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Home >> Lexus >> 2008 >> RX 400h AWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 13 (Engine Control System (3MZ-FE)) >> SFI System >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1); DTC P0430 Catalyst System Efficiency Below Threshold (Bank 2) >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different car, the 2006 Lexus RX 400h. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS CHART

Monitor will run whenever this DTC is not present P0011 (VVT System 1 - Advance)
P0012 (VVT System 1 - Retard)
P0021 (VVT System 2 - Advance)
P0022 (VVT System 2 - Retard)
P0031, P0032, P0051, P0052 (A/F sensor heater - Sensor 1)
P0037, P0038, P0057, P0058 (O2 Sensor Heater - Sensor 2)
P0100 - P0103 (MAF meter)
P0115 - P0118 (ECT sensor)
P0120 - P0223, P2135 (TP sensor)
P0125 (Insufficient ECT for Closed Loop)
P0136, P0156 (O2 Sensor - Sensor 2)
P0171, P0172 (Fuel system)
P0300 - P0308 (Misfire)
P0335 (CKP sensor)
P0340, P0341 (CMP sensor)
P0351 - P0356 (Ignitor)
P0500 (VSS)
P2196, P2198 (A/F sensor - rationality)
P2A00, P2A03 (A/F sensor - slow response)
Accumulated time that all of following conditions are met 30 seconds
Battery voltage 11 V or more
Intake air temperature -10°C (14°F) or more
Idle OFF
Mass air flow rate 10 to 50 g/sec.
Engine RPM Less than 3,200 RPM
Engine coolant temperature sensor 75°C (167°F) or more
Fuel system status Closed loop
A/F sensor Activated
Estimated catalyst temperature Both of following conditions 1 and 2 met
1. Up stream catalyst temperature 530 to 800°C (986 to 1,472°F) or more
2. Down stream catalyst temperature 430 to 670°C (806 to 1,238°F) or more