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Home >> Infiniti >> 2017 >> Q60 Base, RWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Basic Inspection) (2.0L Turbo) >> Basic Inspection >> Additional Service When Replacing ECM >> Work Procedure >> Diagnostic Test
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Diagnostic Test

  1. SAVE ECM DATA

    G-20 With CONSULT

    1. Turn Ignition Switch OFF and wait at least 30 seconds.
    2. Reconnect all harness connectors disconnected.
    3. Turn Ignition Switch ON.
    4. Select "SAVING DATA FOR REPLAC 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.
      • Proceed to Step 2 regardless of with or without success in saving data.

    GO TO STEP 2  .

  2. REPLACE ECM

    1. Turn Ignition Switch OFF and wait at least 30 seconds.
    2. Replace ECM. Refer to REMOVAL AND INSTALLATION .

    GO TO STEP 3  .

  3. PERFORM PROGRAMMING

    Perform the ECM programming. Refer to "CONSULT Operation Manual".

    GO TO STEP 4  .

  4. PERFORM "ACTIVATION OF FUEL PUMP"

    G-20 With CONSULT

    Perform ACTIVATION OF FUEL PUMP. Refer to DESCRIPTION .

    GO TO STEP 5  .

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

    Refer to DESCRIPTION .

    GO TO STEP 6  .

  6. WRITE ECM DATA

    G-20 With CONSULT

    1. Select "WRITING DATA FOR REPLAC CPU" in "WORK SUPPORT" mode of "ENGINE".
    2. Follow the instruction of CONSULT display.
      NOTE:

      The data saved by "SAVING DATA FOR REPLAC CPU" is written to ECM.

    GO TO STEP 7  .

  7. PERFORM VIN REGISTRATION

    G-20 With CONSULT

    If necessary, perform "VIN REGISTRATION". Refer to DESCRIPTION .

    GO TO STEP 8  .

  8. PERFORM CONFIGURATION

    G-20 With CONSULT

    Select "Configuration" and select specification of the vehicle. Refer to DESCRIPTION .

    GO TO STEP 9  .

  9. PERFORM INJECTOR INJECTION QUANTITY ADJUSTMENT VALUE REGISTRATION

    G-20 With CONSULT

    Perform INJECTOR INJECTION QUANTITY ADJUSTMENT. Refer to DESCRIPTION .

    GO TO STEP 10  .

  10. PERFORM TEACH IN OF THROTTLE VALVE STOP

    G-20 With CONSULT

    1. Select "ENGINE" >> "WORK SUPPORT" >> "TEACH IN OF THROTTLE VALVE STOP". Refer to DESCRIPTION .
    2. Follow the instruction of CONSULT display.

    GO TO STEP 11  .

  11. CHECK DTC

    1. Turn Ignition Switch OFF and wait at least 30 seconds.
    2. Turn Ignition Switch ON.
    3. Check DTC. If DTC is displayed, erase it.

    END

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