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Home › Nissan-Datsun › 2017 › Versa Note SL › Repair and Diagnosis › Transmission › Automatic Trans › Automatic Transmission (Introduction, Wiring Diagrams And Basic Inspection) › Basic Inspection › Additional Service When Replacing Control Valve Or Transaxle Assembly › Work Procedure

Work Procedure

  1. INITIALIZE TCM

    G-20With CONSULT 

    1. Set parking brake.
    2. Turn ignition switch ON.
    3. Select "Work Support" in "TRANSMISSION".
    4. Select "ERASE MEMORY DATA".
    5. While maintaining the conditions below, touch "Start".
      • Vehicle stop status
      • With engine stopped
      • Selector lever: "R" position
      • Accelerator pedal: Depressed
    NOTE:

    Select "Start" and complete within approximately 20 seconds.

    Is "COMPLETED" displayed?

    YES 

    GO TO STEP 2  .

    NO 

    Turn the ignition switch OFF and wait for a minimum of 10 seconds then perform the work again.

  2. CHECK AFTER TCM IS INITIALIZED

    G-20With CONSULT 

    1. Turn ignition switch OFF with the selector lever in "R" position and wait for 10 seconds or more.
    2. Turn ignition switch ON with the selector lever in "R" position.
      CAUTION:

      Never start the engine.

    3. Select "Special function" in "TRANSMISSION".
    4. Select "CALIB DATA".
    5. Check that indicated value of "CALIB DATA" is equal to the value shown in the following table.
      Item name Display value   Item name Display value
      UNIT CLB ID1 00   MAP NO HC/RB 00
      UNIT CLB ID2 00   MAP NO L/B 00
      UNIT CLB ID3 00   OFFSET2 LU 0
      UNIT CLB ID4 00   OFFSET2 PL 0
      UNIT CLB ID5 00   OFFSET2 PRI 0
      UNIT CLB ID6 00   OFFSET2 H/R 0
      UNIT CLB ID7 00   OFFSET2 L/B 0
      UNIT CLB ID8 00   INIT OFFSET H/R A 0
      UNIT CLB ID9 00   INIT OFFSET H/R B 0
      UNIT CLB ID10 00   INIT OFFSET H/R C 0
      UNIT CLB ID11 00   INIT OFFSET H/R D 0
      GAIN LU 256   INIT OFFSET H/R E 0
      GAIN PL 256   INIT OFFSET H/R F 0
      GAIN PRI 256   INIT OFSET LB A 0
      GAIN HC/RB 256   INIT OFSET LB B 0
      GAIN L/B 256   INIT OFSET LB C 0
      OFFSET LU 0   INIT OFSET LB D 0
      OFFSET PL 0   INIT OFSET LB E 0
      OFFSET PRI 0   INIT OFSET LB F 0
      OFFSET HC/RB 0   LB INITIALIZE LEARN - 1
      OFFSET L/B 0   HC INITIALIZE LEARN - 1
      MAP NO LU 00   LB INITIALIZE TEMP FF
      MAP NO PL 00   LB INITIALIZE TEMP FF
      MAP NO PRI 00      

    Is the indicated value of "CALIB DATA" equal to the value shown in the table?

    YES 

    GO TO STEP 3  .

    NO 

    GO TO STEP 1  .

  3. LOAD CALIBRATION DATA

    1. Shift the selector lever to the "P" position.
    2. Check that "P" is displayed on shift position indicator on combination meter.
      NOTE:

      Displayed approximately 4 - 5 seconds after the selector lever is moved to the "P" position.

    Does shift position indicator display "P"?

    YES 

    GO TO STEP 4  .

    NO 

    GO TO STEP 6  .

  4. STORE CALIBRATION DATA

    1. Turn ignition switch OFF and wait for 5 seconds.
    2. Turn ignition switch ON.

    Does the shift position indicator display "P" at the same time when turning ON the ignition switch?

    YES 

    GO TO STEP 5  .

    NO 

    Check harness between battery and TCM harness connector terminal.

