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Home >> Toyota >> 2007 >> Sienna LE, AWD >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTC P0136 - P0505 >> 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

TYPICAL ENABLING CONDITIONS

The monitor will run whenever these DTCs are not present P0011, P0012 (VVT System 1-Advance, Retard), P0021, P0022 (VVT System 2-Adavance, Retard), P0031, P0032, P0051, P0052 (A/F Sensor Heater Sensor 1), P0037, P0038, P0057, P0058 (O2 Sensor heater Sensor 2), P0100, P0101, P0102, P0103 (MAF Sensor), P0115, P0116, P0117, P0118 (ECT Sensor), P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (TP Sensor), P0125 (Insufficient ECT for Closed Loop), P0136, P0156 (O2 Sensor 2), P0171, P0172 (Fuel System), P0300, P0301, P0302, P0303, P0304, P0305, P0306 (Misfire), P0335 (CKP Sensor), P0340 (CMP Sensor), P0351, P0352, P0353, P0354, P0355, 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
ECT 75°C (167°F) or more
Atmospheric pressure 0.75 or more
Idle OFF
Engine RPM Less than 3200 rpm
A/F sensor Activated
Fuel system status Closed loop
Engine load 10 to 70%
All of the following conditions are met Conditions 1, 2 and 3
1. Mass air flow rate 5 to 60 g/sec.
2. Front catalyst temperature (estimated) 600 to 750°C (1112 to 1382°F)
3. Rear catalyst temperature (estimated) 100 to 900°C (212 to 1652°F)
Rear HO2S monitor Completed
Shift position 4th or more