Komatsu WA500-6 - Service Repair Manual - Wiring Diagrams

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KOMATSU WA500-6 - WORKSHOP, SERVICE, REPAIR MANUAL - WIRING DIAGRAMS

- English Service Manual and Wiring Diagrams, for Komatsu WA500-6.
 

CONTENTS:

CEBM18104 - WA500-6 sn A920001 - A92999
- CONTENTS
- REVISED PAGES
- SAFETY
- SAFETY NOTICE
- IMPORTANT SAFETY NOTICE
- General Precautions
- Preparations for Work
- Precautions During Work
- GENERAL
- HOW TO READ THE SHOP MANUAL
- Volumes
- Distribution and Updating
- Filing Method
- Revised Edition Mark
- Revisions
- Symbols
- HOISTING INSTRUCTIONS
- Hoisting
- Making Signs
- Precautions
- Precautions for Sling Work
- Precautions for Using Mobile Crane
- Precautions for Using Overhead Hoist Crane
- Selecting Wire Ropes
- AIR CONDITIONER CIRCUITS
- Precautions for Handling Hoses and Tubes
- Disconnecting Hoses and Tubes
- Connecting Hoses and Tubes
- MAINTENANCE STANDARD TERMS
- HANDLING ELECTRIC AND HYDRAULIC EQUIPMENT
- Handling Electric Equipment
- Handling Wiring Harnesses and Connectors
- Main Failures Occurring in Wiring Harness
- Removing, Installing, and Drying Connectors and Wiring Harnesses
- Handling Controller
- Troubleshooting Electric Circuits
- Handling Hydraulic Equipment
- Handling Connectors Used for Engines
- Slide Lock Type
- Pull Lock Type
- Push Lock Type
- Turn-housing Type (Round Green Connector)
- PRECAUTIONS FOR OPERATIONS
- Precautions when Carrying Out Removal Work
- Precautions when Carrying Out Installation Work
- Precautions when Completing the Operation
- PUSH-PULL COUPLER
- Type 1
- Disconnection
- Connection
- Type 2
- Disconnection
- Connection
- Type 3
- Disconnection
- Connection
- COATING MATERIALS
- STANDARD TIGHTENING TORQUE
- Standard Tightening Torques of Bolts and Nuts
- Tightening Torques for Split Flange Bolts
- Tightening Torques for O-Ring Boss Piping Joints
- Tightening Torques for O-Ring Boss Plugs
- Tightening Torques for Hoses (Taper Seal Type and Face Seal Type)
- Tightening Toques for Face Seal Joints
- For 102, 107, and 114 Engine Series (Bolts and Nuts)
- For 102, 107, and 114 Engine Series (Eye Joints)
- For 102, 107, and 114 Engine Series (Taper Screws)
- ELECTRIC WIRE CODE
- How to Read Electric Wire Code
- CONVERSION TABLES
- Method of Using the Conversion Table
01 GENERAL
- SPECIFICATIONS
- Dimension Drawing
- Specification Tables
- WEIGHT TABLE
- FUEL, COOLANT, AND LUBRICANTS
10 STRUCTURE, FUNCTION ANDMAINTENANCE STANDARD
- ENGINE AND COOLING SYSTEM
- Cooling System
- Engine and Transmission Mount
- Joint
- Cooling Fan Pump
- Servo Valve
- Cooling Fan Motor
- Hydraulic Motor
- Suction Valve
- Reversible Valve
- Safety Valve
- POWER TRAIN
- Drive Line Components
- Power Train System Diagram
- Without Lockup Clutch
- With Lockup Clutch
- Drive Shaft
- Power Train Piping Diagram
- Torque Converter without Lockup Clutch
- Power Transmission Route
- Oil Flow
- Torque Converter with Lockup Clutch
- Power Transmission Route: Lockup Clutch Disengaged
- Power Transmission Route: Lockup Clutch Engaged
- Oil Flow
- Torque Converter Regulator Valve
- Transmission with Lockup Clutch
- Disc Clutch
- Power Transmission Route
- Transfer
- Transmission Control Valve (without Lockup Clutch)
- Transmission Control Value (with Lockup Clutch)
- ECMV (Electronic Control Modulation Valve)
- Pressure Control Valve and Fill Switch
- Operation of ECMV
- For Lockup Clutch
