JOHN DEERE 6415, 6615, 7515 SOUTH AMERICA TRACTORS (DIAGNOSIS &TESTS) SERVICE MANUAL (TM8128)

The JOHN DEERE 6415, 6615, and 7515 TRACTORS DIAGNOSIS & TESTS SERVICE MANUAL (TM8128) is the essential tool for diagnosing and testing your tractor models. This manual provides a thorough and systematic approach to troubleshooting, ensuring you can easily identify issues and implement the necessary solutions. With detailed instructions and testing procedures tailored to these South American models, it helps you maintain peak performance and extend the lifespan of your tractors, making it a valuable resource for both technicians and owners alike.

DOWNLOAD NOW JOHN DEERE 6415, 6615, 7515 TRACTORS (DIAGNOSIS &TESTS) SERVICE MANUAL (TM8128)

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📑 Table of Contents:

- FOREWORD
- RECOGNIZE SAFETY INFORMATION
- FOLLOW SAFETY INSTRUCTIONS
- REPLACE SAFETY SIGNS
- WEAR PROTECTIVE CLOTHING
- PREVENT BATTERY EXPLOSIONS
- SERVICE TIRES SAFELY
- KEEP ROPS INSTALLED PROPERLY
- PARK MACHINE SAFELY
- HANDLE FLUIDS SAFELY—AVOID FIRES
- HANDLE FUEL SAFELY—AVOID FIRES
- PREPARE FOR EMERGENCIES
- WORK IN CLEAN AREA
- PREVENT MACHINE RUNAWAY
- WORK IN VENTILATED AREA
- AVOID HIGH-PRESSURE FLUIDS
- USE PROPER LIFTING EQUIPMENT
- ILLUMINATE WORK AREA SAFELY
- USE PROPER TOOLS
- LIVE WITH SAFETY
- Section 210 - GENERAL INFORMATION
- Group 05 - Safety Measures
- Safety Measures on Electronic Control Units
- Group 15 - General References
- General References—Summary
- Unified Inch Bolt and Cap Screw Torque Values
- Metric Bolt and Cap Screw Torque Values
- Hydraulic System Unified Inch Fitting Torques
- Hydraulic system metric fitting torques
- Component Identification Table
- Diagnostic Diagram and Information on Symbols in DiagramHow to use an Electrical Diagram
- Electrical Diagram Symbols
- Wire Numbers and Color Codes
- Troubleshooting Unsolved Problems
- Electrical System Visual Inspection
- Types of fault
- High resistance or open circuit
- Grounded circuit
- Shorted circuit
- High resistance or open circuit
- Grounded circuit
- Shorted circuit
- Seven Steps Electrical Test Procedure
- Hydraulic System — Circuit Symbols
- Section 211 - DIAGNOSTIC TROUBLE CODES
- Group BCU - BCU Diagnostic Trouble Codes
- Diagnostics
- Preliminary tests
- Check System Voltage (BCU System Voltage)
- Checking the charging system
- Preliminary tests
- Check System Voltage (BCU System Voltage)
- Checking the charging system
- Diagnostics
- Preliminary tests
- Check System Voltage (BCU System Voltage)
- Checking the charging system
- Preliminary tests
- Check System Voltage (BCU System Voltage)
- Checking the charging system
- Diagnostics
- Preliminary tests
- Check System Voltage (BCU System Voltage)
- Checking the charging system
- Preliminary tests
- Check System Voltage (BCU System Voltage)
- Checking the charging system
- Diagnostics
- Preliminary tests
- Check input address for configuration of engine speed sender
- Checking the combination of signals in diagnostic address BCU 03
- Preliminary tests
- Check input address for configuration of engine speed sender
- Checking the combination of signals in diagnostic address BCU 03
- Diagnostics
- Preliminary tests
- Preliminary tests
- Diagnostics
- Preliminary tests
- Preliminary tests
- Diagnostics
- Preliminary tests
- Preliminary tests
- Diagnostics
- Preliminary tests
- Preliminary tests
- Diagnostics
- Preliminary tests
- Checking the differential lock solenoid valve
- Preliminary tests
- Checking the differential lock solenoid valve
- Diagnostics
- Preliminary tests
- Checking the combination of signals in diagnostic address BCU 07
- Preliminary tests
- Checking the combination of signals in diagnostic address BCU 07
- Diagnostics
- Preliminary tests
- Checking the turn signal switch
- Preliminary tests
- Checking the turn signal switch
- BCU 302001.31 - OPERATOR INFORMATION 250-Hour Service
- BCU 302002.31 - OPERATOR INFORMATION 500-Hour Service
- BCU 302003.31 - OPERATOR INFORMATION 750-Hour Service
- BCU 302004.31 - OPERATOR INFORMATION 1500-Hour Service
- BCU 302071.31 - OPERATOR INFORMATION Turn PTO switch OFF
- Diagnostics
- Preliminary tests
- Checking the PTO solenoid
- Preliminary tests
- Checking the PTO solenoid
- Diagnostics
- Preliminary tests
- Check differential lock switch
- Preliminary tests
- Check differential lock switch
- BCU 302082.31 - OPERATOR INFORMATION Actuate Front-Wheel Drive Switch
- Diagnostics
- Preliminary tests
- Check the front-wheel drive switch
- Preliminary tests
- Check the front-wheel drive switch
- Diagnostics
- Preliminary tests
- Check input address for configuration of front-wheel drive
- Check the front-wheel drive solenoid valve
- Preliminary tests
- Check input address for configuration of front-wheel drive
- Check the front-wheel drive solenoid valve
- BCU 302089.31 - OPERATOR INFORMATION Turn PTO switch OFF
- Diagnostics
- Preliminary tests
- Preliminary tests
- Diagnostics
- Preliminary tests
- Checking the circuit of turn signal lights (H34, H35, H42 and H43)
- Preliminary tests
- Checking the circuit of turn signal lights (H34, H35, H42 and H43)
- Diagnostics
- Preliminary tests
- Check fuses of hazard warning lights
- Check circuit for hazard warning light fuse F113 and F114
- Preliminary tests
- Check fuses of hazard warning lights
- Check circuit for hazard warning light fuse F113 and F114
- Diagnostics
- Preliminary tests
- Preliminary tests
- Diagnostics
- Preliminary tests
- Check control unit identification circuit (cable 544)
- Preliminary tests
- Check control unit identification circuit (cable 544)
- Diagnostics
- Preliminary tests
- Test the functionality of the hitch
- Preliminary tests
- Test the functionality of the hitch
- Diagnostics
- Preliminary tests
- Perform the hitch calibration
- Preliminary tests
- Perform the hitch calibration
- Diagnostics
- Preliminary tests
- Checking the 5-volt power supply
- Checking the power supply circuit of the 5-volt components
- Preliminary tests
- Checking the 5-volt power supply
- Checking the power supply circuit of the 5-volt components
- Diagnostics
- Preliminary tests
- Checking the 5-volt power supply
- Checking the power supply circuit of the 5-volt components
- Preliminary tests
- Checking the 5-volt power supply
- Checking the power supply circuit of the 5-volt components
- Diagnostics
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Diagnostics
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Diagnostics
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Diagnostics
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- Preliminary tests
- Checking the stepper motor
- Check circuit of stepper motor (M08)
- BCU 303045.04 - System Voltage Too Low
- BCU 303047.03 - System Voltage Too High
- Diagnostics
- Preliminary tests
- Checking the rocker switch and remote switch
- Preliminary tests
- Checking the rocker switch and remote switch
- Diagnostics
- Preliminary tests
- Check rocker switch
- Preliminary tests
- Check rocker switch
- Diagnostics
- Preliminary tests
- Check rocker switch
- Preliminary tests
- Check rocker switch
- Diagnostics
- Preliminary tests
- Check voltage supply of draft sender
- Check left draft sender
- Preliminary tests
- Check voltage supply of draft sender
- Check left draft sender
- Diagnostics
- Preliminary tests
- Check voltage supply of draft sender
- Check left draft sender
- Preliminary tests
- Check voltage supply of draft sender
- Check left draft sender
- Diagnostics
- Preliminary tests
- Check voltage supply of draft sender or draft potentiometer
- Check draft sender or draft potentiometer
- Preliminary tests
- Check voltage supply of draft sender or draft potentiometer
- Check draft sender or draft potentiometer
- Diagnostics
- Preliminary tests
- Check voltage supply of draft sender or draft potentiometer
- Check draft sender or draft potentiometer
- Preliminary tests
- Check voltage supply of draft sender or draft potentiometer
- Check draft sender or draft potentiometer
- Diagnostics
- Preliminary tests
- Check sensitivity potentiometer
- Check voltage supply of sensitivity potentiometer
- Preliminary tests
- Check sensitivity potentiometer
- Check voltage supply of sensitivity potentiometer
- Diagnostics
- Preliminary tests
- Check sensitivity potentiometer
- Check voltage supply of sensitivity potentiometer
- Preliminary tests
- Check sensitivity potentiometer
- Check voltage supply of sensitivity potentiometer
- Diagnostics
- Preliminary tests
- Check hitch height control potentiometer
- Check voltage supply of hitch height control potentiometer
- Preliminary tests
