Toyota Corolla (E120): Components

Replacement

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    Monitor description
    The battery supplies electricity to the ecm even when the ignition switch is off. This electricity allows the ecm store data such as dtc history, freeze frame data, fuel trim values, and other data. If the battery voltage falls below a minimum level, the ecm will conclude that there is a fault ...

    Circuit description
    Monitor description The ecm commands gearshift by turning the shift solenoid valves ”on/off”. When there is an open or short circuit in any shift solenoid valve circuit, the ecm detects the problem and the mil comes on. Illuminating the mil, the ecm performs the fail–safe and turns ...

    Tire information
    Typical tire symbols Full-size tire Tire size DOT and Tire Identification Number (TIN) Uniform tire quality grading For details, see "Uniform Tire Quality Grading" that follows. Location of treadwear indicators Tire ply composition and materials Plies are layers of rubber-coated parallel ...