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Control Unit ECU 612650080075 Weichai engine parts
Control Unit ECU 612650080075 Weichai engine parts
Control Unit ECU 612650080075 Weichai engine parts

Control Unit ECU 612650080075 Weichai engine parts

Control Unit ECU 612650080075 Weichai engine parts

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Product Detail

Control Unit (ECU) for Weichai Engine – Part No. 612650080075

The 612650080075 ECU belongs to Weichai‘s independently developed WISE (Weichai Intelligent Self-developed ECU) series and specifically represents the WISE 15 platform, co‑developed with Continental (formerly Siemens VDO) under the SID 605 architecture (Continental SID 605). This electronic control unit serves as the central “brain” of the engine, continuously monitoring real‑time data from dozens of sensors across the engine and vehicle systems, and delivering precise commands to actuators such as fuel injectors, the high‑pressure common rail pump, the EGR valve, the variable geometry turbocharger (VGT, if equipped), and aftertreatment components. By orchestrating these functions with microsecond‑level precision, the ECU optimizes fuel combustion, maximizes power output, minimizes fuel consumption, ensures compliance with emission regulations, and protects the engine from operating conditions that could cause mechanical damage.

Engine ModelDisplacementTypical Applications
WP10.270E409.726LHeavy trucks, buses
WP10.290E409.726LTrucks, construction machinery
WP10.336E409.726LHeavy‑duty trucks, dump trucks
WP12.375E4011.596LTractor trucks, heavy haulage
WP12.400E4011.596LMining trucks, special vehicles
WP7.240E407.14LBuses, medium trucks
WP7.270E407.14LConstruction equipment

Related Electronic Controllers (DCU, TCU, HCU, MCU)

Weichai‘s integrated electronic architecture includes several peripheral controllers that communicate with the main ECU via CAN bus:

Component DescriptionPart Number (Example)Function
DCU (Dosing Control Unit) for SCR system1004977822 / 1004148630 (variants)Controls DEF injection pump, heater, and dosing valve
TFT Display (Instrument Cluster)(Consult Weichai catalog)CAN‑based vehicle information display
Remote Control Unit / Telematics Gateway(Consult Weichai catalog)Remote monitoring and fleet management
HCU (Hybrid Control Unit)(Consult Weichai catalog)For hybrid electric powertrains
MCU (Motor Control Unit)(Consult Weichai catalog)For electric motor control

Weichai Engine Sensors (Critical Inputs to ECU)

The following sensors provide real‑time input signals to the 612650080075 ECU for closed‑loop control:

Sensor DescriptionPart NumberApplication / Engine Series
Speed Sensor (Engine / Crank Position)612630190016WP4, WP6 series
Speed Sensor (WP12)612630030007WP12 series
Temperature Sensor (Coolant, WP10H)612630060035WP10H series
Temperature Sensor (General)612600090673Multiple Weichai engines
Pressure + Temperature Sensor (Combined)1001413692WP13 series
Pressure + Temperature Sensor (WP10)612630120004WP10 series
Oil Pressure Sensor (Lube)61500090051Multiple Weichai engines
Oil Pressure Sensor (Lube)61500090051Baudouin M26 / Weichai engines
Air Inlet Temperature Sensor13034248Weichai natural gas engine
Fuel Metering Valve1004138190 (typical)Common rail system
Rail Pressure Sensor(Consult Bosch / Weichai catalog)High‑pressure common rail
NOx Sensor (upstream)1004148634 (typical)SCR system, National V/VI
NOx Sensor (downstream)1004148635 (typical)SCR system, National V/VI
Exhaust Temperature Sensor (EGT)(Consult Weichai catalog)DOC / DPF / SCR monitoring
Boost Pressure Sensor6130901014 (typical)Turbocharger control
Crankcase Pressure Sensor(Consult Weichai catalog)Crankcase ventilation monitoring
Position Sensor (EGR Valve)(Consult Weichai catalog)EGR feedback

Weichai Engine Actuators & Components (Controlled by ECU)

The 612650080075 ECU commands the following actuators to manage engine operation:

