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Home >> Nissan-Datsun >> 2017 >> 370Z Base, 2D Convertible >> Repair and Diagnosis >> Engine Performance >> Testing & Diagnosis >> Engine Control System (Basic Inspection) >> Basic Inspection >> Inspection And Adjustment >> Additional Service When Replacing Control Unit (ECM) >> Special Repair Requirement >> Diagnostic Test
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Diagnostic Test

  1. CHECK ECM PART NUMBER

    Check ECM part number to see whether it is blank ECM or not.

    NOTE:
    • Part number of blank ECM is 23703 - *****.
    • Check the part number when ordering ECM or with the one included in the label on the container box.

    Is the ECM a blank ECM?

    YES 

    GO TO STEP 2  .

    NO 

    GO TO STEP 4  .

  2. SAVE ECM PART NUMBER

    Read out the part number from the old ECM and save the number, following the programming instructions. Refer to "CONSULT Operation Manual".

    NOTE:
    • The ECM part number is saved in CONSULT.
    • Even when ECM part number is not saved in CONSULT, go to 3.

    GO TO STEP 3  .

  3. PERFORM ECM PROGRAMMING

    After replacing ECM, perform the ECM programming. Refer to "CONSULT Operation Manual".

    NOTE:
    • During programming, maintain the following conditions:
      • Ignition switch: ON
      • Electric load: OFF
      • Brake pedal: Not depressed
      • Battery voltage: 12 - 13.5 V (Be sure to check the value of battery voltage by selecting "BATTERY VOLT" in "Data monitor" of CONSULT.)

    GO TO STEP 5  .

  4. REPLACE ECM

    Replace ECM.

    GO TO STEP 5  .

  5. PERFORM INITIALIZATION OF NVIS (NATS) SYSTEM AND REGISTRATION OF ALL NVIS (NATS) IGNITION KEY IDS

    Refer to DESCRIPTION .

    GO TO STEP 6  .

  6. PERFORM VIN REGISTRATION

    Refer to DESCRIPTION .

    GO TO STEP 7  .

  7. PERFORM ACCELERATOR PEDAL RELEASED POSITION LEARNING

    Refer to DESCRIPTION .

    GO TO STEP 8  .

  8. PERFORM THROTTLE VALVE CLOSED POSITION LEARNING

    Refer to DESCRIPTION .

    Is the vehicle with SynchroRev Match mode (S-MODE) ?

    YES 

    GO TO STEP 9  .

    NO 

    GO TO STEP 10  .

  9. PERFORM M/T NEUTRAL POSITION LEARNING

    Refer to DESCRIPTION .

    GO TO STEP 10  .

  10. PERFORM IDLE AIR VOLUME LEARNING

    Refer to DESCRIPTION .

    END