Toyota Corolla (E120): Wiring

Power source

Location

Communication system

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    Circuit description
    The intake air temperature (iat) sensor, mounted on the mass air flow (maf) sensor, monitors the intake air temperature. The iat sensor has a thermistor that varies its resistance depending on the temperature of the intake air. When the air temperature is low, the resistance in the thermisto ...

    Steering wheel audio switches
    Some audio features can be controlled using the switches on the steering wheel. Operation may differ depending on the type of audio system or navigation system. For details, refer to the manual provided with the audio system or navigation system. Operating the audio system using the steering whe ...

    Circuit description
    The park/neutral position switch detects the shift lever position and sends signals to the ecm. Monitor description The park/neutral position switch detects the gearshift position and sends a signal to the ecm. For security, the park/neutral position switch detects the gearshift positio ...