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HOMESERVICE MANUALSNISSAN-DATSUN2024FRONTIER SL, RWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM (DTC/CIRCUIT DIAGNOSIS) (2 OF 6)DTC/CIRCUIT DIAGNOSISDTC P0111: IAT SENSORDTC CONFIRMATION PROCEDURE
2024 Nissan-Datsun Frontier SL, RWD

DTC Confirmation Procedure

2024 Nissan-Datsun Frontier SL, RWDSECTION DTC Confirmation Procedure
  1. INSPECTION START 

    Is it necessary to erase permanent DTC?

    >>

    GO TO 3.

    >>

    GO TO 2.

  2. PERFORM COMPONENT FUNCTION CHECK 
    NOTE: SYMBOL Use the component function check to check the overall function of the IAT sensor circuit. During this check, a 1st trip DTC might not be confirmed.
    1. Turn ignition switch OFF.
    2. Disconnect mass air flow sensor harness connector.
    3. Check resistance between mass air flow sensor terminals as follows.
      Mass air flow sensor Condition Resistance
      Terminal
      4 3 Temperature 25 °C (77 °F) 1.80 - 2.20 kΩ

    Is the inspection result normal?

    >>

    To check malfunction symptom before repair: Refer to Intermittent Incident .

    >>

    Confirmation after repair: INSPECTION END

    >>

    Proceed to Diagnosis Procedure .

  3. PRECONDITIONING 

    If DTC CONFIRMATION PROCEDURE has been previously conducted, always perform the following procedure before conducting the next test.

    1. Turn ignition switch OFF and wait at least 10 seconds.
    2. Turn ignition switch ON.
    3. Turn ignition switch OFF and wait at least 10 seconds.

    TESTING CONDITION:

    • Before performing the following procedure, do not add fuel.
    • Before performing the following procedure, check that fuel level is between 1/4 and 4/4.
    • Before performing the following procedure, confirm that battery voltage is 11 V or more at idle.

    >>

    GO TO 4.

  4. PERFORM DTC CONFIRMATION PROCEDURE 
    1. Move the vehicle to a cool place.
      NOTE: SYMBOL Cool the vehicle in an environment of ambient air temperature between -10°C (14°F) and 35°C (95°F).
    2. Turn ignition switch OFF and leave the vehicle for 12 hours.
      CAUTION:

      Never turn ignition switch ON during this procedure.

RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.