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Kubota 07-CR-E5 User Manual

Kubota 07-CR-E5
373 pages
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DIAGNOSIS MANUAL
COMMON RAIL SYSTEM
07-CR-E5
KiSC issued 03, 2022 A

Table of Contents

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Kubota 07-CR-E5 Specifications

General IconGeneral
Number of Cylinders3
Compression Ratio19.0:1
Fuel SystemCommon rail system
TypeVertical, water-cooled 4-cycle diesel
Lubrication SystemForced lubrication with trochoid pump
Starting SystemElectric starter
Cooling SystemWater-cooled
Emissions complianceEU Stage V

Summary

SAFETY FIRST

BEFORE SERVICING AND REPAIRING

Instructions and safety guidelines for preparing the machine before servicing or repair.

SAFETY STARTING

Guidelines for safely starting the engine, emphasizing starter terminals and safety switches.

SAFETY WORKING

AVOID FIRES

Precautions against fire hazards, including fuel handling, sparks, and battery safety.

VENTILATE WORK AREA

PREVENT ACID BURNS

Safety measures for handling battery electrolyte to prevent chemical burns.

DISPOSE OF FLUIDS PROPERLY

Guidelines for environmentally responsible disposal of hazardous fluids and waste materials.

PREPARE FOR EMERGENCIES

Recommendations for emergency preparedness, including first aid kits and emergency contact information.

COMMON RAIL SYSTEM

BASIC SYSTEM INFORMATION

SYSTEM CONFIGURATION

Details the overall system configuration, including ECU, sensors, actuators, and connectors.

FUEL SYSTEM

Explains the components and flow of the fuel system, including the pump, injectors, and rail.

INTAKE AND EXHAUST SYSTEM

Illustrates the engine's intake and exhaust systems, including turbocharger and EGR.

WIRING DIAGRAM

Presents detailed wiring diagrams for various harness connections within the system.

AVAILABLE DATA MONITOR SIGNALS

Lists available data signals for monitoring via diagnostic tools, detailing classification and terminal information.

ENGINE ECU PIN ASSIGNMENT

Details the pin assignments for the Engine ECU, covering Engine Side and Machine Side.

NORMAL VALUE

Monitor Items

Lists monitor items with their signal names, units, terminal names, and terminal numbers for diagnostic reference.

Normal Value

Provides normal operating values for various signals across different engine states and speeds.

SERVICING

GENERAL

Provides general information and overall diagnostic procedures for the common rail system.

OVERALL DIAGNOSTIC PROCEDURE

Outlines the systematic steps for diagnosing engine malfunctions, including DTC checks and symptom verification.

QUESTIONING

Guides on effective customer questioning to identify malfunction symptoms and causes.

LIST OF MALFUNCTION SYMPTOM

Lists common malfunction symptoms with their potential causes and recommended actions for troubleshooting.

ACTIONS FOR NON-REOCCURRING MALFUNCTIONS

Details procedures for diagnosing intermittent malfunctions not causing DTCs, including harness and connector checks.

DIAGNOSTIC TOOL CONNECTION PROCEDURE

DIAGNOSTIC CONNECTOR POSITIONS

Identifies the locations of diagnostic connectors on the machine for tool connection.

DIAGNOSTIC TOOL CONNECTION PROCEDURE

Step-by-step guide for connecting diagnostic tools and software, including initial communication settings.

CHECKING THE COMMUNICATION OPERATION OF THE INTERFACE (DST-i)

Procedure to verify interface communication by checking the DST-i unit's indicators during normal and abnormal operation.

ACTIVE TEST AND UTILITY

DIAGNOSIS BY MALFUNCTION SYMPTOM

LIST OF MALFUNCTION CAUSES BY SYMPTOM

Lists possible causes of malfunctions categorized by symptom for systematic troubleshooting.

DIAGNOSIS BY MALFUNCTION SYMPTOM

Detailed diagnostic procedures for specific malfunction symptoms, guiding through checks and repairs.

DIAGNOSTIC PROCEDURE BY DTC

DTC LIST

Comprehensive list of Diagnostic Trouble Codes (DTCs) with their corresponding P-codes and reference pages.

DIAGNOSTIC PROCEDURE BY DTC

Detailed troubleshooting steps for each Diagnostic Trouble Code (DTC), including detection items and system actions.

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