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Komatsu PC490LCi-11 with 6D125E-7 Engine Hydraulic Excavator Service Manual

3,645 pages · Publication CEBM031500

$369.89
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Models
PC490LCi-11 with 6D125E-7 Engine
Serial coverage
A45001 and up
Manual type
Service Manual
Pages
3,645
Publication
CEBM031500
Condition
Brand new
Komatsu PC490LCi-11 with 6D125E-7 Engine Hydraulic Excavator Service Manual, publication CEBM031500

What's inside

From the manual's own table of contents: 356 sections, 700 entries. See sample pages (PDF, 1013 KB)

INDEX AND FOREWORD
ABBREVIATION LIST
FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
SAFETY NOTICE FOR OPERATION
PRECAUTIONS TO PREVENT FIRE
ACTIONS IF FIRE OCCURS
PRECAUTIONS FOR DISPOSING OF WASTE MATERIALS
ACTIONS TAKEN TO MEET EXHAUST GAS REGULATIONS
PRECAUTIONS FOR DEF
STORE AdBlue/DEF
PRECAUTIONS FOR HANDLING HYDRAULIC EQUIPMENT
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF PIPINGS
PRECAUTIONS FOR HANDLING ELECTRICAL EQUIPMENT
PRECAUTIONS FOR HANDLING FUEL SYSTEM EQUIPMENT
PRECAUTIONS FOR HANDLING INTAKE SYSTEM EQUIPMENT
PRACTICAL USE OF KOMTRAX
DISCONNECT AND CONNECT PUSH-PULL TYPE COUPLER
PRECAUTIONS FOR DISCONNECTION AND CONNECTION OF CONNECTORS
METHOD FOR DISCONNECTING AND CONNECTING DEUTSCH CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING SLIDE LOCK TYPE CONNECTOR
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PULL
METHOD FOR DISCONNECTING AND CONNECTING CONNECTOR WITH LOCK TO PUSH
HOW TO READ ELECTRICAL WIRE CODE
Show all 356 sections
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
SPECIFICATIONS
SPECIFICATION DRAWING
WORKING RANGE DRAWINGS
WEIGHT TABLE
TABLE OF FUEL, COOLANT, AND LUBRICANTS
STRUCTURE AND FUNCTION
UREA SCR SYSTEM
LAYOUT DRAWING OF UREA SCR SYSTEM
UREA SCR SYSTEM DIAGRAM
FUNCTION OF UREA SCR SYSTEM
COMPONENT PARTS OF UREA SCR SYSTEM
SYSTEM
LAYOUT DRAWING OF BOOT-UP SYSTEM
SYSTEM OPERATING LAMP SYSTEM
BATTERY DISCONNECT SWITCH
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE SYSTEM
ENGINE CONTROL SYSTEM
ENGINE AUTOMATIC WARM-UP SYSTEM
OVERHEAT PREVENTION SYSTEM3 topics
  • TURBOCHARGER PROTECTION SYSTEM
  • AUTOMATIC IDLE STOP SYSTEM
  • COMPONENT PARTS OF ENGINE SYSTEM
COOLING SYSTEM5 topics
  • LAYOUT DRAWING OF COOLING SYSTEM
  • FAN SPEED CONTROL SYSTEM OF HYDRAULIC FAN
  • ENGINE OUTPUT CONTROL SYSTEM OF HYDRAULIC FAN
  • FAN REVERSE ROTATION SYSTEM OF HYDRAULIC FAN
  • COMPONENT PARTS OF COOLING SYSTEM
CONTROL SYSTEM4 topics
  • LAYOUT DRAWING OF CONTROL SYSTEM
  • MACHINE MONITOR SYSTEM
  • KOMTRAX SYSTEM
  • COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM5 topics
  • LAYOUT DRAWING OF HYDRAULIC SYSTEM
  • CLSS
  • ENGINE AND PUMP COMBINED CONTROL SYSTEM
  • PUMP AND VALVE CONTROL SYSTEM
  • COMPONENT PARTS OF HYDRAULIC SYSTEM
WORK EQUIPMENT SYSTEM8 topics
  • LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
  • STRUCTURE OF VALVE CONTROL
  • POWER MAXIMIZING SYSTEM
  • MACHINE PUSH-UP SYSTEM
  • PPC LOCK SYSTEM
  • WORK EQUIPMENT AND TRAVEL AUTOMATIC LOCK SYSTEM
  • OIL FLOW ADJUSTER SYSTEM FOR ATTACHMENT
  • COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
ICT SYSTEM7 topics
  • LAYOUT DRAWING OF ICT SYSTEM
  • ICT CONTROL SYSTEM DIAGRAM
  • BUCKET EDGE POSITION DETECTION SYSTEM
  • THE INTELLIGENT MACHINE CONTROL SYSTEM
  • CUSHION SYSTEM FOR ARM IN END
  • BOOM SECONDARY DRIVE SWITCH
  • COMPONENT PARTS OF ICT SYSTEM
SWING SYSTEM3 topics
  • LAYOUT DRAWING OF SWING SYSTEM
  • SWING CONTROL SYSTEM DIAGRAM
  • COMPONENT PARTS OF SWING SYSTEM
TRAVEL SYSTEM3 topics
  • LAYOUT DRAWING OF TRAVEL SYSTEM
  • TRAVEL CONTROL SYSTEM DIAGRAM
  • COMPONENT PARTS OF TRAVEL SYSTEM
UNDERCARRIAGE AND FRAME1 topic
  • LAYOUT DRAWING OF UNDERCARRIAGE
WORK EQUIPMENT4 topics
  • STRUCTURE OF WORK EQUIPMENT
  • FUNCTION OF WORK EQUIPMENT
  • WORK EQUIPMENT CLEARANCE ADJUSTMENT SHIM
  • BUCKET CLEARANCE ADJUSTMENT SHIM
CAB AND ITS ATTACHMENTS3 topics
  • ROPS CAB
  • CAB MOUNT
  • CAB TIPPING STOPPER
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE
STANDARD VALUE TABLE FOR ENGINE: PC490LCI-11
STANDARD VALUE TABLE FOR MACHINE
STANDARD VALUE TABLE FOR MACHINE: PC490LCI-11
MACHINE POSTURE AND PROCEDURE FOR MEASURING PERFORMANCE
STANDARD VALUE TABLE FOR ELECTRICAL
TESTING AND ADJUSTING
RELATED INFORMATION ON TESTING AND ADJUSTING
TOOLS FOR TESTING AND ADJUSTING
SKETCH OF TOOLS FOR TESTING AND ADJUSTING
ENGINE AND COOLING SYSTEM
TEST ENGINE SPEED
TEST BOOST PRESSURE
TEST EXHAUST GAS COLOR
TEST AND ADJUST VALVE CLEARANCE
TEST COMPRESSION PRESSURE
TEST BLOWBY PRESSURE
TEST ENGINE OIL PRESSURE
TEST EGR VALVE AND KVGT OIL PRESSURE
TEST FUEL PRESSURE
TEST FUEL RETURN RATE AND LEAKAGE
BLEED AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT FOR LEAKAGE
HANDLE CYLINDER CUT-OUT MODE OPERATION
HANDLE NO-INJECTION CRANKING OPERATION
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION
CLEAN FUEL DOSER
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER
WRITING CORRECTION FOR ASH IN SOOT ACCUMULATION TO ENGINE CONTROLLER
TEST SCR RELATED FUNCTIONS
CLEAN AdBlue/DEF TANK
POWER TRAIN
TEST SWING CIRCLE BEARING CLEARANCE
TEST AND ADJUST TRACK TENSION
RELEASE REMAINING PRESSURE FROM HYDRAULIC SYSTEM
TEST OIL PRESSURE OF CONTROL CIRCUIT
TEST AND ADJUST OIL PRESSURE IN PUMP PC CONTROL CIRCUIT
TEST AND ADJUST OIL PRESSURE IN PUMP LS CONTROL CIRCUIT
TEST OUTLET PRESSURE OF SOLENOID VALVE
TEST PPC VALVE OUTLET PRESSURE
ADJUST WORK EQUIPMENT AND SWING PPC VALVES
TEST PUMP SWASH PLATE SENSOR
TEST COOLING FAN SPEED
