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Home >> Toyota >> 2015 >> Prius Three >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0300-P0657)) (Except Plug-In) >> SFI System >> DTC P050A: Cold Start Idle Air Control System Performance [08/2014 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever following DTCs are not stored P0010 (Camshaft timing oil control valve assembly)
P0011 (VVT system - advance)
P0012 (VVT system - retard)
P0016 (VVT system - misalignment)
P0102, P0103 (Mass air flow meter)
P0107, P0108 (Manifold absolute pressure)
P0115, P0117, P0118 (Engine coolant temperature sensor)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor)
P0125 (Insufficient coolant temperature for closed loop fuel control)
P014C, P014D, P015A, P015B, P2195, P2196, P2237, P2238, P2239, P2252, P2253 (Air fuel ratio sensor)
P0171, P0172 (Fuel system)
P0300, P0301, P0302, P0303, P0304 (Misfire)
P0335 (Crankshaft position sensor)
P0340, P0342, P0343 (Camshaft position sensor)
P0351, P0352, P0353, P0354 (Igniter)
P0401 (EGR system (closed))
P219A, P219C, P219D, P219E, P219F (Air fuel ratio imbalance)
Auxiliary battery voltage 8 V or higher
Time after engine start 3 seconds or more
Starter OFF
Engine coolant temperature at engine start -10°C (14°F) or higher
Engine coolant temperature -10°C (14°F) or higher, and less than 50°C (122°F)
Engine idling time 0 seconds or more
Fuel-cut OFF
Vehicle speed Less than 60 km/h (37.5 mph)
Atmospheric pressure 76 kPa(abs) [570 mmHg(abs)] or higher