Diagnostic Procedure

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ENGINE OIL WARNING LIGHT ILLUMINATED/MESSAGE RELATED TO ENGINE HYDRAULIC PRESSURE INDICATED IN DISPLAY (PYUL) DIAGNOSTIC PROCEDURE

Step	Inspection	Results	Action
1	INSPECT ENGINE OIL LEVEL Inspect the engine oil level. (Refer to [ENGINE OIL LEVEL INSPECTION ] in Service Information). Is there any malfunction?	Yes	Inspect for engine oil leakage. Repair or replace the malfunctioning location. Add genuine engine oil and perform the repair completion verification 1. (Refer to [ENGINE OIL LEVEL INSPECTION ] in Service Information).
1		No	Go to the next step.
2	LUBRICATE ENGINE OIL INSIDE ENGINE Start the engine. Increase and keep the engine speed at 2, 500 rpm for 5 s. Does the engine oil warning light illuminate?	Yes	Go to the next step.
2		No	Perform the repair completion verification 1.
3	VERIFY PCM DTCs Perform the DTC inspection for the PCM. (See DTC INSPECTION .) Are any DTCs displayed?	Yes	Repair or replace the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [PCM (PYUL)] .)
3		No	Go to the next step.
4	VERIFY BODY CONTROL MODULE (BCM) DTCs Perform the DTC inspection for the body control module (BCM). (See DTC INSPECTION .) Are any DTCs displayed?	Yes	Repair or replace the malfunctioning location according to the applicable DTC troubleshooting. (See DTC TABLE [BCM] .)
4		No	Go to the next step.
5	VERIFY INSTRUMENT CLUSTER FOR MALFUNCTION Inspect the applicable part. (Refer to [INSTRUMENT CLUSTER INSPECTION ] in Service Information). Is the part normal?	Yes	Go to the next step.
5		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (Refer to [INSTRUMENT CLUSTER REMOVAL/INSTALLATION ] in Service Information).
6	VERIFY BODY CONTROL MODULE (BCM) FOR MALFUNCTION Inspect the applicable part. (Refer to [BODY CONTROL MODULE (BCM) INSPECTION ] in Service Information). Is the part normal?	Yes	Go to the next step.
6		No	Repair or replace the malfunctioning location and perform the repair completion verification 1. (Refer to [BODY CONTROL MODULE (BCM) 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).