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Home >> Toyota >> 2004 >> Highlander Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 888 (Automatic Transmission) >> DTC/Circuit Diagnosis >> DTC P0731: 1GR Incorrect Ratio >> DTC Confirmation Procedure >> With Consult

With Consult

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.
  1. Start the engine and select "DATA MONITOR" mode for "TRANSMISSION" with CONSULT.
  2. Make sure that "ATF TEMP 1" is within the following range.

    ATF TEMP 1: 20°C - 140°C 

    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.
  4. Drive vehicle and maintain the following conditions.

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

    ACCELE POSI: 0.6/8 or more 

    ENGINE SPEED: INPUT SPEED - 50 RPM or more 

    INPUT SPEED: 300 RPM or more 

    GEAR: "1" position 

    MANU MODE SW: ON 

  5. Keep the current driving status for at least 5 consecutive seconds if CONSULT screen changes from "OUT OF CONDITION" to "TESTING".
    CAUTION: If "TESTING" does not appear on CONSULT for a long time, select "SELF-DIAG RESULTS". In case a 1st trip DTC other than P0731 is shown, refer to " DTC NO. INDEX  "  .

    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 1GR to 5GR and check shift timing and shift shock.
    • Touch "OK" to complete the inspection when normally shifted from 1GR to 5GR.
    • Touch "NG" when an unusual shift shock, etc. occurs in spite of shifting from 1GR to 5GR. Go to "DESCRIPTION ".
    • Perform "CONSULT FUNCTION (TRANSMISSION) " when not shifted from 1GR to 5GR. (Neither "OK" nor "NG" are indicated.)
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