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Home >> Nissan-Datsun >> 2020 >> Sentra S >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Basic Inspection >> Additional Service When Replacing TCM >> Work Procedure
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Work Procedure

CAUTION: When replacing TCM together with transaxle assembly, perform "ADDITIONAL SERVICE WHEN REPLACING TCM AND TRANSAXLE ASSEMBLY". Refer to Description .
NOTE: Before starting, make sure:
  • On the CONSULT has been synchronized to the current date.
  • All CONSULT software updates (if any) have been installed.
  1. SAVE THE TCM DATA (IP CHARACTERISTICS VALUE) 
    NOTE: Save necessary data stored in TCM in CONSULT according to the following instructions:
    1. Turn ignition switch OFF and wait for 10 seconds.
    2. Turn ignition switch ON.
    3. Select "Work Support" in "TRANSMISSION".
    4. Select "READ IP CHARA - REPLACEMENT TCM".
    5. Select "START".
      NOTE: When the calibration data has been saved to the CONSULT, the message "Data saved successfully" will be displayed and the current status will indicate "Completed".
    6. Select "END" to finish.

    GO TO  2.

  2. SAVE THE TCM DATA (VEHICLE SPECIFICATIONS) 

    SYMBOL With CONSULT

    1. Turn ignition switch OFF.
    2. Turn ignition switch ON.
    3. Select "Re/programming, Configuration".
    4. Select "TRANSMISSION".
      NOTE: If "AT/CVT" is not displayed and TCM data cannot be saved on CONSULT, GO TO  3.
    5. Select "Programming".
    6. Save TCM data on CONSULT according to the CONSULT display.

    GO TO  3.

  3. REPLACE THE TCM 
    1. Turn ignition switch OFF and wait for 10 seconds.
    2. Replace the TCM. Refer to Removal and Installation .

    GO TO  4.

  4. WRITE THE TCM DATA (VEHICLE SPECIFICATIONS) 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Select "Re/programming, Configuration".
    3. Select "TRANSMISSION".
    4. Select "Programming".
    5. Perform programming according to the CONSULT display.

    GO TO  5.

  5. WRITE THE TCM DATA (IP CHARACTERISTICS VALUE) 
    NOTE: Write data saved in CONSULT into a new TCM according to the following instructions:
    1. Verify vehicle is in "Park" (P), then turn ignition switch OFF and wait for 10 seconds.
    2. Turn ignition switch ON.
    3. Select "Work Support" in "TRANSMISSION".
    4. Select "WRITE IP CHARA - REPLACEMENT TCM".
    5. Select "START".
    6. Select "START" again.
    7. Select "YES" on the Information window.
      NOTE: When the calibration data has been written to the TCM, the message "Data writing completed successfully" will be displayed and the current status will indicate "Complete".
    8. Select "END" to finish.

    GO TO  6.

  6. PERFORM G-SENSOR CALIBRATION 

    Perform G-Sensor Calibration. Refer to Work Procedure .

    GO TO  7.

  7. PERFORM CLUTCH POINT LEARNING 

    Perform Clutch Point Learning. Refer to Description .

    GO TO  8.

  8. PERFORM SELECT LEARNING (DRIVE/REVERSE LEARNING) 
    NOTE: Always perform Clutch Point Learning before Select Learning.
    1. Perform Select Learning. Refer to Work Procedure .
    2. Clear any DTCs that may have set and then test drive the vehicle.

    WORK END