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
Hint: if different dtcs related to different systems that have terminal e2 as the ground terminal are output simultaneously, terminal e2 may be open. Read freeze frame data using the hand-held tester or the obd ii scan tool. Freeze frame data records the engine conditions when a malf ...

Meter display
■ Locations of gauges and meters The units of measure may differ depending on the intended destination of the vehicle. Tachometer Displays the engine speed in revolutions per minute Outside temperature Displays the outside temperature within the range of -40ºF (-40ºC) to 140ºF (60ºC) ...

How to use this manual
1. Body panel replacement in this manual 2. Symbols 3. Illustration of weld point symbols ...