiring Diagram....630
    Exhaust Filter Parked Cleaning Switch Harness (W9) Component Location....633
    Exhaust Filter Parked Cleaning Switch Harness (W9) Wiring Diagram....634
    Pilot Shutoff Switch Harness (W11) Component Location....635
    Pilot Shutoff Switch Harness (W11) Wiring Diagram....636
    Auxiliary Fuse Box Harness (W13) Component Location....637
    Auxiliary Fuse Box Harness (W13) Wiring Diagram....638
    Multi-Function Pilot Control Lever Harness (W15) Component Location....640
    Multi-Function Pilot Control Lever Harness (W15) Wiring Diagram....641
    Travel Alarm Cancel Switch Harness (W16) Component Location....642
    Travel Alarm Cancel Switch Harness (W16) Wiring Diagram....643
    Rear Camera Harness (W19) Component Location....644
    Rear Camera Harness (W19) Wiring Diagram....645
    9-Pin Service ADVISOR™ Connector (W20) Component Location....563
    9-Pin Service ADVISOR™ Connector (W20) Wiring Diagram....563
    Pilot Shutoff Valve Harness (W21) Component Location....648
    Pilot Shutoff Valve Harness (W21) Wiring Diagram....649
    Auxiliary 3-Button Cancel Switch Harness (W22) Component Location....650
    Auxiliary 3-Button Cancel Switch Harness (W22) Wiring Diagram....651
    12-Volt Power Converter Harness (W23) Component Location....564
    12-Volt Power Converter Harness (W23) Wiring Diagram....564
    Travel Alarm Cancel Switch Sub Harness (W27) Component Location....654
    Travel Alarm Cancel Switch Sub Harness (W27) Wiring Diagram....655
    Boom Light Harness (W28) Component Location....656
    Boom Light Harness (W28) Wiring Diagram....657
    Starter Switch Harness (W29) Component Location....658
    Starter Switch Harness (W29) Wiring Diagram....659
    Data Converter Harness (W30) Component Location....660
    Data Converter Harness (W30) Wiring Diagram....661
    Radiator Harness (W31) Component Location....662
    Radiator Harness (W31) Wiring Diagram....663
    Heater and Air Conditioner Harness (W41) Component Location....664
    Heater and Air Conditioner Harness (W41) Wiring Diagram....665
    Auxiliary Solenoid Harness (W61) Component Location....666
    Auxiliary Solenoid Harness (W61) Wiring Diagram....668
    Auxiliary Function Lever (AFL) Harness (W75) Component Location....670
    Auxiliary Function Lever (AFL) Harness (W75) Wiring Diagram....672
    Auxiliary Function Lever (AFL) Solenoid Harness (W76) Component Location....673
    Auxiliary Function Lever (AFL) Solenoid Harness (W76) Wiring Diagram....675
    Auxiliary Function Lever (AFL) Grip Harness (W77) Component Location....677
    Auxiliary Function Lever (AFL) Grip Harness (W77) Wiring Diagram....678
    Auxiliary Function Lever (AFL) Harness 2 (W79) Component Location....679
    Auxiliary Function Lever (AFL) Harness 2 (W79) Wiring Diagram....680
    Auxiliary Function Lever (AFL) Solenoid Jumper Harness (W80) Component Location....681
    Auxiliary Function Lever (AFL) Solenoid Jumper Harness (W80) Wiring Diagram....682
    Auxiliary Function Lever (AFL) Left Grip Harness (W81) Component Location....683
    Auxiliary Function Lever (AFL) Left Grip Harness (W81) Wiring Diagram....684
    Satellite (SAT) Harness (W6003) Component Location....685
    Satellite (SAT) Harness (W6003) Wiring Diagram....686
    JDLink™ Harness (W6004) Component Location....687
    JDLink™ Harness (W6004) Wiring Diagram....689
  Group 15: Sub-System Diagnostics....565
    Controller Area Network (CAN) Theory of Operation....747
    Starting and Charging Circuit Theory of Operation....747
    Monitor Controller (DSZ) Circuit Theory of Operation....747
    Engine Control Unit (ECU) Circuit Theory of Operation....747
    Exhaust Aftertreatment Circuit Theory of Operation....747
    Main Controller (MCZ) Circuit Theory of Operation....747
    Travel Alarm Circuit Theory of Operation....747
    Machine Controller (BCZ) Circuit Theory of Operation....747
    Windshield Wiper and Washer Circuit Theory of Operation....747
    Lighting Circuit Theory of Operation....747
    Pilot Shutoff Circuit Theory of Operation....747
  Group 16: Monitor Operation....747
    Service Menu....737
    Troubleshooting....739
    Monitoring....740
    Controller Version....745
    Issued Warning Record....746
    Operation....747
    Machine Setting....748
