John Deere 326E Skid Steer Loader Diagnostic Operation Test Manual TM13090X19

Table of contents
FOREWORD
MANUAL IDENTIFICATION—READ THIS FIRST!
Section 9000 – GENERAL INFORMATION
Group 01 – Safety
Recognize Safety Information
Follow Safety Instructions
Operate Only If Qualified
Wear Protective Equipment
Avoid Unauthorized Machine Modifications
Inspect Machine
Stay Clear of Moving Parts
Avoid High-Pressure Fluids
Avoid High-Pressure Oils
Work In Ventilated Area
Prevent Fires
Prevent Battery Explosions
Handle Chemical Products Safely
Decommissioning: Proper Recycling and Disposal of Fluids and Components
Prepare for Emergencies
Clean Debris from Machine
Use Steps and Handholds Correctly
Start Only From Operator′s Seat
Use and Maintain Seat Belt
Prevent Unintended Machine Movement
Avoid Work Site Hazards
Keep Riders Off Machine
Avoid Backover Accidents
Avoid Machine Tip Over
Operating On Slopes
Operating or Traveling On Public Roads
Inspect and Maintain ROPS
Add and Operate Attachments Safely
Park and Prepare for Service Safely
Service Cooling System Safely
Remove Paint Before Welding or Heating
Make Welding Repairs Safely
Drive Metal Pins Safely
Handle Cab Door Safely
Section 9001 – DIAGNOSTIC TROUBLE CODES (DTCS)
Group 10 – Engine Control Unit (ECU) Diagnostic Trouble Codes
Engine Control Unit (ECU) Diagnostic Trouble Codes
Engine Speed Control Dial Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Harness Check
Short to Power Check
Wire Check
Engine Speed Control Dial Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
ECU Relay (K20) Does Not Open Diagnostic Procedure
Intermittent Check
Connector Check
ECU Relay Check
Short to Power Check
Short to Ground Check
Intermittent Check
Connector Check
ECU Relay Check
Short to Power Check
Short to Ground Check
Cold Start Device Driver Circuit Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Ground Check
Component Check
Intermittent Check
Connector Check
Short to Ground Check
Component Check
Cold Start Device Driver Circuit Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Open Circuit Check
Short to Power Check
Component Check
Intermittent Check
Connector Check
Open Circuit Check
Short to Power Check
Component Check
Air Heater Relay Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Harness Check
Intermittent Check
Connector Check
Component Check
Harness Check
Air Heater Relay Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Harness Check
Intermittent Check
Connector Check
Component Check
Harness Check
Group 20 – Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes
Engagement and Monitor Unit (EMU) Diagnostic Trouble Codes
Park Brake Release Input Erratic or Bad Data Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Continuity Check
Short Circuit Check
Short to Ground Check
Short to Power Check
Intermittent Check
Connector Check
Component Check
Continuity Check
Short Circuit Check
Short to Ground Check
Short to Power Check
Park Brake Release Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Fuel Level Sensor Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Short to Power Check
Intermittent Check
Connector Check
Component Check
Short to Power Check
Fuel Level Sensor Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
System Voltage Data Above Normal Diagnostic Procedure
Intermittent Check
Voltage Check
Alternator Check
Intermittent Check
Voltage Check
Alternator Check
System Voltage Data Below Normal Diagnostic Procedure
Intermittent Check
Fuse Check
Battery Voltage Check
Connector Check
Wire Harness Check
Intermittent Check
Fuse Check
Battery Voltage Check
Connector Check
Wire Harness Check
2-Speed Switch Input Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Mismatched Software Versions Diagnostic Procedure
Intermittent Check
Switched Power On/Off Check
Intermittent Check
Switched Power On/Off Check
Alarm Output Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Open Circuit Check
Short to Power Check
Intermittent Check
Connector Check
Open Circuit Check
Short to Power Check
Alarm Output Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Ground Check
Wire Harness Check
Intermittent Check
Connector Check
Short to Ground Check
Wire Harness Check
Anti Theft Unknown Fault Diagnostic Procedure
Intermittent Check
Connector Check
CAN Circuit Check
Intermittent Check
Connector Check
CAN Circuit Check
Seat Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Intermittent Check
Connector Check
Wire Harness Check
Component Check
No ECU Data on CAN Bus Abnormal Data Range Diagnostic Procedure
Intermittent Check
Connector Check
CAN Circuit Check
Intermittent Check
Connector Check
CAN Circuit Check
No SSM Data on CAN Bus Abnormal Data Range Diagnostic Procedure
Intermittent Check
Connector Check
CAN Circuit Check
Intermittent Check
Connector Check
CAN Circuit Check
No HCU Data on CAN Bus Abnormal Data Range Diagnostic Procedure
Intermittent Check
Connector Check
CAN Circuit Check
Intermittent Check
Connector Check
CAN Circuit Check
Cab Door Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Sensor Supply Voltage High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Sensor Supply Voltage Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Intermittent Check
Connector Check
Wire Harness Check
Switch Input Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Switch Input Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Park Brake Release Output Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short to Power Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short to Power Check
Park Brake Release Output Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Park Brake Release Input Erratic or Bad Data Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Short to Ground Check
Short to Power Check
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Short to Ground Check
Short to Power Check
Park Brake Release Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Fan Purge Switch Input Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Short to Power Check
Harness Check
Intermittent Check
Connector Check
Component Check
Short to Power Check
Harness Check
VSF Purge Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
VSF Purge Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Wire Harness Check
Creep Mode Switch Input High Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Resistor Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Component Check
Resistor Check
Short to Power Check
Wire Check
Creep Mode Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Resistor Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Resistor Check
Wire Harness Check
Creep Mode Switch Input Stuck in Active State Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Resistor Check
Short to Power Check
Short to Ground Check
Wire Harness Check
Intermittent Check
Connector Check
Component Check
Resistor Check
Short to Power Check
Short to Ground Check
Wire Harness Check
