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B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: Before Replacing ECM

  1. SAVE ECM DATA

    With CONSULT

    1. Turn ignition switch OFF.

    2. Reconnect all harness connectors disconnected.

    3. Turn ignition switch ON.

    4. Select “SAVING DATA FOR REPLC CPU” in “WORK SUPPORT” mode of “ENGINE” using CONSULT.

    5. Follow the instruction of CONSULT display.

    Note:

    • Necessary data in ECM is copied and saved to CONSULT.

    • Go to Step 2 regardless of with or without success in saving data.

    >>

    GO TO 2.

  2. SAVE ‘OPERATION LOG’

    With CONSULT

    Save Operation Log, according to the procedure of “Programming” in CONSULT Operation Manual.

    Note:

    ECM part number is saved in Operating Log saved in CONSULT.

    >>

    • Replace ECM.

    • After replacing ECM, perform necessary work.

    Basic Inspection
    Diagnosis and Repair Work Flow Diagnostic Work Sheet Diagnostic Work Sheet DESCRIPTION There are many operating conditions that lead to the malfunction of engine components. A g...
    After Replacing ECM
    CHECK ‘OPERATION LOG’ With CONSULT Check Operation Log saved before replacing ECM, according to the procedure of “Programming” in CONSULT Operation Manual. Note: For the...

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    Brake Fluid Level and Leaks
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