- Main Relief Valve and Torque Converter Relief Valve
- Outline
- Operation
- Lubrication Relief Valve
- Torque Converter Oil Cooler
- Torque Converter Oil Filter
- Center Support
- Axle
- Front Axle
- Rear Axle
- Differential
- Front Differential
- Front Differential (with Limited Slip Differential)
- Rear Differential
- Rear Differential (with Limited Slip Differential)
- Limited Slip Differential (if equipped)
- Final Drive
- STEERING SYSTEM
- Steering Piping Diagram
- Steering Column
- Steering Control Valve
- Steering Relief Valve
- Safety Suction Valve
- Steering Valve
- Stop Valve
- Joystick Steering Lever Linkage (if equipped)
- Steering Cylinder
- Emergency Steering (if equipped)
- Piping Diagram
- Diverter Valve (for emergency steering)
- Operation
- BRAKE SYSTEM
- Piping Diagram
- Brake Valve
- Slack Adjuster
- Accumulator Charge Valve
- PPC Relief Valve
- Accumulator (for Brake)
- Brake
- Parking Brake Control
- Parking Brake
- Parking Brake Solenoid Valve
- Emergency Parking Brake Release Valve
- UNDERCARRIAGE AND FRAME
- Axle Mount
- Center Hinge Pin
- HYDRAULIC SYSTEM
- Hydraulic Piping Diagram
- Work Equipment Control Lever Linkage
- Hydraulic Tank
- Steering Pump
- Pump Unit
- Servo Valve
- LS Valve
- CO Valve
- Work Equipment Hydraulic Pump HPV190
- LS Valve
- PC Valve
- PC-EPC Valve
- Control Valve
- CLSS (Closed Center Load-Sensing System)
- Function and Operation of Each Valve
- Pressure Compensation Valve
- LS Shuttle Valve
- LS Bypass Valve
- ECSS Control Valve
- Accumulator Pressure Relief Valve
- Accumulator Charge Valve
- Accumulator (for PPC Circuit)
- Work Equipment Electric Lever
- WORK EQUIPMENT
- Work Equipment Linkage
- Bucket
- Bucket 5.6 M3 (with Bolt-On Cutting Edge)
- Bucket 5.2 M3 (with Teeth and Segment Edge)
- Bucket Positioner and Boom Kickout
- Work Equipment Lubrication
- CAB AND ITS ATTACHMENTS
- ROPS Cab
- Air Conditioner
- Air Conditioner Piping Diagram
- Cooling Circuit Diagram
- Air Conditioner Unit
- Condenser
- Receiver
- Air Conditioner Panel
- ELECTRICAL SYSTEM
- Machine Monitor System
- Machine Monitor Circuits
- Machine Monitor
- Machine Monitor Operation Switches
- Items Displayed on Monitor
- Character Display Function
- Operator Mode Functions
- Service Mode Functions
- Service Mode Menu
- Electrical System Failure History Display Function
- Mechanical System Failure History Display Function
- Real-Time Monitor Function
- Engine Reduced-Cylinder (Cylinder Cut-out) Function
- No Injection Cranking Function
- Adjustment Function
- Maintenance Monitoring Function
- Operating Information Display Function
- Optional Device Selecting Function
- Machine Serial Number Input Function
- Model Selection Function
- Load Meter Function (if equipped)
- Rear Side of Machine Monitor
- Connector Signal Tables
- Work Equipment Control System
- Work Equipment Controller
- Work Equipment Controls
- Remote Positioner
- Lift Arm Positioner
- Semi-Automatic Digging
- Pump Swash Plate Control
- Joystick Steering Control
- Real-Time Monitor
- Diagnosis
- Input and Output Signals
- Transmission Controller System
- Electrical Circuit Diagram
- Transmission Controller Gearshifting Control
- Auto-Shift Points Table
- Transmission Controller Protection Function
- Engine Control
- Transmission Cutoff Control
- ECSS Function
- Economy Lamp
- Cooling Fan Control
- Right FNR Switch Control (if equipped)
- Joystick Control
- Real-Time Monitor
- Diagnosis
- Input and Output Signals
