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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 89 (Engine Control System (DTC/Circuit Diagnosis) (3 Of 5)) >> DTC/Circuit Diagnosis >> DTC P062F: ECM >> Diagnosis Procedure

Diagnosis Procedure

WARNING: This page is about a different car, the 2018 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. INSPECTION START 

    Check that the battery negative terminal is not disconnected during ignition switch ON.

    Is the inspection result normal?

    YES

    GO TO 3.

    NO

    GO TO 2.

  2. ERASE DTC 
    1. Start the engine and let it idle at least 10 seconds.
    2. Turn ignition switch OFF.
    3. Repeat steps 1 and 2 for 4 times.
    4. Erase DTC.
    5. Turn ignition switch OFF and wait at least 10 seconds.
    6. Start the engine and let it idle for 10 seconds.
    7. Check 1st trip DTC.

    Is DTC P062F detected again?

    YES

    Replace ECM. Refer to Removal and Installation .

    NO

    INSPECTION END

  3. CHECK ECM POWER SUPPLY AND GROUND CIRCUIT 

    Check ECM power supply and ground circuit. Refer to Diagnosis Procedure .

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Repair or replace error-detected parts.

  4. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Turn ignition switch ON.
    2. Erase DTC.
    3. Perform DTC confirmation procedure. Refer to DTC Confirmation Procedure .

    Is the DTC P0603 or P062F detected again?

    YES

    Replace ECM. Refer to Removal and Installation .

    NO

    INSPECTION END

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