TEST OIL PRESSURE IN FAN PUMP CIRCUIT
TEST FAN PUMP EPC ELECTRIC CURRENT
TEST FAN PUMP EPC SOLENOID VALVE OUTLET PRESSURE
TEST THE PARTS CAUSING HYDRAULIC DRIFT IN WORK EQUIPMENT
TEST OIL LEAKAGE
BLEED AIR FROM HYDRAULIC CIRCUIT2 topics
  • TEST CAB TIPPING STOPPER
  • METHOD FOR ADJUSTING MIRRORS
ELECTRICAL SYSTEM8 topics
  • SET AND OPERATE MACHINE MONITOR
  • METHOD FOR STARTING UP KOMTRAX TERMINAL
  • ADJUST REARVIEW CAMERA ANGLE
  • HANDLE VOLTAGE CIRCUIT OF ENGINE CONTROLLER
  • HANDLE BATTERY DISCONNECT SWITCH
  • TEST DIODES
  • SET AND OPERATE CONTROL BOX
  • CALIBRATE INTELLIGENT MACHINE CONTROL
Pm CLINIC1 topic
  • Pm CLINIC SERVICE
TROUBLESHOOTING
RELATED INFORMATION ON TROUBLESHOOTING16 topics
  • GENERAL TROUBLESHOOTING POINTS
  • TROUBLESHOOTING POINTS FOR UREA SCR SYSTEM
  • SEQUENCE OF EVENTS IN TROUBLESHOOTING
  • CHECKS BEFORE TROUBLESHOOTING
  • INSPECTION PROCEDURE BEFORE TROUBLESHOOTING
  • TESTING IN ACCORDANCE WITH TESTING PROCEDURE
  • PREPARATION FOR TROUBLESHOOTING OF ELECTRICAL SYSTEM
  • PROCEDURE FOR TESTING AND TROUBLESHOOTING
  • SYMPTOMS OF FAILURE AND TROUBLESHOOTING NUMBERS
  • INFORMATION DESCRIBED IN TROUBLESHOOTING TABLE
  • CONNECTOR LIST AND LAYOUT
  • CONNECTOR CONTACT IDENTIFICATION
  • BOX AND T-BRANCH ADAPTER TABLE
  • FUSE LOCATION TABLE
  • PRECAUTIONS FOR CLEANING AND REPLACING KDPF (KCSF and KDOC)
  • FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)21 topics
  • FAILURE CODE [879AKA] A/C Recirculation Air Temperature Sensor Open Circuit
  • FAILURE CODE [879AKB] A/C Recirculation Air Temperature Sensor Short Circuit
  • FAILURE CODE [879BKA] A/C Fresh Air Temperature Sensor Open Circuit
  • FAILURE CODE [879BKB] A/C Fresh Air Temperature Sensor Short Circuit
  • FAILURE CODE [879CKA] Ventilating Sensor Open Circuit
  • FAILURE CODE [879CKB] Ventilating Sensor Short Circuit
  • FAILURE CODE [879DKZ] Sunlight Sensor Open Circuit or Short Circuit
  • FAILURE CODE [879EMC] Ventilation Damper Malfunction
  • FAILURE CODE [879FMC] Air Mix Damper Malfunction
  • FAILURE CODE [879GKX] Refrigerant Pressure Input Signal Out of Range
  • FAILURE CODE [989L00] Engine Controller Lock Caution 1
  • FAILURE CODE [989M00] Engine Controller Lock Caution 2
  • FAILURE CODE [989N00] Engine Controller Lock Caution 3
  • FAILURE CODE [A1U0N3] HC Desorb Request 1
  • FAILURE CODE [A1U0N4] HC Desorb Request 2
  • FAILURE CODE [A900FR] Abrupt Engine Stop by Auto Idling Stop 3
  • FAILURE CODE [A900N6] Abrupt Engine Stop by Auto Idling Stop 1
  • FAILURE CODE [A900NY] Abrupt Engine Stop by Auto Idling Stop 2
  • FAILURE CODE [AA10NX] Air Cleaner Clogging
  • FAILURE CODE [AB00KE] Charge Voltage Low
  • FAILURE CODE [AQ10N3] Manual Stationary Regeneration Request (KDOC Face Plugging)
FAILURE CODE [AS00N3] Manual Stationary Regeneration Request (SCR)
FAILURE CODE [AS00R2] Warning 2 (SCR Device Abnormality)
FAILURE CODE [AS00R3] Inducement 1 (SCR Device Abnormality)
FAILURE CODE [AS00R4] Inducement 2 (SCR Device Abnormality)
FAILURE CODE [AS00R5] Inducement 3 (SCR Device Abnormality)
FAILURE CODE [AS00R6] Temporary Recovery of Inducement
FAILURE CODE [AS00ZK] AdBlue/DEF Level Low Error 5
FAILURE CODE [AS10KM] AdBlue/DEF Injector Overheat Warning
FAILURE CODE [AS10NR] AdBlue/DEF Injector High Temperature Warning
FAILURE CODE [AS10NT] AdBlue/DEF Injector Overheat Caution
FAILURE CODE [B@BAZG] Eng Oil Press Low
FAILURE CODE [B@BAZK] Eng Oil Level Low
FAILURE CODE [B@BCNS] Eng Water Overheat
FAILURE CODE [B@BCZK] Eng Water Level Low
FAILURE CODE [B@HANS] Hyd Oil Overheat
FAILURE CODE [CA115] Engine NE and Backup Speed Sensor Error
FAILURE CODE [CA122] Charge Air Pressure Sensor High Error
FAILURE CODE [CA123] Charge Air Pressure Sensor Low Error
FAILURE CODE [CA131] Throttle Sensor High Error
FAILURE CODE [CA132] Throttle Sensor Low Error
FAILURE CODE [CA135] Engine Oil Pressure Sensor High Error
FAILURE CODE [CA141] Engine Oil Pressure Sensor Low Error
FAILURE CODE [CA144] Coolant Temperature Sensor High Error
FAILURE CODE [CA145] Coolant Temperature Sensor Low Error
FAILURE CODE [CA153] Charge Air Temperature Sensor High Error
FAILURE CODE [CA154] Charge Air Temperature Sensor Low Error
FAILURE CODE [CA187] Sensor 2 Supply Voltage Low Error
FAILURE CODE [CA221] Ambient Pressure Sensor High Error
FAILURE CODE [CA222] Ambient Pressure Sensor Low Error
FAILURE CODE [CA227] Sensor 2 Supply Voltage High Error
FAILURE CODE [CA234] Engine Overspeed
FAILURE CODE [CA238] NE Speed Sensor Supply Voltage Error
FAILURE CODE [CA239] NE Speed Sensor Supply Voltage High Error
FAILURE CODE [CA249] Ambient Air Temp Sensor High Error
FAILURE CODE [CA256] Ambient Air Temp Sensor Low Error
FAILURE CODE [CA271] IMV or PCV 1 Short Circuit Error
FAILURE CODE [CA272] IMV or PCV 1 Open Circuit Error
FAILURE CODE [CA273] PCV 2 Short Circuit Error
FAILURE CODE [CA274] PCV 2 Open Circuit Error
FAILURE CODE [CA322] Injector #1 (L#1) Open Circuit Error or Short Circuit Error
FAILURE CODE [CA323] Injector #5 (L#5) Open Circuit Error or Short Circuit Error
FAILURE CODE [CA324] Injector #3 (L#3) Open Circuit Error or Short Circuit Error
FAILURE CODE [CA325] Injector #6 (L#6) Open Circuit Error or Short Circuit Error
FAILURE CODE [CA331] Injector #2 (L#2) Open Circuit Error or Short Circuit Error
FAILURE CODE [CA332] Injector #4 (L#4) Open Circuit Error or Short Circuit Error
FAILURE CODE [CA343] Engine Controller Internal Failure
FAILURE CODE [CA351] Injectors Drive Circuit Error
FAILURE CODE [CA352] Sensor 1 Supply Voltage Low Error
FAILURE CODE [CA356] MAF Sensor High Error
