John Deere 6M-1654, 6M-1854, and 6M-2104 Tractors Diagnosis and Test Service Technical Manual (TM706314)
Catalog:
Model:
Complete Diagnosis & Tests Technical Manual with electrical wiring diagrams for John Deere 6M-1654, 6M-1854, and 6M-2104 Tractors, with workshop information to maintain, diagnose, and rebuild like professional mechanics.
John Deere 6M-1654, 6M-1854, and 6M-2104 Tractors workshop Diagnosis & Tests technical 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.
TM706319 - John Deere 6M-1654, 6M-1854, and 6M-2104 Tractors Diagnostics and Test Technical Manual.pdf
PRODUCT DETAILS:
Total Pages: 1,543 pages
File Format: PDF (bookmarked, ToC, Searchable, Printable)
Language: English
TM706314 Diagnostic Technical Manual 6M-1654、6M-1854 和 6M-2104 拖拉机 诊断和检测
TM706319 Diagnostic Technical Manual 6M-1654, 6M-1854, and 6M-2104 Tractors / (Diagnostics) (Includes electrical wiring diagrams) (Repair manual sold separately) (Asia, English)
TABLE OF CONTENTS
Section 210: General Information...32
Group 05: Safety Information...1385
Recognize Safety Information...1385
Follow Safety Instructions...36
Replace Safety Signs...37
Wear Protective Clothing...38
Prevent Battery Explosions...39
Service Tires Safely...40
Keep ROPS Installed Properly...41
Park Machine Safely...42
Handle Fluids Safely—Avoid Fires...43
Handle Fuel Safely—Avoid Fires...44
Prepare for Emergencies...45
Work in Clean Area...46
Prevent Machine Runaway...47
Work In Ventilated Area...48
Avoid High-Pressure Fluids...49
Use Proper Lifting Equipment...50
Illuminate Work Area Safely...51
Use Proper Tools...52
Live With Safety...53
Safety Measures on Electronic Control Units...54
Group 15: General References...32
General References—Summary of References...56
Unified Inch Bolt and Cap Screw Torque Values...57
Metric Bolt and Cap Screw Torque Values...59
Hydraulic System Unified Inch Fitting Torques...61
Hydraulic system metric fitting torques...62
Component Identification Table...63
How to use an Electrical Diagram...65
Electrical Diagram Symbols...68
Wire Numbers and Color Codes...70
Troubleshooting Unsolved Problems...71
Electrical System Visual Inspection...72
Circuit Malfunctions...73
Seven Steps Electrical Test Procedure...78
Hydraulic System — Circuit Symbols...80
Electrical System, Worksheet for Circuit/Harness Test...86
Section 211: Diagnostic Trouble Codes...88
Group BCU: BCU Diagnostic Trouble Codes...88
BCU 000084.02 - B09 - Wheel Speed Sensor, out of Valid Range...88
BCU 000168.03 - Control Unit, Supply Voltage Too High...88
BCU 000168.04 - Control Unit, Supply Voltage Too Low...88
BCU 000168.16 - Control Unit, Supply Voltage Too High (Engine Speed Above 500 rpm)...88
BCU 000168.17 - Control Unit, Supply Voltage Too Low (Engine Speed Above 1500 rpm)...88
BCU 000168.18 - Control Unit, Supply Voltage Too Low (Engine Speed Above 500 rpm)...88
BCU 000177.18 - Non-Existent Function Activated...88
BCU 000186.02 - B06 - Sensor for Rear PTO Speed, Open Circuit...88
BCU 000186.15 - B06 - Rear PTO Speed Sensor, Speed Present Despite Rear PTO Being Switched Off...88
BCU 000186.17 - B06 - Rear PTO Speed Sensor, Speed Not Present...88
BCU 000190.02 - Non-Existent Function Activated...88
BCU 000237.02 - VIN Information, Mismatch...88
BCU 000237.14 - VIN Information, System De-Activated...88
BCU 000237.31 - VIN Information, Incorrect...88
BCU 000629.12 - Control Unit Internal Fault...88
BCU 000639.12 - Vehicle CAN BUS, High Error Rate...88
BCU 000639.14 - Vehicle CAN BUS, Very High Error Rate...88
BCU 000746.31 - Y05 - Differential Lock Solenoid Valve, Fault...88
BCU 000980.07 - S21 - Rear PTO Switch, Fault...88
BCU 001058.18 - Non-Existent Function Activated...88
BCU 001079.03 - 5-volt Power Supply, Voltage Too High...88
BCU 001079.04 - 5-volt Power Supply, Voltage Too Low...88
BCU 001873.03 - B21 - Hitch Position Sensor, Voltage Too High...88
BCU 001873.04 - B21 - Hitch Position Sensor, Voltage Too Low...88
BCU 001873.15 - B21 - Hitch Position Sensor, Voltage Too High During Calibration...88
BCU 001873.17 - B21 - Hitch Position Sensor, Voltage Too Low During Calibration...88
BCU 001882.02 - Non-Existent Function Activated...88
BCU 001882.15 - Non-Existent Function Activated...88
BCU 001882.17 - Non-Existent Function Activated...88
BCU 001883.31 - Rear PTO Speed Too High...89
BCU 001890.03 - Non-Existent Function Activated...89
BCU 001890.04 - Non-Existent Function Activated...89
BCU 001890.31 - Non-Existent Function Activated...89
BCU 001893.07 - Non-Existent Function Activated...89
BCU 001894.31 - INFORMATION FOR OPERATOR: Rear PTO Switch was On When Engine was Started...89
BCU 002000.09 - Incorrect CAN BUS Message, Information from ECU...89
BCU 002392.31 - Non-Existent Function Activated...89
BCU 002818.31 - Non-Existent Function Activated...89
BCU 002876.07 - S08 - Turn signal switch, Fault (Turn Signal)...89
BCU 303053.03 - B26 - Sensitivity Potentiometer, Signal Voltage Too High During Calibration...89
BCU 303053.04 - B26 - Sensitivity Potentiometer, Signal Voltage Too Low During Calibration...89
BCU 303054.03 - B27 - Depth-Setting Potentiometer, Signal Voltage Too High During Calibration...89
BCU 303054.04 - B27 - Depth-Setting Potentiometer, Signal Voltage Too Low During Calibration...89
BCU 303056.03 - B27 - Raise-Limit Potentiometer, Signal Voltage Too High During Calibration...89
BCU 303056.04 - B27 - Raise-Limit Potentiometer, Signal Voltage Too Low During Calibration...89
BCU 303057.03 - B27 - Rate-of-Drop Potentiometer, Signal Voltage Too High During Calibration...89
BCU 303057.04 - B27 - Rate-of-Drop Potentiometer, Signal Voltage Too Low During Calibration...89
BCU 522451.03 - Non-Existent Function Activated...89
BCU 522451.04 - Non-Existent Function Activated...89
BCU 522451.14 - Non-Existent Function Activated...89
BCU 522507.31 - Control Unit Not Calibrated...89
BCU 523438.02 - Control Unit Internal Fault...89
BCU 523652.02 - Control Unit Connected to Wrong Harness Connector...89
BCU 523689.31 - S22 - Differential Lock Switch, Fault...89
BCU 523690.02 - S68 - Switches for Remote Control of Hitch (Left), Fault...89
