Hitachi Zaxis190W-5N - Автозапчасти и автоХитрости

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Электросхема гидравлического экскаватора Hitachi Zaxis190W-5N


  • F4 - Solenoid 20 A Fuse (marked SOLENOID)
  • F7 - Start Position Signal 5 A Fuse (marked START)
  • F11 - Fuel Transfer Pump 5 A Fuse (marked FUEL PUMP)
  • F16 - Glow Plug 5 A Fuse (marked GLOW RELAY)
  • F18 - Idle Stop 5 A Fuse (marked IDLE STOP)
  • F60 - Alternator 65 A Fuse
  • F61 - Battery 45 A Fuse
  • G1 - Battery
  • G2 - Battery
  • G3 - Alternator
  • K1 - Load Dump Relay
  • K2 - Pilot Shutoff Solenoid Relay
  • K4 - Starter Cut Relay
  • K5 - Security Relay
  • K11 - Idle Stop Relay
  • K12 - Accessory Cut Relay
  • K13 - Key Cut Relay
  • K28 - Battery Relay
  • K34 - Starter Relay
  • M1 - Starter Motor
  • M2 - Fuel Transfer Pump
  • S1 - Key Switch
  • S3 - Pilot Shutoff Switch 1
  • S4 - Pilot Shutoff Switch 2
  • S6 - Engine Stop Switch
  • V1 - Battery Relay Diode
  • V3 - Load Dump Relay Diode
  • V4 - Security Diode
  • V5 - Starter Cut Relay Diode
  • V7 - Start Relay Diode
  • V9 - Pilot Shutoff Diode
  • V10 - Starter Protection Diode
  • V20 - Pilot Shutoff Switch Diode
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X40 - Pump Harness-to-Machine Harness Connector
  • X65 - Cab Harness-to-Pilot Shutoff Switch Harness Connector
  • X67 - Machine Harness Auxiliary Power Connector
  • X191 - Cab Harness-to-Floor Harness Connector 1
  • Y10 - Pilot Shutoff Solenoid


  • A4 - Monitor Controller (DSZ)
  • A10 - Monitor
  • A12 - Rear Camera
  • B16 - Air Filter Restriction Switch
  • B18 - Fuel Level Sensor
  • B27 - Hydraulic Oil Filter Restriction Switch (if equipped)
  • B42 - Engine Overheat Switch
  • B43 - Coolant Temperature Sensor
  • E5 - Switch Panel Back Light 1
  • E6 - Switch Panel Back Light 2
  • E7 - Switch Panel Back Light 3
  • E8 - Switch Panel Back Light 4
  • F9 - Power Transistor, Monitor, and Radio Backup 10 A Fuse (marked BACK UP)
  • F14 - Monitor 5 A Fuse (marked MONITOR)
  • F17 - Power On and Service ADVISOR ™ 5 A Fuse (marked POWER ON)
  • H2 - Security Alarm
  • H3 - Monitor Warning Alarm
  • K3 - Security Alarm Relay
  • S10 - Work Light Switch
  • S21 - Blower Motor Speed Switch
  • S22 - Temperature Control/Mode Switch
  • S23 - Radio Volume and Power Switch
  • S24 - Radio Tuning Switch
  • S25 - Monitor Dial
  • S26 - Back Button
  • S27 - Home Button
  • S40 - Hydraulic Oil Temperature Switch (if equipped)
  • S50 - 0 Key
  • S51 - 1 Key
  • S52 - 2 Key
  • S53 - 3 Key
  • S54 - 4 Key
  • S55 - 5 Key
  • S56 - 6 Key
  • S57 - 7 Key
  • S58 - 8 Key
  • S59 - 9 Key
  • S60 - Keypad
  • X2 - MPDr 6-Pin Connector
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X5 - Machine Harness-to-Engine Harness 32-Pin Connector
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X17 - Cab Harness-to-Monitor Harness Connector
  • X18 - Monitor 12-Pin Connector C
  • X19 - Monitor 2-Pin Connector G
  • X20 - Monitor Controller 28-Pin Connector A
  • X21 - Monitor Controller 36-Pin Connector B
  • X22 - Monitor Controller 16-Pin Connector D
  • X23 - Monitor Controller 12-Pin Connector C
  • X24 - Monitor Controller 2-Pin Connector G
  • X28 - Cab Harness-to-Switch Panel Connector 2
  • X29 - Cab Harness-to-Switch Panel Connector 3
  • X30 - Cab Harness-to-Switch Panel Connector 4
  • X40 - Pump Harness-to-Machine Harness Connector
  • X64 - Machine Harness-to-Rear Camera Harness Connector
  • X76 - Cab Harness Connector 1 (marked HMST, not used)
  • X90 - Machine Harness-to-Hydraulic Oil Temperature Switch Connector


