Related Manuals for Denso 4M41
Summarization of Contents
Product Application Information
Application
Details vehicle application for the system.
System Components Part Number
Lists part numbers for system components.
Outline of System
Common Rail System Characteristics
Explains the general characteristics of the common rail system.
Features of Injection Control
Describes key features of the injection control system.
Comparison to the Conventional System
Compares common rail system with conventional systems.
Composition
Outlines the primary components of the common rail system.
Operation
Explains the operational principles of system components.
Fuel System
Describes the flow path of fuel within the system.
Control System
Details the control system structure and components.
Supply Pump
Outline
Provides an overview of the supply pump's structure and function.
Exterior View Diagram
Shows external views of the supply pump for different engine models.
Supply Pump Internal Fuel Flow
Illustrates the internal fuel flow path within the supply pump.
Construction of Supply Pump
Details the internal construction and assembly of the supply pump.
Operation of the Supply Pump
Explains the operational mechanism of the supply pump.
Supply Pump Component Parts
Feed Pump
Describes the trochoid type feed pump integrated into the supply pump.
SCV (Suction Control Valve)
Explains the function and operation of the SCV.
Fuel Temperature Sensor
Details the fuel temperature sensor and its characteristics.
Rail Components Parts
Rail Pressure Sensor (Pc Sensor)
Explains the rail pressure sensor and its operation.
Pressure limiter
Details the function of the pressure limiter valve.
Injector (G2 Type)
Outline
Provides an overview of the injector's role in fuel injection.
Characteristics
Describes the characteristics of the solenoid-control type injector.
Exterior View Diagram
Shows external views of injectors for different engine models.
Construction
Details the internal construction of the injector.
Operation
Explains the operational sequence of the injector.
Injector Actuation Circuit
Details the electrical circuit for actuating the injector.
Operation of Control System Components
Engine Control System Diagram
Presents a diagram of the overall engine control system.
Engine ECU (Electronic Control Unit)
Describes the function of the Engine Control Unit as the command center.
Cylinder Recognition Sensor (TDC)
Explains the cylinder recognition sensor and its output signal.
Turbo Pressure Sensor
Details the turbo pressure sensor and its measurement principle.
Mass Air Flow Sensor
Describes the mass air flow sensor and its detection capabilities.
Electronic Control Throttle
Outlines the electronic control throttle system.
Various Types of Control
Outline
Introduces various control functions of the system.
Fuel Injection Rate Control Function
Explains pilot injection for controlling fuel injection rate.
Fuel Injection Quantity Control Function
Details the control of fuel injection quantity.
Fuel Injection Timing Control Function
Describes the control of fuel injection timing.
Fuel Injection Pressure Control Function (Rail Pressure Control Function)
Explains rail pressure control for fuel injection.
Fuel Injection Quantity Control
Outline
Provides an overview of fuel injection quantity control.
Injection Quantity Calculation Method
Details the calculation method for injection quantity.
Set Injection Quantities
Explains the different types of injection quantities.
Fuel Injection Timing Control
Ouline
Outlines the control of fuel injection timing.
Main and Pilot Injection Timing Control
Details main and pilot injection timing control.
Microinjection Quantity Learning Control
Explains microinjection quantity learning control.
Fuel Injection Rate Control
Outline
Describes the control of fuel injection rate.
Fuel Injection Pressure Control
Fuel Injection Pressure
Explains how fuel injection pressure is determined.
Diagnostic Trouble Codes (DTC)
About the Codes Shown in the Table
Provides context for the diagnostic trouble codes presented.
Diagnostic Trouble Code Details
Lists and explains specific diagnostic trouble codes.
External Wiring Diagram
Engine ECU External Wiring Diagram
Shows the external wiring connections for the Engine ECU.
Engine ECU Connector Diagram
Details the connector pin assignments for the Engine ECU.
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