Toyota Corolla (E120): Location

Terminals of ecu

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    Circuit description
    The ecm compares the two waveforms of the heated oxygen sensors located before and after the catalyst to determine whether or not the catalyst performance has deteriorated. Air–fuel ratio feedback compensation keeps the waveform of the heated oxygen sensor in front of the catalyst alterna ...

    Replacement
    1. Remove proportioning valve assy Using sst, disconnect the 5 brake tubes from the proportioning valve assy. Sst 09023–00100 Remove the 2 bolts and proportioning valve assy from the body. 2. Install proportioning valve assy Install the proportioning valve assy w ...

    Fog light switch
    The fog lights secure excellent visibility in difficult driving conditions, such as in rain and fog. 1 Turns the front fog lights off 2 Turns the front fog lights on *1: For U.S.A. *2: For Canada ■Fog lights can be used when The headlights are on in low beam. ...