  5. ERASE THE CVT FLUID DEGRADATION LEVEL DATA

    G-20With CONSULT 

    1. Select "WORK SUPPORT" in "TRANSMISSION".
    2. Select "CONFORM CVTF DETERIORTN".
    3. Touch "Clear".

    GO TO STEP 7  .

  6. DETECT MALFUNCTIONING ITEMS

    Check the following items:

    • Harness between the TCM and the ROM assembly inside the transaxle assembly is open or shorted.
    • Disconnected, loose, bent, collapsed, or otherwise abnormal connector housing terminals

    Is the inspection result normal?

    YES 

    GO TO STEP 1  .

    NO 

    Repair or replace the malfunctioning parts.

  7. CONFIRMATION OF WORK SUPPORT ITEM

    G-20With CONSULT 

    Check if "Auxiliary gearbox clutch point learning" is displayed in "WORK SUPPORT" mode.

    Is "Auxiliary gearbox clutch point learning" displayed?

    YES 

    GO TO STEP 8  .

    NO 

    GO TO STEP 9  .

  8. CLUTCH POINT LEARNING-1

    G-20With CONSULT 

    Perform "Auxiliary gearbox clutch point learning".

    WORK END

  9. CLUTCH LEARNING-2

    WITH IDLE NEUTRAL CONTROL

    1. Start the engine and warm up CVT fluid to 50°C (122°F).
      NOTE:

      Confirm CVT fluid temperature by "FLUID TEMP" in "Data Monitor".

    2. Turn air conditioner OFF.
    3. Shift the selector lever to P position and then stop the engine and wait for 5 seconds.
    4. Start the engine and wait for 5 seconds.
    5. Stop the engine and wait for 30 seconds.
    6. Perform Step 4 to Step 5 two times. (Total: Three times)
    7. Start the engine.
    8. Wait for 30 seconds at idling condition.
    9. Shift the selector lever to D position.
    10. Drive the vehicle at 10 km/h (7 MPH) or more.
    11. Stop the vehicle in idle neutral control operating condition and wait for 30 seconds.

      For idling neutral control operating condition, refer to Service information.

    12. Perform Step 10 to Step 11 again. (Total: Two times)
    13. Accelerate the vehicle from 0 km/h (0 MPH) to 45 km/h (28 MPH) at low throttle (0.5/8 - 1/8).
    14. Stop the vehicle and shift the selector lever to P position.
    15. Stop the vehicle at 5 seconds or more and then restart the engine.
    16. Shift the selector lever to D position.
    17. Perform Step 13 to Step 16 four times. (Total: Five times)
    18. Drive the vehicle and check that no shock occurs while shifting gears.

    WITHOUT IDLE NEUTRAL CONTROL

    1. Start the engine and warm up CVT fluid to 50°C (122°F).
      NOTE:

      Confirm CVT fluid temperature by "FLUID TEMP" in "Data Monitor".

    2. Turn air conditioner OFF.
    3. Shift the selector lever to P position and then stop the engine and wait for 5 seconds.
    4. Start the engine and wait for 5 seconds.
    5. Stop the engine and wait for 30 seconds.
    6. Perform Step 4 to Step 5 two times. (Total: Three times)
    7. Start the engine.
    8. Shift the selector lever to D position.
    9. Accelerate the vehicle from 0 km/h (0 MPH) to 65 km/h (40 MPH) at low throttle (0.5/8 - 1/8).
    10. Decelerate the vehicle to 30 km/h (18 MPH) or less without using brakes.
    11. Stop the vehicle and shift the selector lever to P position.
    12. Stop the engine and wait for 5 seconds or more.
    13. Restart the engine.
    14. Perform Step 8 to Step 13 four times. (Total: Five times)
    15. Shift the selector lever to D position.
    16. Accelerate the vehicle from 0 km/h (0 MPH) to 45 km/h (28 MPH) at low throttle (0.5/8 - 1/8).
    17. Stop the vehicle and shift the selector lever to P position.
    18. Stop the vehicle at 5 seconds or more and then restart the engine.
    19. Perform Step 15 to Step 18 four times. (Total: Five times)
    20. Drive the vehicle and check that no shock occurs while shifting gears.

    WORK END

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