ECD SYSTEM > Lack of Power or Hesitation


DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

READ OUTPUT DTC (RELATED TO ENGINE)

TAKE SNAPSHOT DURING LACK OF POWER

CHECK SNAPSHOT

CHECK SNAPSHOT

INSPECT VACUUM HOSE

READ VALUE USING INTELLIGENT TESTER (MAP AND ATMOSPHERE PRESSURE)

INSPECT MASS AIR FLOW METER

INSPECT ELECTRIC EGR VALVE ASSEMBLY

READ VALUE USING INTELLIGENT TESTER (ACCEL POSITION)

INSPECT DIESEL THROTTLE BODY ASSEMBLY

CHECK INTAKE SYSTEM

INSPECT TURBOCHARGER SUB-ASSEMBLY

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

CHECK AND REPLACE FUEL INLET LINE

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

CHECK HARNESS AND CONNECTOR (SUCTION CONTROL VALVE - ECM)

CHECK IF FUEL IS BEING SUPPLIED TO FUEL SUPPLY PUMP

REPLACE FUEL SUPPLY PUMP

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

READ VALUE USING INTELLIGENT TESTER (CATALYST DIFFERENTIAL PRESS)

CHECK TEMPERATURE WHEN LACK OF POWER OCCURS

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

CHECK PRE-HEATING CONTROL CIRCUIT

CHECK INJECTOR COMPENSATION CODE

CHECK FUEL QUALITY

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

CHECK INJECTOR COMPENSATION CODE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE CYLINDER #1 TO #4 FUEL CUT)

READ VALUE USING INTELLIGENT TESTER (ENGINE SPEED OF CYL #1 TO #4)

CHECK CYLINDER COMPRESSION PRESSURE OF MALFUNCTIONING CYLINDER

REPLACE INJECTOR ASSEMBLY OF MALFUNCTIONING CYLINDER

PERFORM REGISTRATION AND INITIALIZATION

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

CHECK INTAKE SYSTEM DEPOSIT

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

REPLACE INJECTOR ASSEMBLY OF ALL CYLINDERS

PERFORM REGISTRATION AND INITIALIZATION

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

CHECK AND REPLACE CLOGGED FUEL PIPE (INCLUDING FUEL FREEZING) (FUEL TANK - FUEL SUPPLY PUMP)

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (FIRST TIME OF ACTIVATE THE DPF REJUVENATE (PM))

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (SECOND TIME OF ACTIVATE THE DPF REJUVENATE (PM))

PERFORM REGISTRATION AND INITIALIZATION

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED