Kubota WG1605 User Manual

KUBOTA ENGINE AMERICA
Service Training
Kubota Engine Training:
WG1605, spark ignited

Kubota WG1605 Specifications

General

Brand	Kubota
Model	WG1605
Category	Engine
Language	English

Summary

Kubota Engine Training: WG1605, spark ignited

Fuel System Overview

Gaseous Fuel System Overview

Diagram illustrating the gaseous fuel system components.

Gasoline Fuel System Overview

Diagram illustrating the gasoline fuel system components.

Dual Fuel System Overview

Diagram illustrating the dual fuel system components.

Fuel Delivery Pipe and Injectors

Mechanical Components

Electronic Control Unit (ECU)

ECU Wiring Diagram and Connections

Illustrates the ECU's electrical connections and pin assignments.

ECU Inputs and Outputs Explained

Describes the inputs and outputs managed by the ECU.

Ignition Coil Operation

Ignition Coil Wiring Diagrams

Gasoline System Components

Electric Fuel Pump Functionality

Describes the electric fuel pump and its ECU control.

Fuel Pressure Manifold (FPM) Details

LPG System Components

Lock Off Valve Functionality

DEPR (Direct Electronic Pressure Regulator)

DEPR Electrical Connections and Function

Engine Coolant Temperature Sensor

Oil Pressure Switch Functionality

Electronic Throttle Body (ETB)

ETB Operation and Specifications

ETB Wiring Diagram

Oxygen (O₂) Sensor System

Pre-Cat O₂ Sensor Details

Describes the pre-catalyst sensor's Bosch LSF4 type and function.

Post-Cat O₂ Sensor Details

Describes the post-catalyst sensor's role in efficiency checking.

O₂ Sensor Testing Procedures

Explains automated tests for sensor integrity and response.

Temperature and Manifold Absolute Pressure Sensor

TMAP Sensor Functionality

Cam and Crank Sensors Interaction

Service Tool Operations

E-Com Interface Device

Connects USB port to engine connection for diagnostics.

Service Tool Software Availability

Details software download and interface availability.

Service Tool Interface Screens Overview

Introduces the FEDIS ECI Target Communications interface.

Service Tool Data Monitoring & DTCs

Service Tool Diagnostic Tests

GCP Display Modes

GCP Gauge Page Display

GCP Raw Volts Page Display

GCP Service Pages Display

GCP Tests Page Display

GCP Faults Page Display