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Home >> Toyota >> 2015 >> Prius One >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 17 (Engine Control System (Diagnostic Codes (P0300-P0657)) (Except Plug-In)) >> SFI System >> DTC P050B: Cold Start Ignition Timing Performance [08/2014 - ] >> Typical Enabling Conditions
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Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
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)
Fuel-cut OFF
Engine idling time 0 seconds or more
Vehicle speed Less than 60 km/h (37.5 mph)
Atmospheric pressure 76 kPa(abs) [570 mmHg(abs)] or higher