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Home >> Toyota >> 2009 >> RAV4 Base, 2.5 F, AWD >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Control System (2AR-FE) - Diagnostic Codes (2 Of 4) >> DTC P0171 System Too Lean (Bank 1); DTC P0172 System Too Rich (Bank 1) >> Typical Enabling Conditions
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Typical Enabling Conditions

Fuel-trim: 

TYPICAL ENABLING CONDITIONS CHART

Monitor runs whenever following DTCs not stored P0010 (VVT Oil Control Valve)
P0011 (VVT System - Advance)
P0012 (VVT System - Retard)
P0016 (VVT System - Misalignment)
P0013 (Exhaust VVT Oil Control Valve)
P0014 (Exhaust VVT System - Advance)
P0015 (Exhaust VVT System - Retard)
P0017 (Exhaust VVT System - Misalignment)
P0031, P0032, P101D (Air Fuel Ratio Sensor Heater)
P0102, P0103 (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)
P0335 (Crankshaft Position Sensor)
P0340, P0342, P0343 (Camshaft Position Sensor)
P0365, P0367, P0368 (Exhaust VVT Sensor)
P0351 - P0354 (Igniter)
P0500 (Vehicle Speed Sensor)
Fuel system status Closed loop
Battery voltage 11 V or higher
Either of following conditions met -
1. Engine speed Less than 1100 rpm
2. Intake air amount per revolution 0.173 g/rev or more
Catalyst monitor Not executed