BCU 523701.05 - M08 - Stepper Motor for Hitch (Coil 2), Open Circuit...89
BCU 523701.06 - M08 - Stepper Motor for Hitch (Coil 2), Current Too High...89
BCU 523702.14 - VIN Information, System De-Activated...89
BCU 523702.31 - VIN Information, Incorrect...89
BCU 523703.02 - B41 - Draft Sensor, Distorted Signal During Calibration...89
BCU 523703.03 - B41 - Draft Sensor, Voltage Too High During Calibration...89
BCU 523703.04 - B41 - Draft Sensor, Voltage Too Low During Calibration...90
BCU 523703.15 - B41 - Draft Sensor, Voltage Too High...90
BCU 523703.17 - B41 - Draft Sensor, Voltage Too Low...90
BCU 523704.02 - Non-Existent Function Activated...90
BCU 523704.03 - Non-Existent Function Activated...90
BCU 523704.04 - Non-Existent Function Activated...90
BCU 523704.15 - Non-Existent Function Activated...90
BCU 523704.17 - Non-Existent Function Activated...90
BCU 523751.05 - M08 - Stepper Motor for Hitch (Coil 1), Open Circuit...90
BCU 523751.06 - M08 - Stepper Motor for Hitch (Coil 1), Current Too High...90
BCU 523753.16 - M08 - Stepper Motor for Hitch, Raising Deadband Too High During Calibration...90
BCU 523753.18 - M08 - Stepper Motor for Hitch, Raising Deadband Too Low During Calibration...90
BCU 523756.16 - M08 - Stepper Motor for Hitch, Lowering Deadband Too High During Calibration...90
BCU 523756.18 - M08 - Stepper Motor for Hitch, Lowering Deadband Too Low During Calibration...90
BCU 523758.11 - Non-Existent Function Activated...90
BCU 523759.11 - Non-Existent Function Activated...90
BCU 523760.04 - Turn Signal/Hazard Flasher System, Supply Voltage Too Low...90
BCU 523760.31 - Turn Signal/Hazard Flasher System, Fault...90
BCU 523826.03 - Non-Existent Function Activated...90
BCU 523826.04 - Non-Existent Function Activated...90
BCU 523834.03 - B27 - Depth-Setting Potentiometer, Voltage Too High...90
BCU 523834.04 - B27 - Depth-Setting Potentiometer, Voltage Too Low...90
BCU 523839.31 - Non-Existent Function Activated...90
BCU 523843.02 - S24 - Quick Withdrawal Switch, Switch Status out of Valid Range...90
BCU 523843.03 - S24 - Quick Withdrawal Switch, Voltage Too High...90
BCU 523843.04 - S24 - Quick Withdrawal Switch, Voltage Too Low...90
BCU 523904.31 - Non-Existent Function Activated...90
BCU 523905.31 - Non-Existent Function Activated...90
BCU 523908.14 - Non-Existent Function Activated...90
BCU 523908.31 - Non-Existent Function Activated...90
BCU 524055.11 - Control Unit Internal Fault...90
BCU 524055.31 - Control Unit Not Calibrated...90
BCU 524216.14 - Non-Existent Function Activated...91
BCU 524216.31 - Non-Existent Function Activated...91
BCU 524224.14 - Non-Existent Function Activated...91
BCU 524224.31 - INFORMATION FOR OPERATOR: Rear PTO was Switched On When Engine Was Started...91
BCU 524235.02 - Non-Existent Function Activated...91
BCU 524235.31 - Y03 - Front-Wheel Drive Solenoid Valve, Fault...91
BCU 524252.31 - Y04 - Solenoid Valve for Rear PTO, Fault...91
Group ECU: ECU Control Unit...91
ECU 000029.03 - B96 - Hand Throttle Potentiometer, Voltage Too High...91
ECU 000029.04 - B96 - Hand Throttle Potentiometer, Voltage Too Low...91
ECU 000084.31 - Incorrect CAN BUS Message, Wheel Speed from BCU...91
ECU 000091.03 - B79 - Accelerator Pedal Potentiometer, Voltage Too High...91
ECU 000091.04 - B79 - Accelerator Pedal Potentiometer, Voltage Too Low...91
ECU 000097.03 - Water In Fuel Signal Out of Range...91
ECU 000097.04 - Water In Fuel Signal Out of Range Low...91
ECU 000097.16 - Water In Fuel Detected...91
ECU 000105.00 - Manifold Air Temperature Signal Extremely High...91
ECU 000105.03 - Manifold Air Temperature Signal Out of Range High...91
ECU 000105.04 - Manifold Air Temperature Signal Out of Range Low...91
ECU 000105.15 - Manifold Air Temperature Signal Slightly High...91
ECU 000105.16 - Manifold Air Temperature Signal Moderately High...91
ECU 000108.02 - Barometric Air Pressure Signal Invalid...91
ECU 000110.00 - Coolant Temperature Signal Extremely High...91
ECU 000110.03 - Coolant Temperature Signal Out of Range High...91
ECU 000110.04 - Coolant Temperature Signal Out of Range Low...91
ECU 000110.15 - Coolant Temperature Signal Slightly High...91
ECU 000110.16 - Engine Coolant Temperature Moderately High...91
ECU 000157.03 - Fuel Rail Pressure Signal Out of Range High...91
ECU 000157.04 - Fuel Rail Pressure Signal Out of Range Low...91
ECU 000157.10 - Fuel Rail Pressure Loss Detected...91
ECU 000157.17 - Fuel Rail Pressure Not Developed...91
ECU 000158.17 - ECU Power Down Error...91
ECU 000160.02 - Wheel Speed Signal Incorrect...92
ECU 000174.00 - Fuel Temperature Signal Extremely High...92
ECU 000174.03 - Fuel Temperature Signal Out of Range High...92
ECU 000174.04 - Fuel Temperature Signal Out of Range Low...92
ECU 000174.16 - Fuel Temperature Signal Moderately High...92
ECU 000189.00 - Engine Speed Derate Condition Exists...92
ECU 000190.00 - Engine Speed Extremely High...92
ECU 000190.16 - Engine Overspeed Moderate...92
ECU 000237.02 - VIN Information, Mismatch...92
ECU 000237.13 - VIN Option Code Invalid...92
ECU 000237.31 - VIN Information, Incorrect...92
ECU 000611.03 - Injector Shorted to Voltage Source...92
ECU 000611.04 - Injector Shorted to Ground...92
ECU 000627.01 - All Injector Circuits Have High Resistance...92
ECU 000629.12 - ECU EEPROM Error...92
ECU 000629.13 - ECU Boot Block Error...92
ECU 000636.02 - Camshaft Position Signal Invalid...92
ECU 000636.05 - Camshaft Position Circuit Has High Resistance...92
ECU 000636.06 - Camshaft Position Circuit Has Low Resistance...92
ECU 000636.08 - Camshaft Position Signal Missing...92
ECU 000636.10 - Camshaft Position Signal Rate of Change Abnormal...92
ECU 000637.02 - Crankshaft Position Signal Invalid...92
ECU 000637.05 - Crankshaft Position Circuit Has High Resistance...92
ECU 000637.06 - Crankshaft Position Circuit Has Low Resistance...92
ECU 000637.07 - Crankshaft and Camshaft Position Signals Out of Sync...92
ECU 000637.08 - Crankshaft Position Signal Missing...92
ECU 000637.10 - Crankshaft Position Signal Rate of Change Abnormal...92
