DTC Diagnosis Procedure

If DTC P0506 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.

1. Start engine and let it idle.
2. 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 3.

1. Stop the engine.
2. Replace ECM. Refer to ECM : Removal and Installation .
3. Refer to Work Procedure .

>>

INSPECTION END