Lap Bar Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Hydraulic Valve Power 3 Out of Range High Diagnostic Procedure (Manual Control Machines)
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Propel Valve Power 2 to HCU Out of Range High Diagnostic Procedure (EH Control Only)
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Hydraulic Valve Power 3 Out of Range High Diagnostic Procedure (Manual Control Machines)
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Aux Hyd Channel 1 Input High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Aux Hyd Channel 1 Input Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Intermittent Check
Connector Check
Wire Harness Check
Aux Hyd Channel 2 Input High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Aux Hyd Channel 2 Input Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Intermittent Check
Connector Check
Wire Harness Check
Aux Hyd Channel 2 Input Device Fault Diagnostic Procedure
Intermittent Check
Code Check
Intermittent Check
Code Check
High Flow Switch Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Intermittent Check
Connector Check
Wire Harness Check
Component Check
Aux Hyd Extend Output Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Hydraulic Valve Power 1 Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short Circuit Check
Hydraulic Valve Power 1 Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Hydraulic Valve Power 1 Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short Circuit Check
Ride Control Accumulator Output Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Ride Control Accumulator Solenoid Output Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Ride Control Reservoir Solenoid Output Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Ride Control Reservoir Solenoid Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Remote Start Input Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Intermittent Check
Connector Check
Wire Harness Check
Checksum Error Unknown Fault Diagnostic Procedure
Intermittent Check
Intermittent Check
Group 30 – Hydraulic Control Unit (HCU) Diagnostic Trouble Codes
Hydraulic Control Unit (HCU) Diagnostic Trouble Codes
Cal Missing / or Incomplete Diagnostic Procedure
Intermittent Check
CAN Circuit Check
Intermittent Check
CAN Circuit Check
Left Speed Sensor Input Data Above Normal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Harness Check
Intermittent Check
Connector Check
Component Check
Harness Check
Left Speed Sensor Input Data Below Normal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Harness Check
Intermittent Check
Connector Check
Component Check
Harness Check
Left Speed Sensor Input Erratic or Bad Data Diagnostic Procedure
Intermittent Check
Connector Check
Sensor Install Check
Component Check
Harness Check
Intermittent Check
Connector Check
Sensor Install Check
Component Check
Harness Check
Left Speed Sensor Input Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Position Check
Harness Check
Intermittent Check
Connector Check
Component Check
Wire Position Check
Harness Check
Right Speed Sensor Input Data Above Normal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Harness Check
Intermittent Check
Connector Check
Component Check
Harness Check
Right Speed Sensor Input Data Below Normal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Harness Check
Intermittent Check
Connector Check
Component Check
Harness Check
Right Speed Sensor Input Erratic or Bad Data Diagnostic Procedure
Intermittent Check
Connector Check
Sensor Install Check
Component Check
Harness Check
Intermittent Check
Connector Check
Sensor Install Check
Component Check
Harness Check
Right Speed Sensor Input Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Wire Position Check
Harness Check
Intermittent Check
Connector Check
Component Check
Wire Position Check
Harness Check
Right Joystick CAN Data Abnormal Data Rate Diagnostic Procedure
Intermittent Check
Connector Check
CAN Circuit Check
Intermittent Check
Connector Check
CAN Circuit Check
Left Joystick CAN Data Abnormal Data Rate Diagnostic Procedure
Intermittent Check
Connector Check
CAN Circuit Check
Intermittent Check
Connector Check
CAN Circuit Check
Right Joystick X-Axis Mechanical Fault Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Joystick Y-Axis Mechanical Fault Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick X-Axis Mechanical Fault Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick Y-Axis Mechanical Fault Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Calibration Check
Component Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Calibration Check
Component Check
Short Circuit Check
Harness Check
Left Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Left Foot Pedal Diagnostic Procedure
Intermittent Check
Connector Check
Calibration Check
Component Check
Intermittent Check
Connector Check
Calibration Check
Component Check
Left Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Calibration Check
Component Check
Intermittent Check
Connector Check
Calibration Check
Component Check
Left Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Calibration Check
Component Check
Intermittent Check
Connector Check
Calibration Check
Component Check
Left Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Short Circuit Check
Component Check
Harness Check
Intermittent Check
Connector Check
Short Circuit Check
Component Check
Harness Check
Left Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Short Circuit Check
Harness Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Short Circuit Check
Harness Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Open Circuit Check
Short Circuit Check
Harness Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Calibration Check
Component Check
Intermittent Check
Connector Check
Calibration Check
Component Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Intermittent Check
Connector Check
Component Check
Right Pedal Signal Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Intermittent Check
Connector Check
Component Check
Bucket Curl Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Bucket Curl Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Bucket Curl Solenoid Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Bucket Dump Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Bucket Dump Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Bucket Dump Solenoid Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
522377.03 – Boom Sensor / Signal 1
522377.04 – Boom Sensor / Signal 1
522377.12 – Boom Sensor / Signal 1
522377.13 – Boom Sensor / Signal 1
523378.03 – Boom Sensor / Signal 2
523378.04 – Boom Sensor / Signal 2
522436.03 – Bucket Sensor / Signal 1
522436.04 – Bucket Sensor / Signal 1
522436.12 – Bucket Sensor / Signal 1
522436.13 – Bucket Sensor / Signal 1
522437.03 – Bucket Sensor / Signal 2
522437.04 – Bucket Sensor / Signal 2
