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Home >> Lexus >> 2009 >> LS 460L AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System - Diagnostic Codes (3 Of 4) >> DTC P050A Cold Start Idle Air Control System Performance; DTC P050B Cold Start Ignition Timing Performance >> Typical Enabling Conditions
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Typical Enabling Conditions

TYPICAL ENABLING CONDITIONS

Monitor runs whenever following DTCs not present P0011, P0021 (VVT System - Advance)
P0012, P0022 (VVT System - Retard)
P0016, P0018 (VVT System - Misalignment)
P0013, P0023 (Exhaust VVT Oil Control Valve)
P0014, P0024 (Exhaust VVT System - Advance)
P0015, P0025 (Exhaust VVT System - Retard)
P0017, P0019 (Exhaust VVT System - Misalignment)
P0010, P0020, P2614, P1023, P1360, P1361, P1362, P1363, P1364,
P1365, P1366, P1367 (Motor Drive VVT System Control Module)
P2195, P2196, P2197, P2198, P2237, P2238, P2239, P2240, P2241, P2242, P2252, P2253, P2255, P2256, P2A00, P2A03 (Air Fuel Ratio Sensor)
P0102, P0103, P010C, P010D, P010F (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, P0174, P0175 (Fuel System)
P0300 - P0308 (Misfire)
P0335 (Crankshaft Position Sensor)
P0340, P1340 (Camshaft Position Sensor)
P0340, P0342, P0343, P0345, P0347, P0348 (VVT Sensor)
P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT Sensor)
P0351 - P0358 (Igniter)
P0500 (Vehicle Speed Sensor)
P0705 (Shift lever position switch)

P050A: 

TYPICAL ENABLING CONDITIONS

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°C to 60°C (14°F to 140°F)
Engine idling time 3 seconds or more
Fuel-cut OFF
Vehicle speed Less than 1.875 mph (3 km/h)
Atmospheric pressure 76 kPa (570 mmHg) or more

P050B: 

TYPICAL ENABLING CONDITIONS

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°C to 60°C (14°F to 140°F)
Engine idling time 3 seconds or more
Vehicle speed Less than 1.875 mph (3 km/h)