- Check hitch height control potentiometer
- Check voltage supply of hitch height control potentiometer
- Diagnostics
- Preliminary tests
- Check hitch height control potentiometer
- Check voltage supply of hitch height control potentiometer
- Preliminary tests
- Check hitch height control potentiometer
- Check voltage supply of hitch height control potentiometer
- Diagnostics
- Preliminary tests
- Position sensor check
- Check voltage supply of position sensor
- Preliminary tests
- Position sensor check
- Check voltage supply of position sensor
- Diagnostics
- Preliminary tests
- Position sensor check
- Check voltage supply of position sensor
- Preliminary tests
- Position sensor check
- Check voltage supply of position sensor
- Diagnostics
- Preliminary tests
- Check raise limit potentiometer
- Check voltage supply of raise limit potentiometer
- Preliminary tests
- Check raise limit potentiometer
- Check voltage supply of raise limit potentiometer
- Diagnostics
- Preliminary tests
- Check raise limit potentiometer
- Check voltage supply of raise limit potentiometer
- Preliminary tests
- Check raise limit potentiometer
- Check voltage supply of raise limit potentiometer
- Diagnostics
- Preliminary tests
- Check rate-of-drop potentiometer
- Check voltage supply of rate-of-drop potentiometer
- Preliminary tests
- Check rate-of-drop potentiometer
- Check voltage supply of rate-of-drop potentiometer
- Diagnostics
- Preliminary tests
- Check rate-of-drop potentiometer
- Check voltage supply of rate-of-drop potentiometer
- Preliminary tests
- Check rate-of-drop potentiometer
- Check voltage supply of rate-of-drop potentiometer
- Diagnostics
- Preliminary tests
- Check remote control switch
- Preliminary tests
- Check remote control switch
- Diagnostics
- Preliminary tests
- ‘Calibrating the discharge valve”
- ‘Calibrating the pressure valve”
- Preliminary tests
- ‘Calibrating the discharge valve”
- ‘Calibrating the pressure valve”
- Diagnostics
- Check Left Draft Sender
- Check Left Draft Sender
- BCU 303251.03 - Left Draft Sender, Signal Voltage Too High During Calibration
- BCU 303251.04 - Left Draft Sender, Signal Voltage Too Low During Calibration
- Diagnostics
- Check Right Draft Sender or Draft Potentiometer
- Check Right Draft Sender or Draft Potentiometer
- BCU 303252.03 - Right Draft Sender, Signal Voltage Too High During Calibration
- BCU 303252.04 - Right Draft Sender, Signal Voltage Too Low During Calibration
- BCU 303255.03 - Position Sender, Signal Voltage Too High During Calibration
- BCU 303255.04 - Position Sender, Signal Voltage Too Low During Calibration
- BCU 303260.16 - Stepper Motor Raising Deadband Above Valid Range During Calibration
- BCU 303260.18 - Stepper Motor Raising Deadband Below Valid Range During Calibration
- BCU 303261.16 - Stepper Motor Lowering Deadband Above Valid Range During Calibration
- BCU 303261.18 - Stepper Motor Lowering Deadband Below Valid Range During Calibration
- Section 212 - OBSERVABLE SYMPTOMS
- Group 40 - Electrical System
- Diagnosis of observable symptoms
- Preliminary tests
- Checking the power supply and control unit connection
- Check the connection of Basic Control Unit (BCU) (Cab Harness)
- Preliminary tests
- Checking the power supply and control unit connection
- Check the connection of Basic Control Unit (BCU) (Cab Harness)
- Diagnosis of observable symptoms
- Preliminary tests
- Access not possible via the service plug
- Preliminary tests
- Access not possible via the service plug
- Diagnosis of observable symptoms
- Preliminary tests
- 4.2 - Check power supply to service plug X571
- Preliminary tests
- 4.2 - Check power supply to service plug X571
- Diagnostics
- Accessing diagnostic trouble codes
- Checking that the battery functions properly
- Accessing diagnostic trouble codes
- Checking that the battery functions properly
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the starter motor circuit
- Checking the components of the neutral start switch
- Checking the starter motor circuit
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the starter motor circuit
- Checking the components of the neutral start switch
- Checking the starter motor circuit
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the horn circuit
- Checking the positive lead and ground lead of the horn circuit
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the horn circuit
- Checking the positive lead and ground lead of the horn circuit
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the windshield wiper circuit
- Checking the windshield wiper circuit
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the windshield wiper circuit
- Checking the windshield wiper circuit
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the windshield washer circuit
- Checking the windshield washer circuit
- Accessing diagnostic trouble codes
- Preliminary tests
- Checking the components of the windshield washer circuit
- Checking the windshield washer circuit
- Group 50 - SyncroPlus Transmission
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary transmission test
- Executing an operational check
- Transmission—Doing the system checks
- Accessing diagnostic trouble codes
- Preliminary transmission test
- Executing an operational check
- Transmission—Doing the system checks
- Group 55 - PowrQuad Transmissions
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary transmission test
- Operational checkout
- Transmission—Doing the system checks
- Accessing diagnostic trouble codes
- Preliminary transmission test
- Operational checkout
- Transmission—Doing the system checks
- Group 56 - Drive Systems
- Diagnosis for PTO slippage (when operating under load)
- Accessing diagnostic trouble codes
- Checking PTO switch
- Checking the PTO solenoid
- Checking PTO hydraulic system
- Checking the PTO for signs of mechanical damage
- Checking the amperage at the PTO solenoid valve
- Checking PTO hydraulic system
- Causes for PTO slippage (when operating under load)
- Accessing diagnostic trouble codes
- Checking PTO switch
- Checking the PTO solenoid
- Checking PTO hydraulic system
- Checking the PTO for signs of mechanical damage
- Checking the amperage at the PTO solenoid valve
- Checking PTO hydraulic system
- Causes for PTO slippage (when operating under load)
- Group 60 - Steering and Brakes
- Diagnostic
- Accessing diagnostic trouble codes
- Operational checkout
- Checking the brake system
- Accessing diagnostic trouble codes
- Operational checkout
- Checking the brake system
- Diagnostics
- Accessing diagnostic trouble codes
- Operational checkout
- Checking the steering system
- Check hydraulic system
- Accessing diagnostic trouble codes
- Operational checkout
- Checking the steering system
- Check hydraulic system
- Group 70 - Hydraulic System
- Diagnostics
- Accessing diagnostic trouble codes
- Preliminary hydraulic system test
- Operational checkout
- Checking the pressure and discharge valves
- Checking stepper motor and rockshaft valve
- Check hydraulic system
- Accessing diagnostic trouble codes
- Preliminary hydraulic system test
- Operational checkout
- Checking the pressure and discharge valves
- Checking stepper motor and rockshaft valve
- Check hydraulic system
- Diagnostics
- Accessing diagnostic trouble codes
- Checking the settings of the remote control switch at the BCU
- Checking the pressure and discharge valves
- Accessing diagnostic trouble codes
- Checking the settings of the remote control switch at the BCU
- Checking the pressure and discharge valves
- Group 90 - Operator′s Cab
- Diagnostics
- Accessing diagnostic trouble codes
- Operational check and visual check
- Checking the air-conditioning system
- Accessing diagnostic trouble codes
- Operational check and visual check
- Checking the air-conditioning system
- Section 213 - SYSTEM DIAGNOSIS
- Group 45 - Electronics
- Circuit test
- Check the 29-bit CAN BUS voltage
- Checking the CAN-BUS carrier voltage
- Isolate the defective circuit
- Check communication lines 934 and 935
- Check the 29-bit CAN BUS voltage
- Checking the CAN-BUS carrier voltage
- Isolate the defective circuit
- Check communication lines 934 and 935
- Section 220 - ENGINE
- Group 10 - Operational Checks
- Safety
- Preliminary Engine Testing
- Group 15 - Tests and Adjustments
- Dynamometer test
- Section 230 - FUEL, AIR INTAKE AND COOLING SYSTEMS
- Group 15 - Tests and Adjustments
- Tests & Adjustments—Summary of References
- Safety Information
- Explanation Of Checks
- Safety
- Special Tools
- Specification
- Testing Air Intake System
- Checking the Cooling System for Leaks
- Testing Temperature at Which the Thermostat Opens
