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Komatsu WA470-8 with 6D125E-7 Engine Wheel Loader Service Manual

3,341 pages · Publication CEBM030000

$339.89
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Models
WA470-8 with 6D125E-7 Engine
Serial coverage
A49001 and up
Manual type
Service Manual
Pages
3,341
Publication
CEBM030000
Condition
Brand new
Komatsu WA470-8 with 6D125E-7 Engine Wheel Loader Service Manual, publication CEBM030000

What's inside

From the manual's own table of contents: 378 sections, 700 entries. See sample pages (PDF, 960 KB)

INDEX AND FOREWORD
FOREWORD, SAFETY, BASIC INFORMATION
HOW TO READ THE SHOP MANUAL
SAFETY NOTICE FOR OPERATION
PRECAUTIONS TO PREVENT FIRE
ACTION 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
EXPLANATION OF TERMS FOR MAINTENANCE STANDARD
Show all 378 sections
ABBREVIATION LIST
STANDARD TIGHTENING TORQUE TABLE
CONVERSION TABLE
SPECIFICATIONS
SPECIFICATION DRAWING
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
PREHEATING SYSTEM
ENGINE SYSTEM
LAYOUT DRAWING OF ENGINE RELATED PARTS
ENGINE CONTROL SYSTEM
ENGINE POWER MODE SELECTOR SYSTEM
AUTOMATIC IDLE STOP SYSTEM
COMPONENT PARTS OF ENGINE SYSTEM
COOLING SYSTEM
LAYOUT DRAWING OF COOLING SYSTEM2 topics
  • COOLING FAN CONTROL SYSTEM
  • COMPONENT PARTS OF COOLING SYSTEM
CONTROL SYSTEM5 topics
  • LAYOUT DRAWING OF CONTROL SYSTEM PARTS
  • MACHINE MONITOR SYSTEM
  • REARVIEW MONITOR SYSTEM
  • KOMTRAX SYSTEM
  • COMPONENT PARTS OF CONTROL SYSTEM
HYDRAULIC SYSTEM4 topics
  • LAYOUT DRAWING OF HYDRAULIC SYSTEM
  • CLSS
  • WORK EQUIPMENT PUMP AND STEERING PUMP CONTROL SYSTEM
  • COMPONENT PARTS OF HYDRAULIC SYSTEM
POWER TRAIN SYSTEM8 topics
  • LAYOUT DRAWING OF POWER TRAIN SYSTEM
  • OPERATION OF POWER TRAIN SYSTEM
  • TRANSMISSION CONTROL SYSTEM
  • TRANSMISSION GEAR SHIFT CONTROL SYSTEM
  • TRANSMISSION PROTECTION FUNCTION
  • DIRECTIONAL SELECTOR SWITCH CONTROL FUNCTION
  • TRANSMISSION CUT-OFF FUNCTION
  • COMPONENT PARTS OF POWER TRAIN SYSTEM
WORK EQUIPMENT SYSTEM9 topics
  • LAYOUT DRAWING OF WORK EQUIPMENT SYSTEM
  • WORK EQUIPMENT SYSTEM DIAGRAM
  • WORK EQUIPMENT CONTROL SYSTEM
  • WORK EQUIPMENT NEUTRAL LOCK SYSTEM
  • REMOTE POSITIONER SYSTEM
  • BUCKET POSITIONER AND BOOM POSITIONER
  • SEMI AUTO-DIGGING SYSTEM
  • ECSS
  • COMPONENT PARTS OF WORK EQUIPMENT SYSTEM
STEERING SYSTEM5 topics
  • LAYOUT DRAWING OF STEERING SYSTEM
  • SECONDARY STEERING SYSTEM
  • JOYSTICK STEERING SYSTEM
  • STEERING COLUMN
  • COMPONENT PARTS OF STEERING SYSTEM
BRAKE SYSTEM3 topics
  • LAYOUT DRAWING OF BRAKE SYSTEM
  • PARKING BRAKE CONTROL SYSTEM
  • COMPONENT PARTS OF BRAKE SYSTEM
UNDERCARRIAGE AND FRAME2 topics
  • FRAME, AXLE MOUNT AND CENTER HINGE PIN
  • TIRE
WORK EQUIPMENT2 topics
  • STRUCTURE OF WORK EQUIPMENT
  • STRUCTURE OF BUCKET
CAB AND ITS ATTACHMENTS1 topic
