LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2019 >> QX50 Essential, FWD >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Automatic Transmission >> Basic Inspection >> Additional Service When Replacing Transaxle Assembly >> Work Procedure
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Work Procedure

NOTE: Before starting, make sure:
  • ASIST on the CONSULT has been synchronized to the current date.
  • All CONSULT software updates (if any) have been installed.
  1. PRINT CURRENT CALIBRATION DATA 

    SYMBOL With CONSULT

    1. Connect CONSULT.
    2. Select "CALIB DATA" in "TRANSMISSION".
    3. Print 1 of 7.
      NOTE: This screen print is used for warranty documentation.

    GO TO 2.

  2. CHECK THE SERIAL NUMBER (PART 1) 

    Write down the serial number of new transaxle assembly.

    GNSALDIA0128Z-128Courtesy of NISSAN NORTH AMERICA, INC.

    GO TO 3.

  3. CHECK THE SERIAL NUMBER (PART 2) 

    SYMBOL With CONSULT

    1. Turn ignition switch ON.
    2. Insert the supplied CD into CONSULT.
    3. Select "Work Support" in "TRANSMISSION".
    4. Select "WRITE IP CHARA - REPLACEMENT AT/CVT".
    5. Select "OK" on the "Select IP characteristics data file" window.
    6. Open the calibration file located on the supplied CD.
    7. Confirm that the serial number (calibration file number) displayed on CONSULT screen matches the serial number (calibration file number) on the transaxle assembly.
    8. Select "Next" on the "WRITE IP CHARA - REPLACEMENT AT/CVT" Work Support screen.

    GO TO 4.

  4. WRITE THE DATA (IP CHARACTERISTICS VALUE) 
    NOTE: Write data of new solenoid in TCM according to the following instructions:

    SYMBOL With CONSULT

    1. Turn ignition switch ON, engine OFF.
    2. Press the brake pedal.
    3. Depress the throttle pedal half way and hold, then press "START" on the CONSULT screen.
    4. Write data to the TCM according to the instructions on the CONSULT screen.
      NOTE: When the calibration data has been written to the TCM, the current status will indicate "Complete".
    5. Select "End".

    GO TO 5.

  5. PRINT NEW CALIBRATION DATA 

    SYMBOL With CONSULT

    1. Select "CALIB DATA" in "TRANSMISSION".
    2. Print 1 of 7.
      NOTE: This screen print is used for warranty documentation.

    GO TO 6.

  6. PERFORM SELECT LEARNING (DRIVE/REVERSE LEARNING) 

    Perform Select Learning. Refer to Work Procedure .

    GO TO 7.

  7. ERASE CVT FLUID DEGRADATION LEVEL DATA 

    SYMBOL With CONSULT

    1. Select "WORK SUPPORT" in "TRANSMISSION".
    2. Select "CONFORM CVTF DETERIORTN".
    3. Touch "Clear".
    4. Clear any DTCs that may have set and then test drive the vehicle.

    WORK END