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

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

Component Function Check

CHECK REFRIGERANT PRESSURE SENSOR FUNCTION

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

  2. Turn A/C switch and blower fan switch ON.

  3. Check the voltage between ECM harness connector terminals under the following conditions.

    ECM Voltage
    Connector + –
    Terminal
    F71 74 105 1.0 – 4.0 V

Is the inspection result normal?

YES>>

INSPECTION END

NO>>

Refer to Diagnosis Procedure.

Diagnosis Procedure

CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY

  1. Turn ignition switch OFF.

  2. Disconnect refrigerant pressure sensor harness connector.

  3. Turn ignition switch ON.

  4. Check the voltage between refrigerant pressure sensor harness connector and ground.

    + −

    Voltage

    (Approx.)
    Refrigerant pressure sensor
    Connector Terminal
    E33 1 Ground 5 V

Is the inspection result normal?

YES>>

GO TO 3.

NO>>

GO TO 2.

CHECK REFRIGERANT PRESSURE SENSOR POWER SUPPLY CIRCUIT

  1. Turn ignition switch ON.

  2. Disconnect ECM harness connector.

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

    Refrigerant pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    E33 1 F71 79 Existed

  4. Also check harness for short to power.

Is the inspection result normal?

YES>>

Perform trouble diagnosis for power supply circuit.

NO>>

Repair or replace malfunctioning part.

CHECK REFRIGERANT PRESSURE SENSOR GROUND CIRCUIT

  1. Check the continuity between refrigerant pressure sensor harness connector and ECM harness connector.

    Refrigerant pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    E33 3 F71 105 Existed

  2. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 4.

NO>>

Repair or replace malfunctioning part.

CHECK REFRIGERANT PRESSURE SENSOR INPUT SIGNAL CIRCUIT

  1. Check the continuity between refrigerant pressure sensor harness connector and ECM harness connector.

    Refrigerant pressure sensor ECM Continuity
    Connector Terminal Connector Terminal
    E33 2 F71 74 Existed

  2. Also check harness for short to power.

Is the inspection result normal?

YES>>

GO TO 5.

NO>>

Repair or replace malfunctioning part.

CHECK INTERMITTENT INCIDENT

Check intermittent incident. Refer to Intermittent Incident.

Is the inspection result normal?

YES>>

Replace refrigerant pressure sensor. Refer to Removal and Installation.

NO>>

Repair or replace malfunctioning part.

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