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Home >> Infiniti >> 2016 >> Q50 Base, AWD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 51 (Automatic Transmission (Diagnostic Trouble Codes (DTCS) P0750-P2807 And Circuit Diagnosis) (Hybrid)) >> DTC / Circuit Diagnosis >> DTC P1734: 7GR Incorrect Ratio >> DTC Description >> DTC Confirmation Procedure

DTC Confirmation Procedure

WARNING: This page is about a different variant/trim than selected.
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" is previously conducted, always turn ignition switch OFF and wait at least 10 seconds before performing the next test.

    GO TO STEP 2  .

  2. CHECK ATF TEMPERATURE

    G-20With CONSULT 

    1. Start the engine.
    2. Select "ATF TEMP 1" in "Data Monitor" in "TRANSMISSION".
    3. Check ATF temperature is in the following range.
      ATF TEMP 1 : 20°C (68°F) - 140°C (284°F)

    NSM020With GST 

    1. Start the engine.
    2. Drive vehicle for approximately 5 minutes in urban areas.

    Is ATF temperature within specified range?

    YES 

    GO TO STEP 3. 

    NO 

    Drive vehicle to warm ATF or stop engine to cool ATF.

  3. CHECK SYMPTOM (PART 1)

    G-20With CONSULT 

    1. Select "7TH GR FNCTN P1734" in "DTC Work Support" in "TRANSMISSION".
    2. Drive vehicle with manual mode and maintain the following conditions.
      GEAR : 7th
      ACCELE POSI : 0.7/8 or more
      VEHICLE SPEED : 10 km/h (7 MPH) or more
    3. Keep the current driving status for 2 seconds or more if CONSULT screen changes from "OUT OF CONDITION" to "TESTING".
      CAUTION:

      When "TESTING" is not indicated on CONSULT for a long time, check "Self Diagnostic Results" in "TRANSMISSION". When a DTC other than "P1734" is detected, check the DTC. Refer to DTC INDEX .

    NSM020With GST 

    1. Drive vehicle and maintain the following conditions for 2 seconds or more.
      Selector lever : "M" position
      Gear position : 7th
      Accelerator pedal opening : 0.7/8 or more
      Vehicle speed : 10 km/h (7 MPH) or more
    2. Check DTC.

    Is "OUT OF CONDITION", "STOP VEHICLE" or "COMPLETED RESULT NG" displayed? / Is "P1734" detected?

    YES-1 (OUT OF CONDITION) 

    Perform "Step 3" again.

    YES-2 (STOP VEHICLE) 

    GO TO STEP 4. 

    YES-3 (COMPLETED RESULT NG) 

    Go to DIAGNOSIS PROCEDURE .

    YES-4 ("P1734" is detected) 

    Go to DIAGNOSIS PROCEDURE .

    NO 

    GO TO STEP 4  .

  4. CHECK SYMPTOM (PART 2)

    G-20With CONSULT 

    1. Stop vehicle.
    2. Drive vehicle in "D" position allowing it to shift from 1GR to 7GR and check shift timing and shift shock.

    INSPECTION END

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