Confirmation Procedure
- PRECONDITIONING
Turn ignition switch OFF and wait at least 10 seconds.
GO TO 2.
- PERFORM DTC CONFIRMATION PROCEDURE
- Start the engine and let it idle at least 10 seconds.
- Check 1st trip DTC.
Is DTC P1557 detected?
YES
Refer to DTC Diagnosis Procedure .
NO
To check malfunction symptom before repair: Refer to Inspection .
NO
Confirmation after repair: INSPECTION END