Right Pump Fwd Sol Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Right Pump Fwd Sol Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Right Pump Fwd Sol Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Right Pump Rev Sol Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Right Pump Rev Sol Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Right Pump Rev Sol Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Left Pump Rev Sol Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Left Pump Rev Sol Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Left Pump Rev Sol Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Left Pump Fwd Sol Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Left Pump Fwd Sol Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Left Pump Fwd Sol Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Hydraulic Valve Power 3 to HCU Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Hydraulic Valve Power 3 to HCU Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
Propel Valve Power 2 to HCU Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Propel Valve Power 2 to HCU Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
Hydraulic Valve Power 1 to HCU Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Hydraulic Valve Power 1 to HCU Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
Boom Down Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Boom Down Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Boom Down Solenoid Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Boom Up Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Boom Up Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Boom Up Solenoid Current Moderately High Value Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Group 40 – Left Joystick Controller (JSL) Diagnostic Trouble Codes
Left Joystick Controller (JSL) Diagnostic Trouble Codes
Left Joystick X-Axis Out of Range High Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick X-Axis Out of Range Low Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick X-Axis Calibrate Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick X-Axis Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick Y-Axis Out of Range High Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick Y-Axis Out of Range Low Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Joystick Y-Axis Calibrate Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Left Y-Axis Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Group 50 – Right Joystick Controller (JSR) Diagnostic Trouble Codes
Right Joystick Controller (JSR) Diagnostic Trouble Codes
Right Joystick X-Axis Out of Range Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Joystick X-Axis Out of Range Low Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Joystick X-Axis Calibration Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Right X-Axis Sensor Redundancy Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Joystick Y-Axis Out of Range High Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Joystick Y-Axis Senor Voltage Low Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Joystick Y-Axis Calibration Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Right Y-Axis Sensor Redundancy Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Group 60 – Sealed Switch Module (SSM) Diagnostic Trouble Codes
Sealed Switch Module (SSM) Diagnostic Trouble Codes
Sealed Switch Module (SSM) Watchdog Time Out Diagnostic Procedure
Intermittent Check
Reset Controller
Program Controller
Intermittent Check
Reset Controller
Program Controller
Sealed Switch Module Lost Communications with VCU Diagnostic Procedure
Intermittent Check
Fuse Check
Connector Check
Voltage Check
Ground Check
Controller Area Network (CAN) Circuit Check
Program Vehicle Control Unit
Program Sealed Switch Module
Intermittent Check
Fuse Check
Connector Check
Voltage Check
Ground Check
Controller Area Network (CAN) Circuit Check
Program Vehicle Control Unit
Program Sealed Switch Module
Sealed Switch Module (SSM) Accessory Relay Signal Short to Ground Diagnostic Procedure
Intermittent Check
Connector Check
Component Check—Polarity Sensing Diode
Component Check—Accessory Relay
Short Circuit Check
Intermittent Check
Connector Check
Component Check—Polarity Sensing Diode
Component Check—Accessory Relay
Short Circuit Check
Sealed Switch Module (SSM) Accessory Relay Signal Open Circuit Diagnostic Procedure
Intermittent Check
Connector Check
Component Check—Polarity Sensing Diode
Component Check—Accessory Relay
Open Circuit Check
Intermittent Check
Connector Check
Component Check—Polarity Sensing Diode
Component Check—Accessory Relay
Open Circuit Check
Button 15 on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Button 14 on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Button 13 on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Creep Mode Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Ride Control Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Hydraulic Response Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Pattern Select Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Button 8 on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Transmission Response Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Button 6 on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Button 5 on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Park Brake Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Hydraulic Enable Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Engine Stop Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Engine Start Switch on Keypad Stuck Diagnostic Procedure
Intermittent Check
Reset Controller
Program Sealed Switch Module
Intermittent Check
Reset Controller
Program Sealed Switch Module
No LED Response Diagnostic Procedure
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Intermittent Check
Reset Controller
Controller Area Network (CAN) Circuit Check
Group 70 – Vehicle Control Unit (VCU) Diagnostic Trouble Codes
Vehicle Control Unit (VCU) Diagnostic Trouble Codes
Engine Speed Control Pedal Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Component Check
Harness Check
Intermittent Check
Connector Check
Short to Power Check
Component Check
Harness Check
Engine Speed Control Pedal Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Component Check
Intermittent Check
Connector Check
Harness Check
Component Check
Oil Pressure Switch Data Below Normal Diagnostic Procedure.
Intermittent Check
Engine Oil Pressure Check
Connector Check
Component Check
Short to Ground Check
Intermittent Check
Engine Oil Pressure Check
Connector Check
Component Check
Short to Ground Check
Switched Power Input Out of Range High Diagnostic Procedure
Intermittent Check
Voltage Check
Alternator Check
Intermittent Check
Voltage Check
Alternator Check
Switched Power Input Out of Range Low Diagnostic Procedure
Intermittent Check
Voltage Check
Wire Harness Check
Intermittent Check
Voltage Check
Wire Harness Check
Unswitched Power Input Out of Range High Diagnostic Procedure
Intermittent Check
Voltage Check
Alternator Check
Intermittent Check
Voltage Check
