Nissan Rogue (T33) 2021-Present Service Manual: P055f Engine Oil Pressure

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P055f Engine Oil Pressure

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P055F

Engine oil pressure

(Engine oil pressure out of range) 		Diagnosis condition

  • After ECM self shut-off.

  • Engine oil temperature is more than -10 ℃(14 ℉).
Signal (terminal) Engine oil pressure sensor signal
Threshold When the engine oil pressure is higher than normal value at stop engine.
Diagnosis delay time 3.5 seconds

POSSIBLE CAUSE

  • Harness or connectors (Engine oil pressure sensor, engine oil temperature sensor or crankshaft position sensor circuit is open or shorted.)

  • Engine oil pressure sensor

  • Engine oil temperature sensor

  • Engine oil pressure control solenoid valve

  • Crankshaft position sensor

  • Oil pump

  • Clogging in oil line

  • Amount of engine oil

FAIL-SAFE

Not applicable

DTC CONFIRMATION PROCEDURE

PRECONDITIONING

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.

>>

GO TO 2.

PERFORM DTC CONFIRMATION PROCEDURE

  1. Turn ignition switch ON and wait at least 30 seconds.

  2. Check 1st trip DTC.

Is 1st trip DTC detected?

YES>>

Refer to DTC Diagnosis Procedure.

NO-1>>

To check malfunction symptom before repair: Refer to Intermittent Incident.

NO-2>>

Confirmation after repair: INSPECTION END

DTC Diagnosis Procedure

CHECK DTC PRIORITY

If DTC P055F is displayed with other DTC, first perform the trouble diagnosis for other DTC.

Is other DTC detected?

YES>>

Perform diagnosis of applicable. Refer to DTC Index.

NO>>

GO TO 2.

CHECK HARNESS CONNECTOR

  1. Disconnect following sensors harness connector and ECM harness connector.

    • Engine oil pressure sensor

    • Engine oil temperature sensor

    • Crankshaft position sensor

  2. Connect following sensors harness connector and ECM harness connector.

    • Engine oil pressure sensor

    • Engine oil temperature sensor

    • Crankshaft position sensor

  3. Perform DTC Confirmation Procedure. Refer to DTC Description.

Is DTC detected?

YES>>

GO TO 3.

NO>>

INSPECTION END

CHECK ENGINE OIL LEVEL AND LEAKAGE

  1. Turn ignition switch OFF.

  2. Check engine oil level and leakage. Refer to Inspection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK OIL PUMP

Visually check oil pump and listen to operation sound.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace error-detected parts.

CHECK ENGINE OIL PRESSURE

With CONSULT

  1. Turn ignition switch ON.

  2. On CONSULT screen, select “ENGINE”>>“Data Monitor”.

  3. Start the engine and check that “Engine oil pressure sensor” changes, according to engine speeds.

    Monitor item Condition Value
    EOP SENSOR

    • Engine: After warming up

    • Selector lever: P or N

    • Air conditioner switch: OFF

    • No load

    		 Idle Approx. 1.360 V
    2,000 rpm Approx. 1.670 V

Without CONSULT

Check engine oil pressure. Refer to Inspection.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Change engine oil. Refer to Draining and Refilling.

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