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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1175 (Automatic Transaxle - Re4F04B) >> DTC P0744: A/T TCC S/V Function (Lock-Up) >> Diagnostic Trouble Code (DTC) Confirmation Procedure >> With Consult-II

With Consult-II

WARNING: This page is about a different car, the 2004 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
  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 vehicle to decrease voltage (warm up the fluid) or stop engine to increase 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 1: Consult II Display (1 Of 2)
    G00901661Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Accelerate vehicle to more than 70 km/h (43 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 (O/D ON) 

    TCC S/V DUTY: More than 94% 

    VHCL/S SE.A/T: Constant speed of more than 70 km/h (43 MPH) 

    Fig 2: Consult II Display (2 Of 2)
    G00901662Courtesy of NISSAN MOTOR CO., U.S.A.
    • Check that "GEAR" shows "4". 
    • For shift schedule,  Refer to "SHIFT SCHEDULE ".
    • If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAG RESULTS". 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 ".

Fig 3: Temperature Voltage Graph
G00901663Courtesy of NISSAN MOTOR CO., U.S.A.