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Home >> Toyota >> 2009 >> RAV4 Base, 2.5 F, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2AR-FE) - Diagnostic Codes (2 Of 4) >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not stored P0010 (VVT Oil Control Valve)
P0011 (VVT System - Advance)
P0012 (VVT System - Retard)
P0016 (VVT System - Misalignment)
P0013 (Exhaust VVT Oil Control Valve)
P0014 (Exhaust VVT System - Advance)
P0015 (Exhaust VVT System - Retard)
P0017 (Exhaust VVT System - Misalignment)
P0031, P0032, P101D (Air Fuel Ratio Sensor Heater)
P0037, P0038, P102D (Rear Oxygen Sensor Heater)
P2195, P2196, P2237, P2238, P2239, P2252, P2253, P2A00 (Air Fuel Ratio Sensor)
P0136, P0137, P0138, P0139, P0607 (Rear Oxygen Sensor)
P0102, P0103 (Mass Air Flow Sensor)
P0115, P0117, P0118 (Engine Coolant Temperature Sensor)
P0125 (Insufficient Coolant Temperature for Closed Loop Fuel Control)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle Position Sensor)
P0171, P0172 (Fuel System)
P0301 - P0304 (Misfire)
P0335 (Crankshaft Position Sensor)
P0340, P0342, P0343 (Camshaft Position Sensor)
P0365, P0367, P0368 (Exhaust VVT Sensor)
P0351 - P0354 (Igniter)
P0500 (Vehicle Speed Sensor)
Battery voltage 11 V or higher
Intake air temperature -10°C (14°F) or higher
Engine coolant temperature 75°C (167°F) or higher
Atmospheric pressure 76 kPa (570 mmHg) or higher
Idling OFF
Engine speed Less than 4000 rpm
Air fuel ratio sensor status Activated
Fuel system status Closed loop
Engine load 10 to 80%
All of the following conditions are met Condition 1, 2 and 3
1. Mass air flow rate 2.5 to 60 g/sec
2. Front catalyst temperature (estimated) 620 to 865°C (1148 to 1589°F)
3. Rear catalyst temperature (estimated) 400 to 770°C (752 to 1418°F)
Rear Heated oxygen sensor monitor Completed
Shift position 4th or higher