ECU 000651.02 - Injector #1 Part Number Invalid...92
ECU 000651.05 - Injector #1 Circuit Has High Resistance...92
ECU 000651.06 - Injector #1 Circuit Has Low Resistance...92
ECU 000651.07 - Injector #1 Not Responding...92
ECU 000651.13 - Injector #1 Calibration Fault...92
ECU 000652.02 - Injector #2 Part Number Invalid...92
ECU 000652.05 - Injector #2 Circuit Has High Resistance...93
ECU 000652.06 - Injector #2 Circuit Has Low Resistance...93
ECU 000652.07 - Injector #2 Not Responding...93
ECU 000652.13 - Injector #2 Calibration Fault...93
ECU 000653.02 - Injector #3 Part Number Invalid...93
ECU 000653.05 - Injector #3 Circuit Has High Resistance...93
ECU 000653.06 - Injector #3 Circuit Has Low Resistance...93
ECU 000653.07 - Injector #3 Not Responding...93
ECU 000653.13 - Injector #3 Calibration Fault...93
ECU 000654.02 - Injector #4 Part Number Invalid...93
ECU 000654.05 - Injector #4 Circuit Has High Resistance...93
ECU 000654.06 - Injector #4 Circuit Has Low Resistance...93
ECU 000654.07 - Injector #4 Not Responding...93
ECU 000654.13 - Injector #4 Calibration Fault...93
ECU 000655.02 - Injector #5 Part Number Invalid...93
ECU 000655.05 - Injector #5 Circuit Has High Resistance...93
ECU 000655.06 - Injector #5 Circuit Has Low Resistance...93
ECU 000655.07 - Injector #5 Not Responding...93
ECU 000655.13 - Injector #5 Calibration Fault...93
ECU 000656.02 - Injector #6 Part # Data Invalid...93
ECU 000656.05 - Injector #6 Circuit Has High Resistance...93
ECU 000656.06 - Injector #6 Circuit Has Low Resistance...93
ECU 000656.07 - Injector #6 Not Responding...93
ECU 000656.13 - Injector #6 Calibration Fault...93
ECU 000676.03 - Glow Plug Relay Voltage Too High...93
ECU 000676.05 - Glow Plug Relay Voltage Too Low...93
ECU 001069.31 - Tire Size Error...93
ECU 001347.03 - Suction Control Valve Signal Out of Range High...93
ECU 001347.05 - Suction Control Valve Circuit Has High Resistance...93
ECU 001347.07 - Fuel Rail Pressure Actual to Desired Mismatch...93
ECU 001569.31 - Engine in Power Derate Condition...93
ECU 002033.09 - Incorrect CAN BUS Message, CAN Message from BCU...93
ECU 002033.14 - Communication Problem between ECU and BCU...93
ECU 002033.19 - Communication Problem between ECU and BCU...94
ECU 003509.03 - Sensor Supply #1 Voltage Out of Range High...94
ECU 003509.04 - Sensor Supply #1 Voltage Out of Range Low...94
ECU 003510.03 - Sensor Supply Voltage 2 Too High...94
ECU 003510.04 - Sensor Supply Voltage 2 Too Low...94
ECU 003511.03 - Sensor Supply Voltage 3 Too High...94
ECU 003511.04 - Sensor Supply Voltage 3 Too Low...94
Section 212: Observable Symptoms...421
Group 40: Electrical System...421
Control Unit(s) Not Displayed...421
Diagnostic Mode Cannot Be Entered or Connection Problems with Service ADVISOR...421
Problems with the CAN-BUS Connection to Service ADVISOR...421
Problems with the Battery...421
Problems with the Starter Motor...421
Problems with the Fuel Preheater, Aid Heater and Fuel Pump...421
Problems with the Instrument Unit...421
Problems with the Horn...421
Problems with Cigarette Lighter (E05)...421
Problems with Seat with Compressor and Heater (A29)...421
Problems with the Parking Lights...421
Problems with Low-Beam Headlights...421
Problems with High-Beam Headlights...421
Problems with the Worklights on Front of Roof...421
Problems with the Worklights on Rear of Roof...421
Problems with the Radio...421
Problems with the Air-Conditioning System and/or with the Fan...421
Problems with the Front Windshield Wiper...421
Problems with the Front Windshield Washer...421
Problems with the Rear Windshield Wiper...421
Problems with the Rear Windshield Washer...421
Problems with the Beacon Light...421
Group 45: Electronic Control Units...421
Problems when Programming the BCU Control Unit...421
Problems when Programming the ECU Control Unit...421
Problem with the BCU Control Unit...421
Problem with the Instrument Unit (Adjustment)...421
Group 55: PowrQuad Transmissions...421
Problems with PowrQuad Transmission...421
Group 56: Drive Systems...421
Problems with the PTO...422
Group 60: Steering and Brakes...422
Problems with the Brakes...422
Problems with the Steering...422
Group 70: Hydraulic System...422
Problems with the Rockshaft...422
Problems with the Rockshaft's Remote Control...422
Group 90: Operator's Cab...422
Problems with the Air-Conditioning System...422
Section 213: System Diagnosis...527
Group 45: Electronics...527
29-bit CAN BUS - Check...532
VIN Security Fault Diagnosis...536
Group 70: Hydraulic System...527
Check for PFC Hydraulic System...557
Section 220: Engine...576
Group 05: General Information...576
Information on Engine...578
Group 10: Operational Checks...576
Engine - Safety Measures...580
Engine - Preliminary Engine Tests...581
Group 15: Tests and Adjustments...576
Engine - Tune-Up, Summary of References...583
Engine - Measuring PTO Power Output...584
Engine - Engine Tests with Service ADVISOR...590
Section 230: Fuel, Air Intake and Cooling Systems...591
Group 15: Tests and Adjustments...591
Fuel, Air Intake and Cooling Systems - Tests and Adjustments, Summary of References...594
Fuel, Air Intake and Cooling Systems - General Information...595
Fuel, Air Intake and Cooling Systems - Explanation of Checks...596
Fuel, Air Intake and Cooling Systems - Safety Measures...597
Fuel, Air Intake and Cooling Systems - Special Tools, Summary of References...598
Fuel, Air Intake and Cooling Systems - Specifications...601
Air Intake System - System Check...602
Cooling System - Filling/Bleeding the System...603
Cooling System - Leak Test...604
Cooling System - Test Thermostat Opening Temperature...606
Cooling System - Flow Testing in the Low-Temperature Circuit...608
Cooling System - Check the Viscous Fan Drive...612
Fuel System - Check the Fuel Transfer Pump...614
Group 20A: Fuel System...591
Fuel System - Theory of Operation, Summary of References...617
Fuel System - Theory of Operation...618
Fuel System - Fuel Cooler, Component Information...620
Fuel System - Fuel Transfer Pump, Component Information...621
Group 20B: Air Intake System...591
