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Home >> Toyota >> 2010 >> FJ Cruiser 4WD, Part Time >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (Diagnostic Codes (P0010-P0339) >> SFI System >> DTC P0171: System Too Lean (Bank 1); DTC P0172: System Too Rich (Bank 1); DTC P0174: System Too Lean (Bank 2); DTC P0175: System Too Rich (Bank 2) >> Typical Enabling Conditions
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Typical Enabling Conditions

FUEL-TRIM

Monitor runs whenever following DTCs not present P0010, P0020 (VVT oil control valve)
P0011, P0021 (VVT system - advance)
P0012, P0022 (VVT system - retard)
P0013, P0023 (Exhaust VVT oil control valve)
P0014, P0024 (Exhaust VVT system - advance)
P0015, P0025 (Exhaust VVT system - retard)
P0016, P0018 (VVT system - misalignment)
P0017, P0019 (Exhaust VVT system - misalignment)
P0031, P0032, P0051, P0052, P101D, P103D (Air fuel ratio sensor heater)
P0102, P0103 (Mass air flow meter)
P0115, P0117, P0118 (Engine coolant temperature sensor)
P0120 - P0123, P0220, P0222, P0223, P2135 (Throttle position sensor)
P0125 (Insufficient engine coolant temperature for closed loop fuel control)
P0335 (Crankshaft position sensor)
P0340, P0342, P0343, P0345, P0347, P0348 (VVT sensor)
P0351 - P0356 (Igniter)
P0365, P0367, P0368, P0390, P0392, P0393 (Exhaust VVT sensor)
P0500 (Vehicle speed sensor)
Fuel system status Closed-loop
Battery voltage 11 V or more
Either of following conditions 1 or 2 met -
1. Engine RPM Less than 1100 RPM
2. Engine load 10% or more
Catalyst monitor Not executed
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