  • ROPS CAB
STANDARD VALUE TABLE
STANDARD VALUE TABLE FOR ENGINE1 topic
  • STANDARD VALUE TABLE FOR ENGINE: WA470-8
STANDARD VALUE TABLE FOR MACHINE1 topic
  • STANDARD VALUE TABLE FOR MACHINE: WA470-8
STANDARD VALUE TABLE FOR ELECTRICAL1 topic
  • STANDARD VALUE TABLE FOR ELECTRICITY
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
TESTING EXHAUST GAS TEMPERATURE
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
BLEEDING AIR FROM FUEL SYSTEM
TEST FUEL CIRCUIT FOR LEAKAGE
HANDLE CYLINDER CUT-OUT MODE OPERATION
HANDLE NO-INJECTION CRANKING OPERATION
TEST KDPF, SCR AND MUFFLER STACK FOR LOOSENESS AND DAMAGE
TEST INSTALLED CONDITION OF CYLINDER HEADS AND MANIFOLDS
TEST ENGINE PIPING FOR DAMAGE AND LOOSENESS
TEST AND ADJUST AIR CONDITIONER COMPRESSOR BELT TENSION
CLEAN FUEL DOSER
WRITE INJECTOR COMPENSATION VALUE TO ENGINE CONTROLLER
WRITE ASH IN SOOT ACCUMULATION CORRECTION TO ENGINE CONTROLLER
TEST SCR RELATED FUNCTIONS
CLEAN AdBlue/DEF TANK
POWER TRAIN
TEST AND ADJUST POWER TRAIN OIL PRESSURE
ADJUST TRANSMISSION OUTPUT SHAFT SPEED SENSOR
ADJUST TRANSMISSION INPUT SPEED SENSOR
FLUSH TORQUE CONVERTER AND TRANSMISSION HYDRAULIC CIRCUIT
MOVE DISABLED MACHINE DUE TO TRANSMISSION VALVE FAILURE
TEST OIL LEAKAGE FROM AXLE FINAL DRIVE
TEST DRIVE SHAFT FOR LOOSENESS, BACKLASH, AND DAMAGE
TEST STEERING WHEEL
TEST AND ADJUST STEERING CIRCUIT OIL PRESSURE
BLEED AIR FROM STEERING CYLINDER CIRCUIT
TEST AND ADJUST STEERING STOP VALVE
RELEASE REMAINING PRESSURE IN BRAKE ACCUMULATOR CIRCUIT
TEST WHEEL BRAKE OIL PRESSURE
TEST AND ADJUST ACCUMULATOR CHARGE PRESSURE
TEST AND CHARGE ACCUMULATOR NITROGEN GAS PRESSURE
TEST BRAKING PERFORMANCE
TEST BRAKE PEDAL
BLEED AIR FROM BRAKE CIRCUIT
TEST AND ADJUST BRAKE PEDAL AND LINKAGE
TEST LOWERING OF WHEEL BRAKE PRESSURE
TEST WEAR OF WHEEL BRAKE DISC
TEST PARKING BRAKE OIL PRESSURE
TEST PARKING BRAKE PERFORMANCE
RELEASE PARKING BRAKE MANUALLY
TEST WEAR AMOUNT OF PARKING BRAKE DISC12 topics
  • RELEASE REMAINING PRESSURE FROM WORK EQUIPMENT CIRCUIT
  • TEST AND ADJUST WORK EQUIPMENT OIL PRESSURE
  • TEST AND ADJUST WORK EQUIPMENT EPC OIL PRESSURE
  • BLEED AIR FROM WORK EQUIPMENT CIRCUIT
  • TEST COOLING FAN SPEED
  • TEST COOLING FAN CIRCUIT OIL PRESSURE
  • BLEED AIR FROM HYDRAULIC FAN CIRCUIT
  • NITROGEN GAS
  • TEST AND ADJUST BUCKET POSITIONER DETECTION LEVER
  • TEST AND ADJUST BOOM POSITION DETECTION LEVER
  • TEST DIRECTIONAL LEVER
  • TEST WORK EQUIPMENT CONTROL LEVER
ELECTRICAL SYSTEM7 topics
  • SET AND ADJUST EACH EQUIPMENT
  • 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
Pm CLINIC1 topic
  • Pm CLINIC SERVICE
TROUBLESHOOTING
RELATED INFORMATION ON TROUBLESHOOTING18 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
  • ELECTRICAL SYSTEM TROUBLESHOOTING - PREPARATION
  • PROCEDURE FOR TESTING AND TROUBLESHOOTING
