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Home >> Nissan-Datsun >> 2019 >> Altima Edition ONE >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System (DTC/Circuit Diagnosis) (Pr25DD) (3 Of 4)) >> DTC/Circuit Diagnosis >> P0533 A/C Refrigerant Pressure Sensor >> DTC Description >> PR25DD engine >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. PRECONDITIONING-1 

    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.

    TESTING CONDITION:

    Before performing the following procedure, confirm that battery voltage is 11 V or more under ignition switch OFF condition.

    GO TO 2.

  2. PRECONDITIONING-2 

    Check the following conditions:

    Ambient temperature

    0 deg. C (32 deg. F) or more

    Is the condition satisfied?

    YES

    GO TO 3.

    NO

    1. Satisfy the condition.
    2. GO TO 3.
  3. PERFORM COMPONENT FUNCTION CHECK 

    Perform component function check. Refer to Component Function Check .

    Is the inspection result normal?

    YES

    GO TO 4.

    NO

    Refer to DTC Diagnosis Procedure .

  4. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Start engine and warm it up to normal operating temperature.
    2. Hold vehicle speed at more than 40 km/h (25 MPH) for 180 consecutive seconds.
      CAUTION: Always drive vehicle at a safe speed.
    3. Check 1st trip DTC.

    Is 1st trip DTC detected?

    YES

    Refer to DTC Diagnosis Procedure .

    NO

    INSPECTION END

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