  • A3 - Main Controller (MCZ)
  • B30 - Boom Up Pressure Sensor (marked S1)
  • B31 - Arm In Pressure Sensor
  • B32 - Front Attachment Pressure Sensor
  • B33 - Swing Pressure Sensor (marked S3)
  • B35 - Pump 1 Delivery Pressure Sensor (marked PP1)
  • B40 - Hydraulic Oil Temperature Sensor
  • B64 - Park Brake Remain Pressure Sensor
  • F10 - Main Controller and Machine Controller 5 A Fuse (marked CONTROLLER)
  • R15 - Engine Speed Dial
  • S8 - Auto-Idle Switch
  • S11 - Travel Speed Switch
  • S12 - Power Mode Button
  • S65 - Engine Control Mode Switch
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X27 - Cab Harness-to-Switch Panel Connector 1
  • X29 - Cab Harness-to-Switch Panel Connector 3
  • X31 - Cab Harness-to-Main Controller 31-Pin Connector A
  • X32 - Cab Harness-to-Main Controller 24-Pin Connector B
  • X33 - Cab Harness-to-Main Controller 17-Pin Connector C
  • X34 - Cab Harness-to-Main Controller 30-Pin Connector D
  • X35 - Cab Harness-to-Main Controller 24-Pin Connector E
  • X36 - Cab Harness-to-Main Controller 26-Pin Connector F
  • X40 - Pump Harness-to-Machine Harness Connector
  • X91A - Engine Speed Dial Ground Switch Panel Side Connector (marked 2)
  • X91B - Engine Speed Dial Ground Main Controller Side Connector (marked S2)
  • X94A - Engine Speed Dial Switch Panel Side Connector (marked 1)
  • X94B - Engine Speed Dial Main Controller Side Connector (marked ST)
  • X97 - Pump Harness Splice Connector
  • X98 - Machine Harness Splice Connector
  • X146 - Attachment Relief Connector
  • X178 - Optional Pressure Sensor Connector
  • X191 - Cab Harness-to-Floor Harness Connector 1
  • X193 - Cab Harness-to-Floor Harness Connector 3
  • Y20 - Pump 2 Flow Rate Limit Solenoid (marked SB)
  • Y21 - Torque Control Solenoid (marked ST)
  • Y26 - Pump 1 Flow Rate Limit Solenoid (marked SA)
  • Y50 - Pump 1 Secondary Flow Control Solenoid (marked PSA)
  • Y51 - Pump 2 Secondary Flow Control Solenoid (marked PSB)
  • Y69 - Work Brake Solenoid (marked SJ)
  • Y70 - Axle Lock Solenoid (marked SZ)
  • Y74 - Attachment Relief Solenoid 1 (marked REL 1)
  • Y75 - Attachment Relief Solenoid 2 (marked REL 2)


  • A3 - Main Controller (MCZ)
  • B17 - Water-in-Fuel Sensor
  • B36 - Pump 1 Control Pressure Sensor (marked PC1)
  • B37 - Pump 2 Delivery Pressure Sensor (marked PP2)
  • B38 - Pump 2 Control Pressure Sensor (marked PC2)
  • B61 - Arm Out Pressure Sensor (marked AM)
  • B62 - Reverse Travel Pressure Sensor
  • B63 - Forward Travel Pressure Sensor (marked G1)
  • B65 - Work Brake Pressure Sensor (marked BP)
  • B68 - Secondary Hydraulic Oil Temperature Sensor
  • B70 - Steering Pump Delivery Pressure Sensor (marked P4)
  • F5 - Travel Alarm and Optional/Attachment Connector 5 A Fuse (marked OPT. 1 ALT)
  • V34 - Not Used
  • V43 - 2-Speed Activation Solenoid Valve Diode
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X31 - Cab Harness-to-Main Controller 31-Pin Connector A
  • X32 - Cab Harness-to-Main Controller 24-Pin Connector B
  • X33 - Cab Harness-to-Main Controller 17-Pin Connector C
  • X34 - Cab Harness-to-Main Controller 30-Pin Connector D
  • X35 - Cab Harness-to-Main Controller 24-Pin Connector E
  • X36 - Cab Harness-to-Main Controller 26-Pin Connector F
  • X40 - Pump Harness-to-Machine Harness Connector
  • X97 - Pump Harness Splice Connector
  • X98 - Machine Harness Splice Connector
  • X102 - Floor Harness Splice Connector
  • X147 - 2-Speed Connector (marked 2ND)
  • X148 - Secondary Relief Solenoid Valve Connector (marked HSB)
  • X149 - Selector Valve Solenoid Valve Connector (marked SEL)
  • X171 - Not Used
  • X191 - Cab Harness-to-Floor Harness Connector 1
  • X192 - Cab Harness-to-Floor Harness Connector 2
  • Y13 - Bypass Shutoff Valve Control Solenoid (marked SI)
  • Y23 - Arm Regenerative Solenoid (marked SC)
  • Y24 - Power Dig Solenoid (marked SG)
  • Y27 - Arm 2 Flow Rate Control Solenoid (marked SF)
  • Y40 - Selector Valve Solenoid Valve (marked SEL)
  • Y41 - Secondary Relief Solenoid Valve (marked HSB)
  • Y43 - 2-Speed Activation Solenoid Valve (marked A1)
  • Y44 - Flow Rate Adjustment Solenoid Valve (marked A2)


  • A1 - Engine Control Unit (ECU)
  • A3 - Main Controller (MCZ)
  • B1 - Crankshaft Position Sensor
  • B5 - Fuel Temperature Sensor
  • B6 - Engine Oil Level Switch
  • B12 - Fuel Rail Pressure Sensor
  • B14 - Intake Air Throttle Valve Position Sensor
  • B15 - Turbocharger Boost Pressure Sensor
  • B44 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
  • B47 - Exhaust Gas Recirculation (EGR) Valve Sensor
  • F8 - Engine Control Unit (ECU) 30 A Fuse (marked ECU)
  • H4 - Travel Alarm
  • K14 - Engine Control Unit (ECU) Relay
  • K27 - Glow Plug Relay
  • M3 - Exhaust Gas Recirculation (EGR) Valve Actuator
  • M8 - Intake Air Trottle
  • R1 - Glow Plug 1
  • R2 - Glow Plug 2
  • R3 - Glow Plug 3
  • R4 - Glow Plug 4
  • R13 - Engine Control Unit (ECU) Resistor
  • S13 - Travel Alarm Cancel Switch
  • S16 - Muffler Filter Parked Cleaning Switch
  • S41 - Park Brake and Axle Lock Switch
  • V15 - Pilot Disable Switch Diode
  • V21 - Park Brake Switch Diode
  • V24 - Park Brake and Axle Lock Switch Disable Diode
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X5 - Machine Harness-to-Engine Harness 32-Pin Connector
  • X6 - Machine Harness-to-Engine Harness 16-Pin Connector
  • X7 - Machine Harness-to-Engine Harness 14-Pin Connector
  • X14 - Engine Control Unit (ECU) 60-Pin Connector
  • X15 - Engine Control Unit (ECU) 96-Pin Connector
  • X31 - Cab Harness-to-Main Controller 31-Pin Connector A
  • X32 - Cab Harness-to-Main Controller 24-Pin Connector B
  • X33 - Cab Harness-to-Main Controller 17-Pin Connector C
  • X34 - Cab Harness-to-Main Controller 30-Pin Connector D
  • X35 - Cab Harness-to-Main Controller 24-Pin Connector E
  • X36 - Cab Harness-to-Main Controller 26-Pin Connector F
  • X45 - Option 2 12-Pin Connector (not used)
  • X192 - Cab Harness-to-Floor Harness Connector 2