  • SYMPTOM AND TROUBLESHOOTING NUMBERS
  • INFORMATION IN TROUBLESHOOTING TABLE
  • CONNECTORS LIST AND LAYOUT
  • CONNECTOR PIN NUMBERS - CONNECTION TABLE
  • AND T-ADAPTERS LIST
  • FUSE LOCATION TABLE
  • PRECAUTIONS FOR KDPF (KCSF, KDOC) CLEANING AND CHANGE
  • PREPARATION FOR TROUBLESHOOTING OF MACHINE MONITOR
  • PROCEDURES FOR CREATING HARNESS CHECKER ON MACHINE MONITOR LCD UNIT
  • FAILURE CODES TABLE
TROUBLESHOOTING BY FAILURE CODE (DISPLAY OF CODE)8 topics
  • FAILURE CODE [1500L0] T/M Clutches Double Engagement
  • FAILURE CODE [15SAL1] ECMV Release Trouble (Forward)
  • FAILURE CODE [15SALH] ECMV Engage Trouble (Forward)
  • FAILURE CODE [15SBL1] ECMV Release Trouble (Reverse Clutch)
  • FAILURE CODE [15SBLH] ECMV Engage Trouble (Reverse)
  • FAILURE CODE [15SEL1] ECMV Release Trouble (1st Clutch)
  • FAILURE CODE [15SELH] ECMV Engage Trouble (1st)
  • FAILURE CODE [15SFL1] ECMV Release Trouble (2nd Clutch)
FAILURE CODE [15SFLH] ECMV Engage Trouble (2nd)
FAILURE CODE [15SGL1] ECMV Release Trouble (3rd Clutch)
FAILURE CODE [15SGLH] ECMV Engage Trouble (3rd)
FAILURE CODE [15SHL1] ECMV Release Trouble (4th)
FAILURE CODE [15SHLH] ECMV Engage Trouble (4th)
FAILURE CODE [2F00MA] Parking Brake Defective Function
FAILURE CODE [2F00MB] Malfunction of Parking Brake
FAILURE CODE [2G42ZG] Accumulator Oil Pressure Low (Front)
FAILURE CODE [2G43ZG] Accumulator Oil Pressure Low (Rear)
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 [989A00] Engine Overrun
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 [AA10NX] Air Cleaner Clogging
FAILURE CODE [AB00KE] Charge Voltage Low
FAILURE CODE [AB00KY] Hot Short of Alternator R Terminal
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] Engine Coolant Level Low
FAILURE CODE [B@CENS] Power Train Oil Overheat
FAILURE CODE [B@HANS] Hydraulic 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 Error58 topics
  • 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 [CA431] Idle Validation Sw Error
  • FAILURE CODE [CA432] Idle Validation Process 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 Error
  • 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 Circuit Error
FAILURE CODE [CA2266] Fuel Feed Pump Short Circuit 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 Error58 topics
  • 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 Error
  • 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 [D150KA] Secondary S/T Motor Relay Output Open Circuit
FAILURE CODE [D150KB] Secondary S/T Motor Relay Output Ground Fault
FAILURE CODE [D150KY] Secondary S/T Motor Relay Output Hot Short Circuit
FAILURE CODE [D160KA] Backup Lamp Relay Output Open Circuit
FAILURE CODE [D160KB] Backup Lamp Relay Output Ground Fault
FAILURE CODE [D160KY] Backup Lamp Relay Output Hot Short Circuit
FAILURE CODE [D191KA] Neutral Relay Output Open Circuit58 topics