Alternator Check
Unswitched Power Input Out of Range Low Diagnostic Procedure
Intermittent Check
Voltage Check
Wire Harness Check
Intermittent Check
Voltage Check
Wire Harness Check
Hydraulic Reversing Fan Solenoid Current Out of Range Low Diagnostic Procedure (S.N. 269402— )
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Hydraulic Reversing Fan Solenoid Current Out of Range High Diagnostic Procedure (S.N. 269402— )
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Fan Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Intermittent Check
Connector Check
Short to Power Check
Wire Check
Solenoid Check
Fan Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Hydraulic Oil High Temperature Diagnostic Procedure
Intermittent Check
Oil Level and Type Check
Hydraulic Oil Cooler Check
Component Check
Intermittent Check
Oil Level and Type Check
Hydraulic Oil Cooler Check
Component Check
Hydraulic Oil Temperature Sensor Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Short Circuit Check
Harness Check
Hydraulic Oil Temperature Sensor Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
Hydraulic Oil Filter Restricted Diagnostic Procedure
Intermittent Check
Hydraulic System Return Filter Check
Component Check
Connector Check
Open Circuit Check
Intermittent Check
Hydraulic System Return Filter Check
Component Check
Connector Check
Open Circuit Check
Hydraulic Filter Restriction Switch Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Short Circuit Check
Harness Check
5 Volt Sensor Supply 4 Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Intermittent Check
Connector Check
Supply Voltage Check
5 Volt Sensor Supply 4 Short to Ground Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Intermittent Check
Connector Check
Supply Voltage Check
5 Volt Sensor Supply 1 Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Intermittent Check
Connector Check
Supply Voltage Check
5 Volt Sensor Supply 1 Short to Ground Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Intermittent Check
Connector Check
Supply Voltage Check
5 Volt Sensor Supply 2 Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Intermittent Check
Connector Check
Supply Voltage Check
5 Volt Sensor Supply 2 Short to Ground Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Intermittent Check
Connector Check
Supply Voltage Check
5-Volt Sensor Supply 3 Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Supply Voltage Check
Harness Check
Intermittent Check
Connector Check
Supply Voltage Check
Harness Check
5-Volt Sensor Supply 3 Short to Ground Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
Two Speed Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Two Speed Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Short to Power Check
Wire Check
Intermittent Check
Connector Check
Component Check
Short to Power Check
Wire Check
516249.04 – Controller Power Supply
Hydraulic Control Unit (HCU) Configuration Invalid Diagnostic Procedure
Intermittent Check
Controller Area Network (CAN) Circuit Check
Intermittent Check
Controller Area Network (CAN) Circuit Check
Hydraulic Control Unit (HCU) Configuration Invalid Diagnostic Procedure
Intermittent Check
Controller Area Network (CAN) Circuit Check
Intermittent Check
Controller Area Network (CAN) Circuit Check
Float Switch Input Out of Range High Diagnostic Procedure
Intermittent Check
Switch Check
Connector Check
Harness Check
Short to Power Check
Wire Check
Intermittent Check
Switch Check
Connector Check
Harness Check
Short to Power Check
Wire Check
Float Switch Short to Ground Diagnostic Procedure
Intermittent Check
Connector Check
Component Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Component Check
Short Circuit Check
Harness Check
Hydraulic Reversing Fan Solenoid Current Out of Range Low Diagnostic Procedure (S.N. 269402— )
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Hydraulic Reversing Fan Solenoid Current Out of Range Low Diagnostic Procedure (S.N. 269402— )
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Hydrostatic Bypass Solenoid Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Wire Harness Check
Short Circuit Check
Hydrostatic Bypass Solenoid Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short Circuit Check
Intermittent Check
Connector Check
Solenoid Check
Wire Harness Check
Short Circuit Check
High Flow Solenoid Current Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
High Flow Solenoid Current Out of Range High Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Intermittent Check
Connector Check
Harness Check
Solenoid Check
Hydrostatic Oil High Temperature Diagnostic Procedure
Intermittent Check
Oil Level and Type Check
Hydraulic Oil Cooler Check
Component Check
Intermittent Check
Oil Level and Type Check
Hydraulic Oil Cooler Check
Component Check
Hydrostatic Oil Temperature Sensor Short to Power Diagnostic Procedure
Intermittent Check
Connector Check
Short Circuit Check
Harness Check
Intermittent Check
Connector Check
Short Circuit Check
Harness Check
Hydrostatic Oil Temperature Sensor Out of Range Low Diagnostic Procedure
Intermittent Check
Connector Check
Harness Check
Intermittent Check
Connector Check
Harness Check
Checksum Error Diagnostic Procedure
Intermittent Check
Intermittent Check
Section 9005 – OPERATIONAL CHECKOUT PROCEDURE
Group 10 – Operational Checkout Procedure
Operational Checks—Switched Power ON, Engine ON Checks
Display and Clear Diagnostic Trouble Codes
Periodic Maintenance Decal Check
Cab Door and Window Seals Check (if equipped)
Seat Belt Check
Horn Circuit Check (if equipped)
Seat Control Checks
Engagement and Monitor Unit (EMU) Circuits Check
Battery Check
EMU Circuits Check
Lights Circuit Check
Dual Flasher Light Check (if equipped)
Windshield Wiper Circuit Check (if equipped)
Windshield Washer Circuit Check (if equipped)
Engine Start Check
Engine Idle Check
Engine Speed Check
Auto-Idle Circuit Check (if equipped)
Hydraulic Control Enable Check
Power Quik-Tatch™ Check (if equipped)
Backup Alarm Check (if equipped)
Steering Mistracking Check
Two Speed Check (if equipped)
Reversing Fan Check (if equipped)
Transmission Response Check (EH only, if equipped)
Pattern Select Check (EH only, if equipped)
Hydraulic Response Check (EH only, if equipped)
Ride Control Check (if equipped)
Creep Mode Check (EH only, if equipped)
Boom Down Drift Check
Boom Up Drift Check
Bucket Dump Drift Check
Bucket Curl Drift Check
Cycle Times Check—326E
Self Leveling Valve Check (if equipped)
Heating and Air Conditioning System Check (if equipped)
Display and Clear Diagnostic Trouble Codes
Periodic Maintenance Decal Check
Cab Door and Window Seals Check (if equipped)
Seat Belt Check
Horn Circuit Check (if equipped)
Seat Control Checks
Engagement and Monitor Unit (EMU) Circuits Check
Battery Check
EMU Circuits Check
Lights Circuit Check
Dual Flasher Light Check (if equipped)
Windshield Wiper Circuit Check (if equipped)
Windshield Washer Circuit Check (if equipped)
Engine Start Check
Engine Idle Check
Engine Speed Check
