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 procedure
1 Check operation(starter) Check that the starter operates normally and that the engine starts. 2 Input signal check See input signal check on page 05–745.  check the indicator light when shifting into except d position. Ok: the indicator light goes off when shifting ...

Inspection procedure
Hint: start the inspection from step 1 in case of using the hand–held tester and start from step 2 in case of not using the hand–held tester. 1 Perform active test by hand–held tester(abs motor relay) Check the operation sound of the abs motor individually when operaing it with the ...

Registering a Bluetooth® phone for the first time
To use the hands-free system, it is necessary to register a Bluetooth® phone with the system. Once the phone has been registered, it is possible to use the hands-free system. For details about registering a Bluetooth® device 1 Turn the Bluetooth® connection setting of your cellular phone on. ...