Component DescriptionPart Number (Example)Function
Common Rail Injector0445120086 / 612640090001Bosch injector for WP10/WP12 common rail systems
Common Rail Injector0445120462Bosch, for specific Weichai applications
Common Rail Injector (WP10 / WP12)0445120214 (0445120149/0169/0213)Bosch injector series
Common Rail Injector (WP10 / WP12)0445120266Bosch injector alternative, 612640090001 cross‑reference
Common Rail Fuel Injection Pump1005629985 / 1003470866 / 1010934956CP3‑type high‑pressure pump assembly
Fuel Injection Pump330201000012Mechanical pump for Baudouin / M26 applications
Injector (Euro II)612600080311 (KBEL132P110)Older generation, WD10/WP10/WD618
High‑Pressure Oil Pump (Common Rail)1000424916 / 1000428205Pump assembly variant
EGR Cooler4110001841032EGR system component
EGR Valve Assembly(Consult Weichai catalog)Exhaust gas recirculation
Turbocharger Assembly1008821870 (typical WP10)Boost pressure generation
VNT / VGT Actuator(Consult Weichai catalog)Variable geometry control
Solenoid Valve (EGR / Turbo Bypass)4110000592003Pneumatic control
Fuel Metering Unit (Rail Pump)1003957358 (typical)Fuel quantity control
DEF Dosing Valve1004246844 (typical)Urea injection control

Engine Harness & Connector Components (ECU Interface)

The 612650080075 ECU‘s 76‑pin connector interfaces with the engine wiring harness. Related harness components include:

Component DescriptionPart Number (Example)
Engine Main Harness (complete)(Consult Weichai / vehicle catalog)
ECU 76‑pin Connector (mating half)1‑967613‑1 (TE / AMP, typical)
ECU Connector Seal Kit(Consult Weichai catalog)
CAN Bus Terminating Resistor (120Ω)(Consult Weichai catalog)
Fuse and Relay Box (Engine)(Consult Weichai / vehicle catalog)

Cooling & Lubrication System Components (Indirectly Controlled by ECU)

Component DescriptionPart Number (Example)
Water Pump612600062192
Oil Pump610800070242
Oil Cooler610800070267 (WP7)
Water Pump Connector (WP12)612640060023
Fan Support4110001841014
Fan Pulley4110000970118
Fan Belt4110001005240
Thermostat4110000556085
Radiator Assembly(Consult Weichai / vehicle catalog)

Aftertreatment System Components (SCR, DOC, DPF)

Component DescriptionPart Number (Example)
SCR Box Assembly612640130525 (WP12)
UEGO (Universal Exhaust Gas Oxygen) Sensor612600190224 (Baudouin 16M33G6N0/5)
DEF Tank Assembly(Consult Weichai catalog)
DEF Dosing Pump1004911051 (typical)
DEF Heater / Temperature Sensor(Consult Weichai catalog)
Silencer / Muffler Assembly(Consult Weichai catalog)
Exhaust Pipe(Consult Weichai catalog)

Charging & Starting System Components

Component DescriptionPart Number (Example)
Alternator1000512956 (typical WP10/WP12)
Starter Motor612600030015 (WD615) / 612600030015 (WP10/WP12)
Battery Switch4130000427

Gasket & Seal Kits for Electronic / Sensor Interface

Component DescriptionPart Number (Example)
Seal Ring Kit (general)4120000601103
Gasket Repair Kit(Weichai catalog / available)
Rubber Ring Repair Kit(Weichai catalog)
Bowl Plug Repair Kit(Weichai catalog)

Major Engine Mechanical Components (Reference Only)

These components are not directly controlled by the ECU but are often replaced during major overhauls alongside ECU replacement:

Component DescriptionPart Number (Example)
Cylinder Liner612630010015 (WD615/WP10)
Cylinder Head Gasket612600040355
Piston61560030033 / 4644 351 070
Connecting Rod12160519 / 612600100138
Valve Guide612600040113
Valve Seat Insert81500010125
Main Bearing (Upper)81500010046
Thrust Washer81500010125
Oil Seal (Front / Rear)612600040114 (Head Oil Seal) / 4466 351 081 (Cover Seal)

Diagnostic Tool & Flashing Equipment (for ECU Programming)

To program (flash) or diagnose the 612650080075 ECU, the following diagnostic tools and software modules are commonly required:

Tool / Equipment DescriptionModel / Reference
EPS918 Diagnostic ToolSupports WISE 15 ECU flashing (China IV/V)
DTS (Diesel Truck Scanner)Supports WISE10, WISE13A, WISE13J INI flashing
Launch X431 PAD5 LINK HDDiagnostic and programming
Jaltest Heavy Duty (HD)Multi‑brand diagnostic for Weichai ECUs
Foxwell VDSA‑HDEDC17/WISE series ECU flashing
ECULite Module #22 (China Truck EDC17CV44)Supports WP7, WP10, WP12
ECULite Module #33 (China Truck Wise 10)Supports Wise 10 ECU
Combiloader SID605 / WISE13H / WISE15 / MD1 ModuleSupports Chinese‑made vehicle ECUs


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Product Detail

Control Unit (ECU) for Weichai Engine – Part No. 612650080075

The 612650080075 ECU belongs to Weichai‘s independently developed WISE (Weichai Intelligent Self-developed ECU) series and specifically represents the WISE 15 platform, co‑developed with Continental (formerly Siemens VDO) under the SID 605 architecture (Continental SID 605). This electronic control unit serves as the central “brain” of the engine, continuously monitoring real‑time data from dozens of sensors across the engine and vehicle systems, and delivering precise commands to actuators such as fuel injectors, the high‑pressure common rail pump, the EGR valve, the variable geometry turbocharger (VGT, if equipped), and aftertreatment components. By orchestrating these functions with microsecond‑level precision, the ECU optimizes fuel combustion, maximizes power output, minimizes fuel consumption, ensures compliance with emission regulations, and protects the engine from operating conditions that could cause mechanical damage.