FAILURE CODE [CA357] MAF Sensor Low Error
FAILURE CODE [CA386] Sensor 1 Supply Voltage High Error
FAILURE CODE [CA441] Battery Voltage Low Error
FAILURE CODE [CA442] Battery Voltage High Error
FAILURE CODE [CA449] Common Rail Pressure High Error 2
FAILURE CODE [CA451] Common Rail Pressure Sensor High Error
FAILURE CODE [CA452] Common Rail Pressure Sensor Low Error
FAILURE CODE [CA515] Common Rail Pressure Sensor Supply Voltage High Error
FAILURE CODE [CA516] Common Rail Pressure Sensor Supply Voltage Low Error58 topics
  • FAILURE CODE [CA553] Common Rail Pressure High Error 1
  • FAILURE CODE [CA555] Crankcase Pressure High Error 1
  • FAILURE CODE [CA556] Crankcase Pressure High Error 2
  • FAILURE CODE [CA559] Common Rail Pressure Low Error 1
  • FAILURE CODE [CA595] Turbocharger Speed High Error 2
  • FAILURE CODE [CA687] Turbocharger Speed Low Error
  • FAILURE CODE [CA689] Engine NE Speed Sensor Error
  • FAILURE CODE [CA691] Intake Air Temperature Sensor High Error
  • FAILURE CODE [CA692] Intake Air Temperature Sensor Low Error
  • FAILURE CODE [CA697] Engine Controller Internal Temperature Sensor High Error
  • FAILURE CODE [CA698] Engine Controller Internal Temperature Sensor Low Error
  • FAILURE CODE [CA731] Engine Backup Speed Sensor Phase Error
  • FAILURE CODE [CA778] Engine Backup Speed Sensor Error
  • FAILURE CODE [CA1117] Engine Controller Partial Data Lost Error
  • FAILURE CODE [CA1664] KDOC Abnormality
  • FAILURE CODE [CA1669] AdBlue/DEF Level Sensor Voltage High Error
  • FAILURE CODE [CA1673] AdBlue/DEF Level Low Error 3
  • FAILURE CODE [CA1677] AdBlue/DEF Temperature Sensor Low Error
  • FAILURE CODE [CA1678] AdBlue/DEF Temperature Sensor High Error
  • FAILURE CODE [CA1682] AdBlue/DEF Pump Priming Error
  • FAILURE CODE [CA1683] AdBlue/DEF Tank Heating Valve Voltage High Error
  • FAILURE CODE [CA1684] AdBlue/DEF Tank Heating Valve Voltage Low Error
  • FAILURE CODE [CA1686] AdBlue/DEF Quality Sensor Voltage High Error
  • FAILURE CODE [CA1691] Defective Regeneration
  • FAILURE CODE [CA1694] SCR Outlet NOx Sensor In Range Error
  • FAILURE CODE [CA1695] Sensor 5 Supply Voltage High Error
  • FAILURE CODE [CA1696] Sensor 5 Supply Voltage Low Error
  • FAILURE CODE [CA1712] AdBlue/DEF Tank Thawing Error
  • FAILURE CODE [CA1713] AdBlue/DEF Tank Heater Valve Open Stuck Error
  • FAILURE CODE [CA1714] AdBlue/DEF Quality Sensor Out of Calibration Error
  • FAILURE CODE [CA1715] AdBlue/DEF Quality Sensor Internal Circuit Error
  • FAILURE CODE [CA1776] Sensor Supply Relay Voltage High Error
  • FAILURE CODE [CA1777] Sensor Supply Relay Voltage Low Error
  • FAILURE CODE [CA1843] Crankcase Pressure Sensor High Error
  • FAILURE CODE [CA1844] Crankcase Pressure Sensor Low Error
  • FAILURE CODE [CA1879] KDPF Differential Pressure Sensor High Error
  • FAILURE CODE [CA1881] KDPF Differential Pressure Sensor Low Error
  • FAILURE CODE [CA1883] KDPF Differential Pressure Sensor In Range Error
  • FAILURE CODE [CA1885] Turbo Outlet NOx Sensor Circuit Error
  • FAILURE CODE [CA1887] SCR Outlet NOx Sensor Circuit Error
  • FAILURE CODE [CA1921] KDPF Soot Accumulation High Error 1
  • FAILURE CODE [CA1922] KDPF Soot Accumulation High Error 2
  • FAILURE CODE [CA1923] Fuel Doser Solenoid 1 High Error
  • FAILURE CODE [CA1924] Fuel Doser Solenoid 1 Low Error
  • FAILURE CODE [CA1925] Fuel Doser Solenoid 1 In Range Error
  • FAILURE CODE [CA1927] Dosing Fuel Pressure Sensor High Error
  • FAILURE CODE [CA1928] Dosing Fuel Pressure Sensor Low Error
  • FAILURE CODE [CA1942] Crankcase Pressure Sensor In Range Error
  • FAILURE CODE [CA1963] Fuel Doser Solenoid 1 Servo Error
  • FAILURE CODE [CA1977] Fuel Doser Open Error or Short Error
  • FAILURE CODE [CA1993] KDPF Differential Pressure Low Error
  • FAILURE CODE [CA2185] Throttle Sensor Supply Voltage High Error
  • FAILURE CODE [CA2186] Throttle Sensor Supply Voltage Low Error
  • FAILURE CODE [CA2249] Common Rail Pressure Low Error 2
  • FAILURE CODE [CA2265] Fuel Feed Pump Open Error
  • FAILURE CODE [CA2266] Fuel Feed Pump Short Error
  • FAILURE CODE [CA2271] EGR Valve Position Sensor High Error
  • FAILURE CODE [CA2272] EGR Valve Position Sensor Low Error
FAILURE CODE [CA2349] EGR Valve Solenoid Open Circuit Error
FAILURE CODE [CA2353] EGR Valve Solenoid Short Circuit Error
FAILURE CODE [CA2357] EGR Valve Servo Error
FAILURE CODE [CA2381] KVGT Position Sensor High Error
FAILURE CODE [CA2382] KVGT Position Sensor Low Error
FAILURE CODE [CA2383] KVGT Solenoid Open Circuit Error
FAILURE CODE [CA2386] KVGT Solenoid Short Circuit Error
FAILURE CODE [CA2387] KVGT Servo Error
FAILURE CODE [CA2555] Intake Air Heater Relay Open Circuit Error
FAILURE CODE [CA2556] Intake Air Heater Relay Short Circuit Error
FAILURE CODE [CA2637] KDOC Face Plugging
FAILURE CODE [CA2639] Manual Stationary Regeneration Request
FAILURE CODE [CA2732] Fuel Doser Solenoid 2 High Error
FAILURE CODE [CA2733] Fuel Doser Solenoid 2 Low Error
FAILURE CODE [CA2741] Fuel Dozer Solenoid Valve Swap Error
FAILURE CODE [CA2765] Injector Trim Data Mismatch
FAILURE CODE [CA2771] SCR Outlet NOx Sensor Datalink Timeout Error
FAILURE CODE [CA2878] Fuel Doser Solenoid 2 Servo Error
FAILURE CODE [CA2881] Dosing Fuel Pressure Low Error 1
FAILURE CODE [CA2976] AdBlue/DEF Pump Temperature Sensor Signal Error
FAILURE CODE [CA3133] KDPF Outlet Pressure Sensor High Error
FAILURE CODE [CA3134] KDPF Outlet Pressure Sensor Low Error
FAILURE CODE [CA3135] KDPF Outlet Pressure Sensor In Range Error
FAILURE CODE [CA3142] SCR Temperature Sensor High Error
