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Home >> Infiniti >> 2014 >> QX60 Base, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 48 (Automatic Transmission (Re0F10J) (DTC/Circuit Diagnosis) (Except Hybrid) (2 Of 2)) >> DTC/Circuit Diagnosis >> DTC P0740: Torque Converter >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:

Be careful of the driving speed.

  1. PREPARATION BEFORE WORK

    If another "DTC CONFIRMATION PROCEDURE" occurs just before, turn ignition switch OFF and wait for at least 10 seconds, then perform the next test.

    GO TO STEP 2  .

  2. PREPARATION BEFORE OPERATION

    G-20With CONSULT 

    1. Start the engine.
    2. Select "Data Monitor" in "TRANSMISSION".
    3. Select "FLUID TEMP".
    4. Confirm that the CVT fluid temperature is in the following range.
      FLUID TEMP : 20°C (68°F) or more

    NSM020With GST 

    1. Start the engine.
    2. Set the CVT fluid to 20°C (68°F) or more.
      NOTE:

      When the ambient temperature is 20°C (68°F), the CVT fluid usually increases to 50 to 80°C (122 to 176°F) with driving in an urban area for approximately 10 minutes.

    Is the CVT fluid 20°C (68°F) or more?

    YES 

    GO TO STEP 3  .

    NO 

    1. Warm the transaxle.
    2. GO TO STEP 3  .

  3. CHECK DTC DETECTION

    1. Drive the vehicle.
    2. Maintain the following conditions for 10 seconds or more.
      Selector lever : "D" position
      Vehicle speed : 40 km/h (25 MPH) or more
    3. Stop the vehicle.
    4. Check the first trip DTC.

    Is "P0740" detected?

    YES 

    Go to DIAGNOSIS PROCEDURE .

    NO 

    INSPECTION END

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