Toyota Corolla (E120): Instrument panel sub–assy lower

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How to proceed with troubleshooting
Hint: carry out troubleshooting in accordance with the procedures on the following page. Here, only the basic procedures are shown. Details are provided in the diagnostics section, showing the most effective methods for each circuit. Confirm the troubleshooting procedures first for the releva ...

Setup menu
You can adjust the multimedia system to your desired settings. Display “Setup” screen Press the “SETUP” button to display the “Setup” screen. 1 Select to adjust the settings for operation sounds, screen animation, etc. 2 Select to set the voice settings. 3 Select to adjust the s ...

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 ...