FAILURE CODE [CA3143] SCR Temperature Sensor Low Error
FAILURE CODE [CA3144] SCR Temperature Sensor In Range Error
FAILURE CODE [CA3146] SCR Outlet Temperature Sensor High Error
FAILURE CODE [CA3147] SCR Outlet Temperature Sensor Low Error
FAILURE CODE [CA3148] SCR Outlet Temperature Sensor In Range Error
FAILURE CODE [CA3151] SCR Catalyst Efficiency Low Error 2
FAILURE CODE [CA3165] SCR Outlet Temperature High Error
FAILURE CODE [CA3167] Fuel Doser Degradation
FAILURE CODE [CA3229] SCR Temperature High Error
FAILURE CODE [CA3231] SCR Temperature High Error - Non Regeneration
FAILURE CODE [CA3232] Turbo Outlet NOx Sensor Datalink Timeout Error
FAILURE CODE [CA3235] SCR Outlet Temperature High Error - Non Regeneration
FAILURE CODE [CA3239] AdBlue/DEF Line Heater 2 Voltage High Error
FAILURE CODE [CA3241] AdBlue/DEF Line Heater 2 Voltage Low Error
FAILURE CODE [CA3242] AdBlue/DEF Tank Heating Error
FAILURE CODE [CA3251] KDOC Inlet Temperature High Error
FAILURE CODE [CA3253] KDOC Temperature Error - Non Regeneration
FAILURE CODE [CA3254] KDOC Outlet Temperature High Error 1
FAILURE CODE [CA3255] KDPF Temperature Error - Non Regeneration
FAILURE CODE [CA3256] KDPF Outlet Temperature High Error 1
FAILURE CODE [CA3311] KDOC Outlet Temperature High Error 2
FAILURE CODE [CA3312] KDPF Outlet Temperature High Error 2
FAILURE CODE [CA3313] KDOC Inlet Temperature Sensor Low Error
FAILURE CODE [CA3314] KDOC Inlet Temperature Sensor High Error
FAILURE CODE [CA3315] KDOC Inlet Temperature Sensor In Range Error
FAILURE CODE [CA3316] KDOC Outlet Temperature Sensor Low Error
FAILURE CODE [CA3317] KDOC Outlet Temperature Sensor High Error
FAILURE CODE [CA3318] KDOC Outlet Temperature Sensor In Range Error
FAILURE CODE [CA3319] KDPF Outlet Temperature Sensor High Error
FAILURE CODE [CA3321] KDPF Outlet Temperature Sensor Low Error
FAILURE CODE [CA3322] KDPF Outlet Temperature Sensor In Range Error
FAILURE CODE [CA3419] MAF Sensor Supply Voltage High Error57 topics
  • FAILURE CODE [CA3421] MAF Sensor Supply Voltage Low Error
  • FAILURE CODE [CA3497] AdBlue/DEF Level Low Error 1
  • FAILURE CODE [CA3498] AdBlue/DEF Level Low Error 2
  • FAILURE CODE [CA3543] AdBlue/DEF Quality Error (SCR Catalyst Efficiency Low)
  • FAILURE CODE [CA3545] SCR Outlet NOx Sensor Unstable Error
  • FAILURE CODE [CA3547] AdBlue/DEF Level Low Error 4
  • FAILURE CODE [CA3558] AdBlue/DEF Pump Voltage High Error
  • FAILURE CODE [CA3559] AdBlue/DEF Pump Voltage Low Error
  • FAILURE CODE [CA3562] AdBlue/DEF LineHeater Relay 1 Voltage High Error
  • FAILURE CODE [CA3563] AdBlue/DEF LineHeater Relay 1 Voltage Low Error
  • FAILURE CODE [CA3567] AdBlue/DEF Injector Open Circuit Error or Short Circuit Error
  • FAILURE CODE [CA3568] AdBlue/DEF Injector Malfunction
  • FAILURE CODE [CA3571] AdBlue/DEF Pump Pressure Sensor High Error
  • FAILURE CODE [CA3572] AdBlue/DEF Pump Pressure Sensor Low Error
  • FAILURE CODE [CA3574] AdBlue/DEF Pump Pressure Too Low Error
  • FAILURE CODE [CA3575] AdBlue/DEF Pump Pressure Too High Error
  • FAILURE CODE [CA3577] AdBlue/DEF FCV Voltage High Error
  • FAILURE CODE [CA3578] AdBlue/DEF FCV Voltage Low Error
  • FAILURE CODE [CA3582] SCR Catalyst Efficiency Low Error 1
  • FAILURE CODE [CA3583] SCR Outlet NOx Sensor Heater Warming up Error
  • FAILURE CODE [CA3596] AdBlue/DEF Pump Pressure Unstable Error
  • FAILURE CODE [CA3649] Turbo Outlet NOx Sensor Heater Warming up Error
  • FAILURE CODE [CA3681] SCR Outlet NOx Sensor Power Voltage Error
  • FAILURE CODE [CA3682] Turbo Outlet NOx Sensor Power Voltage Error
  • FAILURE CODE [CA3713] AdBlue/DEF Line Heater 1 Voltage High Error
  • FAILURE CODE [CA3717] SCR Outlet NOx Sensor Voltage Mismatch Error
  • FAILURE CODE [CA3718] Turbo Outlet NOx Sensor Voltage Mismatch Error
  • FAILURE CODE [CA3725] Turbo Outlet NOx Sensor Unstable Error
  • FAILURE CODE [CA3748] Turbo Outlet NOx Sensor Stuck In Range Error
  • FAILURE CODE [CA3751] SCR Catalyst Degradation Error
  • FAILURE CODE [CA3755] AdBlue/DEF Dosing Performance Degradation Error
  • FAILURE CODE [CA3866] AdBlue/DEF Low Concentration Error 2
  • FAILURE CODE [CA3867] AdBlue/DEF Low Concentration Error 1
  • FAILURE CODE [CA3868] AdBlue/DEF Tank Sensor Datalink Timeout Error
  • FAILURE CODE [CA3899] SCR NH3 Sensor Circuit Error
  • FAILURE CODE [CA3911] SCR NH3 Sensor Datalink Timeout Error
  • FAILURE CODE [CA3912] SCR NH3 Sensor Heater Warming up Error
  • FAILURE CODE [CA3932] SCR NH3 Sensor Heater Voltage High Error
  • FAILURE CODE [CA3933] SCR NH3 Sensor Heater Voltage Low Error
  • FAILURE CODE [CA3934] SCR NH3 Sensor Power Interrupt Error
  • FAILURE CODE [CA3935] SCR NH3 Sensor Trim Resistance Error
  • FAILURE CODE [CA3936] SCR NH3 Sensor Internal Circuit Error
  • FAILURE CODE [CA4151] KDOC and KDPF Temperature Sensor Datalink Timeout Error
  • FAILURE CODE [CA4152] SCR Temperature Sensor Datalink Timeout Error
  • FAILURE CODE [CA4155] AdBlue/DEF Pump Heater Relay Voltage High Error
  • FAILURE CODE [CA4156] AdBlue/DEF Pump Heater Relay Voltage Low Error
  • FAILURE CODE [CA4157] AdBlue/DEF FCV Malfunction
  • FAILURE CODE [CA4158] KDOC and KDPF Temperature Sensor Internal Circuit Error
  • FAILURE CODE [CA4159] SCR Temperature Sensor Internal Circuit Error
  • FAILURE CODE [CA4161] KDOC and KDPF Temperature Sensor ECU Voltage High Error
  • FAILURE CODE [CA4162] KDOC and KDPF Temperature Sensor ECU Voltage Low Error
  • FAILURE CODE [CA4164] SCR Temperature Sensor ECU Voltage High Error
  • FAILURE CODE [CA4165] SCR Temperature Sensor ECU Voltage Low Error