Air Intake System - Theory of Operation, Summary of References...624
Air Intake System - Theory of Operation...625
Group 20C: Cooling System...591
Cooling System - Summary of References...627
Coolant Circuit - Description...628
Cooling System Radiator - Description...630
Itercooler - Description...631
Ring-Shaped (Transmission Oil) Cooler - Description...632
Automatic Drive Belt Tensioner - Theory of Operation...634
Group 20D: Cold-Weather Starting Aids...591
Cold-Weather Starting Aids - Summary of References...636
Cold-Weather Starting Aids - General Information...637
Cold-Weather Starting Aids - Coolant Heater - Component Information...638
Cold-Weather Starting Aids - Transmission Oil Heater - Component Information...639
Cold-Weather Starting Aids - Charge Pump Preheater - Component Information...640
Section 240: Electrical System...641
Group 05A: Fuse Box...641
Fuse Box - Theory of Operation...651
Fuse Box - Electrical Diagram...652
Group 05B: Starting and Charging Circuit...641
Starting and Charging Circuit - Theory of Operation...655
Starting and Charging Circuit - Electrical Diagram...656
Circuit test for Starter motor checks (M01)...657
Circuit test for Alternator (G02)...660
Circuit test for Battery (G01)...665
Circuit test for K01 Starter relay...668
Group 05C: CAN BUS and Service Connector...641
CAN BUS System - Theory of Operation...670
CAN BUS System - Electrical Diagram...671
Group 05D: ECU - Power...641
ECU Power - Theory of Operation...673
ECU Power - Electrical Diagram...674
Group 05E: ECU - Throttle and Fuel System...641
ECU Throttle and Fuel System - Theory of Operation...676
ECU Throttle and Fuel System - Electrical Diagram...677
Circuit test for Foot throttle (B79)...678
Circuit test for Electrical hand throttle (B96)...681
Group 05F: ECU - Fuel Preheater and Aid Heater...641
ECU Fuel Preheater and Aid Heater - Theory of Operation...685
ECU Fuel Preheater and Aid Heater - Electrical Diagram...686
Circuit test for Fuel Pump (M31)...688
Circuit test for Heating Element of Fuel Preheater (R02)...690
Circuit test for Sender for Electrical starting aid heater (R15)...692
Group 05G: ECU - Sensors...641
ECU Sensors - Theory of Operation...695
ECU Sensors - Electrical Diagram...696
Circuit test for Engine Speed Sender (B72)...698
Group 05H: BCU - Electronic Hitch-Control...642
BCU - Electronic Hitch-Control - Theory of Operation...702
BCU - Electronic Hitch-Control - Electrical Diagram...703
Circuit test for Rockshaft Control Stepper Motor (M08)...704
Circuit test for Sensitivity Potentiometer (B26)...706
Circuit test for Depth-setting Potentiometer (R08)...709
Circuit test for Rate-of-Drop Potentiometer (R06)...712
Circuit test for Raise-Limit Potentiometer (R07)...715
Circuit test for Position Sensor (B21)...718
Circuit test for Draft Sensor (B41)...722
Circuit/harness test for Rapid Raise Switch (S24)...725
Circuit test for Left Remote Control Switch (S68)...728
Circuit test for Supply Voltage for 5-Volt BCU Components...731
Group 05I: BCU - Brakes...642
BCU - Brakes - Theory of Operation...735
BCU - Brakes - Electrical Diagram...736
Circuit test for Brake Pedal Sensor Unit (B88)...738
Group 05J: BCU - PTO...642
BCU - PTO - Theory of Operation...740
BCU - PTO - Electrical Diagram...741
Circuit test for PTO Switch (S21)...743
Circuit test for PTO Solenoid Valve (Y04)...746
Circuit test for Rear PTO Speed Sensor (B06)...749
Group 05K: BCU - Front-Wheel Drive...642
BCU - Front-Wheel Drive - Theory of Operation...753
BCU - Front-Wheel Drive - Electrical Diagram...754
Circuit test for Front-Wheel Drive Switch (S63)...756
Circuit test for Front-Wheel Drive Solenoid Valve (Y03)...759
Group 05L: BCU - Differential Lock...642
BCU - Differential Lock - Theory of Operation...763
BCU - Differential Lock - Electrical Diagram...764
Circuit test for Differential Lock Switch (S22)...766
Circuit test for Differential Lock Solenoid Valve (Y05)...769
Group 05M: BCU - Wheel Speed Sensor...643
BCU Wheel Speed Sensor - Theory of Operation...773
BCU Wheel Speed Sensor - Electrical Diagram...774
Circuit test for Wheel Speed Sensor (B09)...775
Group 05N: BCU - Turn Signal and Hazard Warning Lights...643
BCU - Turn Signal and Hazard Warning Lights - Theory of Operation...779
BCU - Turn Signal and Hazard Warning Lights - Electrical Diagram...780
Circuit test for hazard warning switch (S106)...782
Circuit test for Turn Signal Switch (S08)...786
Group 05O: Panel Warning Lights...643
Panel Warning Lights - Theory of Operation...791
Panel Warning Lights - Electrical Diagram...792
Circuit test for Sender for air cleaner restriction warning light (B02)...794
Circuit test for Fuel gauge sender (B03)...795
Circuit test for Engine oil pressure sender (B04)...796
Circuit test for Sender for the transmission oil filter sender (B07)...797
Circuit test for Coolant temperature sender (B08)...798
Circuit test for Transmission oil pressure sender (B31)...799
Circuit test for Transmission oil temperature sender (B29)...800
Group 05P: Lights, Tail Lights and License Plate...643
Lights and Tail Lights - Theory of Operation...802
Lights and Tail Lights - Electrical Diagram...803
Lighting Circuits...805
Group 05Q: Work Lights...643
Work Lights - Theory of Operation...810
Work Lights - Electrical Diagram...811
Work lights...812
Group 05R: Radio, Dome Light, Console Light and Beacon Light...643
Radio, Dome Light, Console Light and Beacon Light - Theory of Operation...815
Radio, Dome Light, Console Light and Beacon Light - Electrical Diagram...816
Circuit test for Radio (A60 - Radio Circuits)...817
Circuit test forDome Light (A08)...818
Circuit test for Beacon light (E27)...820
Group 05S: Horn and Accessories Socket...644
Horn and Accessories Socket - Theory of Operation...822
Horn and Accessories Socket - Electrical Diagram...823
Circuit test for Horn (H01)...824
Group 05T: Power Outlet...644
Power Outlet - Theory of Operation...827
Power Outlet - Electrical Diagram...828
Group 05U: Seat Compressor and Cigarette Lighter...644
Seat Compressor and Cigarette Lighter - Theory of Operation...830
