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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Control System (DTC/Circuit Diagnosis) (5.6L) (4 Of 6)) >> DTC/Circuit Diagnosis >> DTC P05EC: Cold Start Control >> DTC Diagnosis Procedure

DTC Diagnosis Procedure

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

    If DTC P05EC is displayed with other DTC first perform the trouble diagnosis for other DTC.

    Is applicable DTC detected?

    YES

    Perform diagnosis of applicable. Refer to DTC Index .

    NO

    GO TO 2.

  2. INSPECTION START 
    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure. Refer to DTC Description .
    4. Check 1st trip DTC.

    Is the 1st trip DTC P05EC displayed again?

    YES

    GO TO 3.

    NO

    INSPECTION END

  3. REPLACE ECM 

    Replace ECM. Refer to Removal and Installation .

    INSPECTION END