- Hand Throttle Lever and Accelerator Pedal Adjustment
- Accelerator Pedal Adjustment
- Group 20 - Operational Theory
- Component Description - Summary of References
- Fuel System - Description
- Air Intake System - Theory of Operation
- Automatic Drive Belt Tensioner - Theory of Operation
- Section 240 - ELECTRICAL SYSTEM - CAB TRACTORS
- Group 05 - Fuse Box
- Theory of Operation
- Electrical Diagram
- Group 05A - Starting and Charging Circuit
- Theory of Operation
- Electrical Diagram
- Group 05B - Panel Warning Lights
- Theory of Operation
- Electrical Diagram
- Group 05C - Lights and Tail Lights
- Theory of Operation
- Electrical Diagram
- Group 05D - Work Lights
- Theory of Operation
- Electrical Diagram
- Group 05E - Radio, Dome Light, Console Light and Beacon Light
- Theory of Operation
- Electrical Diagram
- Group 05F - Horn and Accessories Socket
- Theory of Operation
- Electrical Diagram
- Group 05G - Fan and A/C
- Theory of Operation
- Electrical Diagram
- Group 05H - Reverse Light and Backup Alarm
- Theory of Operation
- Electrical Diagram
- Group 05I - Front Windshield Wiper and Washer
- Theory of Operation
- Electrical Diagram
- Group 05J - Rear Windshield Wiper and Washer
- Theory of Operation
- Electrical Diagram
- Group 05K - Trailer Connector
- Theory of Operation
- Electrical Diagram
- Group 05L - BCU - Turn Signal and Hazard Warning Lights
- Theory of Operation
- Electrical Diagram
- Group 05M - BCU - Electronic Hitch-Control - 6415/6615
- Theory of Operation
- Electrical Diagram
- Group 05N - BCU - Electronic Hitch-Control - 7515
- Theory of Operation
- Electrical Diagram
- Group 05O - BCU - Brakes
- Theory of Operation
- Electrical Diagram
- Group 05P - BCU - Service Connector
- Theory of Operation
- Electrical Diagram
- Group 05Q - BCU - PTO
- Theory of Operation
- Electrical Diagram
- Group 05R - BCU - Engine Speed Sensor
- Theory of Operation
- Electrical Diagram
- Group 05S - BCU - Front-Wheel Drive
- Theory of Operation
- Electrical Diagram
- Group 05T - BCU - Differential Lock
- Theory of Operation
- Electrical Diagram
- Group 10 - Component Tests
- Battery checks (G01)
- Voltage check at starter motor
- Operational check of starter motor
- Continuity check of solenoid switch and field winding
- Causes for low starter motor cranking speed
- Causes for starter motor not operating at all
- Check alternator output voltage
- Alternator Overcharging
- Battery-alternator circuit check
- Exciter circuit check:
- Alternator output voltage check:
- Causes for low alternator output:
- Alternator check results
- Battery (G01) inspection
- Check battery voltage
- Charge battery
- Check battery condition
- Voltage check at starter motor
- Operational check of starter motor
- Continuity check of solenoid switch and field winding
- Causes for low starter motor cranking speed
- Causes for starter motor not operating at all
- Check alternator output voltage
- Alternator Overcharging
- Battery-alternator circuit check
- Exciter circuit check:
- Alternator output voltage check:
- Causes for low alternator output:
- Alternator check results
- Battery (G01) inspection
- Check battery voltage
- Charge battery
- Check battery condition
- Component checks
- Air filter indicator light switch (B02)
- Fuel gauge sender (B03)
- Engine oil pressure sender (B04)
- Sender for the transmission oil filter sender (B07)
- Coolant temperature sender (B08)
- Transmission oil pressure sender (B31)
- Transmission oil temperature sender (B29)
- Injection pump shutoff valve (K24)
- Air filter indicator light switch (B02)
- Fuel gauge sender (B03)
- Engine oil pressure sender (B04)
- Sender for the transmission oil filter sender (B07)
- Coolant temperature sender (B08)
- Transmission oil pressure sender (B31)
- Transmission oil temperature sender (B29)
- Injection pump shutoff valve (K24)
- Component checks
- Horn (H01)
- Horn switch (S04)
- Horn (H01)
- Horn switch (S04)
- Component checks
- Relays for full-beam headlights, low-beam headlights and work lights (K103, K106 and K110)
- Diode for dipped- and full-beam headlights (K108)
- Light switch (S09)
- Switch for low-beam and driving light (S10)
- Switch for tractor-mounted work lights (S09)
- Relays for full-beam headlights, low-beam headlights and work lights (K103, K106 and K110)
- Diode for dipped- and full-beam headlights (K108)
- Light switch (S09)
- Switch for low-beam and driving light (S10)
- Switch for tractor-mounted work lights (S09)
- Component Tests
- Work lights Relay (K110)
- Switch for Front and Rear Cab Roof Work lights (S92/2)
- Work lights Relay (K110)
- Switch for Front and Rear Cab Roof Work lights (S92/2)
- Component tests
- Dome light switch (S35)
- Dome light switch (S35)
- Component tests
- Thermostat switch (B14)
- Pressure switch (B15)
- Fan and air conditioner relay (K104 and K107)
- Fan motors (M07, M10)
- Compressor Clutch (M02)
- Resistor for fan motors (R03)
- Fan switch (S14)
- Compressor switch (S93)
- Thermostat switch (B14)
- Pressure switch (B15)
- Fan and air conditioner relay (K104 and K107)
- Fan motors (M07, M10)
- Compressor Clutch (M02)
- Resistor for fan motors (R03)
- Fan switch (S14)
- Compressor switch (S93)
- Component checks
- Window wiper motor (M03)
- Windshield wiper switch (S15)
- Windshield washer switch (S15)
- Window wiper motor (M03)
- Windshield wiper switch (S15)
- Windshield washer switch (S15)
- Component checks
- Beacon light switch (S36)
- Beacon light switch (S36)
- Component checks
- Stepper motor (M08)
- Rapid raise switch (S24)
- Rapid raise switch (S24)
- Remote-control switch of the rockshaft control (S68)
- Stepper motor (M08)
- Rapid raise switch (S24)
- Rapid raise switch (S24)
- Remote-control switch of the rockshaft control (S68)
- Component checks
- PTO switch (S21)
- PTO Solenoid (Y04)
- PTO switch (S21)
- PTO Solenoid (Y04)
- Component checks
- FWD switch (S63)
- FWD solenoid (Y03)
- FWD switch (S63)
- FWD solenoid (Y03)
- Component checks
- Differential lock switch (S22)
- Differential lock solenoid (Y05)
- Differential lock switch (S22)
- Differential lock solenoid (Y05)
- Component Tests
- Hazard Warning Light Switch (S62)
- Turn Signal Switch (S08)
- Hazard Warning Light Switch (S62)
- Turn Signal Switch (S08)
- Component checks
- Brake switch (B88)
- Brake switch (B88)
- Group 15 - Connectors
- A01 - Fuse and relay box
- A02 - Fuse Box 2
- A03 - Feedback unit
- A08 - Dome Light
- A29 - Pneumatic operator′s seat and rear wiper
- A60 - Radio
- B01 - Engine speed sensor
- B02 - Sender for air cleaner restriction warning light
- B03 - Fuel gauge sensor unit
- B04 - Sender for engine oil pressure indicator light
- B07 - Transmission oil filter pressure sensor
- B08 - Coolant temperature sensor
- B14 - Compressor and thermostat switch
- B15 - Air conditioning system pressure switch
- B19 - R.h. draft sensor - 6415/6615
- B20 - L.h. draft sensor - 6415/6615
- B21 - Hitch-control position sensor
- B27 - Sensitivity potentiometer
- B29 - Transmission oil temperature sensor
- B30 - Hydrostatic oil temperature sensor
- B31 - Transmission oil pressure sender
- B36 - Neutral start switch
- B41 - Draft potentiometer - 7515
- B48 - Backup alarm switch
- B88 - Brake switch
- E01 - Right-hand front light
- E02 - Left-hand front light
- E09-R - Right-hand front working light
- E09-L - Left-hand front working light
- E10-R - Right-hand front working light - option
- E10-L - Left-hand front working light - option
- E11-1 - Right-hand rear working light
- E11-2 - Left-hand rear working light
- E12-2 - Console light
- E15-R - Right-hand front working light - option
- E15-L - Left-hand front working light - option
- E27 - Beacon light
- F13 - Main fuse
- F14 - Main fuse
- G01 - Battery
- G02 - Alternator
- H01 - Horn
- H34 - Front left-hand turn signal light
- H42 - Front right-hand turn signal light
- K01 - Starter relay
- K24 - Injection pump shut-off valve
- K28 - Backup alarm
- M01 - Starter motor
- M02 - Air conditioning compressor
- M03 - Wiper motor
- M04 - Wiper motor
- M05 - Windshield washer pump
- M06 - Windshield washer pump
- M07 - Fan motor
- M08 - Hitch-control stepper motor
- M10 - Fan motor
- P24-1 - Instrument panel
- P24-2 - Instrument panel
- P24-3 - Instrument panel
- R03 - Resistors
- S01 - Starter switch
- S04 - Horn switch
- S08 - Turn signal switch
- S09 - Light switch
- S10 - Full/low beam light switch
- S14 - Fan switch
- S15 - Windshield wiper switch
- S18 - Rear wiper switch
- S20 - Windshield switch
- S21 - PTO switch
- S22 - Differential lock switch
- S36 - Beacon light switch
- S42 - Light switch
- S59 - Front lights switch