- ELECTRONIC TRANSMISSION CONTROL
- Combination Switch
- Engine Starting Circuit
- Engine Stopping Circuit
- Preheating Circuit
- Parking Brake Circuit
- Backup and Stop Lamp circuit
- Small Lamp and Head Lamp Circuits
- Working Lamp Circuit
- Horn Circuit
- Wiper and Window Washer Circuits
- Sensors and Switches
- Input Shaft Speed Sensor
- Output Shaft Speed Sensor
- Left Brake Pressure Sensor
- Transmission Oil Temperature Sensor
- Torque Converter Oil Temperature Sensor
- Hydraulic Oil Temperature Sensor
- Axle Oil Temperature Sensor
- Kickdown Hold Switch
- Joystick Knob (if equipped)
- Right FNR Switch (if equipped)
- Lift Arm Angle Sensor (if equipped)
- Loader Pump Pressure Sensor
- Lift Arm Cylinder Bottom Pressure Sensor
- Lift Arm Cylinder Head Pressure Sensor (Load Meter) (if equipped)
- Fuel Level Sensor
- Parking Brake Pressure Switch
- Stop Lamp Pressure Switch
- Air Cleaner Clogging Sensor
- Transmission Clogging Sensor
- Steering Oil Pressure Sensor Switch
- Radiator Coolant Level Sensor
- Brake Accumulator Pressure Switch (front and rear)
- Battery Electrolyte Level Sensor
- Accelerator Pedal Sensor
- Emergency Brake Pressure Switch (front)
- Emergency Brake Pressure Switch (rear)
- KOMTRAX Terminal System
- KOMTRAX Terminal
20 STANDARD VALUE TABLES
- STANDARD VALUE TABLES
- Standard Service Value Table for Engine
- Standard Service Value Table for Chassis
- MACHINE POSTURE
30 TESTING AND ADJUSTING
- TOOLS
- Tools for Testing, Adjusting, and Troubleshooting
- ENGINE COMPONENTS
- Measuring Engine Speed
- Measuring Exhaust Gas Color
- Using Handy Smoke Checker (A1)
- Using Smoke Meter (A2)
- Measuring Exhaust Temperature
- Adjusting Valve Clearance
- Testing Compression Pressure
- Measuring Blow-By Pressure
- Measuring Engine Oil Pressure
- Measuring Intake Air (Boost) Pressure
- FUEL SYSTEM
- Handling Fuel System Equipment
- Releasing Residual Pressure in Fuel System
- Testing Fuel Pressure
- Testing Fuel Return Rate and Leakage
- Bleeding Air from Fuel Circuit
- Testing Leakage in Fuel System
- Handling Reduced-Cylinder Mode Operation
- Handling No-Injection Cranking Operation
- Handling Controller Voltage Circuit
- BELTS
- Alternator Belt Tension
- Air Conditioner Compressor Belt Tension
- TRANSMISSION SPEED SENSOR
- DIRECTIONAL LEVER
- POWER TRAIN OIL PRESSURES
- Measuring
- Transmission Main Relief Pressure
- Torque Converter Relief Pressure
- Torque Converter Outlet Pressure
- Lockup Clutch Pressure
- F (Forward) Clutch Pressure
- R (Reverse) Clutch Pressure
- 1st Clutch Pressure
- 2nd Clutch Pressure
- 3rd Clutch Pressure
- 4th Clutch Pressure
- Lubrication Pressure
- Adjusting
- Transmission Main Relief Valve
- Torque Converter Relief Valve
- FLUSHING TRANSMISSION SYSTEM
- Torque Converter and Transmission Hydraulic Circuit
- WHEN TRANSMISSION VALVE FAILS
- Moving Machine when Transmission Valve is Broken
- STEERING SYSTEM
- Steering Stop Valve
- Testing
- Adjusting
- Steering Wheel
- Measuring Play
- Measuring Operating Effort
- Measuring Operating Time
- Steering Oil Pressure
- Measuring Steering Relief Pressure
- Measuring Pilot Circuit Pressure
- Measuring LS Circuit Pressure
- Adjusting Steering Relief Pressure
- Bleeding Air From Steering Cylinder Circuit
- HYDRAULIC FAN
- Measuring Fan Speed
- Measuring Fan Drive Oil Pressure
- Measuring Fan Reverse Solenoid Output Pressure
- Bleeding Air from Hydraulic Drive Fan Circuit
- BRAKE SYSTEM
- Measuring Brake Pedal
