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Home >> Infiniti >> 2013 >> FX37 Base, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Automatic Transmission) >> DTC/Circuit Diagnosis >> DTC P0730: Incorrect Gear Ratio >> DTC Logic >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different car, the 2013 Infiniti FX50. However, it is still accessible from the selected car via links, so may be relevant.
CAUTION:
  • " "DIAGNOSIS PROCEDURE " must be performed before starting "DTC CONFIRMATION PROCEDURE".
  • Never perform "DTC CONFIRMATION PROCEDURE" before completing the repair, which may cause secondary malfunction.
  • Always drive vehicle at a safe speed.
  1. PRECONDITIONING 

    If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

    : GO TO 2.

  2. CHECK DTC DETECTION 

    With CONSULT 

    1. Start the engine.
    2. Select "Self Diagnostic Results" in "ENGINE".
    3. Drive vehicle under the similar conditions to (1st trip) Freeze Frame Data for 10 minutes. Refer to the table below.

      Hold the accelerator pedal as steady as possible. 

      ENGINE SPEED Same value as the Freeze Frame Data.
      VEHICLE SPEED Same value as the Freeze Frame Data.
      B/FUEL SCHDL Same value as the Freeze Frame Data.

    With GST 

    Follow the procedure "With CONSULT".

    Is "P0730" detected? 

    YES: Go to "DIAGNOSIS PROCEDURE ".

    NO: INSPECTION END

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