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

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

Diagnosis Procedure

CHECK CRANKCASE VENTILATION VALVE POWER SUPPLY CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect IPDM E/R harness connector.

  3. Check the continuity between crankcase ventilation valve harness connector and IPDM E/R harness connector.

    Crankcase ventilation valve IPDM E/R Continuity
    Connector Terminal Connector Terminal
    F130 1 E35 66 Existed

  4. Also check harness for short to ground.

Is the inspection result normal?

YES>>

GO TO 2.

NO>>

Repair or replace error-detected parts.

CHECK CRANKCASE VENTILATION VALVE INPUT SIGNAL CIRCUIT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between crankcase ventilation valve harness connector and ECM harness connector.

    Crankcase ventilation valve ECM Continuity
    Connector Terminal Connector Terminal
    F130 1 F72 10 Existed

  4. Also check harness for short to ground and to power.

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

Repair or replace error-detected parts.

CHECK CRANKCASE VENTILATION VALVE

Check the crankcase ventilation valve. Refer to Component Inspection.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace crankcase ventilation valve. Refer to Exploded View.

Component Inspection

CHECK CRANKCASE VENTILATION VALVE

  1. Turn ignition switch OFF.

  2. Disconnect crankcase ventilation valve harness connector.

  3. Disconnect Fresh air hose and air duct connected to crankcase ventilation valve.

  4. Remove resonator. Refer to Exploded View.

  5. Check air passage continuity of crankcase ventilation valve as per the following conditions.

    Crankekase ventilation valve

    Resonator

    Condition Air passage continuity between and
    12 V direct current supply between terminals 1 and 2 Not existed
    No supply Existed

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace crankcase ventilation valve. Refer to Exploded View.

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