  • FAILURE CODE [CA4166] SCR Temperature Sensor ECU High Temperature Error
  • FAILURE CODE [CA4168] AdBlue/DEF Pump Heater ON Stuck Error
  • FAILURE CODE [CA4169] AdBlue/DEF Pump Heater OFF Stuck Error
  • FAILURE CODE [CA4171] AdBlue/DEF Pump Thawing Error
FAILURE CODE [CA4249] AdBlue/DEF Pump Temperature Sensor 1 In Range Error
FAILURE CODE [CA4251] AdBlue/DEF Pump Temperature Sensor 2 In Range Error
FAILURE CODE [CA4259] KDOC and KDPF Temperature Sensor Power Interrupt Error
FAILURE CODE [CA4261] SCR Temperature Sensor Power Interrupt Error
FAILURE CODE [CA4277] AdBlue/DEF Quality Sensor Liquid Distinction Impossible Error
FAILURE CODE [CA4281] SCR NH3 Sensor Stuck Response Error
FAILURE CODE [CA4459] AdBlue/DEF LineHeater Relay 2 Voltage High Error
FAILURE CODE [CA4461] AdBlue/DEF LineHeater Relay 2 Voltage Low Error
FAILURE CODE [CA4658] AdBlue/DEF Flow Low Error
FAILURE CODE [CA4731] AdBlue/DEF Temperature Sensor Transmission Data Error
FAILURE CODE [CA4732] AdBlue/DEF Level Sensor Transmission Data Error
FAILURE CODE [CA4739] AdBlue/DEF Level Sensor Internal Circuit Error
FAILURE CODE [CA4768] Fuel in AdBlue/DEF Tank Error
FAILURE CODE [CA4769] AdBlue/DEF Level Measurement Impossible
FAILURE CODE [CA4842] AdBlue/DEF High Concentration Error
FAILURE CODE [CA4952] System Operating Lamp Short Circuit (Engine Controller)
FAILURE CODE [CA5115] AdBlue/DEF Line Heater 1 Voltage Low Error
FAILURE CODE [CA5179] Engine Room Temperature Sensor High Error
FAILURE CODE [CA5181] Engine Room Temperature Sensor Low Error
FAILURE CODE [CA5383] Ash Accumulation High Error
FAILURE CODE [D110KB] Battery Relay Output Short Circuit
FAILURE CODE [D19JKZ] Personal Code Relay Open Circuit or Short Circuit
FAILURE CODE [D811MC] KOMTRAX Malfunction
FAILURE CODE [D862KA] GPS Antenna Open Circuit
FAILURE CODE [D8ALKA] System Operating Lamp Open Circuit (KOMTRAX)
FAILURE CODE [D8ALKB] System Operating Lamp Short Circuit (KOMTRAX)
FAILURE CODE [D8AQKR] CAN 2 Defective Communication (KOMTRAX)
FAILURE CODE [DA20MC] Pump Controller Malfunction
FAILURE CODE [DA22KK] Pump Controller Solenoid Power Voltage Low Error
FAILURE CODE [DA25KP] 5V Sensor 1 Power Voltage Low Error
FAILURE CODE [DA29KQ] Model Selection Signal Mismatch (Pump Controller)
FAILURE CODE [DA2LKA] System Operating Lamp Open Circuit (Pump Controller)
FAILURE CODE [DA2LKB] System Operating Lamp Short Circuit (Pump Controller)
FAILURE CODE [DAF0MB] Monitor ROM Abnormality
FAILURE CODE [DAF0MC] Monitor Malfunction
FAILURE CODE [DAF8KB] Camera Power Supply Short Circuit
FAILURE CODE [DAF9KQ] Model Selection Signal Mismatch (Monitor)
FAILURE CODE [DAFGMC] GPS Module Malfunction
FAILURE CODE [DAFLKA] System Operating Lamp Open Circuit (Monitor)
FAILURE CODE [DAFLKB] System Operating Lamp Short Circuit (Monitor)
FAILURE CODE [DAFQKR] CAN 2 Defective Communication (Monitor)
FAILURE CODE [DAZ9KQ] Model Selection Signal Mismatch (A/C)
FAILURE CODE [DAZQKR] CAN 2 Defective Communication (A/C ECU)
FAILURE CODE [DB2QKR] CAN 2 Defective Communication (Engine Controller)
FAILURE CODE [DB2RKR] CAN 1 Defective Communication (Engine Controller)
FAILURE CODE [DB90MC] W/E Controller Reset
FAILURE CODE [DB92KK] W/E Controller Solenoid Power Voltage Low Error
FAILURE CODE [DB95KP] W/E Con 5V Sensor 0 Power Volt Low Error
FAILURE CODE [DB96KP] W/E Con 5V Sensor 1 Power Volt Low Error
FAILURE CODE [DB99KQ] Model Selection Signal Mismatch (W/E Con)
FAILURE CODE [DB9LKA] System Operating Lamp Open Circuit (W/E Controller)
FAILURE CODE [DB9LKB] Operating Lamp Hot Short Circuit (W/E Con)
FAILURE CODE [DB9QKR] CAN 2 Defective Communication (W/E Con)
FAILURE CODE [DB9RKR] CAN 1 Defective Communication (W/E Con)58 topics
  • FAILURE CODE [DBR0MC] ICT Sensor Controller Reset
  • FAILURE CODE [DBR2KK] ICT Sensor Con Solenoid Power Low Error
  • FAILURE CODE [DBR5KP] ICT Sensor Con 5V Sensor 0 Power Low Error
  • FAILURE CODE [DBR6KP] ICT Sensor Con 5V Sensor 1 Power Low Error
  • FAILURE CODE [DBR9KQ] Model Selection Signal Mismatch (ICT Sens)
  • FAILURE CODE [DBRLKA] Operating Lamp Open Circuit(ICT Con)
  • FAILURE CODE [DBRLKB] Operating Lamp Open Circuit (ICT Sens Con)
  • FAILURE CODE [DBRQKR] CAN2 Discon (ICT Con)
  • FAILURE CODE [DBRRKR] CAN1 Discon (ICT Con)
  • FAILURE CODE [DBRSKB] Battery Relay Short Circuit (ICT Sensor)
  • FAILURE CODE [DBRTKB] Control Box Power Short Circuit(ICT Sensor)
  • FAILURE CODE [DBUSKR] Ethernet 0 Discon (GNSS Controller)
  • FAILURE CODE [DD20MA] Auto/Manual Selector Switch Error
  • FAILURE CODE [DDNRKA] W/E Lever Lock SW Open Circuit
  • FAILURE CODE [DDNRKY] W/E Lever Lock SW Short Circuit
  • FAILURE CODE [DDNS00] Lock Lever Auto Lock Release SW On
  • FAILURE CODE [DGH2KA] Hydraulic Oil Temperature Sensor Open Circuit
  • FAILURE CODE [DGH2KB] Hydraulic Oil Temperature Sensor Ground Fault
  • FAILURE CODE [DHA4KA] Air Cleaner Clog Sensor Open Circuit
  • FAILURE CODE [DHAAMA] KDPF Differential Pressure Sensor Frozen
  • FAILURE CODE [DHACMA] KDPF Outlet Pressure Sensor Frozen
  • FAILURE CODE [DHPAMA] Front Pump Pressure Sensor Defective Function
  • FAILURE CODE [DHPBMA] Rear Pump Pressure Sensor Defective Function
  • FAILURE CODE [DHS3MA] Arm IN PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHS4MA] Bucket CURL PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHS8MA] Boom RAISE PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHS9MA] Boom LOWER PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSAMA] Swing Right PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSBMA] Swing Left PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSCMA] Arm OUT PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSDMA] Bucket DUMP PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSFMA] Travel Forward Left PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSGMA] Travel Forward Right PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSHMA] Travel Reverse Left PPC Pressure Sensor Defective Function