- S62 - Hazard warning lights switch
- S63 - Front-wheel drive switch
- S68 - External hitch-control switch
- S92-1 - Front work lights switch - option
- S92-2 - Rear work lights switch
- S105 - Tail lights switch - optional
- W25 - Radio antenna
- X05 - Trailer connector
- X37 - Accessories socket
- X37 - Connector (W05 and W08)
- X40 - Connector (W22 and W23)
- X42 - Connector (W21 and W22)
- X67 - Connector (W05 and W06)
- X106 - Tail, brake and turn signal lights (right-hand)
- X107 - Tail, brake and turn signal lights (left-hand)
- X182 - Connector (W08 and W26)
- X234 - Connector (W30 and W31)
- X400 - Connector (W08 and W19)
- X411 - Connector (W02 and W04)
- X430 - Connector (W30 and W31) - 6415/6615
- X430 - Connector (W30 and W31) - 7515
- X430 - Connector (W08 and W30) - Without Hitch
- X431 - Connector (W08 and W28)
- X450 - Connector (W02 and W08)
- X473 - Connector (W01 and W08)
- X504 - Connector (W08 and W09)
- X505 - Connector (W08 and W09)
- X547 - Connector (W02 and W03)
- X571 - Service connector (CAN Bus)
- X612 - Speaker connector
- X616-1 Basic control unit (BCU)
- X616-2 Basic control unit (BCU)
- X616-3 Basic control unit (BCU)
- XGND1 - Cab ground wire
- XGND2 - Cab ground wire
- XGND6 - Rear wiper ground wire
- XGND9 - Engine grounding
- XGND10 - Cab roof ground wire
- XGND58 - Fan and A/C wiring harness grounding
- Y03 - Front-wheel drive solenoid valve
- Y04 - PTO Solenoid
- Y05 - Differential lock solenoid valve
- Section 241 - ELECTRICAL SYSTEM - OPEN OPERATOR′S STATION
- Group 05 - Fuse Box
- Theory of Operation
- Electrical Diagram
- Group 05A - Starting and Charging Circuit
- Theory of Operation
- Electrical Diagram
- Group 05B - Panel Warning Lights
- Theory of Operation
- Electrical Diagram
- Group 05C - Lights and Tail Lights
- Theory of Operation
- Electrical Diagram
- Group 05D - Work Lights
- Theory of Operation
- Electrical Diagram
- Group 05E - Horn
- Theory of Operation
- Electrical Diagram
- Group 05F - Reverse Light and Backup Alarm
- Theory of Operation
- Electrical Diagram
- Group 05G - Trailer Connector
- Theory of Operation
- Electrical Diagram
- Group 05H - BCU - Turn Signal and Hazard Warning Lights
- Theory of Operation
- Electrical Diagram
- Group 05I - BCU - Electronic Hitch-Control - 6415/6615
- Theory of Operation
- Electrical Diagram
- Group 05J - BCU - Electronic Hitch-Control - 7515
- Theory of Operation
- Electrical Diagram
- Group 05K - BCU - Brakes
- Theory of Operation
- Electrical Diagram
- Group 05L - BCU - Service Connector
- Theory of Operation
- Electrical Diagram
- Group 05M - BCU - PTO
- Theory of Operation
- Electrical Diagram
- Group 05N - BCU - Engine Speed Sensor
- Theory of Operation
- Electrical Diagram
- Group 05O - BCU - Front-Wheel Drive
- Theory of Operation
- Electrical Diagram
- Group 05P - BCU - Differential Lock
- Theory of Operation
- Electrical Diagram
- Group 10 - Component Tests
- Battery checks (G01)
- Voltage check at starter motor
- Operational check of starter motor
- Continuity check of solenoid switch and field winding
- Causes for low starter motor cranking speed
- Causes for starter motor not operating at all
- Check alternator output voltage
- Alternator Overcharging
- Battery-alternator circuit check
- Exciter circuit check:
- Alternator output voltage check:
- Causes for low alternator output:
- Alternator check results
- Battery (G01) inspection
- Check battery voltage
- Charge battery
- Check battery condition
- Voltage check at starter motor
- Operational check of starter motor
- Continuity check of solenoid switch and field winding
- Causes for low starter motor cranking speed
- Causes for starter motor not operating at all
- Check alternator output voltage
- Alternator Overcharging
- Battery-alternator circuit check
- Exciter circuit check:
- Alternator output voltage check:
- Causes for low alternator output:
- Alternator check results
- Battery (G01) inspection
- Check battery voltage
- Charge battery
- Check battery condition
- Component checks
- Air filter indicator light switch (B02)
- Fuel gauge sender (B03)
- Engine oil pressure sender (B04)
- Sender for the transmission oil filter sender (B07)
- Coolant temperature sender (B08)
- Transmission oil pressure sender (B31)
- Transmission oil temperature sender (B29)
- Injection pump shutoff valve (K24)
- Air filter indicator light switch (B02)
- Fuel gauge sender (B03)
- Engine oil pressure sender (B04)
- Sender for the transmission oil filter sender (B07)
- Coolant temperature sender (B08)
- Transmission oil pressure sender (B31)
- Transmission oil temperature sender (B29)
- Injection pump shutoff valve (K24)
- Component checks
- Horn (H01)
- Horn switch (S04)
- Horn (H01)
- Horn switch (S04)
- Component checks
- Relays for full-beam headlights, low-beam headlights and work lights (K103, K106 and K110)
- Diode for dipped- and full-beam headlights (K108)
- Light switch (S09)
- Switch for low-beam and driving light (S10)
- Switch for tractor-mounted work lights (S09)
- Relays for full-beam headlights, low-beam headlights and work lights (K103, K106 and K110)
- Diode for dipped- and full-beam headlights (K108)
- Light switch (S09)
- Switch for low-beam and driving light (S10)
- Switch for tractor-mounted work lights (S09)
- Component Tests
- Work lights Relay (K110)
- Switch for Front and Rear Cab Roof Work lights (S92/2)
- Work lights Relay (K110)
- Switch for Front and Rear Cab Roof Work lights (S92/2)
- Component checks
- Stepper motor (M08)
- Rapid raise switch (S24)
- Rapid raise switch (S24)
- Remote-control switch of the rockshaft control (S68)
- Stepper motor (M08)
- Rapid raise switch (S24)
- Rapid raise switch (S24)
- Remote-control switch of the rockshaft control (S68)
- Component checks
- PTO switch (S21)
- PTO Solenoid (Y04)
- PTO switch (S21)
- PTO Solenoid (Y04)
- Component checks
- FWD switch (S63)
- FWD solenoid (Y03)
- FWD switch (S63)
- FWD solenoid (Y03)
- Component checks
- Differential lock switch (S22)
- Differential lock solenoid (Y05)
- Differential lock switch (S22)
- Differential lock solenoid (Y05)
- Component Tests
- Hazard Warning Light Switch (S62)
- Turn Signal Switch (S08)
- Hazard Warning Light Switch (S62)
- Turn Signal Switch (S08)
- Component checks
- Brake switch (B88)
- Brake switch (B88)
- Group 15 - Connectors
- A01 - Fuse and relay box
- A03 - Feedback unit
- B01 - Engine speed sensor
- B02 - Sender for air cleaner restriction warning light
- B03 - Fuel gauge sensor unit
- B04 - Sender for engine oil pressure indicator light
- B07 - Transmission oil filter pressure sensor
- B08 - Coolant temperature sensor
- B19 - R.h. draft sensor - 6415/6615
- B20 - L.h. draft sensor - 6415/6615
- B21 - Hitch-control position sensor
- B27 - Sensitivity potentiometer
- B29 - Transmission oil temperature sensor
- B30 - Hydrostatic oil temperature sensor
- B31 - Transmission oil pressure sender
- B36 - Neutral start switch
- B41 - Draft potentiometer - 7515
- B48 - Backup alarm switch
- B88 - Brake switch
- E01 - Right-hand front light
- E02 - Left-hand front light
- E09-R - Right-hand front working light
- E09-L - Left-hand front working light
- E11-1 - Right-hand rear working light
- E11-2 - Left-hand rear working light
- F13 - Main fuse
- F14 - Main fuse
- G01 - Battery
- G02 - Alternator
- H01 - Horn
- H34 - Front left-hand turn signal light
- H42 - Front right-hand turn signal light
- K01 - Starter relay
- K24 - Injection pump shut-off valve
- K28 - Backup alarm
- M01 - Starter motor
- M08 - Hitch-control stepper motor
- P24-1 - Instrument panel
- P24-2 - Instrument panel
- P24-3 - Instrument panel
- S01 - Starter switch
- S04 - Horn switch
- S08 - Turn signal switch
- S09 - Light switch
- S10 - Full/low beam light switch
- S21 - PTO switch
- S22 - Differential lock switch
- S42 - Light switch
- S59 - Front lights switch
- S62 - Hazard warning lights switch
- S63 - Front-wheel drive switch
- S68 - External hitch-control switch
- S92-2 - Rear work lights switch
- X05 - Trailer connector
- X21 - Connector (W07 and W08)
- X37 - Connector (W05 and W07)
- X67 - Connector (W05 and W06)
- X106 - Tail, brake and turn signal lights (right-hand)
- X107 - Tail, brake and turn signal lights (left-hand)
- X234 - Connector (W08 and W31)
- X286 - Connector (W08 and W28)
- X287 - Connector (W30 and W31) - 6415/6615
- X287 - Connector (W30 and W31) - 7515
- X287 - Connector (W08 and W30) - Without Hitch
- X288 - Connector (W02 and W08)
- X289 - Connector (W02 and W08)
- X411 - Connector (W02 and W04)
- X473 - Connector (W01 and W08)
- X504 - Connector (W08 and W09)
- X505 - Connector (W08 and W09)
- X547 - Connector (W02 and W03)
