DTC    P1228    Injection Pump Fuel Metering Control "A" Range / Performance (Cam / Rotor / Injector)

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

INSPECT SUPPLY PUMP ASSEMBLY (SUCTION CONTROL VALVE)

CHECK HARNESS AND CONNECTOR (SUCTION CONTROL VALVE - ECM)

CHECK HARNESS AND CONNECTOR (SUCTION CONTROL VALVE - INTEGRATION RELAY)

CHECK ECM POWER SOURCE CIRCUIT

CHECK WHETHER DTC OUTPUT RECURS

REPLACE ECM

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE SUPPLY PUMP ASSEMBLY

BLEED AIR FROM FUEL SYSTEM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED