Nissan Rogue (T33) 2021-Present Service Manual: Crankcase Pressure Sensor

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

Diagnosis Procedure

CHECK CRANKCASE PRESSURE SENSOR POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect crankcase pressure sensor connector.

  3. Turn ignition switch ON.

  4. Check the voltage between crankcase pressure sensor harness connector terminals.

    + −

    Voltage

    (Approx.)
    Crankcase pressure sensor
    Connector Terminal
    F128 3 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK CRANKCASE PRESSURE SENSOR POWER SUPPLY CIRCUIT FOR OPEN AND SHORT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between crankcase pressure sensor harness connector and ECM harness connector.

    Crankcase pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    F128 3 F71 77 Existed

  4. Also check harness for short to ground.

Is the inspection result normal?

YES>>

Perform trouble diagnosis for power supply circuit.

NO>>

Repair or replace error-detected parts.

CHECK CRANKCASE PRESSURE SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between crankcase pressure sensor harness connector and ECM harness connector.

    Crankcase pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    F128 2 F71 103 Existed

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace error-detected parts.

CHECK CRANKCASE PRESSURE SENSOR SIGNAL CIRCUIT FOR OPEN AND SHORT

  1. Turn ignition switch OFF.

  2. Disconnect ECM harness connector.

  3. Check the continuity between crankcase pressure sensor harness connector and ECM harness connector.

    Crankcase pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    F128 1 F71 112 Existed

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

Is the inspection result normal?

YES>>

GO TO 5.

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 6.

NO>>

Replace crankcase pressure sensor. Refer to Exploded View.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to Intermittent Incident.

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Repair or replace error-detected parts.

Component Inspection

CHECK CRANKCASE PRESSURE SENSOR

  1. Turn ignition switch ON.

  2. Check the voltage between ECM harness connector terminals as per the following condition.

    ECM Voltage
    Connector + −
    Terminal
    F71 112 103 3.50 - 3.78 V

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Replace crankcase pressure sensor.

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