- X571 - Service connector (CAN Bus)
- X616-1 Basic control unit (BCU)
- X616-2 Basic control unit (BCU)
- X616-3 Basic control unit (BCU)
- X811-1 - Connector (W08 and W20)
- X811-2 - Connector (W08 and W19)
- XGND1 - Platform ground wire
- XGND2 - Platform ground wire
- XGND9 - Engine grounding
- XGND26 - Grounding point
- Y03 - Front-wheel drive solenoid valve
- Y04 - PTO Solenoid
- Y05 - Differential lock solenoid valve
- Section 245 - ELECTRONIC CONTROL UNITS
- Group 05 - Operation and General Information on Diagnostics
- Special Tools
- Dealer/service level
- Selecting the entry level
- Entering program mode via the performance monitor
- Entering program mode via the performance monitor
- Entering Program Mode by Using the Performance Monitor with Engine Running
- Selecting the entry level
- Entering program mode via the performance monitor
- Entering program mode via the performance monitor
- Entering Program Mode by Using the Performance Monitor with Engine Running
- Aborting or completing the program mode
- Accessing the ALL mode
- Entering the ALL mode
- Checking the individual control units
- No diagnostic trouble codes are stored (NONE)
- Diagnostic trouble codes are stored (CODE)
- Clearing the diagnostic trouble codes
- Exit the ALL mode
- Accessing a control unit
- Confirming the control unit
- Changing the control unit
- Accessing diagnostic trouble codes
- No diagnostic trouble codes are stored (NONE)
- Diagnostic trouble codes are stored (CODE)
- Clearing the diagnostic trouble codes
- Selecting the desired address
- Accessing addresses
- Accessing input addresses
- Accessing an input address
- Selecting information (data in figures)
- Aborting the program mode
- Completing the program mode
- Accessing the ALL mode
- Entering the ALL mode
- Checking the individual control units
- No diagnostic trouble codes are stored (NONE)
- Diagnostic trouble codes are stored (CODE)
- Clearing the diagnostic trouble codes
- Exit the ALL mode
- Accessing a control unit
- Confirming the control unit
- Changing the control unit
- Accessing diagnostic trouble codes
- No diagnostic trouble codes are stored (NONE)
- Diagnostic trouble codes are stored (CODE)
- Clearing the diagnostic trouble codes
- Selecting the desired address
- Accessing addresses
- Accessing input addresses
- Accessing an input address
- Selecting information (data in figures)
- Aborting the program mode
- Completing the program mode
- Electronic Control Units — Summary of Addresses
- Group 20 - Data BUS Systems, Operation
- Data BUS systems — Summary of References
- Data BUS systems
- CAN BUS Systems
- CAN-BUS Systems on Cab and Open Operator′s Station Tractors
- CAN BUS Systems – Plug Layout
- Group BCU - BCU - Basic Control Unit
- BCU — Basic Control Unit — Summary of References
- Address BCU185 — Input address for volume of lift cylinder
- Address BCU101
- Address BCU118
- Preliminary work
- Accessing the input and calibration addresses
- Entering calibration mode; address BCU122.
- Checking hitch lift cylinder code
- Calibration of depth adjustment control
- Calibrating raise/lower control switch
- Calibration of position and draft sensor
- Calibration of lowering/raise valve
- End of calibration
- Address BCU138
- Address BCU145
- Address BCU154
- Address BCU162
- Address BCU165
- Address BCU167
- Address BCU174
- Address BCU185
- Address BCU101
- Address BCU118
- Preliminary work
- Accessing the input and calibration addresses
- Entering calibration mode; address BCU122.
- Checking hitch lift cylinder code
- Calibration of depth adjustment control
- Calibrating raise/lower control switch
- Calibration of position and draft sensor
- Calibration of lowering/raise valve
- End of calibration
- Address BCU138
- Address BCU145
- Address BCU154
- Address BCU162
- Address BCU165
- Address BCU167
- Address BCU174
- Address BCU185
- Test Procedure in the Case of Occasional BCU Circuit Problems
- Circuit/harness test for PTO switch
- Checking the combination of signals in diagnostic address BCU007
- Check the harness (shift console harness W10)
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU007
- Check the harness (shift console harness W10)
- Check the harness (cab harness W08)
- Circuit/harness test for front-wheel drive switch (S63)
- Checking the combination of signals in diagnostic address BCU06
- Check the harness
- Checking the combination of signals in diagnostic address BCU06
- Check the harness
- Circuit/harness test for differential lock switch (S22)
- Checking the combination of switch signals in diagnostic address BCU006
- Check the harness (cab harness W08)
- Checking the combination of switch signals in diagnostic address BCU006
- Check the harness (cab harness W08)
- Circuit/harness test for hazard warning light switch (S62) ECE
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Circuit/harness test for hazard warning light switch (S66)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Circuit/harness test for turn signal switch (S08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Circuit/harness test for engine speed sender (B01)
- Checking the combination of signals in diagnostic address BCU003
- Check engine speed sender (B01)
- Checking the combination of signals in diagnostic address BCU003
- Check engine speed sender (B01)
- Circuit/harness test for rockshaft control stepper motor (M08)
- Check the rockshaft control stepper motor (M08)
- Check the rockshaft control stepper motor (M08)
- Circuit/harness test for PTO switch
- Checking the combination of signals in diagnostic address BCU007
- Check the harness (open operator′s station W08)
- Checking the combination of signals in diagnostic address BCU007
- Check the harness (open operator′s station W08)
- Circuit/harness test for front-wheel drive switch (S63)
- Checking the combination of signals in diagnostic address BCU006
- Check the harness
- Checking the combination of signals in diagnostic address BCU006
- Check the harness
- Circuit/harness test for differential lock switch (S22)
- Checking the combination of signals in diagnostic address BCU006
- Check the harness (open operator′s station W08)
- Checking the combination of signals in diagnostic address BCU006
- Check the harness (open operator′s station W08)
- Circuit/harness test for turn signal switch (S08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (open operator′s station W08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (open operator′s station W08)
- Circuit/harness test for engine speed sender (B01)
- Checking the combination of signals in diagnostic address BCU003
- Check engine speed sender (B01)
- Checking the combination of signals in diagnostic address BCU003
- Check engine speed sender (B01)
- Circuit/harness test for sensitivity potentiometer
- Check the voltages at the potentiometer in diagnostic address BCU106
- Check the harness in diagnostic mode (open operator′s station harness W08)
- Check the voltages at the potentiometer in diagnostic address BCU106
- Check the harness in diagnostic mode (open operator′s station harness W08)
- Circuit/harness test for depth-setting potentiometer
- Check the voltages at the potentiometer in diagnostic address BCU107
- Check the harness (open operator′s station W08)
- Check the voltages at the potentiometer in diagnostic address BCU107
- Check the harness (open operator′s station W08)
- Circuit/harness test for position sensor
- Check the voltages at the potentiometer in diagnostic address BCU108
- Check the harness (W30 at rear end of transmission)
- Check the voltages at the potentiometer in diagnostic address BCU108
- Check the harness (W30 at rear end of transmission)
- Circuit/harness test for rate-of-drop potentiometer
- Check the voltages at the potentiometer in diagnostic address BCU110
- Check the harness (open operator′s station W08)
- Check the voltages at the potentiometer in diagnostic address BCU110
- Check the harness (open operator′s station W08)
- Circuit/harness test for raise-limit potentiometer
- Check the voltages at the potentiometer in diagnostic address BCU109
- Check the harness (open operator′s station W08)
- Check the voltages at the potentiometer in diagnostic address BCU109
- Check the harness (open operator′s station W08)
- Circuit/harness test, potentiometer for rapid-raise switch (S24)
- Check the voltages at the potentiometer in diagnostic address BCU103
- Check the harness (open operator′s station W08)
- Check the voltages at the potentiometer in diagnostic address BCU103
- Check the harness (open operator′s station W08)
- Harness/circuit test for PTO solenoid valve (Y04)
- Check solenoid coil Y04
