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Home >> Nissan-Datsun >> 2019 >> Titan SL, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 236 (Engine Control System (Basic Inspection) (5.0L)) >> Basic Inspection >> Additional Service When Replacing ECM >> Work Procedure

Work Procedure

WARNING: This page is about a different car, the 2019 Nissan Titan XD. However, it is still accessible from the selected car via links, so may be relevant.
  1. SAVE ECM DATA 
    1. Turn ignition switch OFF and wait at least 1 minute.
    2. Reconnect all harness connectors disconnected.
    3. Turn ignition switch ON.
    4. Select "SAVE COMPUTER DATA" in "Work support" mode of "ENGINE" using CONSULT.
    5. Follow the instructions on CONSULT display.
      NOTE: Necessary data in ECM is copied and saved to CONSULT.

    Is operation completed successfully?

    YES

    GO TO 2.

    NO

    GO TO 7.

  2. REPLACE THE ECM 
    1. Turn ignition switch OFF and wait at least 1 minute.
    2. Replace the ECM. Refer to Removal and Installation .

    GO TO 3.

  3. PERFORM PROGRAMMING 

    Refer to CONSULT Operation Manual.

    GO TO 4.

  4. PERFORM ECM KEY ID REGISTRATION 

    Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

    GO TO 5.

  5. PERFORM CONFIGURATION REGISTRATION 
    1. Turn ignition switch OFF and wait at least 1 minute.
    2. Turn ignition switch ON.
    3. Check that the battery voltage is between 11V and 14V.
    4. Wait at least 10 seconds.
      CAUTION: During this step, never perform any vehicle operation.
    5. If necessary, perform configuration registration using CONSULT function.

    GO TO 6.

  6. WRITE ECM DATA 
    1. Select "WRITE SAVED DATA" in "Work support" mode of "ENGINE" using CONSULT.
    2. Follow the instructions on CONSULT display.
      NOTE: The data saved by "WRITE SAVED DATA" is written to ECM.

    Is operation completed successfully?

    YES

    GO TO 12.

    NO

    GO TO 10.

  7. REPLACE THE ECM 
    1. Turn ignition switch OFF and wait at least 1 minute.
    2. Replace the ECM. Refer to Removal and Installation .

    GO TO 8.

  8. PERFORM PROGRAMMING 

    Refer to CONSULT Operation Manual.

    NOTE: If ECM shows ROM Boot mode or has failed the programming for any reason, key the vehicle OFF for a minimum of 2 minutes and then perform the programming of the ECM once again. This may require multiple attempts to get the ECM programming to complete.

    GO TO 9.

  9. PERFORM ECM KEY ID REGISTRATION 

    Refer to CONSULT Immobilizer mode and follow the on-screen instructions.

    GO TO 10.

  10. PERFORM CONFIGURATION REGISTRATION 
    1. Turn ignition switch OFF and wait at least 1 minute.
    2. Turn ignition switch ON.
    3. Check that the battery voltage is between 11V and 14V.
    4. Wait at least 10 seconds.
      CAUTION: During this step, never perform any vehicle operation.
    5. If necessary, perform configuration registration using CONSULT function.

    GO TO 11.

  11. PERFORM INJECTOR ADJUSTMENT VALUE REGISTRATION 

    Perform Description .

    GO TO 12.

  12. PERFORM VIN REGISTRATION 

    Perform Description .

    GO TO 13.

  13. CHECK DTC 
    1. Turn ignition switch OFF and wait at least 1 minute.
    2. Turn ignition switch ON.
    3. Check DTC. If DTC is displayed, erase it.

    Inspection End.

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