  • FAILURE CODE [DHSJMA] Travel Reverse Right PPC Pressure Sensor Defective Function
  • FAILURE CODE [DK80KM] IMU Calibration Not Completed
  • FAILURE CODE [DK80KR] IMU Defective Communication
  • FAILURE CODE [DK80KT] IMU Internal Failure
  • FAILURE CODE [DKG1KM] Bucket Cylinder Calibration Not Completed
  • FAILURE CODE [DKG1L8] Bucket Cyl Stroke Sensor In Range Error
  • FAILURE CODE [DKR0MA] Front Pump Swash Plate Sensor Defective Function
  • FAILURE CODE [DKR1MA] Rear Pump Swash Plate Sensor Defective Function
  • FAILURE CODE [DKT0KM] Boom Cylinder Calibration Not Completed
  • FAILURE CODE [DKT0L8] Boom Cylinder Stroke Sensor In Range Error
  • FAILURE CODE [DKT1KA] Boom Cyl Stroke Sens A Phase Open Circuit
  • FAILURE CODE [DKT1KB] Boom Cyl Stroke Sens A Phase Hot Short
  • FAILURE CODE [DKT2KA] Boom Cyl Stroke Sens B Phase Open Circuit
  • FAILURE CODE [DKT2KB] Boom Cyl Stroke Sensor B Phase Hot Short
  • FAILURE CODE [DKT4KM] Arm Cylinder Calibration Not Completed
  • FAILURE CODE [DKT4L8] Arm Cylinder Stroke Sensor In Range Error
  • FAILURE CODE [DKT5KA] Arm Cyl Stroke Sensor A Phase Open Circuit
  • FAILURE CODE [DKT5KB] Arm Cyl Stroke Sensor A Phase Hot Short
  • FAILURE CODE [DKT6KA] Arm Cyl Stroke Sensor B Phase Open Circuit
  • FAILURE CODE [DKT6KB] Arm Cyl Stroke Sensor B Phase Hot Short
  • FAILURE CODE [DKT8KA] Bucket Cyl Stroke Sensor A Open Circuit
  • FAILURE CODE [DKT8KB] Bucket Cyl Stroke Sensor A Phase Hot Short
  • FAILURE CODE [DKT9KA] Bucket Cyl Stroke Sensor B Open Circuit
  • FAILURE CODE [DKT9KB] Bucket Cyl Stroke Sensor B Phase Hot Short
FAILURE CODE [DKTAKA] Bucket Cyl Stroke Reset Sens Open Circuit
FAILURE CODE [DKTAKB] Bucket Cyl Stroke Reset Sensor Hot Short
FAILURE CODE [DKTAMB] Bucket Cyl Stroke Reset Sens InRange Error
FAILURE CODE [DKTBKX] Boom Cyl Stroke Reset Encoder A,B Error
FAILURE CODE [DKTBMC] Boom Cylinder Stroke Reset Encoder Error
FAILURE CODE [DKTEMB] Boom Cylinder Stroke Reset Encoder Z Error
FAILURE CODE [DKTFKX] Arm Cyl Stroke Reset Encoder A,B Error
FAILURE CODE [DKTFMC] Arm Cylinder Stroke Reset Encoder Error
FAILURE CODE [DKTJMB] Arm Cyl Stroke Reset Encoder Z Phase Error
FAILURE CODE [DKU1MA] Boom Spool Storke Sensor In Range Error
FAILURE CODE [DKU2MA] Arm Spool Storke Sensor In Range Error
FAILURE CODE [DKUGKA] Arm IN PPC Reduce Press EPC Open Circuit
FAILURE CODE [DKUGKB] Arm IN PPC Reduce Press EPC Ground Fault
FAILURE CODE [DKUGKY] Arm IN PPC Reduce Pressure EPC Hot Short
FAILURE CODE [DKUHKA] Arm OUT PPC Reduce Press EPC Open Circuit
FAILURE CODE [DKUHKB] Arm OUT PPC Reduce Press EPC Ground Fault
FAILURE CODE [DKUHKY] Arm OUT PPC Reduce Pressure EPC Hot Short
FAILURE CODE [DKULKA] PPC Lock Relay Open Circuit
FAILURE CODE [DKULKB] PPC Lock Relay Short Circuit
FAILURE CODE [DKULKY] PPC Lock Relay Hot Short Circuit
FAILURE CODE [DKV0KA] Boom Spool Stroke Sensor 1 Open Circuit
FAILURE CODE [DKV0KY] Boom Spool Stroke Sensor 1 Hot Short Cir
FAILURE CODE [DKV1KA] Arm Spool Stroke Sensor 1 Open Circuit
FAILURE CODE [DKV1KY] Arm Spool Stroke Sensor 1 Hot Short Cir
FAILURE CODE [DKV2KA] Boom Spool Stroke Sensor 2 Open Circuit
FAILURE CODE [DKV2KY] Boom Spool Stroke Sensor 2 Hot Short Cir
FAILURE CODE [DKV3KA] Arm Spool Stroke Sensor 2 Open Circuit
FAILURE CODE [DKV3KY] Arm Spool Stroke Sensor 2 Hot Short Cir
FAILURE CODE [DKV4MA] Boom RAISE PPC Press Sensor 2 Def Function
FAILURE CODE [DKV5MA] Boom LOWER PPC Press Sensor 2 Def Function
FAILURE CODE [DKV6MA] Arm OUT PPC Press Sensor 2 Def Function
FAILURE CODE [DKV7MA] Arm IN PPC Press Sens 2 Defective Function
FAILURE CODE [DKV8MA] Bucket DUMP PPC Press Sens 2 Def Function
FAILURE CODE [DKV9MA] Bucket CURL PPC Press Sens 2 Def Function
FAILURE CODE [DKVAMA] PPC Source Press Sensor Error
FAILURE CODE [DKVBKA] Bucket CURL PPC Reduce Press EPC Open Cir
FAILURE CODE [DKVBKB] Bucket CURL PPC Reduce Press EPC Grd Fault
FAILURE CODE [DKVBKY] Bucket CURL PPC Reduce Press EPC Hot Short
FAILURE CODE [DKVCKA] Boom RAISE PPC Intervention EPC Open Cir
FAILURE CODE [DKVCKB] Boom RAISE PPC Intervention EPC Grnd Fault
FAILURE CODE [DKVCKY] Boom RAISE PPC Intervention EPC Hot Short
FAILURE CODE [DKVDKA] Boom RAISE EPC Cut Relay Open Circuit
FAILURE CODE [DKVDKB] Boom RAISE EPC Cut Relay Ground Fault
FAILURE CODE [DKVDKY] Boom RAISE EPC Cut Relay Hot Short Circuit
FAILURE CODE [DKVDMA] Boom RAISE EPC Cut Relay Error
FAILURE CODE [DLM3KA] Fan Speed Sensor Open Circuit
FAILURE CODE [DLM3KB] Fan Speed Sensor Short Circuit
FAILURE CODE [DLM3MB] Fan control:Mismatch
FAILURE CODE [DR21KX] Camera 2 Picture Reverse Drive Input Out of Range
FAILURE CODE [DR31KX] Camera 3 Picture Reverse Drive Input Out of Range
FAILURE CODE [DV20KB] Travel Alarm Short Circuit
FAILURE CODE [DW43KA] Travel Speed Solenoid Open Circuit
FAILURE CODE [DW43KB] Travel Speed Solenoid Short Circuit
FAILURE CODE [DW43KY] Travel Speed Solenoid Hot Short Circuit
FAILURE CODE [DW45KA]Swing Parking Brake Solenoid Open Circuit
FAILURE CODE [DW45KB] Swing Parking Brake Solenoid Short Circuit
FAILURE CODE [DW45KY] Swing Parking Brake Solenoid Hot Short Circuit
FAILURE CODE [DW4CKY] PPC Lock Solenoid Hot Short Circuit58 topics
