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Home >> Nissan-Datsun >> 2003 >> Sentra SE-R Spec V >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 6 (Automatic Transaxle (Re4F03B)) >> DTC P0744: A/T TCC S/V Function (Lock-Up) >> Description >> Diagnostic Trouble Code (DTC) Confirmation Procedure
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Diagnostic Trouble Code (DTC) Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
CAUTION: Always drive vehicle at a safe speed.
NOTE: If "DIAGNOSTIC TROUBLE CODE CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch "OFF" and wait at least 5 seconds before conducting the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

With CONSULT-II 

Fig 1: CONSULT-II - SELECT SYSTEM
G01319276Courtesy of NISSAN MOTOR CO., U.S.A.
  1. Start engine and select "DATA MONITOR" mode for "A/T" with CONSULT-II.
  2. Make sure that output voltage of A/T fluid temperature sensor is within the range below.

    FLUID TEMP SEN: 0.4 - 1.5V 

    If out of range, drive the vehicle to decrease the voltage (warm up the fluid) or stop engine to increase the voltage (cool down the fluid).

  3. Select "TCC S/V FNCTN P0744" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".
    Fig 2: CONSULT-II - DTC WORK SUPPORT
    G01319277Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Accelerate vehicle to more than 80 km/h (50 MPH) and maintain the following condition continuously until "TESTING" has turned to "COMPLETE". (It will take approximately 30 seconds after "TESTING" shows.)

    THROTTLE POSI: 1.0/8 - 2.0/8 (at all times during step 4) 

    Selector lever: D position (OD "ON") 

    TCC S/V DUTY: More than 94% 

    VHCL/S SE.A/T: Constant speed of more than 80 km/h (50 MPH) 

    Fig 3: Fluid Temperature Characteristics
    G01319278Courtesy of NISSAN MOTOR CO., U.S.A.
    • Check that "GEAR" shows "4". 
    • If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAGNOSIS". In case a 1st trip DTC other than P0744 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC". 
  5. Make sure that "OK" is displayed. (If "NG" is displayed, refer to "DIAGNOSTIC PROCEDURE ".)

    Refer to "DIAGNOSTIC PROCEDURE ".

    Refer to "SHIFT SCHEDULE ".

    With GST 

    Follow the procedure "With CONSULT-II".