Engine ModelDisplacementTypical Applications
WP10.270E409.726LHeavy trucks, buses
WP10.290E409.726LTrucks, construction machinery
WP10.336E409.726LHeavy‑duty trucks, dump trucks
WP12.375E4011.596LTractor trucks, heavy haulage
WP12.400E4011.596LMining trucks, special vehicles
WP7.240E407.14LBuses, medium trucks
WP7.270E407.14LConstruction equipment

Related Electronic Controllers (DCU, TCU, HCU, MCU)

Weichai‘s integrated electronic architecture includes several peripheral controllers that communicate with the main ECU via CAN bus:

Component DescriptionPart Number (Example)Function
DCU (Dosing Control Unit) for SCR system1004977822 / 1004148630 (variants)Controls DEF injection pump, heater, and dosing valve
TFT Display (Instrument Cluster)(Consult Weichai catalog)CAN‑based vehicle information display
Remote Control Unit / Telematics Gateway(Consult Weichai catalog)Remote monitoring and fleet management
HCU (Hybrid Control Unit)(Consult Weichai catalog)For hybrid electric powertrains
MCU (Motor Control Unit)(Consult Weichai catalog)For electric motor control

Weichai Engine Sensors (Critical Inputs to ECU)

The following sensors provide real‑time input signals to the 612650080075 ECU for closed‑loop control:

Sensor DescriptionPart NumberApplication / Engine Series
Speed Sensor (Engine / Crank Position)612630190016WP4, WP6 series
Speed Sensor (WP12)612630030007WP12 series
Temperature Sensor (Coolant, WP10H)612630060035WP10H series
Temperature Sensor (General)612600090673Multiple Weichai engines
Pressure + Temperature Sensor (Combined)1001413692WP13 series
Pressure + Temperature Sensor (WP10)612630120004WP10 series
Oil Pressure Sensor (Lube)61500090051Multiple Weichai engines
Oil Pressure Sensor (Lube)61500090051Baudouin M26 / Weichai engines
Air Inlet Temperature Sensor13034248Weichai natural gas engine
Fuel Metering Valve1004138190 (typical)Common rail system
Rail Pressure Sensor(Consult Bosch / Weichai catalog)High‑pressure common rail
NOx Sensor (upstream)1004148634 (typical)SCR system, National V/VI
NOx Sensor (downstream)1004148635 (typical)SCR system, National V/VI
Exhaust Temperature Sensor (EGT)(Consult Weichai catalog)DOC / DPF / SCR monitoring
Boost Pressure Sensor6130901014 (typical)Turbocharger control
Crankcase Pressure Sensor(Consult Weichai catalog)Crankcase ventilation monitoring
Position Sensor (EGR Valve)(Consult Weichai catalog)EGR feedback

Weichai Engine Actuators & Components (Controlled by ECU)

The 612650080075 ECU commands the following actuators to manage engine operation:

Component DescriptionPart Number (Example)Function
Common Rail Injector0445120086 / 612640090001Bosch injector for WP10/WP12 common rail systems
Common Rail Injector0445120462Bosch, for specific Weichai applications
Common Rail Injector (WP10 / WP12)0445120214 (0445120149/0169/0213)Bosch injector series
Common Rail Injector (WP10 / WP12)0445120266Bosch injector alternative, 612640090001 cross‑reference
Common Rail Fuel Injection Pump1005629985 / 1003470866 / 1010934956CP3‑type high‑pressure pump assembly
Fuel Injection Pump330201000012Mechanical pump for Baudouin / M26 applications
Injector (Euro II)612600080311 (KBEL132P110)Older generation, WD10/WP10/WD618
High‑Pressure Oil Pump (Common Rail)1000424916 / 1000428205Pump assembly variant
EGR Cooler4110001841032EGR system component
EGR Valve Assembly(Consult Weichai catalog)Exhaust gas recirculation
Turbocharger Assembly1008821870 (typical WP10)Boost pressure generation
VNT / VGT Actuator(Consult Weichai catalog)Variable geometry control
Solenoid Valve (EGR / Turbo Bypass)4110000592003Pneumatic control
Fuel Metering Unit (Rail Pump)1003957358 (typical)Fuel quantity control
DEF Dosing Valve1004246844 (typical)Urea injection control