  • A1 - Engine Control Unit (ECU)
  • A9 - Variable Geometry Turbo Controller (VGS)
  • B2 - Camshaft Position Sensor
  • B3 - Manifold Air Temperature Sensor
  • B4 - Engine Coolant Temperature Sensor
  • B7 - Turbocharger Boost Temperature Sensor
  • B11 - Engine Oil Pressure Sensor
  • B13 - Fuel Filter Restriction Sensor
  • B45 - Barometric Pressure Sensor
  • B48 - Exhaust Differential Pressure Sensor
  • B49 - Exhaust Temperature Sensor 1 (CSF)
  • B50 - Exhaust Temperature Sensor 2 (DOC)
  • B51 - Turbocharger Position Sensor
  • R20 - Engine CAN Termination Resistor (marked ISO CAN)
  • X1 - Service ADVISOR ™ Diagnostic Connector
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X5 - Machine Harness-to-Engine Harness 32-Pin Connector
  • X7 - Machine Harness-to-Engine Harness 14-Pin Connector
  • X9 - Machine Harness-to-Engine Harness 20-Pin Connector
  • X14 - Engine Control Unit (ECU) 60-Pin Connector
  • X15 - Engine Control Unit (ECU) 96-Pin Connector
  • X40 - Pump Harness-to-Machine Harness Connector
  • X69 - CAN 0 Connector
  • X70 - Data Converter Interface Connector (marked JD CAB)
  • X71 - Machine Harness-to- Service ADVISOR ™ Harness 8-Pin Connector
  • X92A - Engine Control Unit (ECU) Power and Signal Connector (marked E1)
  • X92B - Engine Control Unit (ECU) Return Connector (marked E2)
  • X101 - Fuel Injector Harness Connector 1
  • Y1 - Electronic Injector 1
  • Y2 - Electronic Injector 2
  • Y3 - Electronic Injector 3
  • Y4 - Electronic Injector 4
  • Y14 - Suction Control Valve
  • Y16 - Turbocharger Actuator


  • A6 - Radio
  • A8 - 12-Volt Power Converter
  • B25 - Right Speaker
  • B26 - Left Speaker
  • E2 - Boom Light
  • F1 - Boom Light 20 A Fuse (marked LAMP)
  • F2 - Windshield Wiper and Washer 10 A Fuse (marked WIPER)
  • F6 - Swing Alarm and 12-Volt Power Unit 20 A Fuse (marked OPT. 2 ALT)
  • F12 - Radio and Machine Controller Power On 5 A Fuse (marked RADIO)
  • F13 - Lighter 10 A Fuse (marked LIGHTER)
  • F15 - Cab Auxiliary Power Connector 10 A Fuse (marked AUX.)
  • F20 - Optional Connector 5 A Fuse (marked OPT. 3 BATT)
  • F62 - Wiper Motor Assembly Circuit Breaker
  • G5 - 12-Volt Power Outlet
  • K6 - Windshield Wiper Relay
  • K7 - Boom Light Relay
  • K9 - Windshield Washer Relay
  • M5 - Windshield Wiper Motor
  • M6 - Windshield Washer Motor
  • R9 - Lighter
  • S28 - Window Switch
  • V6 - Auxiliary Power Connector Diode
  • V11 - Accessory Cut Diode
  • V12 - Starter Cut Diode
  • V19 - Boom Light Diode
  • V25 - Left Clearance Light Diode
  • W60 - Radio Antenna
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X25 - Cab Harness Auxiliary Power Connector 1 (marked AUX+/-)
  • X26 - Optional Connector (marked OPT)
  • X39 - Cab Harness-to-Window Switch Connector
  • X59 - Satellite Communication Connector (marked IMOBI)
  • X60 - 12-Volt Power Supply Connector (marked 12V)
  • X61 - Quick Hitch Connector (marked QH)
  • X73 - Cab Harness-to-Speakers Connector
  • X77 - Radio Auxiliary Connector
  • X107 - Wiper In-Line Connector


  • A5 - Data Converter
  • A11 - Machine Controller (BCZ)
  • A6000 - Modular Telematics Gateway (MTG) Controller
  • A6001 - GPS/Cellular Antenna
  • A6002 - Satellite (SAT) Module Control Unit (if equipped)
  • A6003 - Satellite (SAT) Antenna
  • E3 - Cab Dome Light
  • E9 - Key Switch Light
  • E10 - Switch Panel Back Light 5
  • F6000 - JDLink™ Unswitched Power 7.5 A Fuse (if equipped)
  • F6001 - JDLink™ Ground 7.5 A Fuse (if equipped)
  • F6002 - JDLink™ Switched Power 7.5 A Fuse (if equipped)
  • R10 - Interface CAN Resistor 1
  • R11 - Interface CAN Resistor 2
  • S2 - Cab Dome Light Switch
  • S9 - Windshield Wiper and Washer Switch
  • S14 - Door Switch
  • V26 - Right Clearance Light Diode
  • V27 - Rear Cab Light Diode
  • X10 - Machine Controller 8-Pin Connector A
  • X11 - Machine Controller 20-Pin Connector B
  • X27 - Cab Harness-to-Switch Panel Connector 1
  • X41 - Data Converter Harness Connector
  • X42 - CAN 1 Connector
  • X70 - Data Converter Interface Connector (marked JD CAB)
  • X6007 - JDLink™ Harness Ground 1
  • X6014 - Modular Telematics Gateway (MTG) Control Unit 48-Pin Connector
  • X6015 - Satellite (SAT) Module Control Unit Connector
  • X6016 - JDLink™ Harness-to-Satellite (SAT) Harness
  • X6020 - CAN 0 Connector (marked CAN)
  • X6021 - Interface CAN Connector (marked N-CAN)


  • A7 - Air Conditioner Controller (ACF)
  • B20 - Air Conditioner High/Low Pressure Switch
  • B21 - Solar Sensor
  • B22 - Ambient Air Temperature Sensor
  • B23 - High Note Horn
  • B24 - Low Note Horn
  • B41 - Air Conditioner Freeze Control Switch
  • B55 - Air Recirculation Sensor
  • F3 - Air Conditioner and Heater 20 A Fuse (marked HEATER)
  • F19 - Horn 10 A Fuse (marked HORN)
  • K10 - Horn Relay
  • K15 - Air Conditioner Compressor Clutch Relay
  • K16 - Air Conditioner and Heater Blower Motor Relay
  • K17 - Air Conditioner and Heater Blower Motor (high speed) Relay
  • M7 - Air Conditioner and Heater Blower Motor
  • M9 - Air Conditioner and Heater Internal and External Servo Motor
  • M10 - Air Conditioner and Heater Blower Port Change Servo Motor
  • M11 - Air Conditioner and Heater Mixer Servo Motor
  • R16 - Blower Motor Transistor
  • R17 - Blower Motor Resistor
  • S5 - Steering Column Horn Switch
  • V8 - Air Conditioner Clutch Diode
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X17 - Cab Harness-to-Monitor Harness Connector
  • X51 - Air Conditioner 4-Pin Connector
  • X52 - Air Conditioner 10-Pin Connector
  • X192 - Cab Harness-to-Floor Harness Connector 2
  • Y11 - Air Conditioner Compressor Clutch


  • A13 - Power Transistor
  • E11 - Front Cab Light 1
  • E12 - Front Cab Light 2
  • E13 - Rear Cab Light
  • E26 - Front Cab Light 3
  • E27 - Front Cab Light 4
  • F26 - Reverse Light 10 A Fuse (marked BACK LAMP, not used)
  • F28 - Travel Speed 10 A Fuse (marked P/SW OTHER)
  • F29 - Blade or Outrigger and Travel Direction 10 A Fuse (marked O/R CTL)
  • F36 - Rear Cab Light 10 A Fuse (marked CAB LAMP REAR)
  • F38 - Front Cab Light 2 15 A Fuse (marked CAB LAMP +2)
  • F40 - Front Cab Light 1 15 A Fuse (marked CAB LAMP FRONT)
  • H6 - Forward, Neutral, and Reverse (FNR) Alarm
  • K25 - Blade and Outrigger Relay
  • K26 - Forward, Neutral, and Reverse (FNR) Alarm Relay
  • K38 - Rear Cab Light Relay
  • K39 - Front Cab Light 1 Relay
  • K40 - Front Cab Light 2 Relay
  • S63 - Rear Cab Light Switch
  • V17 - Blade and Outrigger Disable Diode
  • V28 - Forward Diode
  • V29 - Reverse Diode
  • X55 - Front Cab Light 1 Connector (marked CAB LAMP FRONT)
  • X56 - Front Cab Light 2 Connector (marked CAB LAMP FRONT +2)
  • X57 - Rear Cab Light Connector (marked CAB LAMP REAR)
  • X184 - Transmission Connector
  • X191 - Cab Harness-to-Floor Harness Connector 1
  • X192 - Cab Harness-to-Floor Harness Connector 2
  • X199 - Front Cab Light Harness Connector
  • X208 - Front Cab Light 1 Relay Harness-to-Front Cab Light 1 Harness Connector
  • X209 - Front Cab Light 2 Relay Harness-to-Front Cab Light 2 Harness Connector
  • X210 - Rear Cab Light Relay Harness-to-Rear Cab Light Harness
  • X212 - Floor Harness Mission Switch Connector (not used)
  • Y67 - Reverse Travel Solenoid (marked R)
  • Y68 - Forward Travel Solenoid (marked F)


  • F21 - Right Clearance Light 10 A Fuse (marked CLEARANCE R)
  • F23 - High Beam 10 A Fuse (marked UPPER BEAM)
  • F25 - Brake Light 15 A Fuse (marked STOP LAMP)
  • F31 - Left Clearance Light 10 A Fuse (marked CLEARANCE L)
  • F33 - Heated Air Seat 10 A Fuse (marked SEAT HEATER)
  • F34 - Seat Compressor 10 A Fuse (marked SEAT COMPR)
  • F35 - Warning Lamp 15 A Fuse (marked WARNING LAMP)
  • K8 - Brake and Taillight Relay
  • K20 - Headlight High Beam Relay
  • K21 - Left Clearance Light Relay
  • K22 - Right Clearance Light Relay
  • S42 - Brake Pedal Switch
  • S66 - Headlight Switch
  • S67 - Turn Signal Switch
  • S68 - Clearance Light Switch
  • V16 - Work Brake Release Diode
  • V23 - Turn Signal Diode
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X54 - Heated Air Seat Connector (marked SEAT HEATER)
  • X58 - Warning Light Connector (marked WARNING LAMP)
  • X172 - Mirror Connector
  • X173 - Rear Beacon Lamp Connector
  • X182 - Not Used (marked CAMERA)
  • X183 - Not Used (marked CAM)
  • X187 - Mirror Switch Connector (marked MIRROR)
  • X189 - Cab Beacon Light Connector
  • X192 - Cab Harness-to-Floor Harness Connector 2
  • X193 - Cab Harness-to-Floor Harness Connector 3
  • X194 - Cab Harness-to-Left Console Harness Connector
  • X203 - Light Switch Connector A
  • X204 - Light Switch Connector B


  • A14 - Steering Column Monitor (SCM)
  • E14 - Left Headlight
  • E15 - Right Headlight
  • E16 - Left Front Clearance Light
  • E17 - Right Front Clearance Light
  • E18 - Left Front Turn Signal
  • E19 - Right Front Turn Signal
  • E20 - Left Rear Brake Light
  • E21 - Right Rear Brake Light
  • E22 - Left Rear Taillight
  • E23 - Right Rear Taillight
  • E24 - Left Rear Turn Signal
  • E25 - Right Rear Turn Signal
  • F22 - Right Headlight 10 A Fuse (marked HEAD LAMP R)
  • F24 - Turn Signal 10 A Fuse (marked TURN L-R)
  • F27 - Steering Column Monitor (SCM) 10 A Fuse (marked COLUMN BOX)
  • F32 - Left Headlight 10 A Fuse (marked HEAD LAMP L)
  • K18 - Left Turn Signal Relay
  • K19 - Right Turn Signal Relay
  • K23 - Left Headlight Low Beam Relay
  • K24 - Right Headlight Low Beam Relay
  • K36 - Hazard Light Relay
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X40 - Pump Harness-to-Machine Harness Connector
  • X96 - Machine Harness-to-Front Right Light Assembly Connector
  • X104 - Machine Harness-to-Front Left Light Assembly Connector
  • X111 - Floor Harness Auto Cruise Detent Solenoid Connector (not used)
  • X174 - Position Lamp Connector
  • X175 - Machine Harness-to-Rear Left Light Assembly Connector
  • X176 - Rear Right Light Assembly Connector
  • X177 - License Lamp Connector
  • X188 - Auto Cruise Connector (marked A.CR)
  • X192 - Cab Harness-to-Floor Harness Connector 2
  • X193 - Cab Harness-to-Floor Harness Connector 3
  • X201 - Floor Harness-to-Steering Column Monitor 12-Pin Connector
  • X202 - Floor Harness-to-Steering Column Monitor 16-Pin Connector
  • X213 - Floor Harness TACO Connector (not used)
  • X214 - Column Attachment Connector (not used)


  • A2 - Option Controller (MC2)
  • B52 - Blade or Outrigger Pilot Pressure Sensor (marked 13)
  • B54 - Boom Positioning Pilot Pressure Sensor
  • B60 - Attachment Pressure Sensor
  • B66 - Transmission Speed Sensor
  • B67 - Assist Pressure Sensor (marked ASSI-PI)
  • B69 - Attachment Speed Pressure Sensor (marked AM)
  • F30 - Assist 10 A Fuse (marked ASSIST)
  • F37 - Auxiliary, Blade, and Outrigger Solenoid 10 A Fuse (marked SOLENOID)
  • F39 - Option Controller (MC2) 5 A Fuse (marked SMCZ)
  • S7 - Power Dig Switch
  • S29 - Horn Switch
  • S30 - Auxiliary Pedal Selection Switch
  • S31 - Not Used
  • S32 - Assist 1 Control Switch
  • S33 - Assist 2 Control Switch
  • S43 - Forward, Neutral, and Reverse (FNR) Switch
  • S49 - Assist Attachment Flow Rate Adjustment Switch (marked ASSIST)
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X13 - Cab Harness-to-Machine Harness 12-Pin Connector
  • X141 - Cab Harness-to-Option Controller 31-Pin Connector A
  • X142 - Cab Harness-to-Option Controller 24-Pin Connector B
  • X143 - Cab Harness-to-Option Controller 17-Pin Connector C
  • X144 - Cab Harness-to-Option Controller 24-Pin Connector D
  • X145 - Cab Harness-to-Option Controller 26-Pin Connector E
  • X147 - 2-Speed Connector (marked 2ND)
  • X153 - Boom Positioning Pilot Pressure Sensor Connector (marked POSI)
  • X165 - Assist Pressure Sensor Connector (marked ASPi)
  • X166 - Attachment Pressure Sensor Connector (marked 14)
  • X167 - Slip Ring Connector
  • X185 - Pilot Control Lever Jumper Connector
  • X196 - Cab Harness-to-Left Pilot Control Lever Harness Connector
  • X197 - Cab Harness-to-Right Pilot Control Lever Harness Connector
  • X205 - Chassis Harness Slip Ring 8-Pin Connector
  • X206 - Chassis Harness Slip Ring 4-Pin Connector
  • X207 - Not Used
  • X218 - Forward, Neutral, and Reverse (FNR) Switch Connector
  • X219 - Left Grip Harness Connector
  • X220 - Right Grip Harness Connector
  • Y25 - Travel Speed Solenoid
  • Y52 - Left Rear Blade and Outrigger Solenoid (marked RL)
  • Y53 - Right Rear Blade and Outrigger Solenoid (marked RR)
  • Y54 - Left Front Blade and Outrigger Solenoid (marked FL)
  • Y55 - Right Front Blade and Outrigger Solenoid (marked FR)
  • Y71 - Transmission Speed Solenoid (marked Hi)
  • Y73 - Transmission Speed Solenoid (marked Lo)