Auto-Idle Circuit Check (if equipped)
Hydraulic Control Enable Check
Power Quik-Tatch™ Check (if equipped)
Backup Alarm Check (if equipped)
Steering Mistracking Check
Two Speed Check (if equipped)
Reversing Fan Check (if equipped)
Transmission Response Check (EH only, if equipped)
Pattern Select Check (EH only, if equipped)
Hydraulic Response Check (EH only, if equipped)
Ride Control Check (if equipped)
Creep Mode Check (EH only, if equipped)
Boom Down Drift Check
Boom Up Drift Check
Bucket Dump Drift Check
Bucket Curl Drift Check
Cycle Times Check—326E
Self Leveling Valve Check (if equipped)
Heating and Air Conditioning System Check (if equipped)
Section 9010 – ENGINE
Group 05 – Theory of Operation
John Deere Engine
Engine Identification
Cold Start Operation
Group 15 – Diagnostic Information
John Deere Engine
Engine Cooling System Component Location
Engine Fuel System Component Location
Engine Intake and Exhaust Component Location
Engine Hard to Start or Does Not Start When Cold Diagnostic Procedure
Diagnostic Trouble Code Check
Engine Software Check
Cold Start Package Check
Engine Cranking Time Check
Pump Pressure Bypass Check—If Equipped
Diagnostic Trouble Code Check
Engine Software Check
Cold Start Package Check
Engine Cranking Time Check
Pump Pressure Bypass Check—If Equipped
Section 9015 – ELECTRICAL SYSTEM
Group 05 – System Information
Electrical Diagram Information
Electrical Schematic Symbols
Group 10 – System Diagrams
Fuse and Relay Specifications
System Functional Schematic, Wiring Diagram and Component Location Master Legend
System Functional Schematic
Rear Engine Harness (W1) Component Location
Rear Engine Harness (W1) Wiring Diagram
Cab Harness (W2) Component Location
Cab Harness (W2) Wiring Diagram
Main Harness (W3) Component Location
Main Harness (W3) Wiring Diagram
Dual Flasher Harness (W5) Component Location
Dual Flasher Harness (W5) Wiring Diagram
Radio Harness (W8) Component Location
Radio Harness (W8) Wiring Diagram
Hydraulic Valve Harness (W10) Component Location
Hydraulic Valve Harness (W10) Wiring Diagram
Attachment Control Frame Harness (W11) Component Location
Attachment Control Frame Harness (W11) Wiring Diagram
Attachment Control Boom Harness (W12) Component Location
Attachment Control Boom Harness (W12) Wiring Diagram
Quik-Tatch™ Frame Harness (W13) Component Location
Quik-Tatch™ Frame Harness (W13) Wiring Diagram
Quik-Tatch™ Boom Harness (W14) Component Location
Quik-Tatch™ Boom Harness (W14) Wiring Diagram
Quik-Tatch™ Actuator Harness (W15) Component Location
Quik-Tatch™ Actuator Harness (W15) Wiring Diagram
Heater and Air Conditioner Harness (W16) Component Location
Heater and Air Conditioner Harness (W16) Wiring Diagram
Hydrostatic Control Valve Harness (W17) Component Location
Hydrostatic Control Valve Harness (W17) Wiring Diagram
High/Low Pressure Switch and Heater Valve Motor Harness (W18) Component Location
High/Low Pressure Switch and Heater Valve Motor Harness (W18) Wiring Diagram
Creep Mode Speed Switch Harness (W19) Component Location
Creep Mode Speed Switch Harness (W19) Wiring Diagram
Left Pedal Sensor Harness (W23) Component Location
Left Pedal Sensor Harness (W23) Wiring Diagram
Right Pedal Sensor Harness (W24) Component Location
Right Pedal Sensor Harness (W24) Wiring Diagram
Hydrostatic Oil Temperature Sensor Harness (W25) Component Location
Hydrostatic Oil Temperature Sensor Harness (W25) Wiring Diagram
License Plate Light Harness (W26) Component Location
License Plate Light Harness (W26) Wiring Diagram
Joystick Jumper Harness (W27) Component Location
Joystick Jumper Harness (W27) Wiring Diagram
Two-Speed Solenoid Harness (W28) Component Location
Two-Speed Solenoid Harness (W28) Wiring Diagram
Pump Pressure Bypass Harness (W35) Component Location
Pump Pressure Bypass Harness (W35) Wiring Diagram
Group 15 – Sub-System Diagnostics
Starting Circuit Theory of Operation
Controller Area Network (CAN) Theory of Operation
Engine Control Unit (ECU) Circuit Theory of Operation
Engagement and Monitor Unit (EMU) Circuit Theory of Operation
Lighting Circuit Theory of Operation
Hydraulic System Control Circuit Theory of Operation
Hydrostatic System Control Circuit Theory of Operation
Hydraulic Fan Control Circuit Theory of Operation
Backup Alarm Circuit Theory of Operation
Quik-Tatch Circuit Theory of Operation—If Equipped
Group 16 – Monitor Operation
Engagement and Monitor Unit Operation
Engagement and Monitor Unit Data Items
Engagement and Monitor Unit Display Messages
Engagement and Monitor Unit Service Menu Operation
Engagement and Monitor Unit Initial Configuration
Anti-Theft Security System Operation—If Equipped
Anti-Theft Security System Configuration—If Equipped
Anti-Theft Security System Enable—If Equipped
Group 20 – References
Service ADVISOR™ Connection Procedure
Reading Diagnostic Trouble Codes (DTCs)
Intermittent Diagnostic Trouble Code (DTC) Diagnostics
Electrical Components
Key Switch (S1) Check
Park Brake Switch (S2) Check
Work Lights Switch (S6) Check
Dual Flasher Switch (S7) Check
High Flow Switch (S8) Check
Blower Motor Speed Switch (S9) Check
Air Conditioner Switch (S19) Check
Quik-TatchQuik-Tatch is a trademark of Deere & Company Switch (S26) Check
Auxiliary Fourth Function Switch (S33) Check
Reversing Fan Switch (S35) Check
Creep Mode Speed Switch (S36) Check
Self Leveling Switch (S38) Check
Battery Voltage Check
Diode Check
Backup Alarm Check
Key Switch (S1) Check
Park Brake Switch (S2) Check
Work Lights Switch (S6) Check
Dual Flasher Switch (S7) Check
High Flow Switch (S8) Check
Blower Motor Speed Switch (S9) Check
Air Conditioner Switch (S19) Check
Quik-TatchQuik-Tatch is a trademark of Deere & Company Switch (S26) Check
Auxiliary Fourth Function Switch (S33) Check
Reversing Fan Switch (S35) Check
Creep Mode Speed Switch (S36) Check
Self Leveling Switch (S38) Check
Battery Voltage Check
Diode Check
Backup Alarm Check
Electrical Component Specifications
Solenoid Observable Symptom Check
Port Lock Solenoid (Y4)
Park Brake Solenoid (Y5)
Two Speed Solenoid (Y6)
Ride Control Accumulator Solenoid (Y7)
Ride Control Reservoir Solenoid (Y8)
Pump Pressure Bypass Solenoid (Y9)
High Flow Solenoid (Y10)
Air Conditioner Compressor Clutch Solenoid (Y13)
Right C1 Hydrostatic Pump Solenoid (Y15)
Right C2 Hydrostatic Pump Solenoid (Y16)
Left C2 Hydrostatic Pump Solenoid (Y17)
Left C1 Hydrostatic Pump Solenoid (Y18)
Boom Up Solenoid (Y19)
Boom Down Solenoid (Y20)
Bucket Curl Solenoid (Y21)
Bucket Dump Solenoid (Y22)
Auxiliary Port (male) Solenoid (Y23)
Auxiliary Port (female) Solenoid (Y24)
Hydraulic Fan Speed Solenoid (Y30)
Hydraulic Reversing Fan Solenoid A (Y31) (S.N. —269401)
Hydraulic Reversing Fan Solenoid B (Y32) (S.N. —269401)
Hydraulic Reversing Fan Solenoid (Y33) (S.N. 269402— )
Self Leveling Solenoid (Y38)
Port Lock Solenoid (Y4)
Park Brake Solenoid (Y5)
Two Speed Solenoid (Y6)
Ride Control Accumulator Solenoid (Y7)
Ride Control Reservoir Solenoid (Y8)
Pump Pressure Bypass Solenoid (Y9)
High Flow Solenoid (Y10)
