DTC    P0641    Sensor Reference Voltage "A" Circuit / Open

DESCRIPTION

WIRING DIAGRAM

INSPECTION PROCEDURE

CHECK HARNESS AND CONNECTOR (ACCELERATOR PEDAL POSITION SENSOR - ECM)

INSPECT ECM (VC VOLTAGE)

CHECK HARNESS AND CONNECTOR (DIFFERENTIAL PRESSURE SENSOR - ECM)

INSPECT ECM (VC VOLTAGE)

CHECK HARNESS AND CONNECTOR (TURBO PRESSURE SENSOR - ECM)

INSPECT ECM (VC VOLTAGE)

REPLACE TURBO PRESSURE SENSOR

CHECK WHETHER DTC OUTPUT RECURS (DTC P0641)

REPLACE DIFFERENTIAL PRESSURE SENSOR

CHECK WHETHER DTC OUTPUT RECURS (DTC P0641)

REPLACE ACCELERATOR PEDAL ASSEMBLY

REPAIR OR REPLACE HARNESS OR CONNECTOR

REPLACE ECM

CONFIRM WHETHER MALFUNCTION HAS BEEN SUCCESSFULLY REPAIRED