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Home >> Toyota >> 2019 >> RAV4 LE, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (A25A-FKS) (W/O Canister Pump Module) - Diagnostic Codes (2 Of 4) >> SFI SYSTEM (w/o Canister Pump Module) >> DTC P0420-00: Catalyst System Efficiency Below Threshold Bank 1 [11/2018 - 08/2020] >> Typical Enabling Conditions
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Typical Enabling Conditions

Battery voltage 11 V or higher
Intake air temperature -10°C (14°F) or higher
Engine coolant temperature 75°C (167°F) or higher
Atmospheric pressure 76 kPa(abs) [11 psi(abs)] or higher
Idling Off
Engine speed Less than 3200 rpm
Air fuel ratio sensor (sensor 1) status Activated
Fuel system status Closed loop
Engine load 10% or higher, and less than 100%
All of the following conditions are met 1, 2 and 3
1. Mass air flow 2.5 gm/sec or more, and less than 75 gm/sec
2. Front catalyst temperature (estimated) 530°C (986°F) or higher, and less than 800°C (1472°F)
3. Rear catalyst temperature (estimated) 100°C (212°F) or higher, and less than 880°C (1616°F)