Air Conditioner Compressor Clutch Solenoid (Y13)
Right C1 Hydrostatic Pump Solenoid (Y15)
Right C2 Hydrostatic Pump Solenoid (Y16)
Left C2 Hydrostatic Pump Solenoid (Y17)
Left C1 Hydrostatic Pump Solenoid (Y18)
Boom Up Solenoid (Y19)
Boom Down Solenoid (Y20)
Bucket Curl Solenoid (Y21)
Bucket Dump Solenoid (Y22)
Auxiliary Port (male) Solenoid (Y23)
Auxiliary Port (female) Solenoid (Y24)
Hydraulic Fan Speed Solenoid (Y30)
Hydraulic Reversing Fan Solenoid A (Y31) (S.N. —269401)
Hydraulic Reversing Fan Solenoid B (Y32) (S.N. —269401)
Hydraulic Reversing Fan Solenoid (Y33) (S.N. 269402— )
Self Leveling Solenoid (Y38)
Alternator Test
Controller Area Network (CAN) Diagnostics
System Check
Service ADVISOR™ Fuse Test
CAN Termination Resistor Check
CAN High Wire Voltage Check
CAN Low Wire Voltage Check
CAN High Wire Circuit Check
CAN Low Wire Circuit Check
CAN Circuit Short-to-Ground Check
CAN High/CAN Low Short Check
Controller Fuse Check
Controller Check
System Check
Service ADVISOR™ Fuse Test
CAN Termination Resistor Check
CAN High Wire Voltage Check
CAN Low Wire Voltage Check
CAN High Wire Circuit Check
CAN Low Wire Circuit Check
CAN Circuit Short-to-Ground Check
CAN High/CAN Low Short Check
Controller Fuse Check
Controller Check
Boom and Bucket Calibration
Auxiliary Hydraulics Calibration
Manual Tracking Adjustment Procedure
Hydrostatic System Calibration
Electrohydraulic (EH) Foot Pedal Calibration
Engine Control Unit (ECU) Remove and Install
Hydraulic Control Unit (HCU) Remove and Install
Engagement and Monitor Unit (EMU) Remove and Install
Control Panel Remove and Install
Left Joystick Controller (JSL) Remove and Install
Right Joystick Controller (JSR) Remove and Install
Joystick Disassemble and Assemble
Left Electrohydraulic (EH) Foot Pedal Remove and Install
Right Electrohydraulic (EH) Foot Pedal Remove and Install
Backup Alarm Remove and Install
Battery Remove and Install
Motor Speed Sensor Remove and Install
Replace (Pull Type) Metri-Pack™ Connectors
Replace (Push Type) Metri-Pack™ Connectors
Replace Metri-Pack™ Connectors
Replace WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Connector
Install WEATHER PACK WEATHER PACK is a trademark of Packard Electric. Contact
Replace DEUTSCH DEUTSCH is a trademark of Deutsch Co. Rectangular or Triangular Connectors
Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Circular Connectors
Replace DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Connectors
Install DEUTSCH DEUTSCH is a trademark of the Deutsch Co. Contact
Replace CINCH™ Connectors
Install CINCH™ Contact
Repair 32 and 48 Way CINCH™ Connectors
Remove Connector Body from Blade Terminals
Section 9020 – POWER TRAIN
Group 05 – Theory of Operation
Power Train System Operation
Chain Case Operation
Drive Chain Operation
Drive Axle Operation
Group 15 – Diagnostic Information
Power Train Component Location
Oil Leak From Power Train Diagnostic Procedure
Chain Case Drain Plug
Chain Case Access Plate
Chain Case Fill Plug
Axle Housing O-Ring
Axle Oil Seal
Weld Joint
Chain Case Drain Plug
Chain Case Access Plate
Chain Case Fill Plug
Axle Housing O-Ring
Axle Oil Seal
Weld Joint
Excessive Axle Play Diagnostic Procedure
Axle Bearings
Axle Bearings
Drive Chain Noise Diagnostic Procedure
Chain Case Oil Level
Incorrect Drive Chain Tension
Drive Chain and Sprockets
Hydrostatic Motor Noise
Chain Case Oil Level
Incorrect Drive Chain Tension
Drive Chain and Sprockets
Hydrostatic Motor Noise
Grinding Noise Diagnostic Procedure
Chain Case Oil Level
Incorrect Drive Chain Tension
Drive Chain and Sprockets
Axle Bearings
Hydrostatic Motor Noise
Chain Case Oil Level
Incorrect Drive Chain Tension
Drive Chain and Sprockets
Axle Bearings
Hydrostatic Motor Noise
One Drive Wheel Not Powered Diagnostic Procedure
Drive Chain and Sprockets
Broken Axle
Drive Chain and Sprockets
Broken Axle
Both Wheels On One Side Not Powered
Group 25 – Tests
Drive Chain Tension Check and Adjustment
Section 9025 – HYDRAULIC SYSTEM
Group 05 – Theory of Operation
Hydraulic System Operation
Hydraulic Oil Filter Manifold Operation
High Flow Pump Operation—If Equipped
Self Leveling Valve Operation—If Equipped
Ride Control Operation—If Equipped
Hydraulic Pump Operation
Hydraulic Fan Operation
Hydraulic Control Valve Operation
Group 15 – Diagnostic Information
Hydraulic System Schematic
Hydraulic System Component Location
Diagnose Hydraulic System Malfunctions
No Hydraulic Functions Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Interlock Logic Sequence Not Performed Correctly
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Interlock Logic Sequence Not Performed Correctly
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Boom Will Not Raise Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Bucket Overloaded
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Circuit Relief Valve Malfunction
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Bucket Overloaded
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Circuit Relief Valve Malfunction
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Boom Will Not Lower Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Boom Lock Engaged
Low Hydraulic Oil Level
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Plugged Flow Rate Orifice and Check Valve
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Boom Lock Engaged
Low Hydraulic Oil Level
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Plugged Flow Rate Orifice and Check Valve
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Bucket Will Not Dump Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Circuit Relief Valve Malfunction
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Circuit Relief Valve Malfunction
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Bucket Will Not Curl Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Bucket Overloaded
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Circuit Relief Valve Malfunction
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Bucket Overloaded
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Port Lock Solenoid Valve and Port Lock Spool
Circuit Relief Valve Malfunction
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
Control Valve Not Functioning Properly
Bucket Will Not Self Level When Boom is Raised Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Self Leveling Function Disabled
Adjustable Orifice Screw Turned in Completely
Check Valve Removed from Self Leveling Valve
Diagnostic Trouble Codes (DTCs) Check
Self Leveling Function Disabled
Adjustable Orifice Screw Turned in Completely
Check Valve Removed from Self Leveling Valve
Bucket Dumps During Self Leveling Cycle Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Adjustable Orifice Screw Out of Adjustment
Diagnostic Trouble Codes (DTCs) Check
Adjustable Orifice Screw Out of Adjustment
Boom Drifts Down Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Circuit Relief Valve Malfunction
Boom Check Valve
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Circuit Relief Valve Malfunction
