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Home › Nissan-Datsun › 2014 › Sentra SL › Repair and Diagnosis › Transmission › Automatic Transmission (CVT) › Basic Inspection › Additional Service When Replacing Transaxle Assembly › Work Procedure

Work Procedure

  1. INITIALIZE TCM 

    With 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 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 

    With 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
      UNIT CLB ID1 00
      UNIT CLB ID2 00
      UNIT CLB ID3 00
      UNIT CLB ID4 00
      UNIT CLB ID5 00
      UNIT CLB ID6 00
      UNIT CLB ID7 00
      UNIT CLB ID8 00
      UNIT CLB ID9 00
      UNIT CLB ID10 00
      UNIT CLB ID11 00
      GAIN LU 256
      GAIN PL 256
      GAIN PRI 256
      GAIN HC/RB 256
      GAIN L/B 256
      OFFSET LU 0
      OFFSET PL 0
      OFFSET PRI 0
      OFFSET HC/RB 0
      OFFSET L/B 0
      MAP NO LU 00
      MAP NO PL 00
      MAP NO PRI 00
      MAP NO HC/RB 00
      MAP NO L/B 00
      OFFSET2 LU 0
      OFFSET2 PL 0
      OFFSET2 PRI 0
      OFFSET2 H/R 0
      OFFSET2 L/B 0
      INIT OFFSET H/R A 0
      INIT OFFSET H/R B 0
      INIT OFFSET H/R C 0
      INIT OFFSET H/R D 0
      INIT OFFSET H/R E 0
      INIT OFFSET H/R F 0
      INIT OFSET LB A 0
      INIT OFSET LB B 0
      INIT OFSET LB C 0
      INIT OFSET LB D 0
      INIT OFSET LB E 0
      INIT OFSET LB F 0
      LB INITIALIZE LEARN -1
      HC INITIALIZE LEARN -1
      LB INITIALIZE TEMP FF
      LB INITIALIZE TEMP FF

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

      YES: GO TO 3.

      NO: GO TO  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  5.

      NO: GO TO 4.

  4. 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  1.

      NO: Repair or replace the malfunctioning parts.

  5. 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 6.

      NO: Check harness between battery and TCM harness connector terminal.

  6. ERASE THE CVT FLUID DEGRADATION LEVEL DATA 

    With CONSULT 

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

      : WORK END

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