DTC Diagnosis Procedure

1. Turn ignition switch OFF.
2. Check the following.
   • Blockage, crush, or damage in the hose and the piping of EVAP purge line between fuel tank and intake manifold.
   • Blockage, crush, or damage in the hose and the piping of intake air passage between inlet air duct and intake manifold.

Is the inspection result normal?

YES

GO TO 2.

NO

Repair or replace error-detected parts.

Check EVAP control system pressure sensor.

Is the inspection result normal?

YES

GO TO 3.

NO

Replace EVAP control system pressure sensor.

Check barometric pressure sensor. Refer to ECM : Removal & Installation .

Is the inspection result normal?

YES

Check intermittent incident. Refer to Inspection .

NO

Repair or replase malfunctioning part. Refer to ECM : Removal & Installation .