ECD SYSTEM > Engine Knocking or Rattling


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK FOR KNOCKING SOUND

CHECK HARNESS AND CONNECTOR (IN ENGINE ROOM)

CHECK INTAKE SYSTEM (PROCEDURE 3)

READ OUTPUT DTCS (RELATING TO ENGINE)

READ VALUE USING INTELLIGENT TESTER (MAP AND ATMOSPHERE PRESSURE)

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

CHECK INJECTOR COMPENSATION CODE

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

READ VALUE USING INTELLIGENT TESTER (CONTROL THE EGR STEP POSITION)

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (DIESEL THROTTLE TARGET ANGLE)

CHECK THE TEMPERATURE WHEN KNOCKING OCCURS

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

CHECK PRE-HEATING CONTROL CIRCUIT

READ VALUE USING INTELLIGENT TESTER (INJECTOR FEEDBACK VAL #1 TO #4)

READ VALUE USING INTELLIGENT TESTER (MAP AND MAF)

INSPECT ELECTRIC EGR VALVE ASSEMBLY

BASIC INSPECTION

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

READ VALUE USING INTELLIGENT TESTER (INJECTION VOLUME AND INJECTOR)

BLEED AIR FROM FUEL SYSTEM

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

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

CHECK HARNESS AND CONNECTOR (SUCTION CONTROL VALVE - ECM)

CONFIRM IF FUEL BEING SUPPLIED TO FUEL SUPPLY PUMP

REPLACE FUEL SUPPLY PUMP

BLEED AIR FROM FUEL SYSTEM

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

REPLACE COMMON RAIL ASSEMBLY

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

REPLACE INJECTOR ASSEMBLY

PERFORM REGISTRATION AND INITIALIZATION

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

PERFORM REGISTRATION AND INITIALIZATION

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED