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Home >> Subaru >> 2011 >> Legacy Premium, Automatic CVT >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 10 (Diagnostic Trouble Code (DTC) Detecting Criteria (H4DOTC)) >> Diagnostic Trouble Code (DTC) Detecting Criteria >> DTC P219A Bank 1 Air-Fuel Ratio Imbalance >> Enable Conditions

Enable Conditions

WARNING: This page is about a different variant/trim than selected.
Secondary Parameters Enable Conditions
Battery voltage > 10.9 V
Atmospheric pressure > 75 kPa (563 mmHg, 22.2 inHg)
A/F main learning system In operation
Engine speed > 550 RPM
Engine coolant temperature > 72 °C (161.6 °F)
Intake air temperature < 70 °C (158 °F)
Engine load > Value of Map 1
Engine load change < 0.02 g/rev (0 oz/rev)
Evaporative system leak check Not in operation
Cumulative time of canister purge after engine start ≥ 20 s
Learning value of EVAP conc. < 0.2
Vehicle dynamic control or AT torque control Not in operation
Intake manifold pressure change at 180° CA < Value of Map 2
Throttle position change during 16 milliseconds < 14 °
Fuel shut-off function Not in operation
MAP 1 REFERENCE CHART

Engine speed (RPM) Idling 700 1200 1600 2000 2400 2800 3200 3600 4000
Measured value (g (oz)/rev) na 0.230 (0.01) 0.217 (0.01) 0.213 (0.01) 0.210 (0.01) 0.210 (0.01) 0.220 (0.01) 0.223 (0.01) 0.240 (0.01) 0.252 (0.01)
MAP 2 REFERENCE CHART

RPM 700 1000 1500 2000 2500 3000 3500 4000 4500 5000 5500 6000 6500
kPa (mmHg, inHg) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9) 13.3 (100, 3.9)