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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (2 Of 6)) >> DTC/Circuit Diagnosis >> DTC P0125: ECT Sensor >> DTC Description >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
  1. CHECK DTC PRIORITY 

    If DTC P0125 is displayed with P0117 or P0118, first perform the trouble diagnosis for DTC P0117, P0118.

    Is applicable DTC detected?

    YES

    Perform the diagnosis of the applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. PRECONDITIONING 
    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 3.

  3. CHECK ENGINE COOLANT TEMPERATURE SENSOR 1 FUNCTION 

    SYMBOL WITH CONSULT

    1. Turn ignition switch ON.
    2. Select "DATA MONITOR" mode with CONSULT.
    3. Check that "COOLAN TEMP/S" is above -10 deg.C (14 deg.F).

    SYMBOL WITH GST

    Follow the procedure "With CONSULT" above.

    Is the temperature above -10 deg.C (14 deg.F)?

    YES

    INSPECTION END

    NO

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE 

    SYMBOL WITH CONSULT

    1. Start engine and run it for 65 minutes at idle speed.

      If "COOLAN TEMP/S" increases to more than -10 deg.C (14 deg.F) within 65 minutes, stop engine because the test result will be OK.

      CAUTION: Never overheat engine.
    2. Check 1st trip DTC.

    SYMBOL WITH GST

    Follow the procedure "With CONSULT" above.

    Is 1st trip DTC detected?

    YES

    Diagnosis Procedure 

    NO

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    NO

    Confirmation after repair: INSPECTION END