    Monitor Setting....750
    Engine Setting....753
    Exhaust Filter....754
  Group 20: References....565
    Reading Diagnostic Trouble Codes with Monitor Display....756
    Service ADVISOR™ Diagnostic Application....757
    Service ADVISOR™ Connection Procedure....758
    Reading Diagnostic Trouble Codes with Service ADVISOR™ Diagnostic Application....760
    Diesel Particulate Filter (DPF) Service Recovery With Service ADVISOR™ Diagnostic Application....763
    MPDr Application....765
    MPDr Connection Procedure....766
    Fuse Test....768
    Relay Test....773
    Glow Plug Relay Test....774
    Pressure Sensor Test....776
    Solenoid Test....778
    Proportional Solenoid Test....779
    Temperature Sensor Test....780
    Alternator Test....781
    Electrical Component Checks....783
    Battery Remove and Install....790
    Rear Cover Remove and Install....792
    Rear Auxiliary Cover Remove and Install....793
    Main Controller (MCZ) Remove and Install....794
    Machine Controller (BCZ) Remove and Install....796
    Engine Control Unit (ECU) Remove and Install....798
    Data Converter Remove and Install....800
    Monitor Controller (DSZ) Remove and Install....802
    Air Conditioner Controller (ACF) Remove and Install....804
    Key Switch Remove and Install....805
    Right Switch Console Remove and Install....806
    Left Switch Console Remove and Install....810
    Travel Alarm Remove and Install....812
    ECO Control Disable and Enable....813
    Disconnect Tab Retainer Connectors....814
    Disconnecting Spring Wire Clip Connectors....815
    Replace DEUTSCH™ Connectors....816
    Replace DEUTSCH™ Rectangular or Triangular Connectors....818
    Install DEUTSCH™ Contact....820
    Replace WEATHER PACK™ Connector....822
    Install WEATHER PACK™ Contact....824
    Replace (Pull Type) Metri-Pack™ Connectors....826
    Replace (Push Type) Metri-Pack™ Connectors....828
    Replace CINCH™ Connectors....829
    Install CINCH™ Contact....831
    Repair 32 and 48 Way CINCH™ Connectors....833
    Remove Connector Body from Blade Terminals....837
Section 9020: Power Train....838
  Group 05: Theory of Operation....747
    Track Adjuster and Recoil Spring Operation....841
    Travel Gear Case Operation....843
  Group 15: Diagnostic Information....838
    Noisy or Loose Track Chain....838
    Tight Track Chain....838
    Frequent Track Chain Sag Adjustment Required....838
    Excessive Oil Leakage From Front Idler, Track Rollers, or Carrier Rollers....838
    Bent Track Shoes (Steel Track Only)....838
Section 9025: Hydraulic System....865
  Group 05: Theory of Operation....747
    Hydraulic System Operation....869
    Pilot System Operation....870
    Pilot Pump, Pressure Regulating Valve, and Filter Operation....871
    Pilot Shutoff Solenoid Valve Operation....873
    Pilot Control Valve Operation....906
    Control Lever Pattern Selector—If Equipped....882
    Travel Pilot Control Valve Operation....906
    Pilot Operation of Control Valve Operation....906
    Flow Regulator Valve Operation....889
    Swing Shockless Valve....892
    Hydraulic Pump 1, 2, and 3 Operation....894
    Hydraulic Pump Regulator Operation....897
    Engine Speed Sensing Control Circuit Operation....904
    Control Valve Operation....906
    Control Valve Check Valves Identification and Operation....930
    Main Relief Valve Circuit Operation....934
    Circuit Relief and Anticavitation Valve Operation....938
    Flow Combiner Valve Operation....940
    Auxiliary Flow Combiner Valve Operation....941
    Travel and Arm In Combined Operation....942
    Swing and Boom Up Combined Operation....944
    Boom Reduced Leakage Valve Operation....946
    Swing Reduction Gear Case Operation....948
    Swing Motor, Crossover Relief Valve, and Make-Up Check Valve Operation....950
    Swing Motor Park Brake Release Circuit Operation....954
    Center Joint Operation....957
    Travel Motor and Park Brake Valve Operation....959
    Travel Motor Speed Circuit Operation....966
    Cylinder Operation....969
    Return Filter Operation....971
  Group 15: Diagnostic Information....865
    All Hydraulic Functions Slow....866
    Hydraulic Oil Overheats....866
    No Hydraulic Functions....866
    Poor Combined Operation....747
    All Functions Cannot Be Operated....866
