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Home >> Lexus >> 2011 >> IS F >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (Diagnostic Codes (P0171-P0607) >> SFI System >> DTC P050B: Cold Start Ignition Timing Performance >> Typical Enabling Conditions
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Typical Enabling Conditions

Monitor runs whenever following DTCs not present P0010, P0020, P2614, P1023, P1360, P1361, P1362, P1363, P1364, P1365, P1366, P1367 (Motor drive VVT system control module bank 1, 2)
P0011, P0021 (VVT system bank 1, 2 - advance)
P0012, P0022 (VVT system bank 1, 2 - retard)
P0013, P0023 (Exhaust oil control valve bank 1, 2)
P0014, P0024 (Exhaust VVT system bank 1, 2 - advance)
P0015, P0025 (Exhaust VVT system bank 1, 2 - retard)
P0016, P0018 (VVT system bank 1, 2 - misalignment)
P0017, P0019 (Exhaust VVT system bank 1, 2 - misalignment)
P0102, P0103 (Mass air flow meter)
P0115, P0117, P0118 (Engine coolant temperature sensor)
P0120, P0121, P0122, P0123, P0220, P0222, P0223, P2135 (Throttle position sensor)
P0125 (Insufficient engine coolant temperature for closed loop)
P014C, P014D, P014E, P014F (Air fuel ratio sensor - slow response)
P015A, P015B, P015C, P015D (Air fuel ratio sensor - delayed response)
P0171, P0172, P0174, P0175 (Fuel system)
P0301, P0302, P0303, P0304, P0305, P0306, P0307, P0308 (Misfire)
P0335 (Crankshaft position sensor)
P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor)
P0351, P0352, P0353, P0354, P0355, P0356, P0357, P0358 (Igniter)
P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor)
P0500 (Vehicle speed sensor)
P0705 (Shift lever position switch)
P1340 (Camshaft position sensor)
P2195, P2196, P2197, P2198 (Air fuel ratio sensor - rationality)
P2237, P2240 (Air fuel ratio sensor - open)
P2238, P2241, P2252, P2255 (Air fuel ratio sensor - low impedance)
P2239, P2242, P2253, P2256 (Air fuel ratio sensor - high impedance)
Battery voltage 8 V or more
Time after engine start 3 seconds or more
Starter OFF
ECT at engine start -10°C (14°F) or more
ECT -10 to 60°C (14 to 140°F)
Engine idling time 3 seconds or more
Fuel-cut OFF
Vehicle speed Less than 1.875 mph (3 km/h)