ECD SYSTEM > Rough Idling or Excessive Engine Vibrations

DESCRIPTION

INSPECTION PROCEDURE

CHECK MALFUNCTION CONDITION

CHECK WIRE HARNESS IN ENGINE COMPARTMENT

PERFORM CONFIRMATION DRIVING PATTERN

CHECK OUTPUT DTC (RELATING TO ENGINE)

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FUEL LEAK TEST)

READ VALUE OF SENSOR (MAP, MAF, FUEL PRESS)

READ VALUE OF INJECTOR (INJECTION FEEDBACK VAL AND INJECTION VOLUME)

CHECK INJECTOR COMPENSATION CODE

CHECK BATTERY

BASIC INSPECTION

CHECK ENGINE MOUNTING INSULATOR

CHECK INTAKE AND EXHAUST SYSTEM

CHECK EGR VALVE ASSEMBLY

INSPECT DIESEL THROTTLE BODY ASSEMBLY

IDENTIFY MALFUNCTIONING CYLINDER INJECTOR

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FUEL CUT FOR IDENTIFYING MALFUNCTIONING CYLINDER)

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (FUEL CUT FOR IDENTIFYING MALFUNCTION)

CHECK CYLINDER COMPRESSION PRESSURE

CHECK MALFUNCTIONING CYLINDER INJECTION FOR DEPOSIT

CLEAN INJECTOR

READ VALUE OF INJECTOR ASSEMBLY (INJECTION FEEDBACK VAL AND INJECTION VOLUME)

CHECK ALL CYLINDER INJECTORS FOR DEPOSIT

CLEAN INJECTOR

READ VALUE OF INJECTOR (INJECTION FEEDBACK VAL AND INJECTION VOLUME)

INSPECT SUPPLY PUMP ASSEMBLY

INSPECT COMMON RAIL ASSEMBLY (FUEL PRESSURE SENSOR)