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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 1517 (Automatic Transmission (Re4F04W)) >> DTC P0731: A/T 1ST Gear Function >> Diagnostic Trouble Code Confirmation Procedure >> With Consult-II

With Consult-II

WARNING: This page is about a different car, the 2005 Nissan Quest. 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
    G02447364Courtesy 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: 0.5 - 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 "1ST GR FNCTN P0731" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".
    Fig 2: Consult-II - (SELECT DIAG MODE) Display
    G02447365Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Accelerate vehicle to 20 to 25 km/h (12 to 16 MPH) under the following condition and release the accelerator pedal completely.

    THROTTLE POSI: Less than 1.0/8 (at all times during step 4) Selector lever: D position 

    • Check that "GEAR" shows "2" after releasing pedal. 
  5. Depress accelerator pedal to WOT (more than 7.0/8 of "THROTTLE POSI") quickly from a speed of 20 to 25 km/h (12 to 16 MPH) until "TESTING" changes to "STOP VEHICLE" or "COMPLETED". (It will take approximately 3 seconds.)

    If the check result NG appears on CONSULT-II screen, go to "DIAGNOSTIC PROCEDURE ".

    If "STOP VEHICLE" appears on CONSULT-II screen, go to the following step.

    • Check that "GEAR" shows "1" when depressing accelerator pedal to WOT. 
    • If "TESTING" does not appear on CONSULT-II for a long time, select "SELF-DIAG RESULTS" for "ENGINE". In case a 1st trip DTC other than P0731 is shown, refer to applicable "Diagnostic Procedure" for indicated DTC. 
  6. Stop vehicle.
  7. Follow the instruction displayed. (Check for normal shifting referring to the table below.)
    Fig 3: Solenoid Valve Condition Chart
    G02447366Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Voltage Temperature Graph
    G02447367Courtesy of NISSAN MOTOR CO., U.S.A.
  8. 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".