John Deere 770G 770GP 772G 772GP Motor Grader Diagnostics and Tests Workshop Manual PDF (TM13066X19) - MJODTM13066X19.zip
This Complete Diagnosis & Tests Technical Manual delivers full electrical wiring diagrams for the John Deere 770G, 770GP, 772G, and 772GP Motor Graders, along with service guidance so you can maintain, troubleshoot, and rebuild these machines the way trained technicians do.
Covered inside this John Deere 770G, 770GP, 772G, and 772GP Motor Grader Diagnosis & Tests service manual are:
* 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.
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PRODUCT DETAILS:
Total Pages: 2,506 pages
File Format: PDF/EPUB/MOBI/AZW (PC/Mac/Android/Kindle/iPhone/iPad; bookmarked, ToC, Searchable, Printable)
Category: Operation and Test
Language: Spanish English Russian Portuguese French
Models: John Deere - 770G Motor Grader - 1DW770GP_ _D656729 – 678817
TABLE OF CONTENTS
Section 9000: General Information...37
Group 01: Safety...37
Recognize Safety Information...40
Follow Safety Instructions...41
Operate Only If Qualified...42
Wear Protective Equipment...43
Avoid Unauthorized Machine Modifications...44
Inspect Machine...45
Stay Clear of Moving Parts...46
Avoid High-Pressure Fluids...47
Avoid High-Pressure Oils...48
Work In Ventilated Area...49
Avoid Static Electricity Risk When Refueling...50
Prevent Fires...52
Prevent Battery Explosions...53
Handle Chemical Products Safely...54
Decommissioning — Proper Recycling and Disposal of Fluids and Components...55
Prepare for Emergencies...56
Clean Debris from Machine...57
Use Steps and Handholds Correctly...58
Start Only From Operator's Seat...59
Use and Maintain Seat Belt...60
Prevent Unintended Machine Movement...61
Avoid Work Site Hazards...62
Keep Riders Off Machine...64
Avoid Backover Accidents...65
Avoid Machine Tip Over and Machine Damage...66
Operating or Traveling On Public Roads...67
Inspect and Maintain ROPS...68
Add and Operate Attachments Safely...69
Park and Prepare for Service Safely...70
Service Cooling System Safely...71
Remove Paint Before Welding or Heating...72
Make Welding Repairs Safely...73
Drive Metal Pins Safely...74
Service Tires Safely...75
Section 9001: Diagnostics...76
Group 10: PCU Diagnostic Trouble Codes...76
000177.00 - Transmission Oil Temperature High...76
000177.04 - Transmission Oil Temperature Short To Ground...76
000525.02 - Program Variable REQ_GEAR Has Taken On An Invalid Value...76
000525.12 - Request For An Undefined Shift Being Made...76
000723.02 - Transmission Input Speed Sensor Bad Data...76
002000.02 - ECU CAN Data Invalid...76
002000.09 - Can Communication Lost For ECU...76
002033.02 - FLC CAN Data Invalid...76
002033.09 - CAN Communication Lost For FLC...76
002225.09 - CAN Communication Lost For Six Wheel Drive...76
522252.00 - Clutch 1 Hold Pressure Too High...76
522252.01 - Clutch 1 Hold Pressure Too Low...76
522253.00 - Clutch 2 Hold Pressure Too High...76
522253.01 - Clutch 2 Hold Pressure Too Low...76
522254.00 - Clutch 3 Hold Pressure Too High...76
522254.01 - Clutch 3 Hold Pressure Too Low...76
522255.00 - Clutch 4 Hold Pressure Too High...76
522255.01 - Clutch 4 Hold Pressure Too Low...76
522256.00 - Clutch A Hold Pressure Too High...76
522256.01 - Clutch A Hold Pressure Too Low...76
522257.00 - Clutch B Hold Pressure Too High...76
522257.01 - Clutch B Hold Pressure Too Low...76
522258.00 - Clutch C Hold Pressure Too High...76
522258.01 - Clutch C Hold Pressure Too Low...76
522259.00 - Clutch D Hold Pressure Too High...76