- Measuring Brake Performance
- Accumulator Charge Pressure
- Testing Wheel Brake Oil Pressure
- Measuring Wear of Brake Disc
- Bleeding Air from Brake Circuit
- Bleeding Air from Slack Adjuster
- Bleeding Air from Brake Cylinder
- Releasing Residual Pressure in Brake Accumulator Circuit
- Parking Brake
- Testing Parking Brake Performance
- Measuring Parking Brake Oil Pressure
- Testing Wear of Parking Brake Disc
- Releasing Parking Brake Manually
- WORK EQUIPMENT
- Control Lever
- Measuring Operating Effort
- Measuring Stroke
- PPC Oil Pressure
- Shutoff Valve Basic Pressure
- Shutoff Valve Output Pressure
- Oil Pressure
- Preparation Work
- Measuring Work Equipment Relief Pressure
- Measuring Unload Pressure
- Measuring LS Differential Pressure
- Adjusting Unload Valve
- Adjusting Work Equipment Relief Pressure
- Adjusting LS Differential Pressure
- Bleeding Air from Work Equipment Circuit
- From Work Equipment Pump (piston pump)
- From Hydraulic Cylinder
- Releasing Residual Pressure in Hydraulic Circuit
- Between Respective Hydraulic Cylinders and Control Valve
- From ECSS (Travel Damper) Circuit
- Moving Machine When Removing Operator Cab
- Bucket Positioner
- Testing and Adjusting
- Adjusting Clearance
- Adjusting Bucket-Levelness Detecting Proximity Switch
- Adjusting Maximum Tilt-Detecting Proximity Switch
- Position-Detecting Lever
- Checking Proximity Switch Operation Pilot Lamp
- ELECTRICAL SYSTEM
- Troubleshooting
- Procedure for Testing Diodes
- Using Digital-Type Circuit Tester
- Using Analog-Type Circuit Tester
- Preparation Work for Troubleshooting Electrical System
- Machine Monitor
- Transmission Controller
- Work Equipment Controller
- KOMTRAX Terminal
- KOMTRAX TERMINAL SYSTEM
- Starting KOMTRAX Terminal Operations
- Station Opening Check in Machine Side
- Application for the Start of Use
- KOMTRAX Terminal Indicator Lamps (if equipped)
- MACHINE MONITOR SYSTEM
- Adjusting Replaced, Reassembled, or Added Sensor, Controller
- Adjustment for User’s Needs
- Normal and Special Functions of Machine Monitor
- Normal Functions: Operator Mode
- Special Functions: Service Mode
- Functions and Flow of Service Mode
- Operator Mode
- Service Meter/Clock Display Function (1)
- Load Meter Function (if equipped) (2)
- Odometer Display Function (3)
- Maintenance Monitoring Function (4)
- Telephone Number Input Function (5)
- Language Selection Function (6)
- Monitor Brightness Adjustment Function (7)
- Time Adjustment Function (8)
- Travel Speed/Engine Speed Display Selecting Function (9)
- Travel Speed/Engine Speed Display/Non-Display Selecting Function (10)
- Action Code Display Function (11)
- Failure Code Display Function (12)
- Service Mode
- Switching to Service Mode and Screen Display (1)
- Electrical System Failure History Display Function (ELECTRIC FAULT) (2)
- Mechanical System Failure History Display Function (MACHINE FAULT) (3)
- Real-Time Monitoring Function (REAL-TIME MONITOR) (4)
- Real-Time Monitoring Codes Tables
- Cylinder Cutout Function (CYLINDER CUT-OUT) (5)
- No-Injection Cranking Function (NO INJECTION) (6)
- Adjustment Function (TUNING) (7)
- Maintenance Monitoring Function (MAINTENANCE MONITOR) (8)
- Operating Information Display Function (OPERATION INFO) (9)
- Optional Device Selecting Function (OPTIONAL SELECT) (10)
- Machine Serial Number Input Function (MACHINE No. SET) (11)
- Model Selection Function (MACHINE WA500) (12)
- Initialize Function (INITIALIZE) (13)
- Appendix
