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)
Other materials:
Screen for general settings
1 Press the “SETUP” button.
2 Select “General” on the “Setup” screen.
1 “English”, “Français” or “Español” can be selected.
2 On/off can be selected to sound beeps.
3 Select to change the screen color.
4 Select to change the keyboard layout.
5 The animatio ...
Manual transmission/transaxle
Preparation
Sst
Equipment
Lubricant
...
Dtc check/clear
Notice:
if there is no dtc in the normal mode, check the pending
fault code using the continuous test results
function (mode 7 for sae j1979) on the obd ii scan
tool or the hand–held tester.
Hand–held tester only:
when the diagnosis system is switched from the normal
mode to the ...