  • A2 - Option Controller (MC2)
  • R21 - Attachment Pedal
  • R22 - Blade and Outrigger Control Lever
  • S36 - Front and Rear Blade or Outrigger Switch (marked FR)
  • S37 - Left and Right Blade or Outrigger Switch (marked LR)
  • S39 - Pilot Disable Switch (marked PI)
  • S44 - Auto Axle-Lock Switch (marked AAL)
  • S45 - Auxiliary Function Enable Switch (marked AFL)
  • S46 - Hazard Light Switch (marked HZ)
  • S47 - Overload Alarm Switch (marked OL, not used)
  • V22 - Pilot Shutoff Solenoid Diode
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X141 - Cab Harness-to-Option Controller 31-Pin Connector A
  • X142 - Cab Harness-to-Option Controller 24-Pin Connector B
  • X143 - Cab Harness-to-Option Controller 17-Pin Connector C
  • X144 - Cab Harness-to-Option Controller 24-Pin Connector D
  • X145 - Cab Harness-to-Option Controller 26-Pin Connector E
  • X150 - Boom Positioning Solenoid Connector (marked POS1)
  • X151 - Auxiliary Solenoid Connector (marked ATT)
  • X152 - Assist Solenoid Connector (marked ASSI)
  • X170 - Not Used (marked ML)
  • X190 - Cab Harness-to-Blade and Outrigger Control Lever Harness Connector
  • X191 - Cab Harness-to-Floor Harness Connector 1
  • X194 - Cab Harness-to-Left Console Harness Connector
  • X195 - Cab Harness-to-Right Console Harness Connector
  • X198 - Not Used (marked ML)
  • Y57 - Boom Positioning Out Solenoid A (marked POSI A)
  • Y58 - Boom Positioning In Solenoid B (marked POSI B)
  • Y59 - Auxiliary Control Solenoid A (marked ATT-A)
  • Y60 - Auxiliary Control Solenoid B (marked ATT-B)
  • Y61 - Assist Solenoid A (marked A)
  • Y62 - Assist Solenoid B (marked B)
  • Y63 - Blade or Outrigger Raise Control Solenoid (marked ORA)
  • Y64 - Blade or Outrigger Lower Control Solenoid (marked ORB)
  • Y66 - Secondary Pilot Shutoff Solenoid (marked PiC)


