DTC    P0489    Exhaust Gas Recirculation Control Circuit Low

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

PERFORM ACTIVE TEST USING INTELLIGENT TESTER (CONTROL THE EGR STEP POSITION)

CHECK HARNESS AND CONNECTOR (ELECTRIC EGR VALVE ASSEMBLY - ECM)

INSPECT ELECTRIC EGR CONTROL VALVE ASSEMBLY

REPLACE ELECTRIC EGR CONTROL VALVE ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

CHECK WHETHER DTC OUTPUT RECURS (DTC P0489 OR P0490)

REPLACE ECM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED