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Home >> Honda >> 2021 >> Pilot EX, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - Advanced Diagnostics (1 Of 3) >> Advanced Diagnostics >> DTC : P0420 (2016) >> Enable Conditions
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Enable Conditions

Condition Minimum Maximum
Elapsed time that secondary HO2S activity is not monitored after starting the engine 20 seconds -
Engine coolant temperature
[ECT SENSOR 1]
156 °F (69 °C) -
Intake air temperature
[IAT SENSOR (1)]
-13 °F (-25 °C) -
Estimated WU-TWC temperature 1, 202 °F (650 °C) -
Vehicle speed [VEHICLE SPEED] 19 mph (30 km/h) -
Fuel trim 0.73 1.47
Fuel feedback Closed loop at stoichiometric
Monitoring priority P0133, P219A
Other Has record of deceleration at least once
Cruise load or more

[ ]: HDS Parameter