Seat Compressor and Cigarette Lighter - Electrical Diagram...831
Seat and Cigarette lighter System...832
Group 05V: Fan and A/C...644
Fan and A/C - Theory of Operation...835
Fan and A/C - Electrical Diagram...836
Fan, Air Conditioning and Automatic A/C control...838
Group 05W: Front Windshield Wiper and Washer...644
Front Windshield Wiper and Washer - Theory of Operation...844
Front Windshield Wiper and Washer - Electrical Diagram...845
Front Windshield Wiper and Washer System...846
Group 05X: Rear Windshield Wiper and Washer...644
Rear Windshield Wiper and Washer - Theory of Operation...849
Rear Windshield Wiper and Washer - Electrical Diagram...850
Rear Windshield Wiper and Washer System...852
Group 05Y: Trailer Connector...644
Trailer Connector - Theory of Operation...855
Trailer Connector - Electrical Diagram...856
Group 10: Wiring Harnesses...644
Disconnecting Electrical Circuits...858
Location of Ground Points...859
Removing and Installing Wiring Harness W01 — Power link Box...861
Removing and Installing Wiring Harness W02 — Engine Wiring Harness...862
Removing and Installing Wiring Harness W04 — Headlights...864
Removing and Installing Wiring Harness W08 — Cab Wiring Harness...865
Removing and Installing Wiring Harness W09 — Hood...867
Removing and Installing Wiring Harness W19 — Cab Roof...869
Removing and Installing Wiring Harness W26 — Fan and Air Conditioning...870
Removing and Installing Wiring Harness W28 — Front End of Transmission...871
Removing and Installing Wiring Harness W30 — Rear End of Transmission...873
Wiring Harness W31 — Power Take-Off for 7-Pin Socket...875
Wiring Harness W32 — Sensor Wiring Harness...876
Group 15: Connectors...645
Connectors - Summary of References...879
A01 - Fuse and relay box...881
A02 - Fuse Box 2...884
A03 - Fuse Box 3...885
A04 - Fuse Box 4...886
A05 - Fuse Box 5...887
A06 - Power Link Box...888
A08 - Dome Light...889
A29 - Pneumatic operator's seat and rear wiper...890
A60 - Radio...891
A62 - Bus terminator...892
A84 - Bus terminator engine...893
B02 - Sender for air cleaner restriction warning light...894
B03 - Fuel gauge sensor unit...895
B04 - Sender for engine oil pressure indicator light...896
B06 - Rear PTO Speed Sensor...897
B07 - Transmission oil filter pressure sensor...898
B08 - Coolant temperature sensor...899
B09 - Wheel Speed Sensor...900
B14 - Compressor and thermostat switch...901
B15 - Air conditioning system pressure switch...902
B21 - Hitch-control position sensor...903
B26 - Sensitivity potentiometer...904
B27 - Feedback unit...905
B29 - Transmission oil temperature sensor...906
B30 - Hydrostatic oil temperature sensor...907
B31 - Transmission oil pressure sender...908
B36 - Neutral start switch...909
B37 - Interface handbrake...910
B41 - Draft potentiometer...911
B56 - Water temperature engine sensor...912
B59 - Manifold air temperature sensor...913
B72 - Crankshaft speed sensor...914
B74 - Event sensor...915
B79 - Foot throttle...916
B88 - Brake switch...917
B96 - Electrical hand throttle...918
B114 - Fuel temperature sensor...919
B121 - Water in fuel sensor...920
B137 - Fuel rail pressure sensor...922
E01 - Right-hand front light...923
E02 - Left-hand front light...924
E05 - Cigarette lighter...925
E09-R - Right-hand front working light...928
E09-L - Left-hand front working light...929
E11-1 - Right-hand rear working light...930
E11-2 - Left-hand rear working light...931
E12-2 - Console light...932
E27 - Beacon light...933
G01 - Battery...934
G02 - Alternator...935
H01 - Horn...936
H77 - Aid heater indicator light...937
K01 - Starter relay...938
M01 - Starter motor...939
M02 - Air conditioning compressor...940
M03 - Wiper motor...941
M04 - Wiper motor...942
M05 - Windshield washer pump...943
M06 - Windshield washer pump...944
M07 - Fan motor...945
M08 - Hitch-control stepper motor...946
M10 - Fan motor...947
M31 - Fuel pump...948
R02 - Fuel preheater...949
R03 - Resistors...950
R15 - Electrical starting aid heater...951
S01 - Starter switch...952
S04 - Horn switch...953
S08 - Turn signal switch...954
S09 - Light switch...955
S10 - Full/low beam light switch...956
S14 - Fan switch...957
S15 - Windshield wiper switch...958
S18 - Rear wiper switch...959
S20 - Windshield switch...960
S21 - Rear PTO switch...961
S22 - Differential lock switch...962
S36 - Beacon light switch...963
S63 - Front-wheel drive switch...964
S68 - External hitch-control switch...965
S92-2 - Rear work lights switch...966
S106 - Hazard warning lights switch...967
W25 - Radio antenna...968
X05 - Trailer connector...969
X25 - Instrument right panel connector...970
X26 - Instrument left panel connector...972
X37 - Accessories socket...974
X40 - Connector (W22 and W23)...975
X42 - Connector (W21 and W22)...976
X106 - Tail, brake and turn signal lights (right-hand)...977
X107 - Tail, brake and turn signal lights (left-hand)...978
X108 - Front right- hand turn signal light...979
X109 - Front left-hand turn signal light...980
X113 - License Light Connector...981
X182 - Connector (W08 and W26)...982
X234 - Connector (W30 and W31)...984
X239 - Outlet Socket Connector...985
X305 - Cooler grounding...986
X400 - Connector (W08 and W19)...987
X411 - Connector (W02 and W04)...990
X430 - Connector (W08 and W30)...992
X431 - Connector (W08 and W28)...995
X450 - Connector (W02 and W08)...998
X473 - Connector (W01 and W08)...1001
X504 - Connector (W08 and W09)...1003
X505 - Connector (W08 and W09)...1006
X547 - Connector (W01 and W02)...1008
X571 - Service connector (CAN Bus)...1009
X612 - Speaker connector...1010
X616-1 Basic control unit (BCU)...1011
X616-2 Basic control unit (BCU)...1013
X616-3 Basic control unit (BCU)...1016
X844-1 — Engine control unit (ECU)...1018
X844-2 — Engine control unit (ECU)...1020
XGND1 - Cab ground wire...1022
XGND2 - Cab ground wire...1023
XGND5 - Cab ground wire...1024
XGND6 - Rear Wiper Ground Wire...1025
XGND9 - Engine grounding...1027
XGND10 - Cab roof ground wire...1028
XGND14 - Cab roof ground wire...1029
XGND58 - Fan and A/C wiring harness grounding...1030
Y03 - Front-wheel drive solenoid valve...1031
Y04 - PTO Solenoid...1032
