DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

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    Circuit Description

    The Intake Air Temperature (IAT) sensor is a thermistor which measures the temperature of the air entering the engine. The PCM applies 5 volts through a pull-up resistor to the IAT sensor. When the intake air is cold, the sensor resistan...

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    Document Tags

    Document Title: DTC P1112 Intake Air Temperature (IAT) Sensor Circuit Intermittent Low Voltage

    circuit

    intake

    temperature

    sensor

    resistance

    monitor

    signal

    voltage

    conditions

    dtcs

    present

    vehicle

    records

    data

    clear

    scan

    tool

    info

    diagnostic

    check

    harness

    test

    system

    using scan tool

    powertrain board diagnostic