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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Update contacts from phone
Operation methods differ between PBAP compatible and PBAP incompatible but OPP compatible Bluetooth® phones. If your cellular phone is neither PBAP nor OPP compatible, the contacts cannot be transferred. ■ For PBAP Compatible Bluetooth® Phones 1 Select “Update Contacts from Phone” ...

Taking out the spare tire
1 Remove the luggage floor cover. 2 Remove the tool tray. 3 Loosen the center fastener that secures the spare tire. CAUTION ■When storing the spare tire Be careful not to catch fingers or other body parts between the spare tire and the body of the vehicle. ...

Inspection procedure
1 Check p squib circuit(airbag sensor assy center – instrument panel passenger airbag assy) Disconnect the negative (–) terminal cable from the battery, and wait at least for 90 seconds.  disconnect the connectors between the airbag sensor assy center and the instrument panel ...