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Home >> Infiniti >> 2012 >> FX50 >> Repair and Diagnosis >> External Pages >> Different car >> Section 231 (Engine Control System - DTCS U0101 Through P0128) >> DTC P0111: IAT Sensor >> Component Function Check
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Component Function Check

WARNING: This page is about a different car, the 2011 Infiniti EX35. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK INTAKE AIR TEMPERATURE (IAT) SENSOR
    1. Turn ignition switch OFF.
    2. Disconnect mass air flow sensor (bank 1) harness connector.
    3. Check resistance between mass air flow sensor (bank 1) terminals as follows.
    RESISTANCE SPECIFICATION

    Terminals Condition Resistance (kΩ)
    1 and 2 Temperature [°C (°F)] 25 (77) 1.800 - 2.200

    Is the inspection result normal? 

    YES: GO TO 2.

    NO: Proceed to "DIAGNOSIS PROCEDURE ".

  2. CHECK INTERMITTENT INCIDENT

    Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

    Is the inspection result normal? 

    YES: INSPECTION END

    NO: Proceed to "DIAGNOSIS PROCEDURE ".