Y05 - Differential lock solenoid valve...1033
Y44 - Suction control valve...1034
Y47 - Injection valve...1035
Section 245: Electronic Control Units...1036
Group 05: Operation and General Information on Diagnostics...1036
Operation and General Information - Summary of References...1042
Eletronic Control Units - Special Tools...1043
Operation and General Information on Diagnostics - Abbreviations for Control Units...1044
Operation and General Information on Diagnostics - Instrument Unit Adjustment...1045
Operation and General Information on Diagnostics - Operation and Entering the Program Mode using the Performance Monitor...1051
Operation and General Information on Diagnostics - Procedure for Dealing with Diagnostic Trouble Codes...1058
Operation and General Information on Diagnostics - Accessing Addresses and Diagnostic Trouble Codes...1062
Operation and General Information on Diagnostics - Approved Software for Control Units...1073
Operation and General Information on Diagnostics - Locations and Allocations of Control Units...1074
Group 10A: Interactive Tests...1036
Interactive Tests - Summary of References...1076
Procedure in the Event of Problems with Interactive Tests...1077
BCU: Recording in Debug Mode...1078
BCU: Control Unit Information and Input Addresses - Summary...1079
BCU: BCU Test...1080
ECU: Cylinder Misfire Test...1081
ECU: Compression Test...1082
ECU: Cylinder Cut-Out Test...1083
ECU: Harness diagnostic mode test...1084
ECU: Internal Data Monitor (IDM)...1085
ECU: Communication Error Test...1086
ECU: Control Unit Information and Summary...1087
ECU: Engine Speed Change Test...1088
Group 10B: Interactive Calibrations...1036
Interactive Calibrations - Summary of References...1090
Procedure in the Event of Problems with Interactive Calibration...1091
BCU: Calibrate the Hitch Control...1092
ECU: Calibrate the Electronic Fuel Injectors (Move Injectors to Different Positions or Replace Injectors, and Display Progress of Calibration)...1096
Group 15: Information on How to Reprogram Control Units...1037
Information on How to Program Control Units - Summary of References...1098
General Information on How to Reprogram Control Units...1099
Check and Download Tractor-Specific Software Information...1100
Procedure When Replacing Control Units...1101
Important Notes on Programming...1102
Procedure When Programming Control Units...1103
Procedure in the Event of a Problem Programming Control Units Protected by VIN...1104
Procedure in the Event of a Programming Problem...1107
Group 20: Data BUS Systems, Operation...1037
Data BUS systems - Summary of References...1110
Data BUS Systems - CAN BUS Systems...1111
Data BUS Systems - CAN BUS Systems on Engines with Level 16 Control Unit (2-Valve HPCR Fuel System)...1113
Data BUS systems - Plug Layout...1114
Data BUS systems - Determining the Type of the CAN BUS Fault...1115
Group BCU: BCU - Basic Control Unit...1037
BCU - Summary of References...1118
BCU - Summary of Addresses...1119
BCU - Calibration and Input Addresses...1126
BCU - Summary of Operational Checks...1128
BCU - Theory of Operation (Basic Functions)...1129
BCU - Theory of Operation (Hitch Control)...1131
BCU - CAN BUS Information...1133
Address BCU020 - Input Address, Engine Speed Sensor/Pulses per Engine Revolution...1134
Address BCU021 - Input Address, Rear PTO Speed Sensor/Pulses per PTO Revolution...1135
Address BCU022 - Input Address, Front-Wheel Drive Control Function...1136
Address BCU023 - Vacant Input Address...1137
Address BCU024 - Input Address, Settings for Units of Measurement in Display and for Acoustic Indicator for Turn Signal...1138
Address BCU026 - Vacant Input Address...1139
Address BCU027 - Vacant Input Address...1140
Address BCU028 - Input Address, Rear PTO Present/Not Present...1141
Address BCU029 - Vacant Input Address...1142
Address BCU030 - Input Address, Sensor Diagnostics...1143
Address BCU031 - Vacant Input Address...1144
Address BCU034 - Input Address, Configuration of Instrument Unit and Self-Canceling Turn Signals...1145
Address BCU035 - Input Address, Service Interval Setting...1146
Address BCU041 - Vacant Input Address...1147
Address BCU042 - Vacant Input Address...1148
Address BCU043 - Vacant Input Address...1149
Address BCU045 - Vacant Input Address...1150
Address BCU046 - Input Address, Activate/De-activate Delayed Activation of Alternator...1151
Address BCU047 - Input Address, Delayed Activation of Alternator, Configuration...1152
Address BCU048 - Vacant Input Address...1153
Address BCU049 - Vacant Input Address...1154
Address BCU050 - Vacant Input Address...1155
Address BCU051 - Vacant Input Address...1156
Address BCU052 - Vacant Input Address...1157
Address BCU055 - Input Address, Configuration of Acoustic Alarm...1158
Address BCU056 - Input Address, Tire Configuration...1159
Address BCU058 - Input Address, Sensor for Wheel Speed / Transmission Pulses per Axle Revolution...1160
Address BCU060 - Vacant Input Address...1161
Address BCU063 - Vacant Input Address...1162
Address BCU065 - Vacant Input Address...1163
Address BCU071 - Vacant Input Address...1164
Address BCU073 - Vacant Input Address...1165
Address BCU074 - Vacant Input Address...1166
Address BCU075 - Vacant Input Address...1167
Address BCU077 - Vacant Input Address...1168
Address BCU078 - Vacant Input Address...1169
Address BCU088 - Vacant Input Address...1170
Address BCU089 - Vacant Input Address...1171
Address BCU090 - Vacant Input Address...1172
Address BCU091 - Vacant Input Address...1173
Address BCU092 - Vacant Input Address...1174
Address BCU093 - Vacant Input Address...1175
Address BCU094 - Vacant Input Address...1176
Address BCU097 - Input Address, Low Fuel Level Acoustic Alarm...1177
Address BCU099 - Input Address, Automatic Deletion of Diagnostic Trouble Codes...1178
Address BCU101 - Input Address, Leak-Off Function of Hitch Valve On or Off...1179
Address BCU118 - Input Address, Quick Withdrawal and Hitch Dampening On or Off...1180
Address BCU122 - Hitch Control Calibration...1181
Address BCU138 - Input Address, Leak-off Function of Hitch Valve (Adjusting Stepper Motor Steps)...1189
