ECD SYSTEM > Engine Knocking or Rattling

DESCRIPTION

INSPECTION PROCEDURE

CHECK SOUND AREA

CHECK WIRE HARNESS IN ENGINE COMPARTMENT

PERFORM CONFIRMATION DRIVING PATTERN

READ OUTPUT DTC (RELATING TO ENGINE)

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (TEST THE FUEL LEAK)

READ VALUE OF MANIFOLD ABSOLUTE PRESSURE SENSOR AND FUEL PRESSURE SENSOR

READ VALUE OF INFECTOR ASSEMBLY (INJECTION FEED BACK VAL AND INJECTION VOLUME)

CHECK INJECTOR COMPENSATION CODE

CHECK BATTERY

BASIC INSPECTION

CHECK INTAKE AND EXHAUST SYSTEM

INSPECT DIESEL THROTTLE BODY ASSEMBLY

CHECK COMBUSTION

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)

IDENTIFY MALFUNCTIONING CYLINDER INJECTOR

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

CHECK ALL CYLINDER INJECTORS FOR DEPOSIT

CLEAN INJECTOR

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

CHECK SOUND AREA

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

INSPECT SUPPLY PUMP ASSEMBLY

INSPECT COMMON RAIL ASSEMBLY (FUEL PRESSURE SENSOR)