Toyota Corolla (E120): Door courtesy switch circuit

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Foreword
This repair manual has been prepared to provide essential information on body panel repair methods (including cutting and welding operations, but excluding painting) for the toyota corolla Applicable models: aze141 series zre142 series This manual consists of body repair methods, exploded diag ...

Glossary of sae and toyota terms
This glossary lists all sae–j1930 terms and abbreviations used in this manual in compliance with sae recommendations, as well as their toyota equivalents. ...

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 ...