Toyota Corolla (E120) 2002–2008 Repair Manual / Diagnostics / Sfi system / Catalyst system efficiency below threshold

Toyota Corolla (E120): Catalyst system efficiency below threshold

Dtc p0420 catalyst system efficiency below threshold (bank 1)

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If you have a flat tire
Your vehicle is equipped with a spare tire. The flat tire can be replaced with the spare tire. WARNING ■If you have a flat tire Do not continue driving with a flat tire. Driving even a short distance with a flat tire can damage the tire and the wheel beyond repair, which could result in an acciden ...

Using the AUX port
This port can be used to connect a portable audio device and listen to it through the vehicle’s speakers. Press until “AUX” is displayed. Connecting a portable player ■Operating portable audio devices connected to the audio system The volume can be adjusted using the vehicle's ...

When stopping the engine with the shift lever in a position other than P (vehicles with a continuously variable transmission)
If the engine is stopped with the shift lever in a position other than P, the engine switch will not be turned off but instead be turned to ACCESSORY mode. Perform the following procedure to turn the switch off: 1 Check that the parking brake is set. 2 Shift the shift lever to P. ► Vehi ...