  • A2 - Option Controller (MC2)
  • A3 - Main Controller (MCZ)
  • A4 - Monitor Controller (DSZ)
  • A6 - Radio
  • A8 - 12-Volt Power Converter
  • A13 - Power Transistor
  • E3 - Cab Dome Light
  • F50 - Fuse Box
  • F51 - Fuse Box 2
  • G5 - 12-Volt Power Outlet
  • H2 - Security Alarm
  • H6 - Forward, Neutral, and Reverse (FNR) Alarm
  • K1 - Load Dump Relay
  • K2 - Pilot Shutoff Solenoid Relay
  • K3 - Security Alarm Relay
  • K4 - Starter Cut Relay
  • K5 - Security Relay
  • K6 - Windshield Wiper Relay
  • K7 - Boom Light Relay
  • K8 - Brake and Taillight Relay
  • K9 - Windshield Washer Relay
  • K10 - Horn Relay
  • K11 - Idle Stop Relay
  • K12 - Accessory Cut Relay
  • K13 - Key Cut Relay
  • K14 - Engine Control Unit (ECU) Relay
  • K15 - Air Conditioner Compressor Clutch Relay
  • K16 - Air Conditioner and Heater Blower Motor Relay
  • K17 - Air Conditioner and Heater Blower Motor (high speed) Relay
  • K18 - Left Turn Signal Relay
  • K19 - Right Turn Signal Relay
  • K20 - Headlight High Beam Relay
  • K21 - Left Clearance Light Relay
  • K22 - Right Clearance Light Relay
  • K23 - Left Headlight Low Beam Relay
  • K24 - Right Headlight Low Beam Relay
  • K25 - Blade and Outrigger Relay
  • K26 - Forward, Neutral, and Reverse (FNR) Alarm Relay
  • K36 - Hazard Light Relay
  • R9 - Lighter
  • R15 - Engine Speed Dial
  • R22 - Blade and Outrigger Control Lever
  • S1 - Key Switch
  • S6 - Engine Stop Switch
  • S7 - Power Dig Switch
  • S8 - Auto-Idle Switch
  • S9 - Windshield Wiper and Washer Switch
  • S10 - Work Light Switch
  • S11 - Travel Speed Switch
  • S12 - Power Mode Button
  • S13 - Travel Alarm Cancel Switch
  • S14 - Door Switch
  • S16 - Muffler Filter Parked Cleaning Switch
  • S21 - Blower Motor Speed Switch
  • S22 - Temperature Control/Mode Switch
  • S23 - Radio Volume and Power Switch
  • S24 - Radio Tuning Switch+B247
  • S25 - Monitor Dial
  • S26 - Back Button
  • S27 - Home Button
  • S29 - Horn Switch
  • S30 - Auxiliary Pedal Selection Switch
  • S31 - Not Used
  • S32 - Assist 1 Control Switch
  • S33 - Assist 2 Control Switch
  • S36 - Front and Rear Blade or Outrigger Switch (marked FR)
  • S37 - Left and Right Blade or Outrigger Switch (marked LR)
  • S39 - Pilot Disable Switch (marked Pi)
  • S43 - Forward, Neutral, and Reverse (FNR) Switch
  • S44 - Auto Axle Lock Switch (marked AAL)
  • S45 - Auxiliary Function Enable Switch (marked AFL)
  • S46 - Hazard Light Switch (marked HZ)
  • S49 - Assist Attachment Flow Rate Adjustment Switch (marked ASSIST)
  • S60 - Keypad
  • S65 - Engine Control Mode Switch
  • V1 - Battery Relay Diode
  • V3 - Load Dump Relay Diode
  • V4 - Security Diode
  • V5 - Starter Cut Relay Diode
  • V6 - Auxiliary Power Connector Diode
  • V7 - Start Relay Diode
  • V8 - Air Conditioner Clutch Diode
  • V9 - Pilot Shutoff Diode
  • V10 - Starter Protection Diode
  • V11 - Accessory Cut Diode
  • V12 - Starter Cut Diode
  • V15 - Pilot Disable Switch Diode
  • V16 - Work Brake Release Diode
  • V17 - Blade and Outrigger Disable Diode
  • V19 - Boom Light Diode
  • V21 - Park Brake Switch Diode
  • V22 - Pilot Shutoff Solenoid Diode
  • V24 - Park Brake and Axle Lock Switch Disable Diode
  • V25 - Left Clearance Light Diode
  • V26 - Right Clearance Light Diode
  • V27 - Rear Cab Light Diode
  • V28 - Forward Diode
  • V29 - Reverse Diode
  • V34 - Not Used
  • W1 - Cab Harness
  • W3 - Monitor Harness
  • W9 - Muffler Filter Parked Cleaning Switch Harness
  • W29 - Starter Switch Harness
  • W35 - Cab Harness Ground 1
  • W36 - Cab Harness Ground 2
  • W37 - Cab Harness Ground 3
  • W45 - Right Console Harness
  • W46 - Left Console Harness
  • W48 - Cab Harness Ground 4
  • W50 - Right Pilot Control Lever Harness
  • W52 - Left Pilot Control Lever Harness
  • W55 - 12-Volt Power Harness
  • W59 - Blade and Outrigger Control Lever Harness
  • X1 - Service ADVISOR ™ Diagnostic Connector
  • X2 - MPDr 6-Pin Connector
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X10 - Machine Controller 8-Pin Connector A
  • X11 - Machine Controller 20-Pin Connector B
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X13 - Cab Harness-to-Machine Harness 12-Pin Connector
  • X17 - Cab Harness-to-Monitor Harness Connector
  • X20 - Monitor Controller 28-Pin Connector A
  • X21 - Monitor Controller 36-Pin Connector B
  • X22 - Monitor Controller 16-Pin Connector D
  • X23 - Monitor Controller 12-Pin Connector C
  • X24 - Monitor Controller 2-Pin Connector G
  • X25 - Cab Harness Auxiliary Power Connector 1 (marked AUX+/-)
  • X26 - Optional Connector (marked OPT)
  • X27 - Cab Harness-to-Switch Panel Connector 1
  • X28 - Cab Harness-to-Switch Panel Connector 2
  • X29 - Cab Harness-to-Switch Panel Connector 3
  • X30 - Cab Harness-to-Switch Panel Connector 4
  • X31 - Cab Harness-to-Main Controller 31-Pin Connector A
  • X32 - Cab Harness-to-Main Controller 24-Pin Connector B
  • X33 - Cab Harness-to-Main Controller 17-Pin Connector C
  • X34 - Cab Harness-to-Main Controller 30-Pin Connector D
  • X35 - Cab Harness-to-Main Controller 24-Pin Connector E
  • X36 - Cab Harness-to-Main Controller 26-Pin Connector F
  • X37 - Cab Harness-to-Muffler Filter Switch Harness Connector
  • X39 - Cab Harness-to-Window Switch Connector
  • X41A - Data Converter Harness Connector (marked CAB/H)
  • X41B - Data Converter Harness Connector (marked GSM/H)
  • X47 - Cab Harness-to-Key Switch Harness Connector
  • X51 - Air Conditioner 4-Pin Connector
  • X52 - Air Conditioner 10-Pin Connector
  • X54 - Heated Air Seat Connector (marked SEAT HEATER)
  • X55 - Front Cab Light 1 Connector (marked CAB LAMP FRONT)
  • X56 - Front Cab Light 2 Connector (marked CAB LAMP FRONT +2)
  • X57 - Rear Cab Light Connector (marked CAB LAMP REAR)
  • X58 - Warning Light Connector (marked WARNING LAMP)
  • X59 - Satellite Communication Connector (marked IMOBI)
  • X60 - 12-Volt Power Supply Connector (marked 12V)
  • X61 - Quick Hitch Connector (marked QH)
  • X65 - Cab Harness-to-Pilot Shutoff Switch Harness Connector
  • X73 - Cab Harness-to-Speakers Connector
  • X77 - Radio Auxiliary Connector
  • X91A - Engine Speed Dial Ground Switch Panel Side Connector (marked 2)
  • X91B - Engine Speed Dial Ground Main Controller Side Connector (marked S2)
  • X92A - Engine Control Unit (ECU) Power and Signal Connector (marked E1)
  • X92B - Engine Control Unit (ECU) Return Connector (marked E2)
  • X94A - Engine Speed Dial Switch Panel Side Connector (marked 1)
  • X94B - Engine Speed Dial Main Controller Side Connector (marked ST)
  • X99 - Cab Ground Splice
  • X107 - Wiper In-Line Connector
  • X108 - Security Relay Connector
  • X141 - Cab Harness-to-Option Controller 31-Pin Connector A
  • X142 - Cab Harness-to-Option Controller 24-Pin Connector B
  • X143 - Cab Harness-to-Option Controller 17-Pin Connector C
  • X144 - Cab Harness-to-Option Controller 24-Pin Connector D
  • X145 - Cab Harness-to-Option Controller 26-Pin Connector E
  • X181 - Rear Camera In-Line Connector
  • X182 - Not Used (marked CAMERA)
  • X183 - Not Used (marked CAM)
  • X184 - Transmission Connector
  • X185 - Pilot Control Lever Jumper Connector
  • X187 - Mirror Switch Connector (marked MIRROR)
  • X188 - Auto Cruise Connector (marked A.CR)
  • X189 - Cab Beacon Light Connector
  • X190 - Cab Harness-to-Blade and Outrigger Control Lever Harness Connector
  • X191 - Cab Harness-to-Floor Harness Connector 1
  • X192 - Cab Harness-to-Floor Harness Connector 2
  • X193 - Cab Harness-to-Floor Harness Connector 3
  • X194 - Cab Harness-to-Left Console Harness Connector
  • X195 - Cab Harness-to-Right Console Harness Connector
  • X196 - Cab Harness-to-Left Pilot Control Lever Harness Connector
  • X197 - Cab Harness-to-Right Pilot Control Lever Harness Connector
  • X198 - Not Used (marked ML)
  • X200 - Not Used
  • X218 - Forward, Neutral, and Reverse (FNR) Switch Connector
  • X219 - Left Grip Harness Connector
  • X220 - Right Grip Harness Connector


