Diagnostic Procedure

WARNING: This page is about a different variant/trim than selected.

HIGH OIL CONSUMPTION/LEAKAGE (PYUL) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	INSPECT ENGINE OIL AND RELATED PARTS Inspect the following: Proper oil level gauge Engine oil viscosity Engine oil level Are all the items normal?	Yes	Go to the next step.
1		No	Repair or replace the malfunctioning location 1, then repeat from Step 1.
2	INSPECT FOR ENGINE OIL LEAKAGE Inspect for engine oil leakage from the outside of the engine. Is there engine oil leakage?	Yes	Repair or replace the malfunctioning location and perform the repair completion verification 1.
2		No	Go to the next step.
3	DETERMINE IF MALFUNCTION CAUSE IS DUE TO PCV VALVE OR INTERNAL ENGINE MALFUNCTION Inspect the PCV valve. (Refer to [POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION ] in Service Information). Is the PCV valve normal?	Yes	Inspect for the following engine internal parts: Cylinder Piston ring Intake valve Exhaust valve Such as cylinder head gasket If there is any malfunction: Repair or replace the malfunctioning location and perform the repair completion verification 1.
3		No	Replace the PCV valve and perform the repair completion verification 1. (Refer to [POSITIVE CRANKCASE VENTILATION (PCV) VALVE REMOVAL/INSTALLATION ] in Service Information).
Repair completion verification 1	VERIFY THAT VEHICLE IS REPAIRED Install/connect the part removed/disconnected during the troubleshooting procedure. Has the malfunction symptom been eliminated?	Yes	Complete the symptom troubleshooting. (Explain contents of repair to customer)
Repair completion verification 1		No	Refer to the controller area network (CAN) malfunction diagnosis flow to inspect for a CAN communication error. (See MALFUNCTION DIAGNOSIS FLOW [CONTROLLER AREA NETWORK (CAN)] .) If the CAN communication is normal, perform the diagnosis from Step 1. If the malfunction recurs, replace the PCM. (Refer to [PCM REMOVAL/INSTALLATION ] in Service Information).