  • FAILURE CODE [DW4FKA] Boom LOWER PPC Reduce Press EPC Open Cir
  • FAILURE CODE [DW4FKB] Boom LOWER PPC Reduce Press EPC Grnd Fault
  • FAILURE CODE [DW4FKY] Boom LOWER PPC Reduce Press EPC Hot Short
  • FAILURE CODE [DW4GKA] Boom RAISE PPC Reduce Pressure EPC Open Circuit
  • FAILURE CODE [DW4GKB] Boom RAISE PPC Reduce Press EPC Grnd Fault
  • FAILURE CODE [DW4GKY] Boom RAISE PPC Reduce Pressure EPC HOT Short Circuit
  • FAILURE CODE [DW4SKA] Bucket DUMP PPC Reduce Press EPC Open Cir
  • FAILURE CODE [DW4SKB] Bucket DUMP PPC Reduce Press EPC Grd Fault
  • FAILURE CODE [DW4SKY] Bucket DUMP PPC Reduce Press EPC Hot Short
  • FAILURE CODE [DW7BKA] Fan Reverse Solenoid Open Circuit
  • FAILURE CODE [DW7BKB] Fan Reverse Solenoid Short Circuit
  • FAILURE CODE [DW7BKY] Fan Reverse Solenoid Hot Short Circuit
  • FAILURE CODE [DW91KA] Travel Junction Solenoid Open Circuit
  • FAILURE CODE [DW91KB] Travel Junction Solenoid Short Circuit
  • FAILURE CODE [DW91KY] Travel Junction Solenoid Hot Short Circuit
  • FAILURE CODE [DWA2KA] Attachment Single or 2-Way Change Solenoid Open Circuit
  • FAILURE CODE [DWA2KB] Attachment Single or 2-Way Change Solenoid Short Circuit
  • FAILURE CODE [DWA2KY] Attachment Single or 2-Way Change Solenoid Hot Short Circuit
  • FAILURE CODE [DWK0KA] 2-Stage Relief Solenoid Open Circuit
  • FAILURE CODE [DWK0KB] 2-Stage Relief Solenoid Open Circuit
  • FAILURE CODE [DWK0KY] 2-Stage Relief Solenoid Hot Short Circuit
  • FAILURE CODE [DWK2KA] Variable Back Pressure Solenoid Open Circuit
  • FAILURE CODE [DWK2KB] Variable Back Pressure Solenoid Short Circuit
  • FAILURE CODE [DWK2KY] Variable Back Pressure Solenoid Hot Short Circuit
  • FAILURE CODE [DWK8KA] Swing Pressure Cutoff Solenoid Open Circuit
  • FAILURE CODE [DWK8KB] Swing Pressure Cutoff Solenoid Short Circuit
  • FAILURE CODE [DWK8KY] Swing Pressure Cutoff Solenoid Hot Short Circuit
  • FAILURE CODE [DX16KA] Fan Pump EPC Solenoid Open Circuit
  • FAILURE CODE [DX16KB] Fan Pump EPC Solenoid Short Circuit
  • FAILURE CODE [DXA8KA] Front Pump PC-EPC Solenoid Open Circuit
  • FAILURE CODE [DXA8KB] Front Pump PC-EPC Solenoid Short Circuit
  • FAILURE CODE [DXA9KA] Rear Pump PC-EPC Solenoid Open Circuit
  • FAILURE CODE [DXA9KB] Rear Pump PC-EPC Solenoid Short Circuit
  • FAILURE CODE [DXE0KA] LS-EPC Solenoid Open Circuit
  • FAILURE CODE [DXE0KB] LS-EPC Solenoid Short Circuit
  • FAILURE CODE [DXE4KA] Attachment Flow Regulating EPC Solenoid Open Circuit
  • FAILURE CODE [DXE4KB] Attachment Flow Regulating EPC Solenoid Short Circuit
  • FAILURE CODE [DXE4KY] Attachment Flow EPC Hot Short Circuit
  • FAILURE CODE [DXE5KA] Merge-divider Main Solenoid Open Circuit
  • FAILURE CODE [DXE5KB] Merge-divider Main Solenoid Short Circuit
  • FAILURE CODE [DXE6KA] Merge-divider LS Solenoid Open Circuit
  • FAILURE CODE [DXE6KB] Merge-divider LS Solenoid Short Circuit
  • FAILURE CODE [DXE7KA] Attachment Flow Regulating EPC 2 Solenoid Open Circuit
  • FAILURE CODE [DXE7KB] Attachment Flow Regulating EPC 2 Solenoid Short Circuit
  • FAILURE CODE [DXE7KY] Attachment Flow Regulating EPC 2 Hot Short Circuit
  • FAILURE CODE [DXE8KA] Attachment Flow Regulating EPC 3 Solenoid Open Circuit
  • FAILURE CODE [DXE8KB] Attachment Flow Regulating EPC 3 Solenoid Short Circuit
  • FAILURE CODE [DXE8KY] Attachment Flow Regulating EPC 3 Hot Short Circuit
  • FAILURE CODE [DXE9KA] Attachment Flow Regulating EPC 4 Solenoid Open Circuit
  • FAILURE CODE [DXE9KB] Attachment Flow Regulating EPC 4 Solenoid Short Circuit
  • FAILURE CODE [DXE9KY] Attachment Flow Regulating EPC 4 Hot Short Circuit
  • FAILURE CODE [DXEAKA] Attachment Flow Regulating EPC 5 Solenoid Open Circuit
  • FAILURE CODE [DXEAKB] Attachment Flow Regulating EPC 5 Solenoid Short Circuit
  • FAILURE CODE [DXEAKY] Attachment Flow Regulating EPC 5 Hot Short Circuit
  • FAILURE CODE [DY20KA]Wiper Motor Open Circuit
  • FAILURE CODE [DY20MA] Wiper Motor Defective Function
  • FAILURE CODE [DY2CKB] Washer Motor Short Circuit
  • FAILURE CODE [DY2DKB] Wiper Motor (Normal Rotation) Short Circuit
FAILURE CODE [DY2EKB] Wiper Motor (Reverse Rotation) Short Circuit
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)
ENGINE DOES NOT START (ENGINE DOES NOT CRANK)
MANUAL PREHEATING SYSTEM DOES NOT WORK
AUTOMATIC PREHEATING SYSTEM DOES NOT WORK
WHILE PREHEATING IS WORKING, PREHEATING MONITOR DOES NOT LIGHT UP4 topics
  • NOTHING
  • GINE OIL LEVEL MONITOR LIGHTS UP IN YELLOW
  • TOR COOLANT LEVEL MONITOR LIGHTS UP IN YELLOW
  • NING
CHARGE LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
FUEL LEVEL MONITOR LIGHTS UP IN RED WHILE ENGINE IS RUNNING
FUEL GAUGE DISPLAY DOES NOT MOVE FROM MINIMUM OR MAXIMUM
DISPLAY OF FUEL GAUGE DIFFERS FROM ACTUAL FUEL LEVEL4 topics
  • OR MAXIMUM
  • ANT TEMPERATURE
  • MAXIMUM
  • PERATURE
SOME AREAS OF MACHINE MONITOR SCREEN ARE NOT DISPLAYED
FUNCTION SWITCH DOES NOT OPERATE
AUTOMATIC WARM-UP SYSTEM DOES NOT WORK (IN COLD WEATHER)1 topic
  • DOES NOT LIGHT UP OR DOES NOT GO OFF
AUTO-DECELERATOR IS NOT OPERATED OR CANCELED WITH LEVER3 topics
  • NOT DISPLAYED
  • NOT CHANGED
  • CHANGE
ALARM BUZZER CANNOT BE CANCELED
SERVICE MODE CANNOT BE SELECTED
ALL OF WORK EQUIPMENTS, SWING, AND TRAVEL MECHANISM DO NOT MOVE
ALL OF WORK EQUIPMENT, SWING, AND TRAVEL MECHANISM DO NOT LOCK7 topics
  • SWING
  • BRAKE DOES NOT OPERATE
  • CATOR NOT DISPLAYED ON MONITOR
  • ONE-TOUCH POWER MAXIMIZING FUNCTION IS NOT CANCELLED
  • ALARM DOES NOT SOUND DURING TRAVEL
  • ALARM DOES NOT STOP SOUNDING WHILE MACHINE IS STOPPED
  • HORN DOES NOT SOUND