  • A1 - Engine Control Unit (ECU)
  • A9 - Variable Geometry Turbo Controller (VGS)
  • B6 - Engine Oil Level Switch
  • B16 - Air Filter Restriction Switch
  • B18 - Fuel Level Sensor
  • B20 - Air Conditioner High/Low Pressure Switch
  • B22 - Ambient Air Temperature Sensor
  • B23 - High Note Horn
  • B24 - Low Note Horn
  • B27 - Hydraulic Oil Filter Restriction Switch (if equipped)
  • B30 - Boom Up Pressure Sensor (marked S1)
  • B31 - Arm In Pressure Sensor
  • B32 - Front Attachment Pressure Sensor
  • B33 - Swing Pressure Sensor (marked S3)
  • B40 - Hydraulic Oil Temperature Sensor
  • B44 - Mass Air Flow (MAF)/Intake Air Temperature (IAT) Sensor
  • B45 - Barometric Pressure Sensor
  • B48 - Exhaust Differential Pressure Sensor
  • B49 - Exhaust Temperature Sensor 1 (CSF)
  • B50 - Exhaust Temperature Sensor 2 (DOC)
  • B52 - Blade or Outrigger Pilot Pressure Sensor (marked 13)
  • B60 - Attachment Pressure Sensor
  • B61 - Arm Out Pressure Sensor (marked S4)
  • B64 - Park Brake Remain Pressure Sensor
  • B68 - Secondary Hydraulic Oil Temperature Sensor
  • E2 - Boom Light
  • E14 - Left Headlight
  • E15 - Right Headlight
  • E16 - Left Front Clearance Light
  • E17 - Right Front Clearance Light
  • E18 - Left Front Turn Signal
  • E19 - Right Front Turn Signal
  • E20 - Left Rear Brake Light
  • E22 - Left Rear Taillight
  • E24 - Left Rear Turn Signal
  • F60 - Alternator 65 A Fuse
  • F61 - Battery 45 A Fuse
  • G3 - Alternator
  • H4 - Travel Alarm
  • K27 - Glow Plug Relay
  • K28 - Battery Relay
  • K34 - Starter Relay
  • M1 - Starter Motor
  • M6 - Windshield Washer Motor
  • R13 - Engine Control Unit (ECU) Resistor
  • R20 - Engine CAN Termination Resistor (marked ISO CAN)
  • W1 - Cab Harness
  • W2 - Machine Harness
  • X3 - Cab Harness-to-Machine Harness 100-Pin Connector
  • X5 - Machine Harness-to-Engine Harness 32-Pin Connector
  • X6 - Machine Harness-to-Engine Harness 16-Pin Connector
  • X7 - Machine Harness-to-Engine Harness 14-Pin Connector
  • X8 - Machine Harness-to-Engine Harness 1-Pin Connector
  • X9 - Machine Harness-to-Engine Harness 20-Pin Connector
  • X12 - Cab Harness-to-Machine Harness 52-Pin Connector
  • X13 - Cab Harness-to-Machine Harness 12-Pin Connector
  • X14 - Engine Control Unit (ECU) 60-Pin Connector
  • X15 - Engine Control Unit (ECU) 96-Pin Connector
  • X40 - Pump Harness-to-Machine Harness Connector
  • X64 - Machine Harness-to-Rear Camera Harness Connector
  • X67 - Machine Harness Auxiliary Power Connector
  • X71 - Machine Harness-to-Service ADVISOR™ Harness 8-Pin Connector
  • X86 - Travel Alarm Connector
  • X96 - Machine Harness-to-Front Right Light Assembly Connector
  • X98 - Machine Harness Splice Connector
  • X104 - Machine Harness-to-Front Left Light Assembly Connector
  • X146 - Attachment Relief Connector
  • X147 - 2-Speed Connector (marked 2ND)
  • X148 - Secondary Relief Solenoid Valve Connector (marked HSB)
  • X149 - Selector Valve Solenoid Valve Connector (marked SEL)
  • X150 - Boom Positioning Solenoid Connector (marked POS1)
  • X151 - Auxiliary Solenoid Connector (marked ATT)
  • X152 - Assist Solenoid Connector (marked ASSI)
  • X153 - Boom Positioning Pilot Pressure Sensor Connector (marked POSI)
  • X156 - Swing Alarm Connector
  • X165 - Assist Pressure Sensor Connector (marked ASPi)
  • X166 - Attachment Pressure Sensor Connector (marked 14)
  • X167 - Slip Ring Connector
  • X170 - Not Used (marked ML)
  • X171 - Not Used
  • X172 - Mirror Connector
  • X173 - Rear Beacon Lamp Connector
  • X174 - Position Lamp Connector
  • X175 - Machine Harness-to-Rear Left Light Assembly Connector
  • X177 - License Lamp Connector
  • X178 - Optional Pressure Sensor Connector
  • X6020 - CAN 0 Connector (marked CAN)
  • Y11 - Air Conditioner Compressor Clutch
  • Y13 - Bypass Shutoff Valve Control Solenoid (marked SI)
  • Y23 - Arm Regenerative Solenoid (marked SC)
  • Y24 - Power Dig Solenoid (marked SG)
  • Y27 - Arm 2 Flow Rate Control Solenoid (marked SF)
  • Y63 - Blade or Outrigger Raise Control Solenoid (marked ORA)
  • Y64 - Blade or Outrigger Lower Control Solenoid (marked ORB)
  • Y66 - Secondary Pilot Shutoff Solenoid (marked PiC)
 
 
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