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 the vehicle is submerged or water on the road is rising
This vehicle is not designed to be able to drive on roads that are deeply flooded with water. Do not drive on roads where the roads may be submerged or the water may be rising. It is dangerous to remain in the vehicle, if it is anticipated that the vehicle will be flooded or set adrift. Remain calm ...

Inspection procedure
Hand–held tester: 1 Perform active test by hand–held tester(operation of circuit opening relay) Connect the hand–held tester to the dlc3.  turn the ignition switch on and push the hand–held tester main switch on.  select the item ”diagnosis / enhanced obd ii / active ...

Circuit description
The side squib (lh) circuit consists of the airbag sensor assy center and front seat airbag assy (lh). It causes the srs to deploy when the srs deployment conditions are satisfied. Dtc b0115/47 is recorded when a short is detected in the side squib (lh) circuit. Wiring diagram ...