DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

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    Circuit Description

    The Engine Coolant Temperature (ECT) sensor is a thermistor mounted in the engine coolant stream. The PCM applies a voltage (about 5.0 volts) through a pull up resistor to the ECT signal circuit. When the engine coolant is cold, the sens...

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    Service Manual Table of Contents

    Document Tags

    Document Title: DTC P0118 Engine Coolant Temperature (ECT) Sensor Circuit High Voltage

    circuit

    engine

    coolant

    temperature

    sensor

    voltage

    signal

    resistance

    conditions

    present

    action

    consecutive

    diagnostic

    test

    failed

    records

    data

    using

    scan

    tool

    aids

    check

    poor

    connection

    harness

    terminal

    observe

    display

    indicate

    fault

    vehicle

    diagnosis

    table

    value

    replace

    powertrain

    replacement

    system

    ignition

    switch

    cool

    temp

    specified

    disconnect

    electrical

    connector

    ground

    repair

    procedures

    problem

    found

    open

    signal circuit

    signal voltage

    sensor signal

    diagnostic aids

    display scan

    records conditions

    temp display

    sensor ground

    ground circuit

    procedures electrical

    diagnosis problem

    circuit open

    sensor signal circuit

    powertrain control module

    control module replacement

    module replacement programming

    powertrain board diagnostic

    cool temp display

    temp display scan

    display scan tool

    review record scan

    record scan tool

    scan tool records

    tool records data

    operate vehicle records

    vehicle records conditions

    scan tool monitor

    tool monitor specific

    scan tool indicate

    sensor ground circuit

    temp specified value

    repair procedures electrical

    diagnosis problem found

    ground circuit open

    circuit open repair

    necessary repair procedures

    signal circuit open