Address BCU145 - Input Address, Hitch Control On or Off...1190
Address BCU154 - Input Address, Leak-off Function of Hitch Valve (Time Setting)...1191
Address BCU162 - Input Address, Switching Off Hydraulic Oil Temperature Access (During Calibration)...1192
Address BCU165 - Input Address, Raise Rate Setting...1193
Address BCU167 - Input Address, Activate/De-activate Hitch Components...1194
Address BCU174 - Input Address, Index for Load Control...1195
Address BCU247 - Tractor Model Designation...1196
Address BCU248 - Tractor Serial Number...1197
B06 - Rear PTO Speed Sensor, Operational Check...1198
B09 - Wheel Speed Sensor, Operational Check...1199
B21 - Hitch Position Sensor, Operational Check...1200
B26 - Sensitivity Potentiometer, Operational Check...1201
B27 - Position Feedback Unit for Hitch Control, Operational Check...1202
B41 - Draft Sensor, Operational Check...1204
B88 - Brake Pedal Sensor Unit, Operational Check...1205
M08 - Stepper Motor for Hitch, Operational Check...1206
S08 - Turn Signal Switch, Operational Check...1207
S21 - Rear PTO Switch, Operational Check...1208
S22 - Differential Lock Switch, Operational Check...1209
S24 - Quick Withdrawal Switch, Operational Check...1210
S63 - Front-Wheel Drive Switch, Operational Check...1211
S68 - Switch for Hitch Remote Control (Left), Operational Check...1212
S106 - Hazard Warning Light Switch, Operational Check...1214
Supply Voltage for 5-volt BCU Components, Operational Check...1215
Group ECU: ECU Control Unit...1040
ECU - Summary of References...1217
ECU - Summary of Addresses (Level 16 ECU for 2-Valve Engine with HPCR)...1218
ECU - Calibration and Input Addresses (Level 16 ECU for 2-Valve Engine with HPCR)...1221
ECU - Theory of Operation (Level 16 ECU for 2-Valve Engine with HPCR)...1223
ECU - Summary of Operational Checks...1226
B02 - Air Cleaner Restriction Sensor, Operational Check...1227
B79 - Accelerator Pedal Potentiometer, Operational Check...1228
B96 - Hand Throttle Potentiometer, Operational Check...1230
R15 - Heating Element of Electrical Starting Aid (2-Valve Engine with HPCR), Operational Check...1232
Section 255: PowrQuad Transmissions...1234
Group 10: Operational Check...1234
PowrQuad Transmission—Operational Check...1243
Group 15: Tests and Adjustments...1234
PowrQuad Transmission—Summary of References...1251
PowrQuad Transmission— Special Tools...1252
PowrQuad Transmission—System Check...1253
PowrQuad Transmission—Test Ports...1261
PowrQuad Transmission—Checking Rate of Flow at Cooler...1263
PowrQuad Transmission—Checking the Cooler Relief Valve...1266
PowrQuad Transmission—System Pressure Check...1269
PowrQuad Transmission—Checking Lube Oil Pressure...1270
PowrQuad Transmission—Checking Cooling Oil Pressure (Forward Clutch)...1272
PowrQuad Transmission—Checking Cooling Oil Pressure (Reverse Brake)...1273
PowrQuad Transmission—Checking Pressure at Forward Clutch...1274
PowrQuad Transmission—Checking Pressure at Reverse Brake...1275
PowrQuad Transmission—Checking Pressure at Brake B1...1276
PowrQuad Transmission—Checking Pressure at Brake B2...1277
PowrQuad Transmission—Checking Pressure at Brake B3...1278
PowrQuad Transmission—Checking Pressure at Clutch C4...1279
PowrQuad Transmission—Adjusting System Pressure...1281
PowrQuad Transmission—Test Result Table...1283
PowrQuad Transmission—Adjusting Gear Shift...1286
PowrQuad Transmission—Adjusting Forward/Reverse Cable...1288
PowrQuad Transmission—Adjusting Park Lock...1290
Group 20: Operation...1234
PowrQuad Transmission — Summary of References...1292
PowrQuad Transmission—Layout...1293
PowrQuad Module—Layout...1294
PowrQuad Module—Cross-Sectional and 3D View...1296
PowrQuad Module—Location of Valves, Sensors and Switches...1298
PowrQuad Module—Element Engagement Chart...1301
PowrQuad Module—Pneumatic Pump...1302
PowrQuad Module—Transmission Oil Pump...1305
PowrQuad Module — Pressure-Regulating Valve and Filter Relief Valve...1307
PowrQuad Module—Overspeed Relief Valve and Anti-Cavitation Check Valve...1312
PowrQuad Module—Clutch Cooling Components...1314
PowrQuad Module —Clutch Cooling Valve (Forward/Reverse)...1315
PowrQuad Module—System 1 Oil and System 2 Oil...1316
PowrQuad Module—Hydraulic Schematic, Mechanically Actuated PowrQuad Module...1317
PowrQuad Module—Operation of Forward/Reverse Modulation, Mechanically Actuated PowrQuad Module...1319
PowrQuad Module—Neutral Start Circuit, Mechanically Actuated PowrQuad Module...1322
PowrQuad Module—Operation of Gear-to-Gear Modulation, Mechanically Actuated PowrQuad Module...1323
Group 30: Range Box...1235
Range Transmission — Cross-Sectional View...1328
Section 256: Drive Systems...1330
Group 10: Operational Check...1330
Power train - operational check...1334
Group 15: Tests and Adjustments...1330
Tests and Adjustments—Summary of References...1338
Tests and Adjustments—Special Tools...1339
Drive Systems—System Check...1340
Checking Pressure at the Front-Wheel Drive Clutch...1344
Checking Pressure at the Hydraulic Differential Lock...1345
Checking Pressure at the PTO...1346
Drive Systems—Test Result Table...1349
Group 20: Operation...1330
Drive Systems—Summary of References...1351
Front Wheel Drive Clutch—Cross-Sectional View...1352
Front Wheel Drive Clutch—Oil Flow and Power Flow...1354
Front Wheel Drive Clutch Disengaged—Oil Flow...1356
Differential—Cross-Sectional View...1358
Differential—Power Flows...1360
Differential—Oil Flows...1362
Final Drives—Operation and Cross-Sectional View...1365
PTO Options—Description...1366
PTO Options—PTO Modulating Valve and Solenoid Valve...1368
PTO Options—PTO brake and PTO clutch...1370
PTO Options—Power Flows...1372
Section 260: Steering and Brakes...1374
Group 05: Preliminary Checks...1374
Preliminary Checks—Summary of References...1377
Preliminary Checks – Steering System...1378
Preliminary Checks – Brake System...1382
Group 10: Operational Check...1374
Operational Checkout—Summary of References...1384
Safety Information...1385
Steering Check...1386
Checking Brakes...1387
Group 15: Tests and Adjustments...1374
