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Home >> Infiniti >> 2008 >> M45 Base >> Repair and Diagnosis >> Transmission >> Automatic Transmission >> DTC P0731 A/T 1ST Gear Function >> DTC Confirmation Procedure

DTC Confirmation Procedure

CAUTION: Always drive vehicle at a safe speed.
NOTE: If "DTC Confirmation Procedure" has been previously performed, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.

After the repair, perform the following procedure to confirm the malfunction is eliminated.

WITH CONSULT-III 

  1. Start the engine and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT-III.
  2. Make sure that "ATF TEMP 1" is within the following range.

    ATF TEMP 1 : 20°C (68°F) - 140°C (284°F) 

    If out of range, drive vehicle to warm ATF or stop engine to cool ATF.

  3. Select "1ST GR FNCTN P0731" of "DTC WORK SUPPORT" mode for "TRANSMISSION" with CONSULT- III.
  4. Drive vehicle and maintain the following conditions.

    MANU MODE SW : ON 

    GEAR : "1" position 

    ACCELE POSI : 0.6/8 or more 

    VEHICLE SPEED : 10 km/h (6 MPH) or more 

    ENGINE SPEED : TURBINE REV - 50 RPM or more 

    TURBINE REV : 300 RPM or more 

  5. Keep the current driving status for at least 5 consecutive seconds if CONSULT-III screen changes from "OUT OF CONDITION" to "TESTING".
    CAUTION: If "TESTING" does not appear on CONSULT-III for a long time, select "SELF-DIAG RESULTS". In case a 1st trip DTC other than "P0731" is shown, refer to "CONSULT-III FUNCTION (TRANSMISSION) ".

    If "COMPLETED RESULT NG" is detected, go to DIAGNOSIS PROCEDURE .

    If "STOP VEHICLE" is detected, go to the following step.

  6. Stop vehicle.
  7. Drive vehicle in "D" position allowing it to shift from 1st to 5th gear and check shift timing and shift shock.
    • Touch "OK" to complete the inspection when normally shifted from the 1st to 5th gear.
    • Touch "NG" when an unusual shift shock, etc. occurs in spite of shifting from the 1st to 5th gear. Go to ROAD TEST  ".
    • Perform CONSULT-III FUNCTION (TRANSMISSION)  when not shifted from the 1st to 5th gear. (Neither "OK" nor "NG" are indicated.)

WITH GST 

  1. Start the engine.
  2. Drive vehicle for approximately 5 minutes in urban areas.
  3. Drive vehicle and maintain the following conditions for at least 5 consecutive seconds.

    Manual mode switch : ON 

    Gear position : "1" position 

    Accelerator opening : 0.6/8 or more 

    Vehicle speed : 10 km/h (6 MPH) or more 

  4. Check DTC. If DTC is detected, go to DIAGNOSIS PROCEDURE 
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