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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Mechanical system tests
1. Perform mechanical system tests Measure the stall speed. The object of this test is to check the overall performance of the transaxle and engine by measuring the stall speeds in the d and r positions. Notice: Do the test at normal operating atf temperature 50 to 80 °c (122 to ...

Using an anchor bracket (for top tether strap) (except for Puerto Rico)
■ Anchor brackets (for top tether strap) Anchor brackets are provided for each rear seat. Use anchor brackets when fixing the top tether strap. Anchor brackets Top tether strap ■ Fixing the top tether strap to the anchor bracket Install the child restraint system in accordance to the opera ...

Folding the mirrors
Push the mirror back in the direction of the vehicle’s rear. ■Mirror angle can be adjusted when ► Vehicles without a smart key system The engine switch is in the “ACC” or “ON” position. ►Vehicles with a smart key system The engine switch is in ACCESSORY or IGNITION ...