- PM CLINIC INSPECTION TABLES
40 TROUBLESHOOTING
- TROUBLESHOOTING POINTS
- TROUBLESHOOTING EVENTS
- MAINTENANCE PRECAUTIONS
- Precautions when Handling Electrical Equipment
- Handling Electronic Control Unit
- Points to Remember when Troubleshooting Electrical Circuits
- ELECTRIC WIRE CODE
- How to Read Electric Wire Code
- Type, Symbol, and Material
- Dimensions
- Color Codes Table
- Circuits and Color Codes
- Classification by Thickness
- HANDLING HYDRAULIC EQUIPMENT
- CHECKS BEFORE TROUBLESHOOTING
- Categories and Method of Using Troubleshooting Charts
- Troubleshooting Individual Electrical Circuits
- Chart Use
- Chart Tips
- Troubleshooting Individual Hydraulic Circuits
- CONNECTOR PIN NUMBERS
- Connection Tables for Connector PIN Numbers
- X-Type Connectors
- SWP-Type Connectors
- M-Type Connectors
- S-Type Connectors
- MIC-Type Connectors
- AMP040-Type Connectors
- AMP070-Type Connectors
- AMP Connector
- L-Type Connector
- PA-Type Connector
- Bendix (MS) Connector
- KES1 (Automobile) Connectors
- F-Type Connector
- Connectors for Relay (Socket-Type)
- HD30 Series Connectors
- DT Series Connectors
- DTM Series Connectors
- DTHD Series Connectors
- DTP Series Connectors
- DRC26 Series Connectors
- DRC12, 16 Series Connectors
- AMP Connectors for Pump Controller (CH700)
- BOSCH Connectors for Engine
- SUMITOMO Connectors for Engine
- CANNON Connector for Engine
- AMP Connectors for Engine
- FRAMATOME Connectors for Engine
- PACKARD Connectors for Engine
- DT Series Connectors for Engine
- T-BRANCH BOX and T-BRANCH ADAPTER TABLE
- MODE CHART
- INFORMATION IN TESTING PROCEDURES
- TROUBLESHOOTING BY FAILURE CODE
- Failure Code Table
- FUSE BOX AND SLOW-BLOW FUSES
- Connection Table
- Fuse Box A
- Fuse Box B
- Slow-Blow Fuses
- FAILURE CODES
- 1500LO
- TORQFLOW Transmission: Double Meshing
- 15BONX
- Transmission Filter: Clogging
- 15SAL1
- ECMV F Clutch: When Command Current is OFF, Fill Signal is ON
- 15SALH
- ECMV F Clutch: When Command Current is ON, Fill Signal is OFF
- 15SBL1
- ECMV R Clutch: When Command Current is OFF, Fill Signal is ON
- 15SBLH
- ECMV R Clutch: When Command Current is ON, Fill Signal is OFF
- 15SEL1
- ECMV 1st Clutch: When Command Current is OFF, Fill Signal is ON
- 15SELH
- ECMV 1st Clutch: When Command Current is ON, Fill Signal is OFF
- 15SFL1
- ECMV 2nd Clutch: When Command Current is OFF, FIll Signal is ON
- 15SFLH
- ECMV 2nd Clutch: When Command Current is ON, Fill Signal is OFF
- 15SGL1
- ECMV 3rd Clutch: When Command Current is OFF, Fill Signal is ON
- 15SGLH
- ECMV 3rd Clutch: When Command Current is ON, Fill Signal is OFF
- 15SHL1
- ECMV 4th Clutch: When Command Current is OFF, Fill Signal is ON
- 15SHLH
- ECMV 4th Clutch: When Command Current is ON, Fill Signal is OFF
- 2F00MA
- Parking Brake: Malfunction
- 2G42ZG
- Front Accumulator: Low Oil Pressure
- 2G43ZG
- Rear Accumulator: Low Oil Pressure
- 44K0L4
- Bucket Positioner: ON/OFF Signals Disagree
- AA1ANX
- Air Cleaner: Clogging
- AB00L6
- Alternator: Signal Disagrees with Operating State of Engine
- AB00MA
- Alternator: Malfunction
- B@BAZG
- Engine: Low Engine Oil Pressure
- B@BAZK
- Engine Oil: Low Level
- B@BCNS
- Engine: Coolant: Overheating
- B@BCZK
- Engine: Coolant: Low Level
- B@C7NS
- Brake: Brake Oil: Overheating
- b@CENS
- Torque Converter Oil: Overheating
- B@CENS
- Torque Converter Oil: Overheating
- B@GAZK
- Battery Electrolyte: Low Level
- B@HANS
- Hydraulic Oil: Overheating
- CA111
