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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 831 (Automatic Transmission) >> DTC P0744: Improper Lock-Up Operation >> Description >> Diagnostic Trouble Code (DTC) Confirmation Procedure >> With CONSULT-II

With CONSULT-II

WARNING: This page is about a different car, the 2003 Nissan Pathfinder. 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.
    Fig 1: CONSULT - II (Select System Display)
    G02032936Courtesy of NISSAN MOTOR CO., U.S.A.
  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 (Select Diag Mode Display)
    G02032937Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Accelerate vehicle to more than 67 to 100 km/h (42 to 62 MPH) and maintain the following condition continuously until "TESTING" has turned to "COMPLETED". (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 67 to 100 km/h (42 to 62 MPH) 

    • Check that "GEAR" shows "4". 
    • For shift schedule, refer to  SERVICE DATA AND SPECIFICATIONS (SDS)  . 
      Fig 3: Fluid Temperature Sensor Specification Graph
      G02032938Courtesy of NISSAN MOTOR CO., U.S.A.
    • 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 "shift schedule ".