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Home >> Toyota >> 2011 >> Highlander Hybrid Limited >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System (1AR-FE) (Diagnostic Codes (P1604 - U0101) & Circuit Tests)) >> SFI System >> DTC P2A00: A/F Sensor Circuit Slow Response (Bank 1 Sensor 1) >> Typical Enabling Conditions

Typical Enabling Conditions

WARNING: This page is about a different variant/trim than selected.
Monitor runs whenever following DTCs not stored P0016 (VVT System - Misalignment)
P0017 (Exhaust VVT System - Misalignment)
P0031, P0032, P101D (Air Fuel Ratio Sensor Heater)
P0102, P0103 (Mass Air Flow Sensor)
P0112, P0113 (Intake Air Temperature 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)
P0128 (Thermostat)
P0171, P0172 (Fuel System)
P0301 - P0304 (Misfire)
P0335 (Crankshaft Position Sensor)
P0340 (Camshaft Position Sensor)
P0451, P0452, P0453 (EVAP System)
P0500 (Vehicle Speed Sensor)
P0505 (IAC Valve)
Active air fuel ratio control Performing
Active air fuel ratio control performed when following conditions met -
Battery voltage 11 V or higher
Engine coolant temperature 75°C (167°F) or higher
Idling OFF
Engine speed 1000 to 4000 RPM
Air fuel ratio sensor status Activated
Fuel-cut OFF
Engine load 10 to 70%
Shift position 2 or more
Catalyst monitor Not yet
Mass air flow 4 to 16 g/sec.