Nissan Versa (N17): P0524 engine oil pressure

DTC Logic

DTC DETECTION LOGIC

NOTE: If DTC P0524 is displayed with DTC P0520 or P0075, perform trouble diagnosis for DTC P0520 or P0075 first. Refer to EC, "DTC Logic" or EC, "DTC Logic".

DTC No.	Trouble diagnosis (Trouble diagnosis content)	Detecting condition	Possible cause
P0524	ENGINE OIL PRESSURE (Engine oil pressure too low)	An engine oil pressure sensor signal voltage applied to ECM remains lower than the specified value continuously for 10 seconds or more when the engine speed is 1,000 rpm ore more.	Decrease in engine oil pressure Decrease in engine oil level Engine oil condition Engine oil pressure sensor Engine body

DTC CONFIRMATION PROCEDURE

CAUTION: If "Diagnosis Procedure" is unfinished, be sure to perform Step 3 and 4.

1.PRECONDITIONING-I

If DTC Confirmation Procedure has been previously conducted, always perform the following procedure before conducting the next test.

1. Turn ignition switch OFF and wait at least 10 seconds.
2. Turn ignition switch ON.
3. Turn ignition switch OFF and wait at least 10 seconds.

TESTING CONDITION: Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

>> GO TO 2.

2.PRECONDITIONING-II

Is "Diagnosis Procedure" of DTC P0524 finished?

YES >> GO TO 5.

NO >> GO TO 3.

3.CHECK ENGINE OIL LEVEL

Check engine oil level. Refer to LU "Inspection".

Is the inspection result normal?

YES >> GO TO 4.

NO >> Proceed to EC, "Diagnosis Procedure"

4.CHECK ENGINE OIL PRESSURE

WITH CONSULT

1. Turn ignition switch ON.
2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
3. Start the engine and check that "EOP SENSOR" changes, according to engine speeds.

Without CONSULT

Check engine oil level. Refer to LU, "Inspection".

Is the inspection result normal?

YES >> GO TO 5.

NO >> Proceed to EC, "Diagnosis Procedure"

5.PERFORM DTC CONFIRMATION PROCEDURE

1. Start engine and warm it up to normal operating temperature.
2. Maintain the following conditions for about 10 consecutive seconds.

NOTE: With engine speed set around 4,000 rpm, the phenomenon can be reproduced more easily.

    3.   Check DTC.

Is 1st trip DTC detected?

YES >> Proceed to EC, "Diagnosis Procedure"

NO >> INSPECTION END

Diagnosis Procedure

1.CHECK ENGINE OIL LEVEL

1. Turn ignition switch OFF.
2. Check engine oil level. Refer to LU, "Inspection".

Is the inspection result normal?

YES >> GO TO 2.

NO >> GO TO 4.

2.CHECK ENGINE OIL PRESSURE

WITH CONSULT

1. Turn ignition switch ON.
2. Select "DATA MONITOR" mode of "ENGINE" using CONSULT.
3. Start the engine and check that "EOP SENSOR" changes, according to engine speeds.

Without CONSULT

Check engine oil level. Refer to LU, "Inspection".

Is the inspection result normal?

YES >> GO TO 3.

NO >> Check oil pressure. Refer to LU, "Inspection".

3.CHECK ENGINE OIL PRESSURE SENSOR

Check engine oil pressure sensor. Refer to EC, "Component Inspection".

Is the inspection result normal?

YES >> Check intermittent incident. Refer to GI, "Intermittent Incident".

NO >> Replace engine oil pressure sensor. Refer to EM, "Exploded View".

4.CHECK ENGINE OIL LEAKAGE

Check engine oil leakage. Refer to LU, "Inspection".

Is the inspection result normal?

YES >> GO TO 5.

NO >> Repair or replace error-detected parts.

Component Inspection

1.CHECK ENGINE OIL PRESSURE SENSOR

1. Turn ignition switch OFF.
2. Disconnect engine oil pressure sensor harness connector.
3. Check resistance between engine oil pressure sensor connector terminals.

Is the inspection result normal?

YES >> INSPECTION END.

NO >> Replace engine oil pressure sensor. Refer to EM, "Exploded View".