DTC Diagnosis Procedure
- CHECK DTC PRIORITY
If DTC P0507 is displayed with other DTC, first perform the confirmation procedure (trouble diagnosis) for other DTC.
Is applicable DTC detected?
YES>>
Perform diagnosis of applicable. Refer to DTC Index .
NO>>
GO TO 2.
- CHECK PCV HOSE CONNECTION
Confirm that PCV hose is connected correctly.
Is the inspection result normal?
YES>>
GO TO 3.
NO>>
Repair or replace.
- CHECK INTAKE AIR LEAK
- Start engine and let it idle.
- Listen for an intake air leak after the mass air flow sensor.
Is intake air leak detected?
YES>>
Discover air leak location and repair.
NO>>
GO TO 4.
- REPLACE ECM
- Stop engine.
- Replace ECM. Refer to ECM : Removal and Installation .
- Refer to Work Procedure .
>>
INSPECTION END