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Home >> Toyota >> 2006 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (1ZZ-FE) - SFI System (For 4WD) - DTC P0300 Through P2610 >> DTC P0420 Catalyst System Efficiency Below Threshold (Bank 1) >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

The monitor will run whenever the following DTCs are not present P0011, P0012 (VVT system-Advance, Retard), P0031, P0032 (O2 sensor heater sensor 1), P0031, P0032 (A/F sensor heater sensor 1), P0037, P0038 (O2 sensor heater sensor 2), P0100, P0102, P0103 (MAF sensor), P0115, P0117, P0118 (ECT sensor), P0120, P0122, P0123 (TP sensor), P0125 (Insufficient ECT for closed loop), P0130 (O2 sensor 1), P0134 (O2 sensor, A/F sensor (No activity) sensor 1), P0136 (O2 sensor 2), P0171, P0172 (Fuel system), P0300, P0301, P0302, P0303, P0304 (Misfire), P0335 (CKP sensor), P0340, P0341 (CMP sensor), P0351, P0352, P0353, P0354 (Igniter), P0500 (VSS), P2196 (A/F sensor (Rationality))
Accumulated time that following conditions are met: 20 seconds
Battery voltage 11 V or more
IAT -10°C (14°F) or more
Idling OFF
MAF 8.5 to 25 g/sec
Engine RPM Less than 4,000 rpm
ECT 75°C (167°F) or more
Estimated TWC temperature Up stream catalyst: 500° to 900°C (932° to 1,652°F)
Down stream catalyst: 350° to 900°C (662° to 1,652°F)
Fuel system status Closed-loop