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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PDA (Proactive driving assist)
When a detectable object is detected, the proactive driving assist operates the brakes and steering wheel to help prevent the vehicle from approaching too close to the object. WARNING ■For safe use Driving safely is solely the responsibility of the driver. The proactive driving assist is design ...

If the vehicle becomes stuck
Carry out the following procedures if the tires spin or the vehicle becomes stuck in mud, dirt or snow: 1 Stop the engine. Set the parking brake and shift the shift lever to P (automatic transmission or continuously variable transmission) or N (manual transmission). 2 Remove the mud, snow or s ...

Engine mechanical
Preparation Sst Recomended tools Ssm Equipment Exhaust Preparation Equipment ...