522259.01 - Clutch D Hold Pressure Too Low...76
522397.04 - Not In Forward Or Reverse While In Gear...76
522398.12 - Park And Not Park Both Active...76
522405.05 - Park Brake Pressure Low At Power-up...76
522413.12 - Gear Bits Active In Park...76
522414.03 - Transmission Clutch D Short To Power...76
522414.05 - Transmission Clutch D Open/Short To Ground...77
522507.14 - Inching Pedal During Trans Calibration...77
522517.31 - Engine Stall Prevention Active...77
523655.03 - Forward And Reverse Both Active...77
523699.31 - Transmission Speed Clutch Slipping...77
523700.00 - Clutch Protection Excessive Inching...77
523700.16 - Clutch Protection Excessive Inching...77
523700.31 - Transmission Direction Clutch Slipping...77
523708.02 - Inching Switch Signal Bad...77
523712.31 - Transmission CAL Without Park Brake Set...77
523717.31 - Helper Clutch Pressure High...77
523718.31 - Clutch Drum Speed Decel Excessive...77
523720.00 - Clutch D Fill Time Too Long...77
523720.01 - Clutch D Fill Time Too Short...77
523721.00 - Clutch C Fill Time Too Long...77
523721.01 - Clutch C Fill Time Too Short...77
523722.00 - Clutch B Fill Time Too Long...77
523722.01 - Clutch B Fill Time Too Short...77
523723.00 - Clutch A Fill Time Too Long...77
523723.01 - Clutch A Fill Time Too Short...77
523724.00 - Clutch 4 Fill Time Too Long...77
523724.01 - Clutch 4 Fill Time Too Short...77
523725.00 - Clutch 3 Fill Time Too Long...77
523725.01 - Clutch 3 Fill Time Too Short...77
523726.00 - Clutch 2 Fill Time Too Long...77
523726.01 - Clutch 2 Fill Time Too Short...77
523727.00 - Clutch 1 Fill Time Too Long...77
523727.01 - Clutch 1 Fill Time Too Short...77
523728.31 - Transmission Reverse Cylinder Speed Incorrect At Calibration...77
523729.31 - Transmission Forward Cylinder Speed Incorrect At Calibration...77
523730.31 - No Transmission Cylinder Speed During Calibration...77
523731.31 - Transmission Output Speed Detected At Calibration...77
523732.31 - Engine Speed Too Low To Calibrate The Transmission...77
523733.31 - Engine Speed Too High To Calibrate The Transmission...78
523734.31 - Transmission Too Cold To Calibrate...78
523735.04 - Valve Driver Supply Voltage Low...78
523736.14 - Bad Gear Position Switch State...78
523738.02 - Shifter Handle Problem...78
523738.31 - Shifter Handle Problem...78
523739.31 - Not Park And Forward/Reverse Mismatch...78
523740.31 - Forward/Reverse Switch And Gear Mismatch...78
523741.31 - Started In Gear...78
523742.31 - Shifter Vsense Low...78
523747.14 - Park and Not Park Both Passive...78
523750.04 - Not Park Passive In Gear Or Neutral...78
523754.03 - Not Park Active At Startup...78
523755.05 - Park Start Input Passive At Power Up...78
523761.03 - Transmission Clutch 4 Short To Power...78
523761.05 - Transmission Clutch 4 Open/Short To Ground...78
523762.03 - Transmission Clutch 3 Short To Power...78
523762.05 - Transmission Clutch 3 Open/Short To Ground...78
523763.03 - Transmission Clutch 2 Short To Power...78
523763.05 - Transmission Clutch 2 Open/Short To Ground...78
523764.03 - Transmission Clutch 1 Short To Power...78
523764.05 - Transmission Clutch 1 Open/Short To Ground...78
524029.00 - Inching Pedal Out Of Range High...78
524029.01 - Inching Pedal Out Of Range Low...78
524029.12 - Inching Pedal Minimum Voltage Exceeds Maximum Voltage...78
524194.07 - Direction Sensor Mismatch...78
524271.03 - Transmission Clutch C Short To Power...78
524271.05 - Transmission Clutch C Open/Short To Ground...78
524272.03 - Transmission Clutch B Short To Power...78
524272.05 - Transmission Clutch B Open/Short To Ground...78