Boom Check Valve
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Boom Drifts Up Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Self Leveling Valve Malfunction
Boom Check Valve
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Self Leveling Valve Malfunction
Boom Check Valve
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Bucket Drifts Down Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Self Leveling Valve Malfunction
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Circuit Relief Valve Malfunction
Bucket Check Valve
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Self Leveling Valve Malfunction
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Circuit Relief Valve Malfunction
Bucket Check Valve
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Bucket Drifts Up Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Self Leveling Valve Malfunction
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Circuit Relief Valve Malfunction
Bucket Check Valve
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Drift Check
Self Leveling Valve Malfunction
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Broken Spool Centering Spring
Circuit Relief Valve Malfunction
Bucket Check Valve
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Control Valve Not Functioning Properly
Hydraulic Functions Slow or No Power Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Bucket Overloaded
Hydraulic Function Out of Calibration (EH Controls)
Auxiliary Function Out of Calibration (EH and Manual Controls)
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Hydraulic System Relief Valve
Air in Hydraulic Cylinders
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic Pump
High Flow Hydraulic Pump Worn or Damaged
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Bucket Overloaded
Hydraulic Function Out of Calibration (EH Controls)
Auxiliary Function Out of Calibration (EH and Manual Controls)
Low or No Charge Oil Pressure (EH Controls)
Malfunctioning Solenoid Spool (EH Controls)
Boom and Bucket Spool Lock Solenoid (Manual Controls)
Hydraulic System Relief Valve
Air in Hydraulic Cylinders
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic Pump
High Flow Hydraulic Pump Worn or Damaged
Control Valve Not Functioning Properly
Hydraulic Functions ‘Jerky” or ‘Spongy” Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Air in Hydraulic System
Hydraulic Function Out of Calibration
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
High Flow Hydraulic Pump Worn or Damaged
Control Valve Not Functioning Properly
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Air in Hydraulic System
Hydraulic Function Out of Calibration
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic System Relief Valve
Hydraulic Pump
High Flow Hydraulic Pump Worn or Damaged
Control Valve Not Functioning Properly
Hydraulic System Noise Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Air in Hydraulic System
Bucket Overloaded
Control Valve Linkage or Spool Binding
Hydraulic System Relief Valve
Hydraulic Pump
Charge Pump Worn or Damaged
High Flow Hydraulic Pump Worn or Damaged
Hydrostatic Pump Worn or Damaged
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Air in Hydraulic System
Bucket Overloaded
Control Valve Linkage or Spool Binding
Hydraulic System Relief Valve
Hydraulic Pump
Charge Pump Worn or Damaged
High Flow Hydraulic Pump Worn or Damaged
Hydrostatic Pump Worn or Damaged
Hydraulic Oil Overheats Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Hydraulic System Overloaded
Air Flow Restricted Through Hydraulic Oil Cooler
Slow Hydraulic Fan Motor Speed
Hydraulic Oil Cooler Bypass Valve
Hydraulic System Relief Valve
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic Pump
Hydrostatic Pump Worn or Damaged
High Flow Hydraulic Pump Worn or Damaged
Hydrostatic Pump Worn or Damaged
Hydrostatic Motors Worn or Damaged
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Hydraulic System Overloaded
Air Flow Restricted Through Hydraulic Oil Cooler
Slow Hydraulic Fan Motor Speed
Hydraulic Oil Cooler Bypass Valve
Hydraulic System Relief Valve
Stuck Pivot Pins
Hydraulic Cylinder Leakage
Bent or Damaged Cylinder Rods
Hydraulic Pump
Hydrostatic Pump Worn or Damaged
High Flow Hydraulic Pump Worn or Damaged
Hydrostatic Pump Worn or Damaged
Hydrostatic Motors Worn or Damaged
Hydraulic Fan System Malfunctions Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Hydraulic Fan Speed Check (System Cold)
Charge Oil Pressure Check (System Cold)
Charge Oil Pressure Check (Operating Temperature)
Fan Speed Check (Operating Temperature)
Diagnostic Trouble Codes (DTCs) Check
Low Hydraulic Oil Level
Hydraulic Fan Speed Check (System Cold)
Charge Oil Pressure Check (System Cold)
Charge Oil Pressure Check (Operating Temperature)
Fan Speed Check (Operating Temperature)
Hydraulic Fan Will Not Reverse Direction Diagnostic Procedure
Diagnostic Trouble Codes (DTCs) Check
Hydraulic Fan Reversing Solenoid Check (S.N. —269401)
Hydraulic Fan Reversing Solenoid Check (S.N. 269402— )
Reversing Fan Valve
Diagnostic Trouble Codes (DTCs) Check
Hydraulic Fan Reversing Solenoid Check (S.N. —269401)
Hydraulic Fan Reversing Solenoid Check (S.N. 269402— )
Reversing Fan Valve
Group 20 – Adjustments
Ride Control Accumulator Gas Charge Procedure—If Equipped
Group 25 – Tests
JT05800 Digital Thermometer Installation
JT02156A Digital Pressure and Temperature Analyzer Kit Installation
Remote Start Box Installation
Hydraulic System Pressure Release
Pilot Control Accumulator Precharge Test
Port Lock Solenoid Valve and Port Lock Spool Test
Hydraulic System Relief Valve Test
Charge Pressure Relief Valve Test
High Flow Relief Valve Test
Circuit Relief Valve Test
Function Drift Test
Hydraulic Cylinder Leakage Test
Hydraulic Pump Flow Test
Charge Pump Flow Test
Hydraulic Fan Motor Speed Test
Hydraulic Fan Motor Case Drain Test
Hydraulic Oil Cooler Bypass Valve Test
Section 9026 – HYDROSTATIC SYSTEM
Group 05 – Theory of Operation
Hydrostatic System Operation
Hydrostatic Pump Operation
Charge Pump Operation
Hydrostatic Motor Operation—Single Speed
Hydrostatic Motor Operation—Two Speed
Hydrostatic Control Valve Operation
Park Brake System Operation
Steering Control Operation
Group 15 – Diagnostic Information
Hydrostatic System Schematic
Hydrostatic System Component Location
Machine Does Not Move In Either Direction Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Hydraulic Oil Level Check
Park Brake Check
Hydraulic System Leak Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Hydraulic Oil Level Check
Park Brake Check
Hydraulic System Leak Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Hydrostatic Pump Or Hydrostatic Motor Noise Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Hydraulic Oil Level Check
Park Brake Check
Hydraulic System Leak Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Hydraulic Oil Level Check
Park Brake Check