Tests Tests Tests & Adjustments—Summary of References{pgNO}1374 Adjustments—Summary of References{pgNO}1389 Adjustments—Summary of References...1388
Steering and Brakes - Special Tools...1390
Steering and Brakes - Specifications...1392
Checking Steering Valve...1393
Checking Brake System...1396
Bleeding the Rear Brakes...1397
Adjusting Brake Pedals and Switches...1398
Group 20A: Hydrostatic Steering...1374
Description of Steering Valves, Operation...1406
Group 20B: Brakes...1374
Brakes—Summary of Reference...1414
Operation of Brake Piston, Plate and Disks...1415
Brake released...1417
Initial Braking...1419
Brake Engaged...1421
Rear Wheel Brakes, Operation...1423
Group 20C: Air brake system...1374
Steering and Brakes - Air Brakes, Summary of References...1425
Steering and Brakes - Air Brakes, Description...1426
Steering and Brakes - Air Brakes, Compressor...1428
Steering and Brakes - Air Brakes, Pressure Regulating Valve...1429
Steering and Brakes - Air Brakes, Compressed Air Tank...1430
Steering and Brakes - Air Brakes, Trailer Control Valve...1431
Steering and Brakes - Air Brakes, Coupling Ends...1432
Section 270: Hydraulic System...1433
Group 10: Operational Check...1433
Hydraulic System - Operational Check—Summary of References...1436
General Information - Transmission and Hydraulic System, Introductory Checks...1437
Hydraulic System - Load Check...1441
Hitch Control – Operational Check...1442
Hydraulic System - External Control of Hitch, Operational Check-Out...1444
Hydraulic System - Selective Control Valves (M-SCV), Operational Check-Out...1445
Group 15: Tests and Adjustments...1433
Tests and Adjustments - Summary of References...1449
Hydraulic System - Special Tools...1450
Hydraulic System - Safety Measures for Hydraulic Checks...1452
Warming Hydraulic System Oil...1454
PFC Hydraulic System - Worksheet for the Hydraulic System Diagnostics...1455
PFC Hydraulic System - Oil Pressure Test Ports...1458
PFC Hydraulic System - Checking and Adjusting the Maximum Load Sense Pressure...1459
PFC Hydraulic System - Check and Adjust System Oil Pressure...1461
PFC Hydraulic System - Check and Adjust Differential Pressure...1463
PFC Hydraulic System - Priority Circuit 1, Checking and Adjusting the Load Sense Oil Pressure for Steering...1465
PFC Hydraulic System - Priority Circuit 3, Checking the Oil Pressure...1467
PFC Hydraulic System - Hydraulic Pump, Checking the Delivery Rate...1469
PFC Hydraulic System - Check the Charge and Lube Oil Pressure...1471
Hydraulic System - Checking the Hitch Valve and the Stepper Motor...1472
Hydraulic System - Hitch Valve, Centering the Stepper Motor...1474
Hydraulic System - Hitch Valve, Rough Adjustment of the Raise and Lower Valves...1475
Hydraulic System - Hitch Valve, Checking the Position Sensor...1477
Hydraulic System - Hitch Valve, Checking and Adjusting the Draft Load Potentiometer...1478
Group 20: Theory of operation...1433
Hydraulic System Theory of Operation—Summary of References...1481
Hydraulic System - Summary of Abbreviations...1482
PFC Hydraulic System - Summary of Components...1483
PFC Hydraulic System — Symbolic Representation...1485
Group 20A: Oil Filter, Charge Pump and Hydraulic Pump...1434
Oil Filter, Charge Pump and Hydraulic Pump―Summary of References...1487
PFC Hydraulic System - Hydraulic Oil Filter, Operation...1488
PFC Hydraulic System - Charge Pump, Operation...1490
PFC Hydraulic System - Hydraulic Pump, Operation...1492
PFC Hydraulic System - Hydraulic Pump, Operating Modes...1496
PFC Hydraulic System - Hydraulic Oil Primary Filter, Component Information...1503
PFC Hydraulic System - Hydraulic Oil Filter, Component Information...1504
PFC Hydraulic System - Charge Pump, Component Information...1505
PFC Hydraulic System - Hydraulic Pump, Component Information...1507
Group 20B: Hitch...1434
Hitch - Summary of References...1509
Hitch - Summary of Components...1510
Hitch - Hitch Control, Operation...1512
Hitch - Hitch Valve, Operation...1514
Hitch - Position Sensor, Operation...1516
Hitch - Draft Sensor, Operation...1517
Hitch - Controls...1518
Hitch - Direct Control...1519
Group 20C: Selective control valves (SCV)...1434
Selective Control Valves (SCVs) - Summary of References...1521
Selective Control Valve (M-SCV 100) - Operation...1522
Selective Control Valve (M-SCV 200) - Operation...1530
Group 20D: Hydraulic block...1434
PFC Hydraulic System - Hydraulic Block, Summary of References...1542
PFC Hydraulic System - Hydraulic Block, Summary of Components...1543
PFC Hydraulic System - Priority 1 Control Block, Component Information...1545
PFC Hydraulic System - Priority 3 Control Block, Component Information...1547
Section 290: Operator's Cab...1549
Group 15: Tests and Adjustments...1549
Operational Checkout―Summary of References...1551
Safety in the Workplace...1552
Handling Refrigerant...1553
Safety Equipment...1554
In the Event of an Emergency...1555
Storage of Refrigerant Containers...1556
Refrigerant R134a...1557
Important...1558
Operator's Cab - Special Tools...1559
Specification...1560
Explanation Of Checks...1561
Pressure Deviations...1575
Group 20: Operation...1549
Air Condtioning System - Summary of References...1578
Air Condtioning System - R134A Refrigerant...1579
Air Condtioning System - Principle of Heat Exchange...1580
Refrigerant Circuit Layout...1581
Refrigerant Circuit Operation...1582
Component Description...1584
Air Condtioning System - Expansion Valve, Component Information...1588
Thermostat Switch...1590
Heating and Ventilation...1591
Section 299: Special Tools (Dealer-Fabricated)...1593
Group 05: Special Tools (Dealer-Fabricated)...1593
Special Tools (Dealer-Fabricated) — Summary...1595
Retainer Tool...1596
Adjustment Tool...1597
DFRW2—Needle Valve Test Hose Assembly...1598
DFLX10 and DFLX11—Test Harnesses...1599
DFLX12—Special Tool for 11-bit and 29-bit CAN BUS...1600
DFLX14—Solenoid Valve Test Harness...1601
Group 10: Special Tools (Available as Spare Parts)...1593
Special tool information...1603
John Deere 6M-1654, 6M-1854, and 6M-2104 Tractors Diagnosis and Test Service Technical Manual (TM706314)