- Check power supply for solenoid valve
- Check solenoid coil Y04
- Check power supply for solenoid valve
- Circuit/harness test for front-wheel drive solenoid valve (Y03)
- Check solenoid coil Y03
- Check power supply for solenoid valve
- Check solenoid coil Y03
- Check power supply for solenoid valve
- Circuit/harness test for differential lock solenoid valve (Y05)
- Solenoid coil (Y05) check
- Check power supply for solenoid valve
- Solenoid coil (Y05) check
- Check power supply for solenoid valve
- Circuit/harness test for the draft sensor
- Check signal voltage at diagnostic address BCU105
- Check the harness (W30 at rear end of transmission)
- Check the harness (open operator′s station)
- Check signal voltage at diagnostic address BCU105
- Check the harness (W30 at rear end of transmission)
- Check the harness (open operator′s station)
- Circuit/harness test for the draft sensor
- Check signal voltage at diagnostic address BCU104
- Check the harness (W30 at rear end of transmission)
- Check the harness (open operator′s station W08)
- Check signal voltage at diagnostic address BCU104
- Check the harness (W30 at rear end of transmission)
- Check the harness (open operator′s station W08)
- Circuit/harness test for left remote control switch
- Checking the combination of signals in diagnostic addresses BCU112 and 114
- Check the harness (open operator′s station W08)
- Checking the combination of signals in diagnostic addresses BCU112 and 114
- Check the harness (open operator′s station W08)
- Circuit/harness test for rockshaft control stepper motor (M08)
- Check the rockshaft control stepper motor (M08)
- Check the rockshaft control stepper motor (M08)
- Circuit/harness test for PTO switch
- Checking the combination of signals in diagnostic address BCU007
- Check the harness (cab harness W10)
- Checking the combination of signals in diagnostic address BCU007
- Check the harness (cab harness W10)
- Operational test on front-wheel drive switch (S63)
- Checking the combination of signals in diagnostic address BCU006
- Check the harness
- Checking the combination of signals in diagnostic address BCU006
- Check the harness
- Circuit test for differential lock switch (S22)
- Checking the combination of signals in diagnostic address BCU006
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU006
- Check the harness (cab harness W08)
- Circuit/harness test for differential lock switch (S22)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Circuit/harness test for turn signal switch (S08) - Cab tractors
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic address BCU010
- Check the harness (cowl harness W09)
- Check the harness (cab harness W08)
- Circuit/harness test for engine speed sender (B01)
- Checking the combination of signals in diagnostic address BCU003
- Check engine speed sender (B01)
- Checking the combination of signals in diagnostic address BCU003
- Check engine speed sender (B01)
- Circuit/harness test for sensitivity potentiometer - Cab tractors
- Check the voltages at the potentiometer in diagnostic address BCU106
- Check the harness in diagnostic mode (cab harness W08)
- Check the voltages at the potentiometer in diagnostic address BCU106
- Check the harness in diagnostic mode (cab harness W08)
- Circuit/harness test for depth-setting potentiometer - Cab tractors
- Check the voltages at the potentiometer in diagnostic address BCU107
- Check the harness (cab harness W08)
- Check the voltages at the potentiometer in diagnostic address BCU107
- Check the harness (cab harness W08)
- Circuit/harness test for position sensor (B21) - Cab tractors
- Check the voltages at the potentiometer in diagnostic address BCU108
- Check the harness (W30 at rear end of transmission)
- Check harness (cab harness)
- Check the voltages at the potentiometer in diagnostic address BCU108
- Check the harness (W30 at rear end of transmission)
- Check harness (cab harness)
- Circuit/harness test for rate-of-drop potentiometer. - Cab tractors
- Check the voltages at the potentiometer in diagnostic address BCU110
- Check the harness (cab harness W08)
- Check the voltages at the potentiometer in diagnostic address BCU110
- Check the harness (cab harness W08)
- Circuit/harness test for raise limit potentiometer (B27) - Cab tractors
- Check the voltages at the potentiometer in diagnostic address BCU109
- Check the harness (cab harness W08)
- Check the voltages at the potentiometer in diagnostic address BCU109
- Check the harness (cab harness W08)
- Operational test for rapid-raise switch potentiometer (S24)
- Check the voltages at the potentiometer in diagnostic address BCU103
- Check the harness (cab harness W08)
- Check the voltages at the potentiometer in diagnostic address BCU103
- Check the harness (cab harness W08)
- Harness/circuit test for PTO solenoid valve (Y04)
- Check solenoid coil Y04
- Check power supply for solenoid valve
- Check solenoid coil Y04
- Check power supply for solenoid valve
- Circuit/harness test for front-wheel drive solenoid valve (Y03)
- Check solenoid coil Y03
- Check power supply for solenoid valve
- Check solenoid coil Y03
- Check power supply for solenoid valve
- Circuit/harness test for differential lock solenoid valve (Y05)
- Solenoid coil (Y05) check
- Check power supply for solenoid valve
- Solenoid coil (Y05) check
- Check power supply for solenoid valve
- Circuit/harness test for the draft sensor
- Check signal voltage at diagnostic address BCU105
- Check the harness (W30 at rear end of transmission)
- Check harness (cab harness)
- Check signal voltage at diagnostic address BCU105
- Check the harness (W30 at rear end of transmission)
- Check harness (cab harness)
- Circuit/harness test for the draft sensor
- Check signal voltage at diagnostic address BCU104
- Check the harness (W30 at rear end of transmission)
- Check harness (cab harness)
- Check signal voltage at diagnostic address BCU104
- Check the harness (W30 at rear end of transmission)
- Check harness (cab harness)
- Circuit test for left remote control switch
- Checking the combination of signals in diagnostic addresses BCU112 and 114
- Check the harness (cab harness W08)
- Checking the combination of signals in diagnostic addresses BCU112 and 114
- Check the harness (cab harness W08)
- Circuit/harness test for rockshaft control stepper motor (M08)
- Check the rockshaft control stepper motor (M08)
- Check the rockshaft control stepper motor (M08)
- BCU — Theory of Operation (Basic Functions)
- Theory of Operation (Hitch Control)
- Section 250 - SYNCROPLUS TRANSMISSION
- Group 05 - Preliminary Checks
- Special Tools
- Digital Diagnostic Kit—DQ61642 Use KIT FKM10471 abroad
- Preliminary Checks
- General
- Checking the condition of the hydraulic oil
- Checking the tractor for external leaks with the engine shut off
- Checking the tractor for internal leaks or overheated oil with the engine running
- General
- Checking the condition of the hydraulic oil
- Checking the tractor for external leaks with the engine shut off
- Checking the tractor for internal leaks or overheated oil with the engine running
- Group 10 - Operational Check
- Operational Checks
- Checking the neutral start switch
- Perma Clutch II, separation check
- Perma Clutch II slippage check
- Perma Clutch II, slip phase check
- Checking the park lock
- Checking front-wheel drive
- Checking the differential lock
- PTO Check
- Transmission (test drive)
- Checking the neutral start switch
- Perma Clutch II, separation check
- Perma Clutch II slippage check
- Perma Clutch II, slip phase check
- Checking the park lock
- Checking front-wheel drive
- Checking the differential lock
- PTO Check
- Transmission (test drive)
- Group 15 - Tests and Adjustments
- System Check
- Preconditions for proper system checking procedure
- Checking transmission oil temperature
- Checking system pressure
- Check components dependent on system pressure
- Checking the filter relief valve
- Checking the engagement override valve and clutch pedal valve
- Check modulation of clutch pedal valve
- Checking the lube oil pressure
- Checking the cooling system
- Checking flow rate
- Cooler relief valve check
- Preconditions for proper system checking procedure
- Checking transmission oil temperature
- Checking system pressure
- Check components dependent on system pressure
- Checking the filter relief valve
- Checking the engagement override valve and clutch pedal valve
- Check modulation of clutch pedal valve
- Checking the lube oil pressure
- Checking the cooling system
- Checking flow rate
- Cooler relief valve check
- SyncroPlus Transmission—Checking System Pressure