524273.03 - Transmission Clutch A Short To Power...78
524273.05 - Transmission Clutch A Open/Short To Ground...78
524275.31 - Forward/Reverse Without Valid Gear...78
Group 20: ECU Diagnostic Trouble Codes...79
000029.03 - Decel Pedal Short to Power...79
000091.03 - Accel Pedal Short to Power...79
000091.04 - Accel Pedal Open or Short...79
000107.00 - Engine Air Filter Restricted...79
000596.31 - Engine Speed Control Enable Switch Fault...79
000600.31 - Engine Speed Accel/ Decel Switch Fault...79
001196.31 - ECU Anti Theft Locked...79
001321.05 - Starter Relay Open Circuit...79
001321.06 - Starter Relay High Current...79
001321.30 - Starter Engaged for 30 Seconds...79
001321.31 - Starter Solenoid Open Circuit...79
002003.09 - CAN Communication Lost For TCU...79
002033.09 - CAN Communication Lost For FLC...79
Group 30: ADU Diagnostic Trouble Codes...79
000158.03 - Switched Power Voltage High...79
000158.04 - Switched Power Voltage Low...79
000168.03 - Battery Voltage High...79
000168.04 - Battery Voltage Low...79
000442.00 - Display Temperature High...79
000442.01 - Display Temperature Low...79
001491.11 - LCD Backlight Failure...79
002033.09 - CAN Communication Lost For FLC...79
003597.02 - 5.0 Volt Power Supply Invalid...79
003598.02 - 1.5 Volt Power Supply Invalid...79
003599.02 - 3.3 Volt Power Supply Invalid...79
523436.14 - ADU Watchdog Time Out...79
523438.31 - Memory Error...79
523651.02 - Memory Stack Overflow...79
523773.03 - CAN High Voltage High...79
523773.04 - CAN High Voltage Low...79
523774.03 - CAN Low Voltage High...79
523774.04 - CAN Low Voltage Low...79
524076.10 - Information Button Stuck...80
524077.10 - Back Key Button Stuck...80
524078.10 - Menu Select Button Stuck...80
524080.10 - Down Arrow Button Stuck...80
524082.10 - Up Arrow Button Stuck...80
Group 40: FLC Diagnostic Trouble Codes...80
000096.03 - Fuel Level Sender Open or Short...80
000096.04 - Fuel Level Sender Short To Ground...80
000117.01 - Service Brake Pressure Low...80
000117.04 - Service Brake Accumulator Switch Short to Ground...80
000167.03 - System Voltage Above Normal...80
000167.04 - System Voltage Below Normal...80
000168.03 - High Battery Voltage...80
000168.04 - Low Battery Voltage...80
000746.05 - Differential Lock Solenoid Open or Short...80
000746.06 - Differential Lock Solenoid High Current...80
000880.05 - Brake Lights Open or Short...80
000880.06 - Brake Lights High Current...80
000977.05 - Reverse Fan Solenoid Open or Short...80
000977.06 - Reverse Fan Solenoid Short to Ground...80
001045.04 - Brake Light Switch Short to Ground...80
001071.03 - Fan Speed Solenoid Open or Short...80
001071.04 - Fan Speed Solenoid High Current...80
001196.02 - ECU Toggle Lock Status Failed...80
001550.05 - AC Clutch Open Circuit...80
001550.06 - AC Clutch Short to Ground...80
001638.00 - Hydraulic Oil High Temperature...80
001638.03 - Hydraulic Oil Temperature Sensor Open or Short...80
001638.04 - Hydraulic Oil Temp Short To Ground...80
001713.01 - Hydraulic Oil Filter Restricted...80
001713.03 - Hydraulic Oil Filter Switch Short to Power...80
001762.01 - Hydraulic Pressure Low...80
001762.03 - Hydraulic Pressure Short to Power...80
001762.04 - Hydraulic Pressure Short to Ground...81
002000.09 - CAN Communication Lost For ECU...81
002003.09 - CAN Communication Lost For TCU...81
002034.09 - CAN Communication Lost For AVC...81
002040.09 - CAN Communication Lost For ADU...81
002141.09 - CAN Communication Lost For SSM...81
002160.09 - CAN Communication Lost For RJ1...81