  • FAILURE CODE [D191KB] Neutral Relay Output Ground Fault
  • FAILURE CODE [D191KY] Neutral Relay Output Hot Short Circuit
  • FAILURE CODE [D192KA] ECSS Solenoid Open Circuit
  • FAILURE CODE [D192KB] ECSS Solenoid Ground Fault
  • FAILURE CODE [D192KY] ECSS Solenoid Hot Short Circuit
  • FAILURE CODE [D19JKZ] Personal Code Relay Open Circuit or Short Circuit
  • FAILURE CODE [D1E6KA] Parking Brake Relay Open Circuit
  • FAILURE CODE [D1E6KB] Parking Brake Relay Ground Fault
  • FAILURE CODE [D1E6KY] Parking Brake Relay Hot Short Circuit
  • FAILURE CODE [D5ZHKA] Key SW C Terminal Signal Open Circuit or Ground Fault
  • FAILURE CODE [D5ZHKB] Key SW C Terminal Signal Short Circuit
  • FAILURE CODE [D5ZHKZ] Key SW C Terminal Signal Open Circuit or Short Circuit
  • FAILURE CODE [D5ZHL6] Key SW C Terminal Signal Mismatch
  • 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 [D8AQK4] CAN 2 Uncontrolled Communication (KOMTRAX)
  • FAILURE CODE [D8AQKR] CAN 2 Defective Communication (KOMTRAX)
  • FAILURE CODE [DAF0KT] Monitor Nonvolatile Memory Abnormality
  • FAILURE CODE [DAF0MB] Monitor ROM Abnormality
  • FAILURE CODE [DAF0MC] Monitor Malfunction
  • FAILURE CODE [DAF3KK] Main Power Voltage Low Error (Monitor)
  • FAILURE CODE [DAF8KB] Camera Power Supply Short Circuit
  • FAILURE CODE [DAFDKB] 12V Power Output Hot Short Circuit or Ground Fault (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 [DAQ0KK] Main Power Voltage Low Error (T/M Controller)
  • FAILURE CODE [DAQ0KT] Read Only Memory Abnormality (T/M Controller)
  • FAILURE CODE [DAQ0MC] T/M Controller Malfunction
  • FAILURE CODE [DAQ1KA] Key SW ACC Signal Open Circuit (T/M Controller)
  • FAILURE CODE [DAQ2KK] Solenoid Power Voltage Low Error (T/M Controller)
  • FAILURE CODE [DAQ4KB] Self-holding Relay Output Ground Fault (T/M Controller)
  • FAILURE CODE [DAQ9KQ] Model Selection Signal Mismatch (T/M Controller)
  • FAILURE CODE [DAQLKA] System Operating Lamp Open Circuit (T/M Controller)
  • FAILURE CODE [DAQLKB] System Operating Lamp Short Circuit (T/M Controller)
  • FAILURE CODE [DAQQKR] CAN2 Defective Communication (T/M Controller)
  • FAILURE CODE [DAQRKR] CAN1 Defective Communication (T/M Controller)
  • FAILURE CODE [DAQRMA] Option Selection Mismatch (T/M Controller)
  • 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 [DB90KK] Main Power Voltage Low Error (W/E Controller)
  • FAILURE CODE [DB90KT] Read Only Memory Abnormality (W/E Controller)
  • FAILURE CODE [DB90MC] W/E Controller Malfunction
  • FAILURE CODE [DB91KA] Key SW ACC Signal Open Circuit (W/E Controller)
  • FAILURE CODE [DB92KK] Solenoid Power Voltage Low Error (W/E Controller)
  • FAILURE CODE [DB95KX] Failure of 5V Power Source 1
  • FAILURE CODE [DB96KX] 5V Sensor Power Supply 2 Voltage out of Range (W/E Controller)