- Abnormality in Engine Controller
- CA115
- Engine Ne or Bkup Speed Sensor Error
- CA122
- Charge Pressure Sensor High Error
- CA123
- Charge Pressure Sensor Low Error
- CA131
- Throttle Sensor High Error
- CA132
- Throttle Sensor Low Error
- CA135
- Engine Oil Pressure Sensor High Error
- CA141
- Engine Oil Pressure Sensor Low Error
- CA144
- Coolant Temperature Sensor High Error
- CA145
- Coolant Temperature Sensor Low Error
- CA153
- Charge Temperature Sensor High Error
- CA154
- Charge Temperature Sensor Low Error
- CA187
- Sensor Power Supply 2 Low Error
- CA221
- Atmospheric Pressure Sensor High Error
- CA222
- Atmospheric Pressure Sensor Low Error
- CA227
- Sensor Power Supply 2 High Error
- CA234
- Engine Overspeed
- CA238
- Ne Speed Sensor Power Supply Error
- CA263
- Fuel Temperature Sensor High Error
- CA265
- Fuel Temperature Sensor Low Error
- CA271
- PCV1 Short Circuit
- CA272
- PCV1 Disconnection
- CA273
- PCV2 Short Circuit
- CA274
- PCV2 Disconnection
- CA322
- Injector #1 (L/B #1) Open/Short Error
- CA323
- Injector #5 (L/B #5) Open/Short Error
- CA324
- Injector #3 (L/B #3) Open/Short Error
- CA325
- Injector #6 (L/B #6) Open/Short Error
- CA331
- Injector #2 (L/B #2) Open/Short Error
- CA332
- Injector #4 (L/B #4) Open/Short Error
- CA342
- Calibration Code Data Inconsistency
- CA351
- Injectors Drive Circuit Error
- CA352
- Sensor Power Supply 1 Low Error
- CA386
- Sensor Power Supply 1 High Error
- CA431
- Idle Validation Switch Error
- CA432
- Idle Validation Action Error
- CA441
- Battery Voltage Low Error
- CA442
- Battery Voltage High Error
- CA449
- Common Rail Pressure High Error 2
- CA451
- Common Rail Pressure Sensor High Error
- CA452
- Common Rail Pressure Sensor Low Error
- CA553
- Common Rail Pressure High Error 1
- CA554
- Common Rail Pressure In-Range Error
- CA559
- Supply Pump Pressure Very Low Error 1
- Checksheet for No-Pressure Feed
- CA689
- Engine Ne Speed Sensor Error
- CA731
- Engine Bkup Speed Sensor Phase Error
- CA757
- All Continuous Data Lost Error
- CA778
- Engine Bkup Speed Sensor Error
- CA1228
- EGR Valve Servo Error 1
- CA1625
- EGR Valve Servo Error 2
- CA1626
- Bypass Valve Solenoid Current High Error
- CA1627
- Bypass Valve Solenoid Drive Circuit Disconnection Error
- CA1628
- Bypass Valve Servo Error 1
- CA1629
- Bypass Valve Servo Error 2
- CA1631
- Bypass Valve Lift Sensor High Error
- CA1632
- Bypass Valve Lift Sensor Low Error
- CA1633
- KOMNET Datalink Timeout Error
- CA1642
- Abnormally Low Signal in EGR Inlet Pressure Sensor (s/n up to 55120)
- EGR Inlet Pressure Sensor Low Error
- CA1653
- Abnormally High Signal in EGR Inlet Pressure Sensor (s/n up to 55120)
- EGR Inlet Pressure Sensor High Error
- CA2185
- Throttle Sensor Supply Voltage High Error
- CA2186
- Throttle Sensor Power Supply Low Error
- CA2249
- Supply Pump Pressure Very Low Error 2
- CA2271
- EGR Valve Lift Sensor High Error
- CA2272
- EGR Valve Lift Sensor Low Error
- CA2351
- EGR Valve Solenoid Operation Short Circuit
- CA2352
- EGR Valve Solenoid Operation Disconnection Error
- CA2555
- Intake Heater Relay Disconnection Error
- CA2556
- Intake Heater Relay Short Circuit Error
- D160KZ
- Backup Lamp Relay: Disconnection or Short Circuit
- D191KA
- Joystick Steering Neutral Safety Relay: Disconnection
- D191KB
- Joystick Steering Neutral Safety Relay: Short Circuit
- D192KA
- ECSS Solenoid: Disconnection
- D192KB
- ECSS Solenoid: Short Circuit

AND MORE....