Nissan Rogue (T33) 2021-Present Service Manual: P052e Crankcase Ventilation Valve

Nissan Rogue (T33) 2021-Present Service Manual / Engine :: Engine Control System / Kr15ddt :: Dtc/circuit Diagnosis / P052e Crankcase Ventilation Valve

DTC Description

DTC DETECTION LOGIC

DTC

CONSULT screen terms

(Trouble diagnosis content) 		DTC detection condition
P052E 00

PCV Regulator Valve Performance

(PCV Regulator Valve Performance) 		Diagnosis condition

  • After engine warmed up

  • Engine running at idle

  • Intake manifold pressure is less than specified value
Signal (terminal) -
Threshold Crankcase pressure is less than specified value.
Diagnosis delay time -

POSSIBLE CAUSE

  • Harness or connectors

    (Crankcase ventilation valve circuit is open or shorted.)

  • Crankcase ventilation valve

  • Blow-by hose

    (Fresh air hose, admission valve hose and PCV valve hose)

  • PCV valve

  • Crankcase pressure sensor

  • Manifold absolute pressure sensor

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. Start the engine and warm it up to normal operating temperature.

  2. Let it idle at least 60 seconds under the following condition.

    • A/C switch: OFF

    • Selector lever: N

  3. Check DTC.

Is DTC detected?

YES>>

Proceed 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 BLOW-BY HOSE (FRESH AIR HOSE, ADMISSION VALVE HOSE AND PCV VALVE HOSE)

Check PCV valve hose for clogging.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace error-detected parts.

CHECK CRANKCASE VENTILATION VALVE

Check crankcase ventilation valve. Refer to Diagnosis Procedure.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace error-detected parts.

CHECK CRANKCASE PRESSURE SENSOR

Check the crankcase pressure sensor. Refer to Component Inspection.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Replace crankcase pressure sensor. Refer to Exploded View.

CHECK PCV VALVE

Check PCV valve. Refer to POSITIVE CRANKCASE VENTILATION : Periodic Maintenance.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace PCV valve. Refer to Exploded View.

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