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Home >> Lexus >> 2007 >> RX 400h AWD >> Repair and Diagnosis (Single Page) >> External Pages >> Different car >> Section 296 (Engine Control System) >> 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 2008 Toyota FJ Cruiser. However, it is still accessible from the selected car via links, so may be relevant.
TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs 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 (HO2 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 (HO2 Sensor - Sensor 2)
P0171, P0172, P0174, P0175 (Fuel system)
P0300 - P0306 (Misfire)
P0335 (CKP sensor)
P0340 (CMP sensor)
P0351 - P0356 (Ignitor)
P0500 (VSS)
P2196, P2198 (A/F sensor - rationality)
P2A00, P2A03 (A/F sensor - slow response)
Battery voltage 11 V or more
IAT -10°C(14°F) or more
Engine coolant temperature sensor 75°C(167°F) or more
Atmospheric pressure coefficient 76 kPa (570 mmHg) or more
Idling OFF
Engine RPM Less than 3,200 rpm
A/F sensor status Activated
Fuel system status Closed loop
Engine load 10 to 70%
All of the following conditions are met Condition 1, 2 and 3
1. Mass air flow rate 5 to 70 g/sec
2. Front catalyst temperature (estimated) 650 to 840°C (1,202 to 1,544°F)
3. Rear catalyst temperature (estimated) 100 to 900°C (212 to 1,652°F)
Rear HO2 sensor monitor Completed
Shift position 4th or higher