  • FAILURE CODE [DB99KQ] Model Selection Signal Mismatch (W/E Controller)
  • FAILURE CODE [DB9LKA] System Operating Lamp Open Circuit (W/E Controller)
  • FAILURE CODE [DB9LKB] System Operating Lamp Short Circuit (W/E Controller)
  • FAILURE CODE [DB9QKR] CAN 2 Defective Communication (W/E Controller)
  • FAILURE CODE [DB9RKR] CAN 1 Defective Communication (W/E Controller)
  • FAILURE CODE [DB9RMA] Option Selection Mismatch (W/E Controller)
FAILURE CODE [DBE5KX] 5V Sensor Power Supply Voltage out of Range (T/M Controller)
FAILURE CODE [DBE6KX] 24V Sensor Power Supply Ground Fault (T/M Controller)
FAILURE CODE [DD1ALD] Remote Positioner Set SW Ground Fault
FAILURE CODE [DDAAL6] Engine Shutdown Secondary SW Signal Open Circuit
FAILURE CODE [DDB6L4] Neutrizer Signal Mismatch
FAILURE CODE [DDD1LD] Bucket Positioner Set SW Ground Fault
FAILURE CODE [DDK3KA] Directional SW Signal Open Circuit (S/T Wheel Specification)
FAILURE CODE [DDK3KB] Directional SW Signal Short Circuit (S/T Wheel Specification)
FAILURE CODE [DDK6KA] Directional Lever Signal Open Circuit
FAILURE CODE [DDK6KB] Directional Lever Signal Short Circuit
FAILURE CODE [DDKLKA] Failure of J/S ON/OFF Switch
FAILURE CODE [DDKLKB] Hot Short of J/S ON/OFF Switch
FAILURE CODE [DDNRKY] W/E Lock SW Hot Short Circuit
FAILURE CODE [DDT0L4] Shift Mode Select SW Signal Hot Short Circuit
FAILURE CODE [DDT4LD] T/M Cut off Set SW Ground Fault
FAILURE CODE [DDT9LD] T/M Cut off SW Ground Fault
FAILURE CODE [DDTALD] Ground Fault of Torque Converter Lock Up SW
FAILURE CODE [DDW9LD] Kickdown SW Ground Fault
FAILURE CODE [DDWLLD] T/M Shift Hold SW Ground Fault
FAILURE CODE [DF10KA] T/M Shift Lever Input Signal Open Circuit
FAILURE CODE [DF10KB] T/M Shift Lever Input Signal Short Circuit
FAILURE CODE [DGF1KA] T/M Oil Temperature Sensor Open Circuit
FAILURE CODE [DGF1KB] T/M Oil Temperature Sensor Ground Fault
FAILURE CODE [DGH2KX] Hydraulic Oil Temperature Sensor Input Signal Out of Range
FAILURE CODE [DGR2KB] Brake Oil Temperature Sensor Ground Fault (Rear)
FAILURE CODE [DGT1KA] T/C Oil Temperature Sensor Open Circuit
FAILURE CODE [DGT1KB] T/C Oil Temperature Sensor Ground Fault
FAILURE CODE [DH21KA] Loader Pump Pressure Sensor Open Circuit or Ground Fault
FAILURE CODE [DH21KB] Loader Pump Pressure Sensor Short Circuit
FAILURE CODE [DHA4KA] Air Cleaner Clogging Sensor Open Circuit
FAILURE CODE [DHAAMA] KDPF Differential Pressure Sensor Frozen
FAILURE CODE [DHACMA] KDPF Outlet Pressure Sensor Frozen
FAILURE CODE [DHT1KX] T/M Cut Off Pressure Sensor Input Signal Out of Range
FAILURE CODE [DHT5KX] T/C Oil Pressure Sensor Input Signal Out of Range (Inlet)
FAILURE CODE [DHT7KX] T/C Oil Pressure Sensor Input Signal Out of Range (Outlet)
FAILURE CODE [DHT8KA] S/T Oil Pressure Sensor Open Circuit or Ground Fault
FAILURE CODE [DHT8KB] S/T Oil Pressure Sensor Short Circuit