- SyncroPlus Transmission—Adjusting System Pressure
- SyncroPlus Transmission—Checking Components Dependent on System Pressure
- SyncroPlus Transmission—Checking the Filter Relief Valve
- SyncroPlus Transmission—Checking the Engagement Override Valve and Clutch Pedal Valve
- SyncroPlus Transmission—Checking the Modulation of the Clutch Pedal Valve
- SyncroPlus Transmission—Checking Lube Oil Pressure
- SyncroPlus Transmission—Checking Cooling System
- SyncroPlus Transmission—Checking Flow Rate
- SyncroPlus Transmission—Checking the Cooler Relief Valve
- SyncroPlus Transmission—Checking the Transmission Oil Filter
- SyncroPlus Transmission—Layout of Test Ports and Sending Units
- SyncroPlus Transmission—Checking and Adjusting the Shift Units
- SyncroPlus Transmission—Adjusting the Park Lock
- SyncroPlus Transmission—Checking and Adjusting the Linkage on the Range Transmission
- SyncroPlus Transmission — Checking and Adjusting Shift Drive
- SyncroPlus Transmission—Checking and Adjusting the Neutral Start Switch
- SyncroPlus Transmission—Adjusting the Clutch Pedal
- Group 20 - Operation
- SyncroPlus Transmission — Summary of References
- SyncroPlus Transmission —Cross-sectional View
- SyncroPlus Transmission—Lubrication system
- SyncroPlus Transmission—Shifter Linkage
- SyncroPlus Transmission —Synchronization
- SyncroPlus Transmission—Operation of Transmission Oil Circuit (including Diagram)
- Clutch Components PermaClutch
- Transmission Hydraulic Circuit
- Transmission Oil Circuit
- Perma Clutch II Module—Exploded View
- Perma Clutch II Module—Cross-sectional View
- Clutch Activation
- Perma Clutch II Module—Power Flow
- Perma Clutch II Module—Transmission Oil Pump
- Perma Clutch II Module—Hydraulic Circuit Diagram
- Perma Clutch II Module—Description of Various Valves and Components
- Perma Clutch II Module—Operation of Pressure Regulating Valve and Filter Relief Valve
- Perma Clutch II Module—Operation of Clutch Pedal Valve and Engagement Override Valve
- Perma Clutch II Module—Operation of Cooling System
- Function of Centrifugal Valve and Suction Valve
- Description of Gear Shift—Cross-sectional View
- Description of Gear Shift—Power Flow
- Gear Shift— Neutral Start Switch
- Creeper Transmission— Cross-sectional View and Operation
- Creeper Transmission—Power Flow
- Section 255 - POWRQUAD TRANSMISSIONS
- Group 10 - Operational Check
- Special Tools
- Operational Checks
- Check the neutral start circuit
- Check if the vehicle′s clutch separates properly
- Check vehicle′s clutch for slippage
- Check slip phase of the vehicle′s clutch
- Checking the park lock
- Check neutral-to-gear modulation
- Checking forward/reverse modulation
- Gear-to-gear modulation check
- Checking front-wheel drive
- Checking the Differential Lock
- PTO Check
- Transmission (test drive)
- Check the neutral start circuit
- Check if the vehicle′s clutch separates properly
- Check vehicle′s clutch for slippage
- Check slip phase of the vehicle′s clutch
- Checking the park lock
- Check neutral-to-gear modulation
- Checking forward/reverse modulation
- Gear-to-gear modulation check
- Checking front-wheel drive
- Checking the Differential Lock
- PTO Check
- Transmission (test drive)
- Group 15 - Tests and Adjustments
- System check
- Preconditions for proper system checking procedure
- Checking transmission oil temperature
- Checking system pressure
- Check the components that are dependent on system pressure
- Check lube oil pressure
- Cooling oil pressure check (forward clutch)
- Cooling oil pressure check (reverse brake)
- Pressure at the forward clutch, check
- Pressure at reverse brake, check
- Pressure at B1 brake, check
- Pressure at B2 brake, check
- Pressure at B3 brake, check
- Pressure at C4 clutch, check
- Check rate of flow at cooler
- Check cooler relief valve
- Preconditions for proper system checking procedure
- Checking transmission oil temperature
- Checking system pressure
- Check the components that are dependent on system pressure
- Check lube oil pressure
- Cooling oil pressure check (forward clutch)
- Cooling oil pressure check (reverse brake)
- Pressure at the forward clutch, check
- Pressure at reverse brake, check
- Pressure at B1 brake, check
- Pressure at B2 brake, check
- Pressure at B3 brake, check
- Pressure at C4 clutch, check
- Check rate of flow at cooler
- Check cooler relief valve
- POWRQUAD transmission—Test Ports
- PowrQuad Transmission—Checking Rate of Flow at Cooler
- PowrQuad Transmission—Checking the Cooler Relief Valve
- PowrQuad Transmission—System Pressure Check
- PowrQuad Transmission—Checking Lube Oil Pressure
- PowrQuad Transmission—Checking Cooling Oil Pressure (Forward Clutch)
- PowrQuad Transmission—Checking Cooling Oil Pressure (Reverse Brake)
- PowrQuad Transmission—Checking Pressure at Forward Clutch
- PowrQuad Transmission—Checking Pressure at Reverse Brake
- PowrQuad Transmission—Checking Pressure at Brake B1
- PowrQuad Transmission—Checking Pressure at Brake B2
- PowrQuad Transmission—Checking Pressure at Brake B3
- PowrQuad Transmission—Checking Pressure at Clutch C4
- PowrQuad Transmission—Adjusting System Pressure
- PowrQuad Transmission—Test Result Table
- Adjusting Gear Shift
- Adjusting Forward/Reverse Cable
- Adjusting Park Lock
- Group 20 - Operation
- PowrQuad Transmissions — Summary of references
- PowrQuad Transmission—Layout
- PowrQuad Module—Layout
- PowrQuad Module—Cross-Sectional and 3D View
- PowrQuad Module—Location of Valves, Sensors and Switches
- PowrQuad Module—Element Engagement Chart
- PowrQuad Module—Pneumatic Pump
- PowrQuad Module—Transmission Oil Pump
- PowrQuad Module — Pressure-Regulating Valve and Filter Relief Valve
- PowrQuad Module—Overspeed Relief Valve and Anti-Cavitation Check Valve
- PowrQuad Module—Clutch Cooling Components
- PowrQuad Module —Clutch Cooling Valve (Forward/Reverse)
- PowrQuad Module—System 1 Oil and System 2 Oil
- PowrQuad Module—Hydraulic Schematic, Mechanically Actuated PowrQuad Module
- PowrQuad Module—Operation of Forward/Reverse Modulation, Mechanically Actuated PowrQuad Module
- PowrQuad Module—Neutral Start Circuit, Mechanically Actuated PowrQuad Module
- PowrQuad Module—Operation of Gear-to-Gear Modulation, Mechanically Actuated PowrQuad Module
- Group 30 - Range Box
- Range Transmission (6415 and 6615 Tractors), Cross-Sectional View
- Range Transmission (6415 and 6615 Tractors), Power Flows
- Range Transmission, Park Lock (6415 and 6615 Tractors)
- Range Transmission (7515 Tractors), — Cross-Sectional View
- Creeper Transmission (6415 and 6615 Tractors)—Operation
- Creeper Transmission (6415, 6615 and 7515 Tractors)—Power Flow
- Section 256 - DRIVE SYSTEMS
- Group 10 - Operational Check
- Special Tools
- Operational checkout
- Checking the preconditions for proper operation of the hydraulic system
- Checking front-wheel drive
- Checking the differential lock
- PTO Check
- Checking the preconditions for proper operation of the hydraulic system
- Checking front-wheel drive
- Checking the differential lock
- PTO Check
- Group 15 - Tests and Adjustments
- System check
- Checking the preconditions for proper operation of the hydraulic system
- Hydraulic oil temperature check
- Checking system pressure
- Checking pressure at the front-wheel drive clutch
- Checking pressure at the hydraulic differential lock
- Checking pressure at the PTO
- Checking the preconditions for proper operation of the hydraulic system
- Hydraulic oil temperature check
- Checking system pressure
- Checking pressure at the front-wheel drive clutch
- Checking pressure at the hydraulic differential lock
- Checking pressure at the PTO
- Checking Pressure at the Front-Wheel Drive Clutch
- Checking Pressure at the Hydraulic Differential Lock
- Checking Pressure at the PTO
- Drive Systems—Test Result Table
- Group 20 - Operation
- Drive Systems—Reference Summary
- Front Wheel Drive Clutch (6415 and 6615 Tractors)—Cross-Sectional View
- Front Wheel Drive Clutch (6415 and 6615 Tractors)—Oil Flow and Power Flow
- Front Wheel Drive Clutch (6415 and 6615 Tractors)—Cooling and Lubrication
- Front Wheel Drive Clutch (7515 Tractors)—Cross-Sectional View
- Front Wheel Drive Clutch (7515 Tractors)—Oil Flow and Power Flow
- Front Wheel Drive Clutch Disengaged (7515 Tractors)—Oil Flow
- Differential (6415 and 6615 Tractors)—Cross-Sectional View
- Differential (7515 Tractors)—Cross-Sectional View
- Differential—Power Flows
- Differential—Oil Flows
- Final Drives (6415 and 6615 Tractors)—Cross-Sectional View
- Final Drives (7515 Tractors)—Operation and Cross-Sectional View
- PTO Options—Description
- PTO Options—PTO Modulating Valve and Solenoid Valve
