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Home >> Nissan-Datsun >> 2004 >> Altima S, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Automatic Transaxle) >> DTC P0734 A/T 4TH Gear Function >> Diagnostic Trouble Code (DTC) Confirmation Procedure >> With Consult-II

With Consult-II

WARNING: This page is about a different variant/trim than selected.
  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 "4TH GR FNCTN P0734" of "DTC WORK SUPPORT" mode for "A/T" with CONSULT-II and touch "START".
    Fig 1: Scan Tool Display "Select System"
    G02886633Courtesy of NISSAN MOTOR CO., U.S.A.
  4. Accelerate vehicle to 55 to 65 km/h (34 to 40 MPH) under the following condition and release the accelerator pedal completely.

    THROTTLE POSI: Less than 5.5/8 (at all times during step 4) Selector lever: D position 

    • Check that "GEAR" shows "3" after releasing pedal. 
  5. Depress accelerator pedal steadily with 1.0/8 - 2.0/8 of "THROTTLE POSI" from a speed of 55 to 65 km/h (34 to 40 MPH) until "TESTING" has turned 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 following step.

    Fig 2: Scan Tool Display "Select Diag Mode"
    G02886634Courtesy of NISSAN MOTOR CO., U.S.A.
    • Check that "GEAR" shows "4" when depressing accelerator pedal with 1.0/8 - 2.0/8 of "THROTTLE POSI". 
    • 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 P0734 is shown, refer to applicable "TROUBLE DIAGNOSIS FOR DTC". 
  6. Stop vehicle.
  7. Follow the instruction displayed. (Check for normal shifting referring to the figureFig 3 below.)
    Fig 3: Test Result Graph
    G02886635Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 4: Transmission Shift Pattern Specifications Table
    G02886636Courtesy 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 ".

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