FAILURE CODE [DHT8ZG] S/T Oil Pressure Low
FAILURE CODE [DHUDKB] Secondary S/T Pump Pressure Sensor Short Circuit
FAILURE CODE [DJF1KA] Fuel Level Sensor Open Circuit
FAILURE CODE [DK55KA] Directional Lever Potentiometer Open Circuit or Groud Fault
FAILURE CODE [DK55KY] Directional Lever Potentiometer Hot Short Circuit
FAILURE CODE [DK55L5] Directional Lever SW and Potentiometer Input Signal Mispatch
FAILURE CODE [DK59KA] Boom Lever Potentiometer Open Circuit or Ground Fault (Main)
FAILURE CODE [DK59KY] Boom Lever Potentiometer Hot Short Circuit (Main)
FAILURE CODE [DK59L8] Boom Lever Potentiometer Main or Sub Signal Abnormality
FAILURE CODE [DK5AKA] Boom Lever Potentiometer Open Circuit or Ground Fault (Sub)
FAILURE CODE [DK5AKY] Boom Lever Potentiometer Hot Short Circuit (Sub)
FAILURE CODE [DK5BKA] Bucket Lever Potentiometer Open Circuit or Ground Fault (Main)
FAILURE CODE [DK5BKY] Bucket Lever Potentiometer Hot Short Circuit (Main)
FAILURE CODE [DK5BL8] Bucket Lever Potentiometer Main or Sub Signal Abnormality58 topics
  • FAILURE CODE [DK5CKA] Bucket Lever Potentiometer Open Circuit or Ground Fault (Sub)
  • FAILURE CODE [DK5CKY] Bucket Lever Potentiometer Hot Short Circuit (Sub)
  • FAILURE CODE [DK5DKA] 3rd Lever Potentiometer Open Circuit or Ground Fault (Main)
  • FAILURE CODE [DK5DKY] 3rd Lever Potentiometer Hot Short Circuit (Main)
  • FAILURE CODE [DK5DL8] 3rd Lever Potentiometer Main or Sub Signal Abnormality
  • FAILURE CODE [DK5EKA] 3rd Lever Potentiometer Open Circuit or Ground Fault (Sub)
  • FAILURE CODE [DK5EKY] 3rd Lever Potentiometer Hot Short Circuit (Sub)
  • FAILURE CODE [DKA0KA] Boom Angle Sensor Open Circuit or Ground Fault
  • FAILURE CODE [DKA0KY] Boom Angle Sensor Hot Short Circuit
  • FAILURE CODE [DKA0L0] Boom Angle Sensor Dislocation
  • FAILURE CODE [DKA1KA] Bucket Angle Sensor Open Circuit or Ground Fault
  • FAILURE CODE [DKA1KY] Bucket Angle Sensor Hot Short Circuit
  • FAILURE CODE [DLF1KA] T/M Input Speed Sensor Open Circuit
  • FAILURE CODE [DLF1LC] T/M Input Speed Sensor Hot Short Circuit or Ground Fault
  • FAILURE CODE [DLM3KA] Radiator Fan Speed Sensor Open Circuit or Hot Short Circuit
  • FAILURE CODE [DLM3LC] Radiator Fan Speed Sensor Signal Abnormality
  • FAILURE CODE [DLT3KA] T/M Output Speed Sensor Open Circuit (Main)
  • FAILURE CODE [DLT3LC] T/M Output Speed Sensor Signal Abnormality (Main)
  • FAILURE CODE [DPQ1KR] LIN Defective Communication (Switch Panel)
  • FAILURE CODE [DPQ2KR] LIN Defective Communication (LED Unit)
  • FAILURE CODE [DPQ3KR] LIN Defective Communication (Rearview Monitor)
  • FAILURE CODE [DSJ0KR] CAN 2 Defective Communication (Meter Unit)
  • FAILURE CODE [DT20KB] T/M Cut Off Indicator Output Ground Fault
  • FAILURE CODE [DT22KB] W/E Lock SW Indicator Ground Fault