- PTO Options—PTO brake and PTO clutch
- PTO Options—Power Flows
- Section 260 - STEERING AND BRAKES
- Group 05 - Preliminary Checks
- Tests & Adjustments—Summary of References
- Preliminary Check
- Ask the operator
- Maintenance report check
- Mechanical failures
- Condition of hydraulic oil
- External oil leaks
- Unusual noises
- Ask the operator
- Maintenance report check
- Mechanical failures
- Condition of hydraulic oil
- External oil leaks
- Unusual noises
- Preliminary Checks – Brake System
- Group 10 - Operational Check
- Operational Checkout (Summary of References)
- Safety Information
- Check Steering
- Checking Brakes
- Group 15 - Tests and Adjustments
- Tests & Adjustments—Summary of References
- Special Tools
- Flow Meter Kit—DQ63621
- DQ61642—Pressure, Temperature, Engine Speed and Flow Gauges Kit Use KIT FKM10471 for export
- Specification
- Checking Steering Valve
- Checking Brake System
- Bleeding the Rear Brakes
- Adjusting Brake Pedals and Switches
- Group 20 - Operation
- Operation —Summary of References
- Description of Steering Valves, Operation
- Operation of Brake Piston, Plate and Disks
- Brake released
- Initial Braking
- Brake Engaged
- Rear Wheel Brakes, Operation
- Section 270 - HYDRAULIC SYSTEM
- Group 10 - Operational Check
- Special Tools
- Checking Hydraulic System Load
- Hitch Control – Operational Check
- External Control of Hitch – Operational Check
- Selective Control Valves – Operational Check
- Group 15 - Tests and Adjustments
- Tests and Adjustments — Summary of References
- Safety Measures for Hydraulic Checks
- Warming Hydraulic System Oil
- Hydraulic System — Oil Pressure Test Ports
- System Check
- Checking the diagnostic trouble codes
- Checking the preconditions for proper operation of the hydraulic system
- Checking the temperature of the hydraulic oil
- Check hydraulic pump inlet pressure
- Cavitation test (check delivery rate of charge pump)
- System Pressure Check
- Checking the LS (Load-Sensing) pressure
- Priority valve differential pressure check
- Steering pressure check (primary circuit)
- Checking the diagnostic trouble codes
- Checking the preconditions for proper operation of the hydraulic system
- Checking the temperature of the hydraulic oil
- Check hydraulic pump inlet pressure
- Cavitation test (check delivery rate of charge pump)
- System Pressure Check
- Checking the LS (Load-Sensing) pressure
- Priority valve differential pressure check
- Steering pressure check (primary circuit)
- PFC Hydraulic System — Test Result Table
- System Check
- Checking the diagnostic trouble codes
- Checking the preconditions for proper operation of the hydraulic system
- Hydraulic Oil Temperature Check
- System Pressure Check
- Steering Pressure Check (Primary Circuit)
- Checking the LS (Load-Sensing) pressure
- Check lube oil pressure at oil filter head
- Check PTO lube oil pressure
- Checking the diagnostic trouble codes
- Checking the preconditions for proper operation of the hydraulic system
- Hydraulic Oil Temperature Check
- System Pressure Check
- Steering Pressure Check (Primary Circuit)
- Checking the LS (Load-Sensing) pressure
- Check lube oil pressure at oil filter head
- Check PTO lube oil pressure
- PC Hydraulic System — Test Result Table
- Charge Pump — Checking Lube Oil Pressure
- Charge Pump — Checking Flow Rate
- Hydraulic Pump — Testing and Adjusting the System Pressure (PFC Hydraulic System)
- Charge Pump — Checking Flow Rate (PFC Hydraulic System)
- Hydraulic Pump — Checking the Delivery Rate (PC Hydraulic System)
- Hydraulic Pump — Pressure-and-flow Regulator Check
- Checking the Pressure Differential Dynamically (PFC Hydraulic System Only)
- Checking the LS (Load-Sense) Pressure
- Selective Control Valves — Check for Leaks at Valve Spools (PFC Hydraulic System Only)
- Selective Control Valves (SCV) — Checking for Leaks in Couplers
- 300 and 301 Series Selective Control Valves—Adjust Detent Kickout Relief Valve Parts
- Selective Control Valves—Adjusting Left Endplate With Additional LS Port For External Consumers
- Selective Control Valves —Adjusting Right Endplate With Additional Ports For External Consumers
- Checking Stepper Motor and Rockshaft Valve
- Rockshaft Valve — Checking for Leaks
- Rockshaft Valve — Checking the Pressure-Relief Valve
- Rockshaft Valve — Checking Depth to Which Pressure and Discharge Valves are Screwed In
- Rockshaft Valve — Checking the Position Sensor
- Rockshaft—Testing and Adjusting the Draft Sensors (6415 and 6615)
- Rockshaft — Testing and Adjusting the Draft Potentiometer (7515)
- Adjusting the Power Beyond Valve
- Group 20 - Operation
- PFC Hydraulic System — Summary of References
- PC Hydraulic System — Summary of References
- PFC Hydraulic System — Description
- PFC Hydraulic System — Operation
- PFC Hydraulic System — Symbolic Representation
- PFC Hydraulic System — Schematic View
- PFC Hydraulic System — Three-Dimensional View
- PC Hydraulic System — Description
- PC Hydraulic System — Operation
- PC Hydraulic System — Symbolic Representation
- PC Hydraulic System — Schematic View
- PC Hydraulic System — Three-Dimensional View
- PFC Hydraulic System — Charge Pump, Description and Operation
- PFC Hydraulic System — Hydraulic Pump Description
- PFC Hydraulic System — Oil Lines of Hydraulic Pump
- PFC Hydraulic System — Hydraulic Pump Operation
- PFC Hydraulic System — Hydraulic Pump Operating Modes
- Hydraulic Pump Description′
- PC Hydraulic System — Oil Lines of Hydraulic Pump
- PC Hydraulic System — Hydraulic Pump Operation
- Primary Hydraulic Oil Filter — Description
- Hydraulic System — Description of Hydraulic Oil Filter
- PC Hydraulic System — Lube Priority Valve Pump Description
- PFC Hydraulic System — Description and Arrangement of Shuttle Valves
- PFC Hydraulic System — Operation of Shuttle Valves
- PC Hydraulic System — Description and Arrangement of Shuttle Valves
- PFC Hydraulic System — Description of Main Block with Priority Valve
- PFC Hydraulic System — Operation of Priority Valve in Main Block
- PC Hydraulic System — Description of Main Block with Priority Valve and By-Pass Valve
- PC Hydraulic System — Operation of Priority Valve and By-Pass Valve
- Power Beyond Valve — Operacao
- Rockshaft — Description
- Rockshaft — Operation of Rockshaft Control
- Rockshaft — Operation of Rockshaft Valve
- Rockshaft — Operation of Position Sensor
- Rockshaft — Operation of Position Sensor
- Rockshaft — Description of Controls
- Rockshaft — Direct Drive
- 100 and 300 Series Selective Control Valves (Mechanically Actuated) — Description
- 100 Series Selective Control Valve (Mechanically Actuated) — Operation
- 300 Series Selective Control Valve (Mechanically Actuated) — Operation
- 101 and 301 Series Selective Control Valves — Description
- Couplers — Description
- Selective Control Valve End Plate — Summary
- Section 290 - OPERATOR′S CAB
- Group 15 - Tests and Adjustments
- Operational Checkout (Summary of References)
- Safety in the Workplace
- Handling Refrigerant
- Safety Equipment
- In the Event of an Emergency
- Storage of Refrigerant Containers
- Refrigerant R134a
- Important
- Special Tools
- Specification
- Air conditioning system, checks
- Visual check
- Preliminary checks
- Visual check at receiver-drier (only if the receiver-drier has a sight-glass)
- System pressure check (static)
- System pressure test (dynamic)
- Leak test
- Component checks
- Exclude improper operation
- Replenishing a partially empty system or correcting the refrigerant level (check only if the receiver-drier has a sight-glass)
- Visual check
- Preliminary checks
- Visual check at receiver-drier (only if the receiver-drier has a sight-glass)
- System pressure check (static)
- System pressure test (dynamic)
- Leak test
- Component checks
- Exclude improper operation
- Replenishing a partially empty system or correcting the refrigerant level (check only if the receiver-drier has a sight-glass)
- Pressure Deviations
- Group 20 - Operation
- Operation of Air Conditioning/Heating/Ventilation—Summary of References
- Principle of Heat Exchange
- Refrigerant R134a
- Refrigerant Circuit Layout (Cab Tractors)
- Refrigerant Circuit Operation
- Component Description
- Expansion Valve
- Thermostat Switch
- Heating and Ventilation
- Section 299 - SPECIAL TOOLS (DEALER-FABRICATED)
- Group 05 - Special Tools (Dealer-Fabricated)
- Special Tools (Dealer-Fabricated) — Summary
- Retainer Tool
- Adjustment Tool
- DFRW2—Needle Valve Test Hose Assembly
- DFLX10 and DFLX11—Test Harnesses
- DFLX12—Special Tool for 11-bit and 29-bit CAN BUS
- DFLX14—Solenoid Valve Test Harness

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