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Home >> Nissan-Datsun >> 2003 >> Sentra Limited >> Repair and Diagnosis >> External Pages >> Different car >> Section 778 (Automatic Transaxle Re4F04B) >> 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 car, the 2002 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.
    Fig 1: DTC Confirmation Procedure With CONSULT -II (1 Of 2)
    G02016715Courtesy of NISSAN MOTOR CO., U.S.A.
    Fig 2: DTC Confirmation Procedure With CONSULT -II (2 Of 2)
    G02016716Courtesy 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 

    Fig 3: Temperature Voltage Graph
    G02016717Courtesy of NISSAN MOTOR CO., U.S.A.

    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.
  4. Accelerate vehicle to 60 to 70 km/h (37 to 43 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 (O/D ON) 

    • 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 60 to 70 km/h (37 to 43 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.

    • 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 table below.)
    Fig 4: Transmission Shifting Pattern Chart
    G02016718Courtesy 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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