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Home >> Honda >> 2007 >> Element SC, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Advanced Diagnostics >> DTC P0420: Catalyst System Efficiency Below Threshold >> Enable Conditions
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Enable Conditions

ENABLE CONDITIONS

Condition Minimum Maximum
Engine coolant temperature 156 °F (69 °C) -
Intake air temperature -13 °F (-25 °C) -
Estimated TWC temperature 932 °F (500 °C) -
Engine speed A/T 1,300 rpm 2,600 rpm
M/T 1,825 rpm 3,750 rpm
MAP value A/T 27 kPa (7.9 in.Hg, 200 mmHg) 89 kPa (26.3 in.Hg, 670 mmHg)
M/T 73 kPa (21.6 in.Hg, 550 mmHg)
Vehicle speed 4 mph (5 km/h) -
Fuel trim 0.69 1.47
Fuel feedback Closed loop
Monitoring priority P0456, P0457, P0497
No active DTCs P0010, P0011, P0101, P0102, P0103, P0107, P0108, P0112, P0113, P0117, P0118, P0133, P0134, P0135, P0137, P0138, P0139, P0141, P0171, P0172, P0300, P0301, P0302, P0303, P0304, P0335, P0339, P0340, P0341, P0344, P0443, P0496, P0497, P1009, P1128, P1129, P1157, P1172, P145C, P2195, P2227, P2228, P2229, P2238, P2252, P2270, P2271, P2646, P2647, P2648, P2649, P2A00