  • FAILURE CODE [DT23KB] J/S Effective Indicator Output Ground Fault
  • FAILURE CODE [DV00KB] Buzzer Output Ground Fault
  • FAILURE CODE [DW4PKA] Boom RAISE EPC Solenoid Open Circuit
  • FAILURE CODE [DW4PKB] Boom RAISE EPC Solenoid Ground Fault
  • FAILURE CODE [DW4PKY] Boom RAISE EPC Solenoid Hot Short Circuit
  • FAILURE CODE [DW4QKA] Boom LOWER EPC Solenoid Open Circuit
  • FAILURE CODE [DW4QKB] Boom LOWER EPC Solenoid Ground Fault
  • FAILURE CODE [DW4QKY] Boom LOWER EPC Solenoid Hot Short Circuit
  • FAILURE CODE [DW4RKA] Bucket TILT EPC Solenoid Open Circuit
  • FAILURE CODE [DW4RKB] Bucket TILT EPC Solenoid Ground Fault
  • FAILURE CODE [DW4RKY] Bucket TILT EPC Solenoid Hot Short Circuit
  • FAILURE CODE [DW4SKA] Bucket DUMP EPC Solenoid Open Circuit
  • FAILURE CODE [DW4SKB] Bucket DUMP EPC Solenoid Ground Fault
  • FAILURE CODE [DW4SKY] Bucket DUMP EPC Solenoid Hot Short Circuit
  • FAILURE CODE [DW7BKA] Radiator Fan Reverse Solenoid Open Circuit
  • FAILURE CODE [DW7BKB] Radiator Fan Reverse Solenoid Ground Fault
  • FAILURE CODE [DW7BKY] Radiator Fan Reverse Solenoid Hot Short Circuit
  • FAILURE CODE [DWM1KA] W/E Neutral Lock Solenoid Open Circuit
  • FAILURE CODE [DWM1KB] W/E Neutral Lock Solenoid Ground Fault
  • FAILURE CODE [DWM1KY] W/E Neutral Lock Solenoid Hot Short Circuit
  • FAILURE CODE [DWN6KA] Boom Detent Solenoid Open Circuit
  • FAILURE CODE [DWN6KB] Boom Detent Solenoid Ground Fault
  • FAILURE CODE [DWN6KY] Boom Detent Solenoid Hot Short Circuit
  • FAILURE CODE [DWN8KA] Bucket Detent Solenoid Open Circuit
  • FAILURE CODE [DWN8KB] Bucket Detent Solenoid Ground Fault
  • FAILURE CODE [DWN8KY] Bucket Detent Solenoid Hot Short Circuit
  • FAILURE CODE [DX16KA] Radiator Fan Pump EPC Solenoid Open Circuit
  • FAILURE CODE [DX16KB] Radiator Fan Pump EPC Solenoid Ground Fault
  • FAILURE CODE [DX16KY] Radiator Fan Pump EPC Solenoid Hot Short Circuit
  • FAILURE CODE [DXA1KA] Loader Pump EPC Solenoid Open Circuit
  • FAILURE CODE [DXA1KB] Loader Pump EPC Solenoid Ground Fault
  • FAILURE CODE [DXA1KY] Loader Pump EPC Solenoid Hot Short Circuit
  • FAILURE CODE [DXANKA] S/T Pump EPC Solenoid Open Circuit
  • FAILURE CODE [DXANKB] S/T Pump EPC Solenoid Ground Fault
FAILURE CODE [DXANKY] S/T Pump EPC Solenoid Hot Short Circuit
FAILURE CODE [DXH1KA] ECMV Solenoid Open Circuit (Lockup Clutch)
FAILURE CODE [DXH1KB] ECMV Solenoid Ground Fault (Lockup Clutch)
FAILURE CODE [DXH1KY] ECMV Solenoid Hot Short Circuit (Lockup Clutch)
FAILURE CODE [DXH4KA] ECMV Solenoid Open Circuit (1st Clutch)
FAILURE CODE [DXH4KB] ECMV Solenoid Ground Fault (1st Clutch)
FAILURE CODE [DXH4KY] ECMV Solenoid Hot Short Circuit (1st Clutch)
FAILURE CODE [DXH5KA] ECMV Solenoid Open Circuit (2nd Clutch)
FAILURE CODE [DXH5KB] ECMV Solenoid Ground Fault (2nd Clutch)
FAILURE CODE [DXH5KY] ECMV Solenoid Hot Short Circuit (2nd Clutch)
