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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Inspection
1. Inspect outer mirror switch assy Inspect the mirror switch continuity.  Left side for left/right adjustment switch: inspect the mirror switch continuity Standard (left side): If the result is not as specified, replace the switch assembly.  Right side for left/r ...

Luggage compartment door garnish outside
Replacement Hint: the installation procedures are the removal procedures in reverse order. However, only installation procedures requiring additional information are included. 1. Remove luggage compartment lock cylinder & key set  remove the 2 nuts and luggage compartment lock cyl ...

On–vehicle inspection
1. Check battery electrolyte level Check the electrolyte quantity of each cell (maintenance–free battery).  If under the lower level, replace the battery (or add distilled water if possible) and check the charging system.  check the electrolyte quantity of each cell ...