002161.09 - CAN Communication Lost For RJ2...81
002162.09 - CAN Communication Lost For RJ3...81
002163.09 - CAN Communication Lost For RJ4...81
002165.09 - CAN Communication Lost For LJ1...81
002166.09 - CAN Communication Lost For LJ2...81
002167.09 - CAN Communication Lost For LJ3...81
002168.09 - CAN Communication Lost For LJ4...81
002213.09 - CAN Communication Lost For HVC...81
002225.09 - CAN Communication Lost For 6WD...81
002251.09 - JDL CAN Comm Bad Update Rate...81
002348.05 - High Beam Lamps Open Circuit...81
002348.06 - High Beam Lamps High Current...81
002350.05 - Low Beam Lamps Open Circuit...81
002350.06 - Low Beam Lamps High Current...81
002352.05 - Cab Front Work Lights Open Circuit...81
002352.06 - Cab Front Work Lights High Current...81
002353.05 - Front Work Lights Open Circuit...81
002353.06 - Front Work Lights High Current...81
002356.05 - Front Cab Corner Lights Open Circuit...81
002356.06 - Front Cab Corner Lights High Current...81
002360.05 - Rear Work Lights Open Circuit...81
002360.06 - Rear Work Lights High Current...81
002362.05 - Rear Cab Corner Lights Open Circuit...81
002362.06 - Rear Cab Corner Lights High Current...81
002366.05 - Side Work Lights Open Circuit...81
002366.06 - Side Work Lights High Current...81
002368.05 - Left Turn Lights Open Circuit...82
002368.06 - Left Turn Lights High Current...82
002370.05 - Right Turn Lights Open Circuit...82
002370.06 - Right Turn Lights High Current...82
002378.05 - Marker/Tail Lights Open Circuit...82
002378.06 - Marker/Tail Lights High Current...82
002386.06 - Rotary Beacon Short to Ground...82
002874.04 - High Beam Switch Short to Ground...82
002876.04 - Turn Signal Switch Short to Ground...82
003318.03 - Blade Pitch Sensor Short to Power...82
003318.04 - Blade Pitch Sensor Short to Ground...82
003319.03 - Slope Sensor Short to Power...82
003319.04 - Slope Sensor Short to Ground...82
003331.03 - Circle Rotate Sensor Short to Power...82
003331.04 - Circle Rotate Sensor Short to Ground...82
3509.03 - Sensor Supply 1 Short to Power...82
3509.04 - Sensor Supply 1 Short to Ground...82
003510.03 - Sensor Supply 2 Short to Power...82
003510.04 - Sensor Supply 2 Short to Ground...82
003511.03 - Sensor Supply 3 Short to Power...82
003511.04 - Sensor Supply 3 Short to Ground...82
517064.01 - Hydrostatic Oil Filter Restricted...82
517064.03 - Hydrostatic Oil Filter Restriction Switch Circuit Fault...82
520450.03 - Saddle Lock Pin Switch Short to Power...82
521650.00 - Fan Pressure Extremely High...82
521650.03 - Hydraulic Fan Pressure Sensor Short to Power...82
521650.04 - Hydraulic Fan Pressure Sensor Short to Ground...82
521900.03 - Articulation Angle Sensor Short to Power...82
521900.04 - Articulation Angle Sensor Short to Ground...82
522340.05 - Saddle Lock Solenoid Open Circuit...82
522340.06 - Saddle Lock Solenoid High Current...82
522341.05 - Heated Mirror Open Circuit...82
522341.06 - Heated Mirror High Current...82
522343.06 - Rear Window Defrost Relay High Current...83
522375.01 - Transmission Oil Filter Restricted...83
522375.03 - Transmission Oil Filter Switch Short to Power...83
522415.05 - Front Lower Washer Pump Open Circuit...83
522415.06 - Front Lower Washer Pump High Current...83
522416.05 - Front Lower Wiper High Speed Open Circuit...83
522416.06 - Front Lower Wiper High Speed High Current...83
522417.05 - Front Lower Wiper Park Open Circuit...83
522418.05 - Front Lower Wiper Low Speed Open Circuit...83
522418.06 - Front Lower Wiper Low Speed High Current...83
522426.05 - Rear Wiper Park Open Circuit...83