    Function Does Not Stop When Control Lever Is Released....866
    Some Functions Cannot Be Operated, All Others Are Normal....866
    Functions Move in Opposite Direction....866
    All Dig Functions Slow or No Power....866
    Some Dig Functions Slow (Not All)....866
    Load Drifts Down When Control Lever is in Neutral Position....866
    Load Drifts Down When Control Valve is Actuated To Raise Load With Engine Running at Slow Idle....866
    Arm In Speed Slow....866
    Swing Speed Slow in Both Directions....866
    Swing Speed Slow or Does Not Operate in One Direction....866
    Upperstructure Drift With Swing Valve in Neutral....866
    Swing Function Does Not Operate....866
    Engine Stops During Combined Operation of Swing and Front Attachment....866
    Travel Park Brakes Do Not Apply....866
    Track Will Not Move in One Direction....866
    Track Will Not Move in Either Direction....866
    Machine Mistracks at All Speeds in Both Directions....866
    Slow Travel Speed or Low Power....866
    Travel Speed Does Not Change to Slow Speed....866
    Combined Travel and Dig Functions Slow or No Power....866
    Travel is “Jerky”....866
    Machine Will Not Hold Back and Park Brakes Engage and Disengage When Traveling Down an Incline....866
    Machine Will Not Turn Smoothly in One Direction or Park Brake Grabs....866
    Blade Does Not Move or Moves Slowly....866
    Boom Swing Does Not Move or Moves Slowly....866
    Pump 1, Pump 2, Pump 3, and Pilot Pump Line Identification....1037
    Control Valve Line Identification....1038
    Pilot Control Line Identification....1042
    Swing Motor Line Identification....1047
    Travel System Component Location....1048
    Travel Hydraulic System Line Connection....1050
    Blade System Component Location....1051
    Blade Hydraulic System Line Identification....1053
    Blade Hydraulic System Line Connections....1073
    Hydraulic System Schematic....1056
    Hydraulic System Component Location....1070
    Hydraulic System Line Connections....1073
  Group 25: Tests....867
    JT05800 Digital Thermometer Installation....1075
    JT02156A Digital Pressure and Temperature Analyzer Kit Installation....1076
    General Hydraulic Oil Cleanup Procedure....1077
    Hydraulic Component Failure Cleanup Procedure....1080
    Hydraulic Oil Tank Pressure Release Procedure....1083
    Hydraulic Oil Warm-Up Procedure....1085
    Pilot Pressure Regulating Valve Test and Adjustment....1087
    Control Valve Spool Actuating Pilot Pressure Test....1090
    Travel Speed Solenoid Valve Test and Adjustment....1093
    Torque Control Solenoid Valve Test and Adjustment....1098
    Main Relief Valve Test and Adjustment....1103
    Circuit Relief Valve Test and Adjustment....1112
    Swing Motor Crossover Relief Valve Test and Adjustment....1120
    Travel Motor Crossover Relief Valve Test and Adjustment....1125
    Pump Flow Test....1130
    Swing Motor Leakage Test....1141
    Travel Motor Leakage Test....1145
    Cylinder Drift Test—Boom, Arm, Bucket, and Blade....1149
Section 9031: Heating and Air Conditioning....1152
  Group 05: Theory of Operation....747
    Air Conditioning System Cycle of Operation....1155
  Group 15: Diagnostic Information....1152
    Air Conditioning System Does Not Operate....1152
    No Air Flow From Heater and Air Conditioner Vents....1152
    Air Conditioning Does Not Cool Interior of Cab....1152
    Air Conditioning Runs Constantly, Too Cold....1152
    Interior Windows Continue to Fog Using Air Conditioner....1152
    Heater System Does Not Operate....1152
    Heater Does Not Warm Interior of Cab....1152
    Interior Windows Continue to Fog Using Heater....1152
    Heater and Air Conditioner Diagnostic Trouble Code Check....1186
    Heater and Air Conditioner Component Location....1187
  Group 25: Tests....1152
    Refrigerant Cautions and Proper Handling....1190
    Heater and Air Conditioner Operational Checks....1191
    Air Conditioner Compressor Clutch Test....1194
    Refrigerant Leak Test....1195
    Refrigerant Hoses and Tubing Inspection....1196
    Air Conditioner Compressor Belt Check and Adjustment....1197
    R134a Air Conditioning System Test....1198
    Operating Pressure Diagnostic Chart....1201

John Deere 85G Excavators Technical Manual (Operation & Test TM12867)