Inside this manual

Real pages from this service manual (3,645 pages). Open the sample pages (PDF, 1012 KB)

Sample pages from the Komatsu PC490LCi-11 with 6D125E-7 Engine Hydraulic Excavator Service Manual: Troubleshooting, Diagram, Specifications, Color page, Color page, Foldout diagram
  • Troubleshooting, page 1,940: FAILURE CODE [CA4169] AdBlue/DEF Pump Heater OFF Stuck Error
  • Diagram, page 2,388: Circuit diagram related to variable back pressure solenoid
  • Specifications, page 3,116: 11. Install the cover (1b) with the bolts (1a) (2 pieces).
  • Color page, page 148: 6: Battery
  • Color page, page 473: 18:Control valve
  • Foldout diagram, page 3,592: ELECTRICAL CIRCUIT DIAGRAM (1/13)

This is a service manual

Here's how it compares to the other manual types.

This manual

Service manual

Factory repair procedures and technical information such as specifications, troubleshooting, and wiring and hydraulic diagrams, for the models and systems the manual covers. See What's inside for its topics.

Operator's manual

Safe operation, controls, maintenance schedules, lubrication points, inspections, and basic checks. Repair procedures are in the service manual.

Parts manual

Illustrated diagrams with factory part numbers for identifying components and ordering parts. Repair procedures are in the service manual.

Engine service manuals are sometimes sold separately, since certain machine models were offered with more than one engine option.

What it's used for

Factory manual for in-house farm and construction shop use. Straightforward, complete, and easy to follow. It contains the OEM information dealership service departments and parts counters use to diagnose problems, identify components, and perform maintenance or repairs correctly.

Service shops and owner/operators who repair their own equipment

Identifying correct parts and seeing how assemblies come apart and go back together

Keeping equipment running with less downtime

Factory manual, 3,645 pages

Quantity one is the manual described above.

Fast free USA shipping

Ships in 1 business day.

60-day returns

Free if the mistake is ours. A manual ordered in error must come back unopened in its shrink-wrap; you pay return shipping and a 20% restocking fee applies. Return policy

Binder not included

Manuals over about 300 pages may need a standard 3-ring binder, which you can buy locally to keep the pages organized for shop use.

Other editions and similar models

Komatsu PC490LCi-11Operation & Maintenance Manual · CEAM032400 · $69.69Komatsu PC490LCi-11Operation & Maintenance Manual · TEN00734-02 · $69.95Komatsu PC490LC-11 with 6D125E-7 EngineService Manual · CEBM028303 · $279.57Komatsu WA470-8 with 6D125E-7 EngineService Manual · CEBM030000 · $339.89

Questions about model, serial number, engine coverage or contents? Contact us before purchasing and we'll help confirm it's the right manual. Please verify the manual type, machine model, serial number range and engine coverage before purchasing: manuals ordered in error carry a 20% restocking fee (return policy).