FAILURE CODE [DXH6KA] ECMV Solenoid Open Circuit (3rd Clutch)
FAILURE CODE [DXH6KB] ECMV Solenoid Ground Fault (3rd Clutch)
FAILURE CODE [DXH6KY] ECMV Solenoid Hot Short Circuit (3rd Clutch)
FAILURE CODE [DXH7KA] ECMV Solenoid Open Circuit (Reverse Clutch)
FAILURE CODE [DXH7KB] ECMV Solenoid Ground Fault (Reverse Clutch)
FAILURE CODE [DXH7KY] ECMV Solenoid Hot Short Circuit (Reverse Clutch)
FAILURE CODE [DXH8KA] ECMV Solenoid Open Circuit (Forward Clutch)
FAILURE CODE [DXH8KB] ECMV Solenoid Ground Fault (Forward Clutch)
FAILURE CODE [DXH8KY] ECMV Solenoid Hot Short Circuit (Forward Clutch)
FAILURE CODE [DXHHKA] ECMV Solenoid Open Circuit (4th Clutch)
FAILURE CODE [DXHHKB] ECMV Solenoid Ground Fault (4th Clutch)
FAILURE CODE [DXHHKY] ECMV Solenoid Hot Short Circuit (4th Clutch)
FAILURE CODE [DXHJKA] 3rd Spool Extend EPC Solenoid Open Circuit
FAILURE CODE [DXHJKB] 3rd Spool Extend EPC Solenoid Ground Fault
FAILURE CODE [DXHJKY] 3rd Spool Extend EPC Solenoid Hot Short Circuit
FAILURE CODE [DXHKKA] 3rd Spool Retract EPC Solenoid Open Circuit
FAILURE CODE [DXHKKB] 3rd Spool Retract EPC Solenoid Ground Fault
FAILURE CODE [DXHKKY] 3rd Spool Retract EPC Solenoid Hot Short Circuit
FAILURE CODE [DY30MA] Secondary S/T Release Trouble
FAILURE CODE [DY30MC] Secondary S/T Defective Activation
FAILURE CODE [DY30ME] Secondary S/T Long Time Activated
FAILURE CODE [LA00L3] Fan Reverse Defective Control
TROUBLESHOOTING OF ELECTRICAL SYSTEM (E-MODE)

Inside this manual

Real pages from this service manual (3,341 pages). Open the sample pages (PDF, 960 KB)

Sample pages from the Komatsu WA470-8 with 6D125E-7 Engine Wheel Loader Service Manual: Diagram, Troubleshooting, Specifications, Color page, Color page, Foldout diagram
  • Diagram, page 1,105: Circuit diagram related to evaporator temperature sensor electrical circuit
  • Troubleshooting, page 1,462: Check that this failure code is cleared.
  • Specifications, page 3,196: SPECIFICATIONS OF AIR CONDITIONER
  • Color page, page 133: A: From AdBlue/DEF mixing tube
  • Color page, page 3,146: STEERING SYSTEM
  • Foldout diagram, page 3,307: ELECTRICAL CIRCUIT DIAGRAM OF FLOOR (1/8)

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, 3,341 pages

Quantity one is the manual described above.

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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 WA470-8Operation & Maintenance Manual · CEAM029502 · $69.77Komatsu WA470-8Operation & Maintenance Manual · TEN00674-01 · $69.71Komatsu WA470-8Operation & Maintenance Manual · TEN00705-04 · $69.55Komatsu PC490LC-11 with 6D125E-7 EngineService Manual · CEBM028303 · $279.57Komatsu PC490LCi-11 with 6D125E-7 EngineService Manual · CEBM031500 · $369.89Komatsu WA470-8Service Manual · SEN06514-08 · $359.53

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).