Engine Harness & Connector Components (ECU Interface)

The 612650080075 ECU‘s 76‑pin connector interfaces with the engine wiring harness. Related harness components include:

Component DescriptionPart Number (Example)
Engine Main Harness (complete)(Consult Weichai / vehicle catalog)
ECU 76‑pin Connector (mating half)1‑967613‑1 (TE / AMP, typical)
ECU Connector Seal Kit(Consult Weichai catalog)
CAN Bus Terminating Resistor (120Ω)(Consult Weichai catalog)
Fuse and Relay Box (Engine)(Consult Weichai / vehicle catalog)

Cooling & Lubrication System Components (Indirectly Controlled by ECU)

Component DescriptionPart Number (Example)
Water Pump612600062192
Oil Pump610800070242
Oil Cooler610800070267 (WP7)
Water Pump Connector (WP12)612640060023
Fan Support4110001841014
Fan Pulley4110000970118
Fan Belt4110001005240
Thermostat4110000556085
Radiator Assembly(Consult Weichai / vehicle catalog)

Aftertreatment System Components (SCR, DOC, DPF)

Component DescriptionPart Number (Example)
SCR Box Assembly612640130525 (WP12)
UEGO (Universal Exhaust Gas Oxygen) Sensor612600190224 (Baudouin 16M33G6N0/5)
DEF Tank Assembly(Consult Weichai catalog)
DEF Dosing Pump1004911051 (typical)
DEF Heater / Temperature Sensor(Consult Weichai catalog)
Silencer / Muffler Assembly(Consult Weichai catalog)
Exhaust Pipe(Consult Weichai catalog)

Charging & Starting System Components

Component DescriptionPart Number (Example)
Alternator1000512956 (typical WP10/WP12)
Starter Motor612600030015 (WD615) / 612600030015 (WP10/WP12)
Battery Switch4130000427

Gasket & Seal Kits for Electronic / Sensor Interface

Component DescriptionPart Number (Example)
Seal Ring Kit (general)4120000601103
Gasket Repair Kit(Weichai catalog / available)
Rubber Ring Repair Kit(Weichai catalog)
Bowl Plug Repair Kit(Weichai catalog)

Major Engine Mechanical Components (Reference Only)

These components are not directly controlled by the ECU but are often replaced during major overhauls alongside ECU replacement:

Component DescriptionPart Number (Example)
Cylinder Liner612630010015 (WD615/WP10)
Cylinder Head Gasket612600040355
Piston61560030033 / 4644 351 070
Connecting Rod12160519 / 612600100138
Valve Guide612600040113
Valve Seat Insert81500010125
Main Bearing (Upper)81500010046
Thrust Washer81500010125
Oil Seal (Front / Rear)612600040114 (Head Oil Seal) / 4466 351 081 (Cover Seal)

Diagnostic Tool & Flashing Equipment (for ECU Programming)

To program (flash) or diagnose the 612650080075 ECU, the following diagnostic tools and software modules are commonly required:

Tool / Equipment DescriptionModel / Reference
EPS918 Diagnostic ToolSupports WISE 15 ECU flashing (China IV/V)
DTS (Diesel Truck Scanner)Supports WISE10, WISE13A, WISE13J INI flashing
Launch X431 PAD5 LINK HDDiagnostic and programming
Jaltest Heavy Duty (HD)Multi‑brand diagnostic for Weichai ECUs
Foxwell VDSA‑HDEDC17/WISE series ECU flashing
ECULite Module #22 (China Truck EDC17CV44)Supports WP7, WP10, WP12
ECULite Module #33 (China Truck Wise 10)Supports Wise 10 ECU
Combiloader SID605 / WISE13H / WISE15 / MD1 ModuleSupports Chinese‑made vehicle ECUs


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Contact us

WhatsApp:+86-172 696 29279

WeChat:172 6962 9279

E-mail:asher@wuchenjialianspareparts.com

Tel:+86-172 696 29279

Address:No. 667, Zhujiang Road, Xuejiadao 

Street, Huangdao District, Qingdao, Qingdao Area, China (Shandong) Pilot Free Trade Zone

Products

Excavator Parts
Wheel Loader Accessories
Bulldozer Parts
Crane Accessories
Truck Parts
Engine Parts
Transmission Parts
Road Roller Accessories
Grader Accessories
Tire

Service

Pre-Sale Consultation

Logistics Services

After-Sale Services

Downloads

Company

About Us

Contact Us

 

Industry

Mine Applications
Construction
Port Logistics
Agricultural Applications

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© Copyright - 2026 Qingdao Wuchen Jialian International Trade Co., Ltd . All Rights Reserved.

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