Hydraulic System Leak Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Slow Response To Changes In Speed Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Hydrostatic Pump Solenoids Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Hydrostatic Pump Solenoids Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Low Power Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Hydraulic Oil Level Check
Charge Pressure Check
Hydraulic System Leak Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Hydraulic Oil Level Check
Charge Pressure Check
Hydraulic System Leak Check
Hydrostatic Pump Flow Check
Hydrostatic Motors Check
Wheels Powered On One Side, Not The Other Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Park Brake Check
Drive Chains Check
Hydrostatic Pump Pressure Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Park Brake Check
Drive Chains Check
Hydrostatic Pump Pressure Check
Hydrostatic Motors Check
Machine Will Not Shift Into Or Out Of High Speed Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Two Speed Solenoid Check
Charge Pressure and Flow Check
Hydrostatic Motor Valves Check
Diagnostic Trouble Codes (DTCs)
Two Speed Solenoid Check
Charge Pressure and Flow Check
Hydrostatic Motor Valves Check
Mistracking Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Hydrostatic System Calibration
Manual Tracking Adjustment
Hydrostatic Pump Flow Check
Park Brake Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Hydrostatic System Calibration
Manual Tracking Adjustment
Hydrostatic Pump Flow Check
Park Brake Check
Hydrostatic Motors Check
Park Brakes Do Not Hold Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Park Brake Switch and Circuit Check
Park Brake Solenoid Check
Park Brake Lining and Disk Check
Diagnostic Trouble Codes (DTCs)
Park Brake Switch and Circuit Check
Park Brake Solenoid Check
Park Brake Lining and Disk Check
Park Brakes Do Not Release Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Seat Switch Check
Interlocking Seat Bar Switch Check
Cab Door Switch Check
Park Brake Switch and Circuit Check
Park Brake Solenoid Check
Park Brake Release Pressure Check
Park Brake Lining and Disk Check
Diagnostic Trouble Codes (DTCs)
Seat Switch Check
Interlocking Seat Bar Switch Check
Cab Door Switch Check
Park Brake Switch and Circuit Check
Park Brake Solenoid Check
Park Brake Release Pressure Check
Park Brake Lining and Disk Check
Grinding Noise While Operating Machine Diagnostic Procedure
Diagnostic Trouble Codes (DTCs)
Park Brake Check
Hydrostatic Motors Check
Diagnostic Trouble Codes (DTCs)
Park Brake Check
Hydrostatic Motors Check
Group 25 – Tests
Engine Speed Control for Testing
Multi-Function Valve Pressure Relief Test
Hydrostatic Pump Flow Test
Hydrostatic Pump Mechanical Neutral Adjustment
Hydrostatic Pump Control Neutral Adjustment
Wheel Speed Test
Park Brake Release Pressure Test
Hydrostatic Motor Case Drain Test—Single Speed
Section 9031 – HEATING AND AIR CONDITIONING
Group 05 – Theory of Operation
Air Conditioning System Cycle of Operation
Group 15 – Diagnostic Information
Air Conditioning and Heater System Component Location
Air Conditioning System Does Not Operate Diagnostic Procedure
Accessory Fuse Check
Air Conditioner and Heater Fuse Check
Accessory Relay Check
Blower Motor Speed Switch Check
Blower Motor Speed Resistor Check
Blower Motor Check
Air Conditioner Switch Check
Blower Motor Relays Check
Freeze Control Switch Check
Air Conditioner High/Low Pressure Switch Check
Air Conditioner Compressor Clutch Check
Wiring Harness Check
Accessory Fuse Check
Air Conditioner and Heater Fuse Check
Accessory Relay Check
Blower Motor Speed Switch Check
Blower Motor Speed Resistor Check
Blower Motor Check
Air Conditioner Switch Check
Blower Motor Relays Check
Freeze Control Switch Check
Air Conditioner High/Low Pressure Switch Check
Air Conditioner Compressor Clutch Check
Wiring Harness Check
Air Conditioning Does Not Cool Interior of Cab Diagnostic Procedure
Fresh Air Filter Check
Recirculation Air Filter Check
Condenser Check
Refrigerant Hose Check
Blower Motor Speed Resistor Check
Blower Motor Check
Heater Temperature Control Switch Check
Accessory Drive Belt Check
Cab Seals Check
System Refrigerant (R134a) Leak Check
Evaporator Core Fins Check
Fresh Air Filter Check
Recirculation Air Filter Check
Condenser Check
Refrigerant Hose Check
Blower Motor Speed Resistor Check
Blower Motor Check
Heater Temperature Control Switch Check
Accessory Drive Belt Check
Cab Seals Check
System Refrigerant (R134a) Leak Check
Evaporator Core Fins Check
Air Conditioner Runs Constantly, Too Cool Diagnostic Procedure
Evaporator Core Component Check
Air Conditioner Freeze Control Switch Check
Heater Valve Motor Check
Evaporator Core Component Check
Air Conditioner Freeze Control Switch Check
Heater Valve Motor Check
Heater System Does Not Operate Diagnostic Procedure
Accessory Fuse Check
Air Conditioner and Heater Fuse Check
Accessory Relay Check
Blower Motor Speed Switch Check
Blower Motor Speed Resistor Check
Blower Motor Relays Check
Blower Motor Check
Wiring Harness Check
Accessory Fuse Check
Air Conditioner and Heater Fuse Check
Accessory Relay Check
Blower Motor Speed Switch Check
Blower Motor Speed Resistor Check
Blower Motor Relays Check
Blower Motor Check
Wiring Harness Check
Heater Does Not Warm Interior of Cab Diagnostic Procedure
Fresh Air Filter Check
Recirculation Air Filter Check
Hot Water Hose Check
Condenser Core and Evaporator Core Check
Blower Motor Speed Resistor Check
Blower Motor Check
Heater Temperature Control Switch Check
Heater Valve Motor Check
Cab Seals Check
Fresh Air Filter Check
Recirculation Air Filter Check
Hot Water Hose Check
Condenser Core and Evaporator Core Check
Blower Motor Speed Resistor Check
Blower Motor Check
Heater Temperature Control Switch Check
Heater Valve Motor Check
Cab Seals Check
Interior Windows Continue to Fog Diagnostic Procedure
Air Conditioner System Off Check
Fresh Air Filter Check
Recirculation Air Filter Check
Air Conditioner System Off Check
Fresh Air Filter Check
Recirculation Air Filter Check
Group 25 – Tests
Refrigerant Cautions and Proper Handling
Visual Inspection Of Components
Lines and Hoses Check
Air Conditioner Compressor Check
Condenser Check
Engine Fan Check
Heater/Evaporator Core Check
Freeze Control Switch Probe Check
Cab Air Filter and Recirculation Air Filter Check
Cab Door and Windows Check
Lines and Hoses Check
Air Conditioner Compressor Check
Condenser Check
Engine Fan Check
Heater/Evaporator Core Check
Freeze Control Switch Probe Check
Cab Air Filter and Recirculation Air Filter Check
Cab Door and Windows Check
Refrigerant Leak Testing
Air Conditioner Compressor Clutch Test
Air Conditioning High/Low Pressure Switch Test
Air Conditioner Freeze Control Switch Test
R134a Refrigerant Cautions
R134a Oil Charge Capacity
R134a Refrigerant Charge Capacity
Operating Pressure Diagnostic Chart
Section 9900 – DEALER FABRICATED TOOLS
Group 99 – Dealer Fabricated Tools
DFT1318 Motor Speed Sensor Test Harness
DFT1325 Solenoid Power Harness