ECD SYSTEM > Black Smoke Emitted

INSPECTION PROCEDURE

CHECK OUTPUT DTC (RELATED TO ENGINE)

READ VALUE OF INJECTOR ASSEMBLY (INJECTION VOLUME AND INJECTION FEED BACK VAL #1 TO #4)

PERFORM ENGINE RPM ACCELERATION

CHECK AIR INTAKE SYSTEM AND EXHAUST SYSTEM

READ VALUE OF MASS AIR FLOW RATE

CHECK TURBOCHARGING PRESSURE

PERFORM ACTIVE TEST BY FUEL PRESSURE SENSOR AND INJECTOR ASSEMBLY

INSPECT CYLINDER COMPRESSION PRESSURE

CHECK WIRE HARNESS (INJECTOR ASSEMBLY - EDU)

PERFORM ACTIVE TEST BY INTELLIGENT TESTER (CONTROL THE CYLINDER FUEL CUT)

CHECK ECM (THW VOLTAGE)

CHECK ECM (PIM VOLTAGE)

CHECK ECM (NE SIGNAL)

CHECK ECM (VPA, VPA2 VOLTAGE)

CHECK ECM (THA VOLTAGE)

CHECK ECM (PCR1 VOLTAGE)

INSPECT ENGINE COOLANT TEMPERATURE SENSOR

CHECK WIRE HARNESS (MANIFOLD ABSOLUTE PRESSURE SENSOR - ECM)

INSPECT CRANKSHAFT POSITION SENSOR

CHECK WIRE HARNESS (ACCELERATOR PEDAL POSITION SENSOR - ECM)

INSPECT INTAKE AIR TEMPERATURE SENSOR

INSPECT COMMON RAIL ASSEMBLY (FUEL PRESSURE SENSOR)

CHECK WIRE HARNESS (FUEL PRESSURE SENSOR - ECM)

REPLACE ECM